Communication using multiple active SIMs in a dual SIM dual standby device

Abstract

Various aspects of the present disclosure relate to communication via a dual subscriber identity module (SIM) dual standby (DSDS) user equipment (UE). In one aspect, a DSDS UE may use frequency resources to establish a first connection with a base station via a first subscription over a communication link, and may use the frequency resources to establish a second connection with the base station via a second subscription over a communication link. The DSDS UE may also use the frequency resources to perform communication with the base station via at least one of the first subscription or the second subscription over the communication link.

Description

Technical Field

[0001] In general, the techniques discussed below relate to wireless communication systems, and more particularly, the techniques discussed below relate to communications between user equipment and a base station using multiple subscriptions. Background Art

[0002] A user equipment (UE) typically uses a subscription to connect to a service network that provides one or more services, such as a voice call service or a data service. For example, a subscription used by the UE may be associated with a subscription module or device (e.g., a subscriber identity module (SIM)) that the UE accesses to use the subscription. As subscription-based services develop, UEs that are capable of utilizing two or more subscriptions are increasingly used. In one example, a UE may implement a dual SIM that allows the UE to connect to a service network using two different subscriptions provided by two SIMs, respectively. Various improvements to UEs configured to use multiple subscriptions are being studied. Summary of the invention

[0003] In order to have a basic understanding of one or more aspects of the present disclosure, a summary of these aspects is given below. This summary is not an exhaustive overview of all expected features of the present disclosure, nor is it intended to identify key or important elements of all aspects of the present disclosure, or to describe the scope of any or all aspects of the present disclosure. Its sole purpose is to present some concepts of one or more aspects of the present disclosure in a simple form as a prelude to the detailed description that follows.

[0004] Various aspects of the present disclosure relate to communicating via a dual subscriber identity module (SIM) dual standby (DSDS) user equipment (UE). In one aspect, when a DSDS UE using multiple subscriptions / SIMs utilizes the same frequency resources, communications using multiple subscriptions can be performed simultaneously. Various methods are described to utilize such a DSDS UE.

[0005] In one example, a wireless communication method of a DSDS UE configured to communicate with at least two subscriptions is disclosed. The method includes: using frequency resources to establish a first connection with a base station through a communication link via a first subscription; using the frequency resources to establish a second connection with the base station through the communication link via a second subscription; and using the frequency resources to perform communication with the base station through the communication link via at least one of the first subscription or the second subscription.

[0006] In one aspect, the first connection and the second connection may be established with a base station using the same RAT. In one aspect, the communication link may be a frequency channel between the DSDS UE and the base station.

[0007] In one aspect, the method may also include: determining that one of the first subscription and the second subscription is a primary subscription based on one or more of the following: determining whether one or more of the first subscription and the second subscription is a primary data subscription, determining which of the first subscription and the second subscription has first entered a connected mode, determining which of the first subscription and the second subscription has entered an idle mode, and determining a type of first data transmitted via the first subscription and a type of second data transmitted via the second subscription.

[0008] In one aspect, the type of data transmitted via the first subscription may indicate a first priority, and the type of data transmitted via the second subscription may indicate a second priority, and one of the first subscription and the second subscription may be determined as the primary subscription based on the first priority associated with the first data and the second priority associated with the second data.

[0009] In one aspect, the method may further include, in response to determining that one of the first subscription and the second subscription has entered an idle mode and the other of the first subscription and the second subscription is in a connected mode, changing the primary subscription to the other of the first subscription and the second subscription.

[0010] In one aspect, the method may further include, in response to determining that the one of the first subscription and the second subscription has entered a connected mode, changing the primary subscription back to the one of the first subscription and the second subscription.

[0011] In one aspect, the method may further include using one of the first subscription and the second subscription to monitor first control information associated with the first subscription based on a first subscription identifier and to monitor second control information associated with the second subscription based on a second subscription identifier.

[0012] In one aspect, in response to determining that the one of the first subscription and the second subscription is a primary subscription, the first control information and the second information may be monitored using the one of the first subscription and the second subscription.

[0013] In one aspect, the first control information and the second control information may be a first DCI and a second DCI, respectively, wherein monitoring the first control information and monitoring the second control information may include monitoring a PDCCH having the first subscription identifier for the first DCI and having the second subscription identifier for the second DCI. In one aspect, the first subscription identifier may be a first C-RNTI and the second subscription identifier may be a second C-RNTI.

[0014] In one aspect, performing the communication may include: if the at least one of the first control information or the second control information includes an uplink scheduling grant, performing uplink communication based on at least one of the first control information or the second control information associated with at least one of the first subscription or the second subscription, respectively; if the at least one of the first control information or the second control information includes a downlink scheduling assignment, receiving downlink communication based on the at least one of the first control information or the second control information associated with the at least one of the first subscription or the second subscription, respectively. In one aspect, the uplink communication may be a PUSCH communication, and the downlink communication may be a PDSCH communication.

[0015] In one aspect, performing communications with the base station includes simultaneously receiving, over the communications link, a first downlink communication via the first subscription and a second downlink communication via the second subscription using the frequency resources.

[0016] In one aspect, communicating with a base station may be performed based on monitoring the first control information and the second control information.

[0017] In one aspect, the method may further include: changing the first connection for the first subscription by switching from a first frequency resource on a first communication link to a second frequency resource on a second communication link for the first connection. In one aspect, the method may further include: using the first subscription, via the first frequency resource, on a first communication link, to monitor first control information associated with the first subscription based on a first subscription identifier. In one aspect, the method may further include: using the second subscription, via the second frequency resource, on a second communication link, to monitor second control information associated with the second subscription based on a second subscription identifier.

[0018] In another example, a DSDSUE configured to communicate with at least two subscriptions for wireless communication is disclosed. The user equipment includes at least one processor, a transceiver communicatively coupled to the at least one processor, and a memory communicatively coupled to the at least one processor. The at least one processor can be configured to: use frequency resources to establish a first connection with a base station through a communication link via a first subscription; use the frequency resources to establish a second connection with the base station through the communication link via a second subscription; and use the frequency resources to perform communication with the base station through the communication link via at least one of the first subscription or the second subscription.

[0019] In another example, a non-transitory processor-readable storage medium having instructions for a DSDS UE thereon is disclosed, the DSDS UE being configured to communicate with at least two subscriptions. When these instructions are executed by a processing circuit, the processing circuit is configured to: use frequency resources to establish a first connection with a base station through a communication link via a first subscription; use the frequency resources to establish a second connection with the base station through the communication link via a second subscription; and use the frequency resources to perform communication with the base station through the communication link via at least one of the first subscription or the second subscription.

[0020] In another example, a DSDS UE configured to communicate with at least two subscriptions for wireless communication is disclosed. The DSDS UE includes: a unit for establishing a first connection with a base station through a communication link via a first subscription using frequency resources; a unit for establishing a second connection with the base station through the communication link using the frequency resources via a second subscription; and a unit for performing communication with the base station through at least one of the first subscription or the second subscription through the communication link using the frequency resources.

[0021] In one example, a wireless communication method of a DSDS UE configured to communicate with at least two subscriptions is disclosed. The method includes: using a first frequency resource for a first subscription and a second subscription, establishing a first connection with a base station via the first subscription, and establishing a second connection with the base station via the second subscription; changing the first connection for the first subscription by switching from the first frequency resource to the second frequency resource for the first connection; in response to changing the first connection for the first subscription, changing the second connection for the second subscription by switching from the first frequency resource to the second frequency resource for the second connection; using the second frequency resource, performing communication via at least one of the first subscription or the second subscription. In one aspect, the first connection and the second connection can be established with the base station using the same RAT.

[0022] In one aspect, the method may also include: determining that one of the first subscription and the second subscription is a primary subscription based on one or more of the following: determining whether one or more of the first subscription and the second subscription is a primary data subscription, determining which of the first subscription and the second subscription has first entered a connected mode, determining which of the first subscription and the second subscription has entered an idle mode, and determining a type of first data transmitted via the first subscription and a type of second data transmitted via the second subscription.

[0023] In one aspect, the type of first data transmitted via the first subscription may indicate a first priority, and the type of first data transmitted via the second subscription may indicate a second priority, and the first subscription may be determined as the primary subscription based on the first priority associated with the first data and the second priority associated with the second data.

[0024] In one aspect, the method may further include, in response to determining that the first subscription has entered an idle mode and the second subscription is in a connected mode, changing the primary subscription to the second subscription.

[0025] In one aspect, the method may further include, in response to determining that the first subscription has entered a connected mode, changing the primary subscription back to the first subscription.

[0026] In one aspect, the method may further include: performing mobility measurements via the first subscription using the first frequency resource,

[0027] In one aspect, the method may further include, after changing the first connection and before changing the second connection, performing a first communication via the first subscription using the second frequency resources and performing a second communication via the second subscription using the first frequency resources.

[0028] In one aspect, the method may further include: after changing the first connection and before changing the second connection, sending an indication to the base station of the second frequency resource as a target frequency resource. In one aspect, the indication may be sent via UE assistance information.

[0029] In one aspect, the first connection for the first subscription may be changed based on the mobility measurement.

[0030] In one aspect, the first frequency resource may be associated with at least one of: a first cell associated with the base station, or a first BWP of the first cell, and the second frequency resource may be associated with at least one of: a second cell associated with a second base station, or a second BWP of the first cell.

[0031] In another example, a DSDSUE configured to communicate with at least two subscriptions for wireless communication is disclosed. The user equipment includes at least one processor, a transceiver communicatively coupled to the at least one processor, and a memory communicatively coupled to the at least one processor. The at least one processor may be configured to: establish a first connection with a base station via a first subscription using a first frequency resource for a first subscription and a second subscription, and establish a second connection with the base station via a second subscription; change the first connection for the first subscription by switching from the first frequency resource to the second frequency resource for the first connection; in response to changing the first connection for the first subscription, change the second connection for the second subscription by switching from the first frequency resource to the second frequency resource for the second connection; and perform communication via at least one of the first subscription or the second subscription using the second frequency resource.

[0032] In another example, a non-transitory processor-readable storage medium having instructions for a DSDS UE thereon is disclosed, the DSDS UE being configured to communicate with at least two subscriptions. When these instructions are executed by a processing circuit, the processing circuit is used to: establish a first connection with a base station via the first subscription using a first frequency resource for a first subscription and a second subscription, and establish a second connection with the base station via the second subscription; change the first connection for the first subscription by switching from the first frequency resource to the second frequency resource for the first connection; in response to changing the first connection for the first subscription, change the second connection for the second subscription by switching from the first frequency resource to the second frequency resource for the second connection; and perform communication via at least one of the first subscription or the second subscription using the second frequency resource.

[0033] In another example, a DSDS UE configured to communicate with at least two subscriptions for wireless communication is disclosed. The DSDS UE includes: a unit for establishing a first connection with a base station via the first subscription using a first frequency resource for a first subscription and a second subscription, and establishing a second connection with the base station via the second subscription; a unit for changing the first connection for the first subscription by switching from the first frequency resource to the second frequency resource for the first connection; a unit for changing the second connection for the second subscription by switching from the first frequency resource to the second frequency resource for the second connection in response to changing the first connection for the first subscription; and a unit for performing communication via at least one of the first subscription or the second subscription using the second frequency resource.

[0034] In one example, a method for wireless communication of a base station is disclosed. The method includes: using frequency resources, establishing a first connection through a communication link via a first subscription of a DSDS user equipment (UE), the DSDS UE being configured to communicate with at least two subscriptions; using the frequency resources, establishing a second connection through the communication link via a second subscription of the DSDS UE; and using the frequency resources, performing communication with the DSDS UE through the communication link via at least one of the first subscription or the second subscription.

[0035] In one aspect, the first connection and the second connection may be established with a base station using the same RAT. In one aspect, the communication link may be a frequency channel between the DSDS UE and the base station.

[0036] In one aspect, the method may further include sending first control information associated with the first subscription and a first subscription identifier and second control information associated with the second subscription and a second subscription identifier using one of the first subscription or the second subscription.

[0037] In one aspect, the first control information and the second control information may be a first DCI and a second DCI, respectively, wherein sending the first control information and the second control information may include sending a PDCCH with the first subscription identifier for the first DCI and with the second subscription identifier for the second DCI. In one aspect, the first subscription identifier may be a first C-RNTI, and the second subscription identifier may be a second C-RNTI.

[0038] In one aspect, the method may further include changing the first connection for the first subscription by switching, for the first connection, from first frequency resources on a first communication link to second frequency resources on a second communication link.

[0039] In one aspect, the method may further include sending, using the first subscription, first control information associated with the first subscription based on a first subscription identifier over a first communication link via the first frequency resource.

[0040] In one aspect, second control information associated with the second subscription may be sent based on a second subscription identifier over a second communication link via the second frequency resources.

[0041] In one aspect, communication with the DSDSUE may be performed based on the first control information and the second control information.

[0042] In one aspect, performing the communication may include receiving uplink communication based on at least one of the first control information or the second control information associated with at least one of the first subscription or the second subscription, respectively, if the at least one of the first control information or the second control information includes an uplink scheduling grant; performing downlink communication based on the at least one of the first control information or the second control information associated with the at least one of the first subscription or the second subscription, respectively, if the at least one of the first control information or the second control information includes a downlink scheduling assignment. In one aspect, the uplink communication may be a PUSCH communication, and the downlink communication may be a PDSCH communication.

[0043] In another example, a base station for wireless communication is disclosed. The user equipment includes at least one processor, a transceiver communicatively coupled to the at least one processor, and a memory communicatively coupled to the at least one processor. The at least one processor can be configured to: establish a first connection through a communication link using frequency resources via a first subscription of a DSDS user equipment (UE), the DSDS UE being configured to communicate with at least two subscriptions; establish a second connection through the communication link using the frequency resources via a second subscription of the DSDS UE; and perform communication with the DSDS UE through the communication link using the frequency resources via at least one of the first subscription or the second subscription.

[0044] In another example, a non-transitory processor-readable storage medium having instructions for a base station thereon is disclosed. When these instructions are executed by a processing circuit, the processing circuit is used to: establish a first connection through a communication link using frequency resources via a first subscription of a DSDS user equipment (UE), the DSDS UE being configured to communicate with at least two subscriptions; establish a second connection through the communication link using the frequency resources via a second subscription of the DSDS UE; and perform communication with the DSDS UE through the communication link using the frequency resources via at least one of the first subscription or the second subscription.

[0045] In another example, a base station for wireless communication is disclosed. The base station includes: a unit for establishing a first connection through a communication link using frequency resources via a first subscription of a DSDS user equipment (UE), the DSDS UE being configured to communicate with at least two subscriptions; a unit for establishing a second connection through the communication link using the frequency resources via a second subscription of the DSDS UE; and a unit for performing communication with the DSDS UE through the communication link using the frequency resources via at least one of the first subscription or the second subscription.

[0046] In one example, a method for wireless communication of a base station is disclosed. The method includes: using a first frequency resource for a first subscription and a second subscription, establishing a first connection via the first subscription of a DSDS user equipment (UE), and establishing a second connection via the second subscription of the DSDS UE, the DSDS UE being configured to communicate with at least two subscriptions; changing the first connection for the first subscription by switching from the first frequency resource to a second frequency resource for the first connection; in response to changing the first connection for the first subscription, changing the second connection for the second subscription by switching from the first frequency resource to the second frequency resource for the second connection; and communicating via at least one of the first subscription or the second subscription using the second frequency resource. In one aspect, the first connection and the second connection can be established with the base station using the same RAT.

[0047] In one aspect, the method may further include sending one or more reference signals for mobility measurement to the DSDS UE via the first subscription using the first frequency resources.

[0048] In one aspect, changing the first connection for the first subscription is based on the mobility measurement.

[0049] In one aspect, the method may further include, after changing the first connection and before changing the second connection, performing a first communication via the first subscription using the second frequency resources and performing a second communication via the second subscription using the first frequency resources.

[0050] In one aspect, the method may further include: after changing the first connection and before changing the second connection, receiving an indication of the second frequency resource as a target frequency resource.

[0051] In one aspect, changing the second connection may be based on the indication.

[0052] In another example, a base station for wireless communication is disclosed. The user equipment includes at least one processor, a transceiver communicatively coupled to the at least one processor, and a memory communicatively coupled to the at least one processor. The at least one processor can be configured to: establish a first connection via the first subscription of a DSDS user equipment (UE) using a first frequency resource for a first subscription and a second subscription, and establish a second connection via the second subscription of the DSDS UE, the DSDS UE being configured to communicate with at least two subscriptions; change the first connection for the first subscription by switching from the first frequency resource to the second frequency resource for the first connection; in response to changing the first connection for the first subscription, change the second connection for the second subscription by switching from the first frequency resource to the second frequency resource for the second connection; and perform communication via at least one of the first subscription or the second subscription using the second frequency resource.

[0053] In another example, a non-transitory processor-readable storage medium having instructions for a base station thereon is disclosed. When these instructions are executed by a processing circuit, the processing circuit is used to: establish a first connection via a DSDS user equipment (UE) using a first frequency resource for a first subscription and a second subscription, and establish a second connection via the second subscription of the DSDS UE, the DSDS UE being configured to communicate with at least two subscriptions; change the first connection for the first subscription by switching from the first frequency resource to the second frequency resource for the first connection; in response to changing the first connection for the first subscription, change the second connection for the second subscription by switching from the first frequency resource to the second frequency resource for the second connection; and perform communication via at least one of the first subscription or the second subscription using the second frequency resource.

[0054] In another example, a base station for wireless communication is disclosed. The base station includes: a unit for establishing a first connection via the first subscription of a DSDS user equipment (UE) using a first frequency resource for a first subscription and a second subscription, and establishing a second connection via the second subscription of the DSDS UE, the DSDS UE being configured to communicate with at least two subscriptions; a unit for changing the first connection for the first subscription by switching from the first frequency resource to the second frequency resource for the first connection; a unit for changing the second connection for the second subscription by switching from the first frequency resource to the second frequency resource for the second connection in response to changing the first connection for the first subscription; and a unit for performing communication via at least one of the first subscription or the second subscription using the second frequency resource.

[0055] After reading the following specific embodiments, these and other aspects of the present invention will become more fully understood. After reading the following specific, exemplary embodiment description in conjunction with the accompanying drawings, other aspects, features and embodiments will become apparent to those of ordinary skill in the art. Although features are discussed relative to certain embodiments and the accompanying drawings below, all embodiments may include one or more of the advantageous features discussed herein. In other words, although one or more embodiments are discussed as having certain advantageous features, one or more of these features may also be used according to the various embodiments discussed herein. In a similar manner, although exemplary embodiments are discussed below as device, system or method embodiments, it should be understood that these exemplary embodiments may be implemented with a variety of devices, systems and methods. BRIEF DESCRIPTION OF THE DRAWINGS

[0056] Figure 1 is a schematic diagram of a wireless communication system according to some aspects.

[0057] Figure 2 is a conceptual diagram of an example radio access network in some aspects.

[0058] Figure 3 is a block diagram illustrating a wireless communication system supporting Multiple-Input Multiple-Output (MIMO) communication.

[0059] Figure 4A is an example diagram showing communication between a DSDA UE and a base station.

[0060] Figure 4B is an example diagram showing a timeline of various communications conducted by two different SIMs of a DSDA UE.

[0061] Figure 5Ais an example diagram showing communication between a DSDS UE and a base station.

[0062] Figure 5B is an example diagram showing a timeline of various communications conducted by two different SIMs of a DSDS UE.

[0063] Fig. 6A is an example diagram illustrating a single stack case with two subscriptions having at least one protocol stack with the same RAT.

[0064] Figure 6B is an example diagram illustrating a dual stack scenario with two subscriptions of at least one protocol stack with the same RAT.

[0065] Figure 7 is an example diagram illustrating a connection between a UE and a base station via a single communication link using multiple subscriptions according to one aspect of the present disclosure.

[0066] Fig. 8A is an example diagram illustrating a UE connected to a first base station via two subscriptions according to some aspects of the present disclosure.

[0067] Figure 8B is an example diagram illustrating a UE connected to a second base station via two subscriptions according to some aspects of the present disclosure.

[0068] Figure 8C is an example diagram illustrating a UE connected to a second base station via two subscriptions according to some aspects of the present disclosure.

[0069] Fig. 9 is an example diagram illustrating different subscription switching frequency resources according to some aspects of the present disclosure.

[0070] Fig.10 is a block diagram conceptually illustrating an example of a hardware implementation for a user device according to some aspects of the present disclosure.

[0071] Fig.11 is a flow chart illustrating an example process for wireless communications of a user device according to some aspects of the present disclosure.

[0072] Figures 12A-12B is a flow chart illustrating an example process for wireless communications of a user device according to some aspects of the present disclosure.

[0073] Fig.13 is a flow chart illustrating an example process for wireless communications of a user device according to some aspects of the present disclosure.

[0074] Figures 14A-14Bis a flow chart illustrating an example process for wireless communications of a user device according to some aspects of the present disclosure.

[0075] Fig.15 is a block diagram conceptually illustrating an example of a hardware implementation for a base station according to some aspects of the present disclosure.

[0076] Fig.16 is a flow chart illustrating an example process for wireless communications for a base station according to some aspects of the present disclosure.

[0077] Fig.17 is a flow chart illustrating an example process for wireless communications for a base station according to some aspects of the present disclosure.

[0078] Fig.18 is a flow chart illustrating an example process for wireless communications for a base station according to some aspects of the present disclosure.

[0079] Fig.19 is a flow chart illustrating an example process for wireless communications for a base station according to some aspects of the present disclosure. DETAILED DESCRIPTION

[0080] The specific embodiments described below in conjunction with the accompanying drawings are merely descriptions of various configurations and are not intended to represent that the concepts described herein can only be implemented in these configurations. In order to have a thorough understanding of the various concepts, the specific embodiments include specific details. However, it is obvious to those of ordinary skill in the art that these concepts can be implemented without using these specific details. In some instances, in order to avoid obscuring these concepts, known structures and components are given in block diagram form.

[0081] A user equipment (UE) containing multiple subscriber identity modules (SIMs) with dual SIM dual standby (DSDS) capability can operate multiple SIMs simultaneously in idle mode to receive idle messages, but cannot operate multiple SIMs simultaneously in connected mode to communicate using multiple SIMs simultaneously. On the other hand, a UE containing multiple SIMs with dual SIM dual active (DSDA) capability can operate multiple SIMs simultaneously in idle mode and connected mode. Since DSDS devices are generally less expensive than DSDA devices and are widely used, there is great interest in improving the operation of DSDS devices.

[0082] According to some aspects of the present disclosure, when two subscriptions used by a DSDS device are both in connected mode, the two subscriptions can reside on the same cell and / or utilize the same bandwidth portion and establish a connection with the same base station using the same radio access technology (RAT). This can allow the DSDS device to use the same frequency resources using the two subscriptions to simultaneously perform transmission and reception and / or communicate in TDD mode. Different methods are introduced to utilize such a DSDS device. According to one method, a DSDS UE can use a first subscription and a second subscription to connect to the same cell / base station using the same frequency through the same communication link. According to a second method, in a DSDS UE, a primary subscription can perform mobility-related activities, and other subscriptions can follow the results of the mobility-related activities performed by the primary subscription.

[0083] Although various aspects and embodiments are described in this application by describing some examples, it should be understood by those of ordinary skill in the art that additional implementations and use cases can be implemented in many different arrangements and scenarios. The innovations described herein can be implemented across multiple different platform types, devices, systems, shapes, sizes, and packaging arrangements. For example, each embodiment and / or use can be implemented by an integrated chip embodiment and other devices based on non-module components (e.g., end-user devices, vehicles, communication devices, computing devices, industrial equipment, retail / purchase equipment, medical equipment, AI-enabled devices, etc.). Although some examples may be specifically targeted at use cases or applications, they may not be specifically targeted at use cases or applications, but various applicability of the described innovations may occur. The scope of implementation can be from chip-level or modular components to non-modular, non-chip-level implementations, and can also be aggregated, distributed, or OEM devices or systems that include one or more aspects of the described innovations. In some actual settings, the device including the described aspects and features may also include other components and features for implementing and practicing the claimed and described embodiments. For example, the transmission and reception of wireless signals must include multiple components for analog and digital purposes (e.g., hardware components including antennas, RF chains, power amplifiers, modulators, buffers, processors, interleavers, adders / accumulators, etc.). The innovations described herein can be practiced in a wide variety of devices, chip-level components, systems, distributed arrangements, end-user devices, etc., having different sizes, shapes, and configurations.

[0084] The various concepts presented throughout this disclosure may be implemented in a wide variety of telecommunication systems, network architectures, and communication standards. Figure 1, various aspects of the present disclosure are described with reference to a wireless communication system 100, by way of example and not limitation. The wireless communication system 100 includes three interacting domains: a core network 102, a radio access network (RAN) 104, and a user equipment (UE) 106. By virtue of the wireless communication system 100, the UE 106 may be enabled to perform data communications with an external data network 110, such as (but not limited to) the Internet.

[0085] The RAN 104 may implement any suitable wireless communication technology or method to provide radio access for the UE 106. As an example, the RAN 104 may operate according to the 3rd Generation Partnership Project (3GPP) New Radio (NR) specification, which is commonly referred to as 5G. As another example, the RAN 104 may operate according to a hybrid of 5G NR and Evolved Universal Terrestrial Radio Access Network (eUTRAN) standards, which are commonly referred to as LTE. 3GPP refers to such a hybrid RAN as the Next Generation RAN or NG-RAN. Of course, many other examples may be used within the scope of the present disclosure.

[0086] As shown, the RAN 104 includes a plurality of base stations 108. In a broad sense, a base station is a network element in a radio access network that is responsible for radio transmission and reception to or from a UE in one or more cells. In different technologies, standards, or contexts, a base station may be referred to differently by those of ordinary skill in the art as a base transceiver station (BTS), a wireless base station, a wireless transceiver, a transceiver function, a basic service set (BSS), an extended service set (ESS), an access point (AP), a Node B (NB), an evolved Node B (eNB), a gNode B (gNB), or some other appropriate terminology.

[0087] The radio access network 104 is further shown as supporting wireless communications for multiple mobile devices. In the 3GPP standard, a mobile device may be referred to as a user equipment (UE), but one of ordinary skill in the art may also refer to it as a mobile station (MS), a user station, a mobile unit, a user unit, a wireless unit, a remote unit, a mobile device, a wireless device, a wireless communication device, a remote device, a mobile user station, an access terminal (AT), a mobile terminal, a wireless terminal, a remote terminal, a handheld device, a terminal, a user agent, a mobile client, a client, or some other appropriate term. A UE may be a device (e.g., a mobile device) that provides access to network services to a user.

[0088] In this document, a "mobile" device does not necessarily have the ability to move, it can be stationary. The term mobile device or mobile device refers broadly to a wide variety of devices and technologies. A UE may include many hardware structural components whose size, shape, and arrangement facilitate communication; such components may include antennas, antenna arrays, RF chains, amplifiers, one or more processors, etc. that are electrically coupled to each other. For example, some non-limiting examples of mobile devices include mobile stations, cellular (cell) phones, smart phones, session initiation protocol (SIP) phones, laptops, personal computers (PCs), notebooks, netbooks, smart books, tablet devices, personal digital assistants (PDAs), and a wide range of embedded systems, for example, corresponding to the "Internet of Things" (IoT). In addition, a mobile device may be a consumer device such as a car or other transportation vehicle, a remote sensor or actuator, a robot or robotic device, a satellite radio device, a global positioning system (GPS) device, an object tracking device, a quadcopter, a multi-purpose helicopter, a quadcopter, a remote control device, such as glasses, wearable cameras, virtual reality devices, smart watches, health or fitness trackers, digital audio players (e.g., MP3 players), cameras, game consoles, etc. and / or wearable devices. In addition, the mobile device may also be a digital home or smart home device such as home audio, video and / or multimedia equipment, home appliances, vending machines, smart lighting, home security systems, smart meters, and the like. In addition, the mobile device may also be a smart energy device, a security device, a solar panel or solar array, municipal infrastructure equipment that controls electricity (e.g., smart grid), lighting, water, etc.; industrial automation and enterprise equipment; logistics controllers; agricultural equipment; military defense equipment, vehicles, aircraft, ships, weapons, and the like. In addition, the mobile device may provide connected medicine or telemedicine support (e.g., telehealth care). Telemedicine devices may include telemedicine monitoring devices and telemedicine management devices, whose communications may be prioritized or prioritized relative to other types of information, for example, priority access to the transmission of critical service data, and / or associated QoS for the transmission of critical service data.

[0089] The wireless communication between the RAN 104 and the UE 106 may be described as using an air interface. Transmissions from a base station (e.g., base station 108) to one or more UEs (e.g., UE 106) over the air interface may be referred to as downlink (DL) transmissions. According to certain aspects of the present disclosure, the term downlink may refer to point-to-multipoint transmissions originating from a scheduling entity (described further below; e.g., base station 108). Another way to describe this scheme may be to use the term broadcast channel multiplexing. Transmissions from a UE (e.g., UE 106) to a base station (e.g., base station 108) may be referred to as uplink (UL) transmissions. According to further aspects of the present disclosure, the term uplink may refer to point-to-point transmissions originating from a scheduled entity (described further below; e.g., UE 106).

[0090] In some examples, access to the air interface may be scheduled, wherein a scheduling entity (e.g., a base station 108) allocates resources for communications between some or all devices and equipment within its service area or cell. In the present disclosure, as discussed further below, a scheduling entity may be responsible for scheduling, allocating, reconfiguring, and releasing resources for one or more scheduled entities. That is, for scheduled communications, a UE 106 (which may be a scheduled entity) may utilize resources allocated by the scheduling entity 108.

[0091] Base station 108 is not the only entity that can function as a scheduling entity. That is, in some examples, a UE can function as a scheduling entity, scheduling resources for one or more scheduled entities (eg, one or more other UEs).

[0092] like Figure 1 As shown in , the scheduling entity 108 can broadcast downlink traffic 112 to one or more scheduled entities 106. In a broad sense, the scheduling entity 108 is a node or device responsible for scheduling traffic in the wireless communication network, which includes downlink traffic 112 and, in some examples, uplink traffic 116 from one or more scheduled entities 106 to the scheduling entity 108. On the other hand, the scheduling entity 106 is a node or device that receives downlink control information 114, which includes, but is not limited to, scheduling information (e.g., grants), synchronization or timing information, or other control information from another entity in the wireless communication network (e.g., the scheduling entity 108).

[0093] Typically, the base stations 108 may include a backhaul interface for communicating with a backhaul portion 120 of the wireless communication system. The backhaul 120 may provide a link between the base stations 108 and the core network 102. Additionally, in some examples, the backhaul network may provide interconnections between the various base stations 108. Various types of backhaul interfaces may be employed, such as a direct physical connection using any appropriate transport network, a virtual network, etc.

[0094] The core network 102 may be part of the wireless communication system 100 and may be independent of the radio access technology used in the RAN 104. In some examples, the core network 102 may be configured according to 5G standards (e.g., 5GC). In other examples, the core network 102 may be configured according to 4G Evolved Packet Core (EPC) or any other suitable standard or configuration.

[0095] Figure 2 Also included is a quadcopter or drone 220 configured to act as a base station. That is, in some examples, the cell may not necessarily be stationary, and the geographic area of ​​the cell may move depending on the location of a mobile base station such as a quadcopter 220.

[0096] Within the RAN 200, cells may include UEs that may communicate with one or more sectors of each cell. In addition, each base station 210, 212, 214, 218, and 220 may be configured to provide access to the core network 102 (see FIG. 1 ) for all UEs in the respective cells. Figure 1 ) access point. For example, UEs 222 and 224 may communicate with base station 210; UEs 226 and 228 may communicate with base station 212; UEs 230 and 232 may communicate with base station 214 via RRH 216; UE 234 may communicate with base station 218; and UE 236 may communicate with base station 220. In some examples, UEs 222, 224, 226, 228, 230, 232, 234, 236, 238, 240, and / or 242 may communicate with the base stations described above and in Figure 1 The UE / scheduled entity 106 shown in FIG. 1 is the same as that shown in FIG.

[0097] In some examples, a mobile network node (eg, quadcopter 220 ) may be configured to function as a UE. For example, quadcopter 220 may operate within cell 202 by communicating with base station 210 .

[0098] In another aspect of RAN 200, sidelink signals can be used between UEs without having to rely on scheduling or control information from a base station. For example, two or more UEs (e.g., UE 226 and 228) can use peer-to-peer (P2P) or sidelink signals 227 to communicate with each other without relaying the communication through a base station (e.g., base station 212). In another example, UE 238 is shown as communicating with UE 240 and 242. Here, UE 238 can be used as a scheduling entity or a primary sidelink device, and UE 240 or 242 can be used as a scheduled entity or a non-primary sidelink device. In another example, a UE can act as a scheduling entity in a device-to-device (D2D), peer-to-peer (P2P) or vehicle-to-vehicle (V2V) network and / or a mesh network. In the mesh network example, in addition to communicating with the scheduling entity 238, UE 240 and UE 242 can also optionally communicate directly with each other. Thus, in a wireless communication system with scheduled access to time-frequency resources and having a cellular configuration, a P2P configuration, or a mesh configuration, a scheduling entity and one or more scheduled entities may communicate using the scheduled resources.

[0099] In the radio access network 200, the ability of a UE to communicate while moving (independent of its location) is called mobility. Various physical channels between the UE and the radio access network are usually established, maintained, and released under the control of an access and mobility management function (AMF), where the AMF may include a security context management function (SCMF) for managing security contexts for control plane and user plane functions and a security anchor function (SEAF) for performing authentication.

[0100] In various aspects of the present disclosure, the radio access network 200 can utilize DL-based mobility or UL-based mobility to implement mobility and handover (i.e., the transfer of a UE's connection from one radio channel to another). In a network configured for DL-based mobility, during a call with a scheduling entity, or at any other time, the UE can monitor various parameters of the signal from its serving cell and various parameters of neighboring cells. Based on the quality of these parameters, the UE can maintain communication with one or more neighboring cells. During this time, if the UE moves from one cell to another, or if the signal quality from a neighboring cell exceeds the signal quality from the serving cell for a given amount of time, the UE can perform a handover or handover from the serving cell to the neighboring (target) cell. For example, a UE 224 (shown as a vehicle, although any suitable form of UE can be used) can move from a geographic area corresponding to its serving cell 202 to an area corresponding to a neighboring cell 206. When the signal strength or quality from a neighboring cell 206 exceeds the signal strength and quality of its serving cell 202 for a given amount of time, the UE 224 can send a report message indicating this to its serving base station 210. In response, UE 224 may receive a handover command, and the UE may undergo a handover to cell 206 .

[0101] In a network configured for UL-based mobility, the network can select a serving cell for each UE using a UL reference signal from each UE. In some examples, base stations 210, 212, and 214 / 216 can broadcast a unified synchronization signal (e.g., a unified primary synchronization signal (PSS), a unified secondary synchronization signal (SSS), and a unified physical broadcast channel (PBCH)). UEs 222, 224, 226, 228, 230, and 232 can receive the unified synchronization signal, derive carrier frequency and time slot timing based on the synchronization signal, and send an uplink pilot or reference signal in response to the derived timing. The uplink pilot signal sent by a UE (e.g., UE 224) can be received simultaneously by two or more cells (e.g., base stations 210 and 214 / 216) within the radio access network 200. Each cell may measure the strength of the pilot signal, and the radio access network (e.g., one or more of the base stations 210 and 214 / 216 and / or a central node within the core network) may determine a serving cell for the UE 224. As the UE 224 moves through the radio access network 200, the network may continue to monitor the uplink pilot signals sent by the UE 224. When the signal strength or quality of the pilot signal measured by the neighboring cell exceeds the signal strength and quality measured by the serving cell, the network 200 may handover the UE 224 from the serving cell to the neighboring cell with or without notifying the UE 224.

[0102] Although the synchronization signals transmitted by base stations 210, 212 and 214 / 216 may be uniform, these synchronization signals may not identify a specific cell, but may identify a region of multiple cells operating at the same frequency and / or with the same timing. The use of regions in a 5G network or other next generation communication network implements an uplink-based mobility framework and improves the efficiency of the UE and the network because the number of mobility messages that need to be exchanged between the UE and the network can be reduced.

[0103] The air interface in the radio access network 200 can utilize one or more duplex algorithms. Duplex refers to a point-to-point communication link, in which two endpoints can communicate with each other in two directions. Full-duplex means that two endpoints can communicate with each other simultaneously. Half-duplex means that only one endpoint can send information to the other endpoint at a time. In a wireless link, a full-duplex channel usually relies on the physical isolation of the transmitter and the receiver and appropriate interference elimination techniques. Full-duplex simulation is often implemented for a wireless link by utilizing frequency division duplex (FDD) or space division duplex (SDD). In FDD, transmissions in different directions operate at different carrier frequencies. In TDD, transmissions in different directions on a given channel are separated from each other using time division multiplexing. That is, at certain times, the channel is dedicated to transmissions in one direction, and at other times, the channel is dedicated to transmissions in another direction, wherein the direction can change very quickly (e.g., several times per time slot).

[0104] In some aspects of the present disclosure, the scheduling entity and / or the scheduled entity may be configured for beamforming and / or multiple-input multiple-output (MIMO) techniques. Figure 3 An example of a wireless communication system 300 supporting MIMO is shown. In a MIMO system, a transmitter 302 includes multiple transmit antennas 304 (e.g., N transmit antennas) and a receiver 306 includes multiple receive antennas 308 (e.g., M receive antennas). Therefore, there are N×M signal paths 310 from the transmit antennas 304 to the receive antennas 308. Each of the transmitter 302 and the receiver 306 can be implemented, for example, within the scheduling entity 108, the scheduled entity 106, or any other suitable wireless communication device.

[0105] The use of this multi-antenna technology enables wireless communication systems to exploit the spatial domain to support spatial multiplexing, beamforming, and transmit diversity. Spatial multiplexing can be used to send different data streams (also called layers) simultaneously on the same time-frequency resources. Data streams can be sent to a single UE to increase the data rate, or to multiple UEs to increase the overall system capacity, the latter of which is called multi-user MIMO (MU-MIMO). This is achieved by spatially precoding each data stream (i.e., multiplying the data stream with different weights and phase shifts) and then transmitting each spatially precoded stream through multiple transmit antennas on the downlink. The spatially precoded data streams arrive at the UE with different spatial signatures, which enables each UE to recover one or more data streams destined for the UE. On the uplink, each UE sends a spatially precoded data stream, which enables the base station to identify the source of each spatially precoded data stream.

[0106] The number of data streams or layers corresponds to the rank of the transmission. Typically, the rank of the MIMO system 300 is limited by the number of transmit antennas 304 or receive antennas 308, whichever is lower. In addition, the channel conditions at the UE and other considerations (e.g., available resources at the base station) may also affect the transmission rank. For example, the rank (and therefore the number of data streams) assigned to a particular UE on the downlink can be determined based on a rank indicator (RI) sent from the UE to the base station. The RI can be determined based on the antenna configuration (e.g., the number of transmit and receive antennas) and the signal to interference plus noise ratio (SINR) measured on each receive antenna. For example, the RI can indicate the number of layers that can be supported under current channel conditions. The base station can use the RI as well as resource information (e.g., available resources and the amount of data to be scheduled for the UE) to assign a transmission rank to the UE.

[0107] In a time division duplex (TDD) system, UL and DL are reciprocal because they each use different time slots of the same frequency bandwidth. Therefore, in a TDD system, the base station can assign a rank for DL ​​MIMO transmission based on UL SINR measurements (e.g., based on a sounding reference signal (SRS) or other pilot signal sent from the UE). Based on the assigned rank, the base station can then send a CSI-RS with a separate C-RS sequence for each layer to provide multi-layer channel estimation. Based on the CSI-RS, the UE can measure the channel quality across layers and resource blocks, and feed back the CQI and RI values ​​to the base station for updating the rank and allocating REs for future downlink transmissions.

[0108] In the simplest case, Figure 3As shown in , rank 2 spatial multiplexing transmission on a 2x2 MIMO antenna configuration, one data stream is transmitted from each transmit antenna 304. Each data stream follows a different signal path 310 to each receive antenna 308. The receiver 306 can then reconstruct the data stream using the signal received from each receive antenna 308.

[0109] The UE may communicate with the service network using subscriptions to services (e.g., data services, voice services) provided by the service network. The UE may implement a subscription module such as a subscriber identity module (SIM) to connect to the service network. The UE may be configured to communicate using two or more subscriptions. For example, a UE implementing multiple SIMs associated with multiple subscriptions, respectively, may communicate using multiple subscriptions via the multiple SIMs. The UE may establish a communication link using multiple subscriptions to perform communication using multiple subscriptions. A communication link may be established with a common base station or different base stations.

[0110] In one example, for a UE with two SIMs having Dual SIM Dual Active (DSDA) capability, both SIMs may remain connected to the network simultaneously (eg, in active mode), and thus may be used to perform communications simultaneously. Figure 4A 4 is an example diagram 400 showing communications between a DSDA UE and a base station. Figure 4A In the embodiment, a DSDA UE 402 with DSDA capability may include a first SIM 404 and a second SIM 406, which may be in an idle mode or in an active mode at the same time. Figure 4A , the first SIM 404 is used to connect to the first base station 412, and the second SIM 406 is used to connect to the second base station 414. Because the DSDA UE 402 has DSDA capability, the DSDA UE 402 can use the first SIM 404 to receive communications 422 and / or send communications 424 with the first base station 412, and can use the second SIM 406 to receive communications 426 and / or send communications 428 with the second base station 414 at the same time.

[0111] Figure 4B4 is an example diagram 430 showing a timeline of various communications of two different SIMs of a DSDA UE. In the first diagram 440, a first SIM (e.g., first SIM 404) and a second SIM (e.g., second SIM 406) are in idle mode and are not performing transmissions. As shown in the first diagram 440, the first SIM and the second SIM may be used to receive short idle mode messages (e.g., paging messages). In the second diagram 450, the first SIM is in active mode and therefore sends and / or receives communications for a certain duration, while the second SIM in idle mode receives short idle mode messages. In the third diagram 460, the first SIM is in active mode and therefore sends and / or receives graphs for a certain duration. In addition, in the third diagram 460, the second SIM is also simultaneously sending and / or receiving graphs for a certain duration, which duration may overlap with at least a portion of the duration during which the first SIM receives data.

[0112] In another example, for a UE with two SIMs with dual SIM dual standby (DSDS) capability, the two SIMs may be in idle mode at the same time to receive idle messages, but may not be in connected mode at the same time. Therefore, for a DSDS UE, when one SIM is used to actively perform communication, the other SIM may be placed in standby (e.g., idle mode). DSDS devices are generally less expensive than DSDA devices because DSDS devices generally include fewer hardware components than DSDA devices. For example, DSDA devices generally have more antennas and other related RF components than DSDS devices. DSDS device operations may vary depending on the type of communication. For example, if one SIM is used to perform data communications such as data calls and Internet communications, the other SIM may be tuned to idle mode. For example, if one SIM is used to perform voice communications that may have low delay tolerance, the other SIM may not perform any communications or may completely suspend idle mode. There are currently at least two types of DSDS devices available. A single receive (SR) DSDS device can receive communications via only one SIM at a time (e.g., via a single receive antenna). A dual receive (DR) DSDS device can receive communications via two SIMs (e.g., via two receive antennas) simultaneously. However, whether the DSDS device is an SR DSDS device or a DR DSDS device, the DSDS device can only send communications via one SIM at a time (e.g., via a single transmit antenna).

[0113] Figure 5A 5 is an example diagram 500 showing communication between a DSDS UE and a base station. Figure 5AIn the embodiment, a DSDS UE 502 with DSDA capability may include a first SIM 504 and a second SIM 506, which may be in an idle mode at the same time but not in an active mode at the same time. Figure 5A , the first SIM 504 is used to connect to the first base station 512, and the second SIM 506 is used to connect to the second base station 514. As described above, the DSDS UE 502 can use the first SIM 504 and the second SIM 506 simultaneously in idle mode, during which the first SIM 504 and the second SIM 506 can be used to receive idle mode messages (e.g., paging messages). However, the DSDS UE 502 may not be able to send communications via the first SIM 504 and send communications via the second SIM 506 at the same time. If the DSDS UE 502 is a DR DSDS device, the DSDS UE 504 can use the first SIM 504 to receive communications 522 with the first base station 512, and can use the second SIM 506 to receive data communications 526 with the second base station 514 at the same time. However, if the DSDS UE 502 is an SR DSDS device, the DSDS UE 602 can use only one of the first SIM 504 and the second SIM 506 to receive communications at a time.

[0114] Figure 5B530 is an example diagram showing a timeline of various communications performed by two different SIMs of a DSDS UE. A first diagram 540 and a second diagram 550 show the communication of two different SIMs of an SR DSDS UE. In the first diagram 540, a first SIM (e.g., a first SIM 504) and a second SIM (e.g., a second SIM 506) are in idle mode and no transmission is performed. As shown in the first diagram 540, the first SIM and the second SIM can be used to receive short idle mode messages (e.g., paging messages). In the second diagram 550, the first SIM is in active mode and therefore sends and / or receives data for a certain duration. Because the second diagram 550 shows the communication of a DSDS device, when the second SIM in idle mode receives a short idle mode message, the first SIM tunes away to allow the second SIM to send an idle mode message. The third diagram 560 and the fourth diagram 570 show the communication of two different SIMs of a DRDSDS UE. In the third diagram 560, because the DR DSDS UE allows two different SIMs to receive simultaneously, the first SIM can send and / or receive data communications without interruption while the second SIM in idle mode receives idle mode messages. In the fourth diagram 570, the first SIM is used to perform data communications while the second SIM is used to perform voice communications. Because voice communications are high priority communications, the first SIM can be completely tuned away for the duration of performing voice communications using the second SIM.

[0115] As described above, although DSDA devices may provide certain advantages by allowing multiple SIMs to communicate simultaneously, DSDA devices may require more RF components than DSDA devices and may therefore be more expensive than DSDA devices. In addition, many users currently use DSDS devices. Due to the widespread use of DSDS devices and the fact that they are generally less expensive than DSDA devices, DSDS devices remain popular. Therefore, there is interest in improving the communication of DSDS devices.

[0116] In some aspects of the present disclosure, a DSDS device may be used to perform communications in a manner that a DSDA device performs. In particular, if two subscriptions (e.g., via two corresponding SIMs) reside on the same cell with the same radio access technology (RAT), one subscription may utilize a protocol stack to perform idle activities (e.g., paging sharing) of another subscription. For example, when both subscriptions are in idle mode, one of the subscriptions may perform idle mode activities for both subscriptions. In addition, when one subscription is in idle mode and the other subscription is in connected mode, the subscription in connected mode may perform idle mode activities of the subscription in idle mode. In addition, when both subscriptions are in connected (active) mode and the two subscriptions reside on the same cell with the same RAT, the two subscriptions may share dedicated resources (e.g., active resources used for activities such as active calls).

[0117] In order for the two subscriptions to reside on the same cell, the following conditions may be met. One condition is that the two subscriptions have at least one protocol stack with the same RAT. For example, in the case of a single stack, each of the first subscription and the second subscription may have a protocol stack of NR technology, LTE technology, or Wideband Code Division Multiple Access (WCDMA) technology. Fig. 6A 600 is an example diagram illustrating a single stack scenario where two subscriptions have at least one protocol stack with the same RAT. Fig. 6A As shown in , each of the first subscription and the second subscription has a single protocol stack, and the protocol stack can be used for NR technology, LTE technology, WCDMA technology or GSM technology.

[0118] In another example, in a dual stack case, the first subscription may have a protocol stack for NR technology and LTE technology, while the second subscription may have a protocol stack for NR technology and WCDMA technology. In this example of a dual stack case, the condition is satisfied if both subscriptions reside on at least one cell with the same RAT. Thus, if the first subscription resides on a cell using NR technology and LTE technology, and the second subscription resides on the same cell using NR technology and WCDMA technology, then both the first subscription and the second subscription reside on the same cell utilizing NR, and therefore the condition is satisfied. Figure 6B 650 is an example diagram illustrating a dual stack scenario where two subscriptions have at least one protocol stack of the same RAT. Figure 6B As shown in , each subscription can utilize one or two protocol stacks. Figure 6BIn one example, the first subscription may have a dual stack of MCG and SCG, while the second subscription may have a dual stack of MCG and SCG. In another example, the first subscription may have a dual stack of LTE technology and NR technology, while the second subscription may have a dual stack of LTE technology and NR technology, or a single stack of LTE technology, or a single stack of NR technology. In another example, the first subscription may have a dual stack, where both stacks utilize NR technology, and the second subscription may have a dual stack, where both stacks utilize NR technology, or a single stack with NR technology.

[0119] Another condition is that the two subscriptions should be able to reside on the same cell. For example, the subscriptions should belong to the same operator, or the subscriptions use a RAN shared cell, or the subscriptions can roam on the same cell.

[0120] In some aspects of the present disclosure, when two subscriptions used by a DSDS device are both in connected mode, the two subscriptions can reside on the same cell and establish a connection with the same base station using the same RAT (e.g., by establishing a connection with the same eNB or the same gNB). Therefore, the DSDS device can utilize the two subscriptions to use the same frequency resources to perform communications, which can include performing transmission and reception simultaneously and / or communicating in TDD mode. In this way, the DSDS device can be used to implement features available to the DSDA device at a lower cost than the DSDS device.

[0121] In one aspect, one subscription may be used as a primary subscription, and one or more other subscriptions may be used as secondary subscriptions. The primary subscription may perform operations related to the communication of the primary subscription and the communication of the secondary subscription. In one aspect, the DSDS UE may determine a subscription as a primary subscription based on one or more factors discussed below. One factor is based on determining whether the subscription is set as a primary data subscription. For example, a subscription using a data distribution service (DDS) may be a primary data subscription and may therefore be determined as a primary subscription. Another factor is based on determining which subscription first entered the connection mode. For example, a subscription that first enters the connection mode before other subscriptions may be determined as a primary subscription. Another factor is based on the current service type. For example, a subscription that processes the highest priority service among the services processed by various subscriptions may be determined as a priority subscription. For example, voice communication may have a higher priority than data communication. For example, ultra-reliable low-latency communication (URLLC) communication may have a higher priority than enhanced mobile broadband (eMBB) communication. Any subscription that is not determined as a primary subscription in a DSDS UE may be determined as a secondary subscription.

[0122] In one aspect, in a DSDS UE with multiple subscriptions, when a first subscription is set as a primary subscription and a second subscription is set as a secondary subscription, the second subscription may be temporarily set as the primary subscription if certain conditions are met, as discussed below. In one example, in a case where a first subscription that has been determined to be a primary subscription enters idle mode and a second subscription is in connected mode, if the second subscription enters idle mode and / or if the first subscription changes from idle mode to connected mode (wherein there is no pending high priority communication (e.g., a voice call) on the second subscription), the DSDS UE may temporarily set the second subscription as the primary subscription and restore the first subscription to the primary subscription. In one example, in a case where both the first subscription and the second subscription are in connected mode and the second subscription is performing a high priority communication (e.g., a voice call), the DSDS UE may switch the second subscription to temporarily become the primary subscription during the high priority communication of the second subscription, and may restore the first subscription to the primary subscription after the high priority communication of the second subscription ends.

[0123] Figure 7 FIG. 7 is an example diagram 700 showing a connection between a UE and a base station via a single communication link using multiple subscriptions according to one aspect of the present disclosure. Figure 7 , UE 702 is a DSDS UE and includes two SIMs, a first SIM 704 associated with a first subscription and a second SIM 706 associated with a second subscription. For illustration purposes, a dual SIM scenario with a first SIM 704 and a second SIM 706 is shown and explained. However, it should be understood that the present disclosure is not limited to UEs with two SIMs, more than two SIMs may be used for more than two subscriptions, and / or multiple SIMs including the first SIM 704 and the second SIM 706 may be part of a single component. Figure 7 , the UE 702 may establish a first connection 722 with a base station 712 via a first subscription using a first SIM 704. The UE 702 may also establish a second connection 724 with the base station 712 via a second subscription using a second SIM 706. In one aspect, the first connection 722 and the second connection 724 may be established with the base station 712 using the same RAT. In one aspect, the base station 712 may be an eNB or a gNB.

[0124] The first connection 722 or the second connection 724 may be established first. For example, if the first connection 722 is established first, the UE 702 may establish the first connection 722 by performing a RACH procedure and a first RRC establishment procedure with the base station 712 using the first SIM 704 associated with the first subscription, and then may establish the second connection 724 by performing a second RRC establishment procedure with the base station 712 using the second SIM 706 associated with the second subscription. In this example, when the second connection 724 is established, the RACH procedure may not be performed, at least because the communication link 732 is common to both the first subscription and the second subscription, and the RACH procedure has already been performed when the first connection 722 is established using the first SIM 704.

[0125] According to various aspects of the present disclosure, at least two methods may be implemented, as described below. The methods discussed below are not mutually exclusive and may therefore be combined. According to a first method, a UE (e.g., a DSDS UE) may use a first subscription and a second subscription to connect to the same cell / base station using the same frequency resources (e.g., by using the same physical resource blocks) through the same communication link. The communication link may be a frequency channel established between the UE and the base station. In this way, the UE may communicate with the base station via the first subscription and / or the second subscription through the same communication link and using the same frequency resources. In this case, the first subscription and the second subscription may reside on the same cell with the same RAT. If the first subscription and the second subscription are used to use the same frequency resources and connect to the same cell / base station through the same communication link, the UE may use one of the first subscription and the second subscription to monitor the first control information (e.g., the first DCI) associated with the first subscription based on the first subscription identifier, and also monitor the second control information (e.g., the second DCI) associated with the second subscription. In one aspect, one of the first subscription and the second subscription for monitoring the first control information and the second control information may be a primary subscription, and the other subscription may be a secondary subscription. The first subscription identifier may be a first cell radio network temporary identifier (C-RNTI) and the second subscription identifier may be a second C-RNTI. Thus, each of the first subscription and the second subscription utilizes its own subscription identifier. In one aspect, the UE may monitor the first DCI and the second DCI using one of the first subscription and the second subscription by monitoring a physical downlink control channel (PDCCH) for the first DCI and the second DCI. Thus, for example, the UE may monitor a PDCCH with different C-RNTIs for different subscriptions using one of the subscriptions to retrieve DCI based on the different C-RNTIs.

[0126] On the other hand, if the UE (e.g., DSDS UE) uses the first subscription and the second subscription to establish a connection using different frequency resources (e.g., by using different physical resource blocks) through different communication links, the first subscription can be used to monitor the first control information associated with the first subscription (e.g., the first DCI), and the second subscription can be used to monitor the second control information associated with the second subscription (e.g., the second DCI). Therefore, in this case, different subscriptions are used to monitor their respective control information.

[0127] exist Figure 7 In the example shown, according to the first method, a first connection 722 via the first SIM 704 and a second connection 724 via the second SIM 706 can be established with the base station 712 over the communication link 732. Therefore, a connection is established with the base station 712 via the first SIM 704 and the second SIM 706 over the same communication link (which is the communication link 732).

[0128] According to the second method, in a UE (e.g., a DSDS UE), a primary subscription may perform mobility-related activities, and other subscriptions may follow the results of the mobility-related activities performed by the primary subscription. In one aspect, in the case where the primary subscription and the secondary subscription use a first frequency resource, if the UE determines to change the first connection using the primary subscription from the first frequency resource to the second frequency resource, the UE may also determine to change the second connection using the second subscription from the first frequency resource to the second frequency resource, so as to follow the determination associated with the first subscription. For example, the first frequency resource may be a first cell and / or a first BWP, and the second frequency resource may be a second cell and / or a second BWP, and if the UE determines to change the first connection using the primary subscription from the first cell and / or the first BWP to the second cell and / or the second BWP, the UE may also determine to change the second connection using the second subscription from the first cell and / or the first BWP to the second cell and / or the second BWP. When determining to change the first connection for the first subscription, the UE may use the first frequency source to perform mobility measurements via the first subscription, and then determine whether to change the first connection for the first subscription based on the mobility measurements. For example, the mobility measurements may be based on signal strength measurements of different frequency resources. In one example, the UE may perform signal strength measurements, such as reference signal received power (RSRP) or reference signal received quality (RSRQ) measurements, for reference signals associated with different frequency resources (e.g., different cells / base stations or different BWPs) based on reference signals associated with different cells / base stations or different BWPs.

[0129] Figures 8A-8Cis an example diagram illustrating changes in a connection between a UE and one or more base stations using multiple subscriptions according to one aspect of the present disclosure. Figures 8A-8C 8, UE 802 is a DSDS UE and includes two SIMs, a first SIM 804 associated with a first subscription and a second SIM 806 associated with a second subscription. For illustration purposes, a dual SIM scenario with a first SIM 804 and a second SIM 806 is shown and explained. However, it should be understood that the present disclosure is not limited to UEs with two SIMs, more than two SIMs may be used for more than two subscriptions, and / or multiple SIMs including the first SIM 804 and the second SIM 806 may be part of a single component. Figures 8A-8C 802 may utilize a first SIM 804 and a second SIM 806 to establish a connection with one or more of a first base station 812 and a second base station 814. In one aspect, a first connection 822 established using the first SIM 804 and a second connection 824 established using the second SIM 806 may utilize the same RAT. In one aspect, the first base station 812 may be associated with a first cell and the second base station 814 may be associated with a second cell different from the first cell.

[0130] Fig. 8A 8 is an example diagram 800 showing a UE connected to a first base station via two subscriptions, according to some aspects of the present disclosure. Fig. 8A , UE 802 may establish a first connection 822 with a first base station 812 via a first SIM 704, and may establish a second connection 824 with the first base station 812 via a second SIM 806. When both the first SIM 804 and the second SIM 806 are connected to the same base station, the first connection 822 and the second connection 824 may utilize the first frequency resource. Optionally, as described above, the first connection 822 and the second connection 824 may be established through the same communication link. In one aspect, Fig. 8A The UE 802 in the embodiment may later determine to change the first connection 822 for the first SIM 804 by switching from the first base station 812 to the second base station 814 for the first connection 822. This determination to change the first connection 822 may be based on mobility measurements, such as signal strength measurements using the first connection 822 with the first base station 812 and the second base station 814.

[0131] Figure 8B 8 is an example diagram 830 showing a UE connecting to a second base station via two subscriptions according to some aspects of the present disclosure. Figure 8B, after the UE determines to change the first connection 822 as described above, the UE 802 has changed the first connection 822 for the first SIM 804 by performing a handover from the first base station 812 (e.g., using the first frequency resources) to the second base station 814 (e.g., using the second frequency resources). Figure 8B , UE 802 has not yet changed the second connection 824 for the second SIM 806 to follow the change of the first connection 822 via the first SIM 804. Figure 8B 8, UE 802 has a second connection 824 with a first base station 812 via a second SIM 806 to communicate with the first base station 810, and has a first connection 822 with a second base station 814 via a first SIM 804 to communicate with the second base station 814. In one aspect, Figure 8B The UE 802 in FIG. 804 may determine to change the second connection 824 for the second SIM 806 by switching from the first base station 812 to the second base station 814 for the second connection 824. This determination to change the second connection 824 may be based on a change in the first connection 822 switching to the second base station 814.

[0132] Figure 8C FIG860 is an example diagram showing a UE connected to a second base station via two subscriptions according to some aspects of the present disclosure. Figure 8C , after the UE determines to change the second connection 824 (as described above), the UE 802 has changed the second connection 822 for the second SIM 806 by performing a handover from the first base station 812 (e.g., using the first frequency resources) to the second base station 814 (e.g., using the second frequency resources). Figure 8C , UE 802 has a second connection 824 with a second base station 814 via a second SIM 806 for communicating with the second base station 814, and has a first connection 822 with the second base station 814 via a first SIM 804 for communicating with the second base station 814. Figure 8C In the example, the first SIM 804 and the second SIM 806 are both connected to the same base station, and the first connection 822 and the third connection 824 can both communicate with the second base station 814 using the second frequency resources.

[0133] In one aspect, returning a reference Fig. 8A, the first connection 822 may be changed to utilize different frequency resources with or without changing to another base station. For example, while staying on the same base station (e.g., the first base station 812), the UE 802 may determine to change the first connection 822 of the first SIM 804 by switching from the first BWP to the second BWP for the first connection 822. Such determination to change the first connection 822 may be based on mobility measurements, such as signal strength measurements associated with the first BWP and the second BWP using the first connection 822. When the UE 802 has changed the first connection 822 for the first SIM 804 by switching from the first BWP to the second BWP, the UE 802 may determine to change the second connection 824 for the second SIM 806 by switching from the first BWP to the second BWP based on the change in the first connection 824. During a period of time after switching the first connection 822 to the second BWP but before switching the second connection 824 to the second BWP, the first connection 822 for the first SIM 804 may utilize the second BWP, and the second connection 822 for the second SIM 806 may utilize the first BWP. After changing the second connection 824 to switch to the second BWP, both the first SIM 804 and the second SIM 806 may communicate with the first base station 812 using the second BWP.

[0134] Fig. 9 900 is an example diagram showing different subscription switching frequency resources according to some aspects of the present disclosure. During a first time period 912, the UE may enter a merge mode, wherein in the merge mode, the UE may use a first frequency resource 922 for a first subscription and a second subscription, have a first connection with a base station via the first subscription, and have a second connection with the base station via the second subscription. The first frequency resource 922 may be associated with a first cell and / or a first BWP. In this example, the first subscription may be a primary subscription and the second subscription may be a secondary subscription. During the first time period 912, the first subscription may perform channel monitoring 932 and the second subscription may perform channel monitoring 934. In addition, throughout the first time period 912, the first subscription and the second subscription may be used to communicate using the first frequency resource 922, wherein the first subscription and the second subscription are used one at a time, two at a time, or in TDD mode.

[0135] At 952, the UE may change the first connection for the first subscription by switching to the second frequency resource 924. In this case, during the second time period 914, the UE may enter a detached mode, in which the UE may have the first connection for the first subscription communicating using the second frequency resource 924, while the UE may have the second connection for the second subscription continuing to communicate using the first frequency resource 922. For example, the second frequency resource 924 may be associated with the second cell and / or the second BWP, and thus the first connection may be switched to use the second frequency resource by performing a handover from the first cell to the second cell and / or by performing a handover from the first BWP to the second BWP.

[0136] At 954, the UE may change the second connection for the second subscription by switching to the second frequency resource 924. In this case, during the third time period 916, the UE may enter a merged mode, wherein the UE may have a first connection for the first subscription that communicates using the second frequency resource 924, while also having a second connection for the second subscription that communicates using the second frequency resource 924. For example, the second connection may be switched to use the second frequency resource by performing a handover from the first cell to the second cell and / or by performing a handover from the first BWP to the second BWP. Throughout the third time period 916, both the first subscription and the second subscription may be used for communication using the second frequency resource 924, wherein the first subscription and the second subscription may be used one at a time, two at a time, or in TDD mode.

[0137] In one aspect, the secondary subscription may follow the results of the mobility-related activities performed by the primary subscription without network awareness. For example, in response to a change in a first connection of a first subscription switching from a first frequency resource to a second frequency resource, the UE may change a second connection of a second subscription to switch from the first frequency resource to the second frequency resource without transmitting to the network that the second connection will be changed to switch to the second frequency resource.

[0138] In another aspect, the secondary subscription may be assisted by the network, following the results of the mobility-related activities performed by the primary subscription. For example, in response to a change in the first connection of the first subscription switching from a first frequency resource to a second frequency resource, the UE may send an indication indicating the target frequency resource to the network (e.g., a base station connected to the UE using the second subscription). For example, the indication may indicate a cell identifier to indicate a target cell, or may indicate a BWP identifier to indicate a target BWP (as a target frequency resource). If the indication indicates the second frequency resource as a target frequency resource, the base station may communicate with the UE to change the second connection to switch to the second frequency resource. In one aspect, the indication may be sent using UE assistance information sent to the base station. For example, the indication may be included in the nonCriticalExtension field in the UE assistance information. The UE may send UE assistance information in response to an RRC reconfiguration message from the base station.

[0139] Fig.10 1 is a block diagram illustrating an example of a hardware implementation for a UE 1000 employing a processing system 1014. For example, the UE 1000 may be a DSDS UE configured to communicate with at least two subscribers. For example, the UE 1000 may be a DSDS UE configured to communicate with at least two subscribers. Figure 1 , 2 , 3, 7 and / or any one or more of the UEs shown in FIG. 8 .

[0140] The UE 1000 may be implemented using a processing system 1014 including one or more processors 1004. Examples of the processor 1004 include a microprocessor, a microcontroller, a digital signal processor (DSP), a field programmable gate array (FPGA), a programmable logic device (PLD), a state machine, gate logic, separate hardware circuits, and other suitable hardware configured to perform the various functions described throughout the present disclosure. In various examples, the UE 1000 may be configured to perform any one or more of the functions described herein. That is, the processor 1004, as used in the UE 1000, may be used to implement the following and Figure 11-1 Any one or more of the processes and procedures shown in 4.

[0141] In this example, the processing system 1014 may be implemented using a bus architecture, which is generally represented by bus 1002. Depending on the specific application of the processing system 1014 and the overall design constraints, the bus 1002 may include any number of interconnected buses and bridges. The bus 1002 communicatively couples various circuits including one or more processors (generally represented by processor 1004), memory 1005, and processor-readable storage media (generally represented by processor-readable storage media 1006). In addition, the bus 1002 may also link various other circuits such as clock sources, peripherals, voltage regulators, and power management circuits, which are well known in the art and are not described any further. The bus interface 1008 provides an interface between the bus 1002 and the transceiver 1010. The transceiver 1010 provides a communication interface or unit for communicating with various other devices via a transmission medium. In one aspect, the UE 1000 may include a subscription module 1016 that can be used to register with a service network. In such aspects, bus interface 1008 may provide an interface between bus 1002, transceiver 1010, and subscription module 1016. In one aspect, subscription module 1016 may enable UE 1000 to provide services using multiple subscriptions (e.g., a first subscription and a second subscription). Subscription module 1016 may include multiple subscription modules for multiple subscriptions, respectively. Depending on the nature of the device, a user interface 1012 (e.g., a keyboard, display, speaker, microphone, joystick) may also be provided. Of course, such a user interface 1012 is optional and may be omitted in some examples (e.g., base stations).

[0142] In some aspects of the present disclosure, the processor 1004 may include a connection management circuit 1040 configured for various functions, for example, including: using frequency resources to establish a first connection with a base station via a communication link via a first subscription. For example, the connection management circuit 1040 may be configured to implement the following in combination Figure 11-1 2 (e.g., including blocks 1102 and 1202).

[0143] In some aspects of the present disclosure, the connection management circuit 1040 can be configured for various functions, including, for example, using frequency resources to establish a second connection with the base station via the communication link via the second subscription. For example, the connection management circuit 1040 can be configured to implement the following in combination Figure 11-1 2 (e.g., including blocks 1104 and 1204).

[0144] In some aspects of the present disclosure, the connection management circuit 1040 can be configured for various functions, including, for example, changing the first connection for the first subscription by switching from a first frequency resource on the first communication link to a second frequency resource on the second communication link for the first connection. For example, the connection management circuit 1040 can be configured to implement one or more of the functions described below in conjunction with FIG. 12 (e.g., including block 1258).

[0145] In some aspects of the present disclosure, the connection management circuit 1040 may be configured for various functions, including, for example, using a first frequency resource for a first subscription and a second subscription, establishing a first connection with a base station via the first subscription, and establishing a second connection with the base station via the second subscription. For example, the connection management circuit 1040 may be configured to implement the following in combination Figure 13-1 4 (e.g., including blocks 1302 and 1402).

[0146] In some aspects of the present disclosure, the connection management circuit 1040 can be configured for various functions, including, for example, changing the first connection for the first subscription by switching from the first frequency resource to the second frequency resource for the first connection. For example, the connection management circuit 1040 can be configured to implement the following in combination Figure 13-1 4 (e.g., including blocks 1304 and 1456).

[0147] In some aspects of the present disclosure, the connection management circuit 1040 can be configured for various functions, including, for example, changing the second connection for the second subscription by switching from the first frequency resource to the second frequency resource for the second connection in response to changing the first connection for the first subscription. For example, the connection management circuit 1040 can be configured to implement the following in combination Figure 13-1 4 (e.g., including blocks 1306 and 1462).

[0148] In some aspects of the present disclosure, the connection management circuit 1040 can be configured for various functions, including, for example, performing mobility measurements via the first subscription using the first frequency resource. For example, the connection management circuit 1040 can be configured to implement one or more of the functions described below in conjunction with FIG. 14 (e.g., including block 1454).

[0149] In some aspects of the present disclosure, the connection management circuit 1040 can be configured for various functions, including, for example, performing a first communication via a first subscription using a second frequency resource after changing the first connection and before changing the second connection, and performing a second communication via a second subscription using the first frequency resource. For example, the connection management circuit 1040 can be configured to implement one or more of the functions described below in conjunction with FIG. 14 (e.g., including block 1458).

[0150] In some aspects of the present disclosure, the connection management circuit 1040 can be configured for various functions, for example, including: after changing the first connection and before changing the second connection, sending an indication to the base station for the second frequency resource as the target frequency resource. For example, the connection management circuit 1040 can be configured to implement one or more of the functions described below in conjunction with Figure 14 (e.g., including block 1460).

[0151] In some aspects of the present disclosure, the processor 1004 may include a communication management circuit 1042 configured for various functions, including, for example, performing communication with a base station via at least one of the first subscription or the second subscription over a communication link using frequency resources. For example, the communication management circuit 1042 may be configured to implement the following in combination with Figure 11-1 2 (e.g., including blocks 1106 and 1256).

[0152] In some aspects of the present disclosure, the communication management circuit 1042 can be configured for various functions, including, for example, using one of the first subscription and the second subscription, monitoring first control information associated with the first subscription based on the first subscription identifier, and monitoring second control information associated with the second subscription based on the second subscription identifier. For example, the communication management circuit 1042 can be configured to implement one or more of the functions described below in conjunction with FIG. 12 (e.g., including block 1254).

[0153] In some aspects of the present disclosure, the communication management circuit 1042 can be configured for various functions, including, for example, monitoring, using the first subscription, on the first communication link via the first frequency resource, first control information associated with the first subscription based on the first subscription identifier. For example, the communication management circuit 1042 can be configured to implement one or more of the functions described below in conjunction with FIG. 12 (e.g., including block 1260).

[0154] In some aspects of the present disclosure, the communication management circuit 1042 can be configured for various functions, including, for example, performing communication via at least one of the first subscription or the second subscription using the second frequency resource. For example, the communication management circuit 1042 can be configured to implement the following in combination Figure 13-1 4 (e.g., including blocks 1308 and 1464).

[0155] In some aspects of the present disclosure, the communication management circuit 1042 can be configured for various functions, including, for example, monitoring, using the second subscription, based on the second subscription identifier, on the second communication link via the second frequency resource, second control information associated with the second subscription. For example, the communication management circuit 1042 can be configured to implement one or more of the functions described below in conjunction with FIG. 12 (e.g., including block 1262).

[0156] In some aspects of the present disclosure, the processor 1004 may include a subscription management circuit 1044 configured for various functions, including, for example, determining that one of the first subscription and the second subscription is a primary subscription based on one or more of: determining whether one or more of the first subscription and the second subscription is a primary data subscription, determining which of the first subscription and the second subscription has first entered a connected mode, determining which of the first subscription and the second subscription has entered an idle mode, and determining a type of first data transmitted via the first subscription and a type of second data transmitted via the second subscription. For example, the subscription management circuit 1044 may be configured to implement one or more of the functions described below in conjunction with FIG. 12 (e.g., including block 1206).

[0157] In some aspects of the present disclosure, the subscription management circuit 1044 can be configured for various functions, for example, including: in response to determining that one of the first subscription and the second subscription has entered an idle mode and the other of the first subscription and the second subscription is in a connected mode, changing the primary subscription to the other of the first subscription and the second subscription. For example, the subscription management circuit 1044 can be configured to implement one or more of the functions described below in conjunction with FIG. 12 (e.g., including block 1208).

[0158] In some aspects of the present disclosure, the subscription management circuit 1044 can be configured for various functions, including, for example, in response to determining that one of the first subscription and the second subscription has entered the connected mode, changing the primary subscription back to the one of the first subscription and the second subscription. For example, the subscription management circuit 1044 can be configured to implement one or more of the functions described below in conjunction with FIG. 12 (e.g., including block 1210).

[0159] In some aspects of the present disclosure, the subscription management circuit 1044 can be configured for various functions, including, for example, determining that one of the first subscription and the second subscription is a primary subscription based on one or more of the following: determining whether one or more of the first subscription and the second subscription is a primary data subscription, determining which of the first subscription and the second subscription has entered a connected mode first, determining which of the first subscription and the second subscription has entered an idle mode, and determining a type of first data transmitted via the first subscription and a type of second data transmitted via the second subscription. For example, the subscription management circuit 1044 can be configured to implement one or more of the functions described below in conjunction with FIG. 14 (e.g., including block 1404).

[0160] In some aspects of the present disclosure, the subscription management circuit 1044 can be configured for various functions, for example, including: in response to determining that the first subscription has entered an idle mode and the second subscription is in a connected mode, changing the primary subscription to the second subscription. For example, the subscription management circuit 1044 can be configured to implement one or more of the functions described below in conjunction with FIG. 14 (e.g., including block 1406).

[0161] In some aspects of the present disclosure, the subscription management circuit 1044 can be configured for various functions, for example, including: in response to determining that the first subscription has entered the connected mode, changing the primary subscription back to the first subscription. For example, the subscription management circuit 1044 can be configured to implement one or more of the functions described below in conjunction with Figure 14 (e.g., including block 1408).

[0162] The processor 1004 is responsible for managing the bus 1002 and general processing, including executing software stored on the processor readable storage medium 1006. When the software is executed by the processor 1004, it causes the processing system 1014 to perform various functions described below for any particular device. The processor readable storage medium 1006 and the memory 1005 can also be used to store data that is operated on when the processor 1004 executes the software.

[0163] One or more processors 1004 in the processing system can execute software. Software should be broadly interpreted to mean instructions, instruction sets, codes, code segments, program codes, programs, subroutines, software modules, applications, software applications, software packages, routines, subroutines, objects, executable files, threads of execution, processes, functions, etc., whether referred to as software, firmware, middleware, microcode, hardware description language or other terms. The software may be located on a processor-readable storage medium 1006. The processor-readable storage medium 1006 may be a non-transitory processor-readable storage medium. By way of example, non-transitory processor-readable storage media include magnetic storage devices (e.g., hard disks, floppy disks, magnetic tapes), optical disks (e.g., compact disks (CDs) or digital versatile disks (DVDs)), smart cards, flash memory devices (e.g., cards, sticks, or key drives), random access memory (RAM), read-only memory (ROM), programmable ROM (PROM), erasable PROM (EPROM), electronically erasable PROM (EEPROM), registers, removable hard disks, and any other suitable medium for storing software and / or instructions that can be accessed and read by a computer. The processor-readable storage medium 1006 may be located in the processing system 1014, located outside the processing system 1014, or distributed among multiple entities including the processing system 1014. The processor-readable storage medium 1006 may be embodied in a computer program product. By way of example, a computer program product may include a processor-readable storage medium having packaging materials. One of ordinary skill in the art will recognize that how best to implement the functions described throughout this disclosure depends on the specific application and the design constraints imposed on the overall system.

[0164] In some aspects of the present disclosure, the processor-readable storage medium 1006 may include connection management software / instructions 1050 configured for various functions, including, for example, using frequency resources to establish a first connection with a base station via a communication link via a first subscription. For example, the connection management software / instructions 1050 may be configured to implement the following in conjunction with Figure 11-1 2 (e.g., including blocks 1102 and 1202).

[0165] In some aspects of the present disclosure, the connection management software / instructions 1050 may be configured for various functions, including, for example, using frequency resources to establish a second connection with the base station via a communication link via a second subscription. For example, the connection management software / instructions 1050 may be configured to implement the following in combination with Figure 11-1 2 (e.g., including blocks 1104 and 1204).

[0166] In some aspects of the present disclosure, the connection management software / instructions 1050 may be configured for various functions, including, for example, changing a first connection for a first subscription by switching from a first frequency resource on a first communication link to a second frequency resource on a second communication link for the first connection. For example, the connection management software / instructions 1050 may be configured to implement one or more of the functions described below in conjunction with FIG. 12 (e.g., including block 1258).

[0167] In some aspects of the present disclosure, the connection management software / instructions 1050 may be configured for various functions, including, for example, using a first frequency resource for a first subscription and a second subscription, establishing a first connection with a base station via the first subscription, and establishing a second connection with the base station via the second subscription. For example, the connection management software / instructions 1050 may be configured to implement the following in combination Figure 13-1 4 (e.g., including blocks 1302 and 1402).

[0168] In some aspects of the present disclosure, the connection management software / instructions 1050 may be configured for various functions, including, for example, changing a first connection for a first subscription by switching from a first frequency resource to a second frequency resource for the first connection. For example, the connection management software / instructions 1050 may be configured to implement the following in combination with Figure 13-1 4 (e.g., including blocks 1304 and 1456).

[0169] In some aspects of the present disclosure, the connection management software / instructions 1050 may be configured for various functions, including, for example, changing a second connection for a second subscription by switching from a first frequency resource to a second frequency resource for the second connection in response to changing the first connection for the first subscription. For example, the connection management software / instructions 1050 may be configured to implement the following in combination with Figure 13-1 4 (e.g., including blocks 1306 and 1462).

[0170] In some aspects of the present disclosure, the connection management software / instructions 1050 may be configured for various functions, including, for example, performing mobility measurements via a first subscription using a first frequency resource. For example, the connection management software / instructions 1050 may be configured to implement one or more of the functions described below in conjunction with FIG. 14 (e.g., including block 1454).

[0171] In some aspects of the present disclosure, the connection management software / instructions 1050 may be configured for various functions, including, for example, performing a first communication via a first subscription using a second frequency resource after changing the first connection and before changing the second connection, and performing a second communication via a second subscription using the first frequency resource. For example, the connection management software / instructions 1050 may be configured to implement one or more of the functions described below in conjunction with FIG. 14 (e.g., including block 1458).

[0172] In some aspects of the present disclosure, the connection management software / instructions 1050 may be configured for various functions, including, for example, sending an indication to the base station of the second frequency resource as the target frequency resource after changing the first connection and before changing the second connection. For example, the connection management software / instructions 1050 may be configured to implement one or more of the functions described below in conjunction with FIG. 14 (e.g., including block 1460).

[0173] In some aspects of the present disclosure, the processor-readable storage medium 1006 may include communication management software / instructions 1052 configured for various functions, including, for example, performing communication with a base station via at least one of a first subscription or a second subscription over a communication link using frequency resources. For example, the communication management software / instructions 1052 may be configured to implement the following in conjunction with Figure 11-1 2 (e.g., including blocks 1106 and 1256).

[0174] In some aspects of the present disclosure, the communication management software / instructions 1052 may be configured for various functions, including, for example, using one of the first subscription and the second subscription, monitoring first control information associated with the first subscription based on the first subscription identifier, and monitoring second control information associated with the second subscription based on the second subscription identifier. For example, the communication management software / instructions 1052 may be configured to implement one or more of the functions described below in conjunction with FIG. 12 (e.g., including block 1254).

[0175] In some aspects of the present disclosure, the communication management software / instructions 1052 may be configured for various functions, including, for example, monitoring, using the first subscription, over the first communication link via the first frequency resource, first control information associated with the first subscription based on the first subscription identifier. For example, the communication management software / instructions 1052 may be configured to implement one or more of the functions described below in conjunction with FIG. 12 (e.g., including block 1260).

[0176] In some aspects of the present disclosure, the communication management software / instructions 1052 may be configured for various functions, including, for example, performing communications via at least one of the first subscription or the second subscription using the second frequency resource. For example, the communication management software / instructions 1052 may be configured to implement the following in combination with Figure 13-1 4 (e.g., including blocks 1308 and 1464).

[0177] In some aspects of the present disclosure, the communication management software / instructions 1052 may be configured for various functions, including, for example, monitoring, using the second subscription, based on the second subscription identifier, on the second communication link via the second frequency resource, second control information associated with the second subscription. For example, the communication management software / instructions 1052 may be configured to implement one or more of the functions described below in conjunction with FIG. 12 (e.g., including block 1262).

[0178] In some aspects of the present disclosure, the processor-readable storage medium 1006 may include subscription management software / instructions 1054 configured for various functions, including, for example, determining that one of the first subscription and the second subscription is a primary subscription based on one or more of: determining whether one or more of the first subscription and the second subscription is a primary data subscription, determining which of the first subscription and the second subscription has first entered a connected mode, determining which of the first subscription and the second subscription has entered an idle mode, and determining a type of first data transmitted via the first subscription and a type of second data transmitted via the second subscription. For example, the subscription management software / instructions 1054 may be configured to implement one or more of the functions described below in conjunction with FIG. 12 (e.g., including block 1206).

[0179] In some aspects of the present disclosure, subscription management software / instructions 1054 may be configured for various functions, including, for example, in response to determining that one of the first subscription and the second subscription has entered an idle mode and the other of the first subscription and the second subscription is in a connected mode, changing the primary subscription to the other of the first subscription and the second subscription. For example, subscription management software / instructions 1054 may be configured to implement one or more of the functions described below in conjunction with FIG. 12 (e.g., including block 1208).

[0180] In some aspects of the present disclosure, subscription management software / instructions 1054 may be configured for various functions, including, for example, in response to determining that one of the first subscription and the second subscription has entered a connected mode, changing the primary subscription back to the one of the first subscription and the second subscription. For example, subscription management software / instructions 1054 may be configured to implement one or more of the functions described below in conjunction with FIG. 12 (e.g., including block 1210).

[0181] In some aspects of the present disclosure, subscription management software / instructions 1054 may be configured for various functions, including, for example, determining that one of the first subscription and the second subscription is a primary subscription based on one or more of: determining whether one or more of the first subscription and the second subscription is a primary data subscription, determining which of the first subscription and the second subscription has first entered a connected mode, determining which of the first subscription and the second subscription has entered an idle mode, and determining a type of first data transmitted via the first subscription and a type of second data transmitted via the second subscription. For example, subscription management software / instructions 1054 may be configured to implement one or more of the functions described below in conjunction with FIG. 14 (e.g., including block 1404).

[0182] In some aspects of the present disclosure, subscription management software / instructions 1054 may be configured for various functions, including, for example, in response to determining that the first subscription has entered idle mode and the second subscription is in connected mode, changing the primary subscription to the second subscription. For example, subscription management software / instructions 1054 may be configured to implement one or more of the functions described below in conjunction with FIG. 14 (e.g., including block 1406).

[0183] In some aspects of the present disclosure, subscription management software / instructions 1054 may be configured for various functions, including, for example, in response to determining that the first subscription has entered connected mode, changing the primary subscription back to the first subscription. For example, subscription management software / instructions 1054 may be configured to implement one or more of the functions described below in conjunction with FIG. 14 (e.g., including block 1408).

[0184] Fig.11 1 is a flow chart illustrating an example process 1100 for wireless communication of a UE according to some aspects of the present disclosure. As described below, some or all of the illustrated features may be omitted in certain implementations within the scope of the present disclosure, and some of the illustrated features may not be required for implementation of all embodiments. In some examples, the process 1100 may be performed by Fig.10 In some examples, the process 1100 may be performed by any suitable device or unit for performing the functions or algorithms described below.

[0185] At block 1102 , process 1100 includes establishing a first connection with a base station over a communication link via a first subscription using frequency resources.

[0186] At block 1104, process 1100 includes establishing a second connection with the base station over the communication link via the second subscription using the frequency resources.

[0187] At block 1106, process 1100 includes performing communications with a base station via at least one of the first subscription or the second subscription over the communication link using the frequency resources.

[0188] In one configuration, the UE 1000 may include: a unit for establishing a first connection with a base station via a communication link using frequency resources via a first subscription; a unit for establishing a second connection with the base station via a communication link using frequency resources via a second subscription; and a unit for performing communication with the base station via at least one of the first subscription or the second subscription via the communication link using frequency resources. In one aspect, the aforementioned units may be Fig.10 The processor 1004 shown in is configured to perform the functions described by the aforementioned units. In another aspect, the aforementioned units may be circuits or any devices configured to perform the functions described by the aforementioned units.

[0189] Of course, in the above example, only the circuit included in the processor 1004 is provided as an example, and other units for performing the described functions may be included in various aspects of the present disclosure, including but not limited to instructions stored in the processor readable storage medium 1006, or Figure 1 , 2 , 3, 7 and / or any other suitable device or unit described in any of Figures 8, and using, for example, the present invention with respect to Fig.11 The processes and / or algorithms described.

[0190] Fig. 12A 1 is a flow chart illustrating an example process 1200 for wireless communication of a UE according to some aspects of the present disclosure. As described below, some or all of the illustrated features may be omitted in certain implementations within the scope of the present disclosure, and some of the illustrated features may not be required for implementation of all embodiments. In some examples, the process 1200 may be performed by, for example, Fig.10 In some examples, the process 1200 may be performed by any suitable device or unit for performing the functions or algorithms described below.

[0191] At block 1202, process 1200 includes establishing a first connection with a base station over a communication link via a first subscription using frequency resources.

[0192] At block 1204, process 1200 includes establishing a second connection with the base station over the communication link via a second subscription using the frequency resources.

[0193] In one aspect, the first connection and the second connection may be established with the base station using the same RAT. In one aspect, the communication link may be a frequency channel between the DSDS UE and the base station.

[0194] At box 1206, processing 1200 may include: determining that one of the first subscription and the second subscription is a primary subscription based on one or more of the following: determining whether one or more of the first subscription and the second subscription are primary data subscriptions, determining which of the first subscription and the second subscription has first entered a connected mode, determining which of the first subscription and the second subscription has entered an idle mode, and determining a type of first data transmitted via the first subscription and a type of second data transmitted via the second subscription.

[0195] In one aspect, the type of data transmitted via the first subscription may indicate a first priority, and the type of data transmitted via the second subscription may indicate a second priority, and the one of the first subscription and the second subscription may be determined as a primary subscription based on the first priority associated with the first data and the second priority associated with the second data.

[0196] At block 1208 , process 1200 may include, in response to determining that the one of the first subscription and the second subscription has entered idle mode and the other of the first subscription and the second subscription is in connected mode, changing the primary subscription to the other of the first subscription and the second subscription.

[0197] At block 1210 , process 1200 may include, in response to determining that the one of the first subscription and the second subscription has entered a connected mode, changing the primary subscription back to the one of the first subscription and the second subscription.

[0198] At block 1212, process 1200 may include performing the following Fig. 12B Other features shown in .

[0199] Fig. 12B 1 is a flow chart illustrating an example process 1250 for wireless communication of a UE according to some aspects of the present disclosure. As described below, some or all of the illustrated features may be omitted in certain implementations within the scope of the present disclosure, and some of the illustrated features may not be required for implementation of all embodiments. In some examples, the process 1200 may be performed by, for example, Fig.10 In some examples, the process 1200 may be performed by any suitable device or unit for performing the functions or algorithms described below. In block 1252, the process 1250 may be performed from Fig. 12A Block 1212 continues.

[0200] At block 1254, process 1250 includes, using one of the first subscription and the second subscription, monitoring first control information associated with the first subscription based on the first subscription identifier and monitoring second control information associated with the second subscription based on the second subscription identifier.

[0201] In one aspect, in response to determining at block 1206 that the one of the first subscription and the second subscription is the primary subscription, the first control information and the second information may be monitored using the one of the first subscription and the second subscription.

[0202] In one aspect, the first control information and the second control information may be a first DCI and a second DCI, respectively, wherein monitoring the first control information and monitoring the second control information may include monitoring a PDCCH having the first subscription identifier for the first DCI and having the second subscription identifier for the second DCI. In one aspect, the first subscription identifier may be a first C-RNTI and the second subscription identifier is a second C-RNTI.

[0203] At block 1256, process 1250 includes performing communications with the base station via at least one of the first subscription or the second subscription over the communication link using the frequency resources.

[0204] In one aspect, performing the communication may include: if at least one of the first control information or the second control information includes an uplink scheduling grant, performing uplink communication based on at least one of the first control information or the second control information associated with at least one of the first subscription or the second subscription, respectively; if at least one of the first control information or the second control information includes a downlink scheduling assignment, receiving downlink communication based on at least one of the first control information or the second control information associated with at least one of the first subscription or the second subscription, respectively. In one aspect, the uplink communication may be a PUSCH communication, and the downlink communication may be a PDSCH communication.

[0205] In one aspect, performing communications with a base station may include simultaneously receiving, over a communication link using frequency resources, a first downlink communication via a first subscription and a second downlink communication via a second subscription.

[0206] In one aspect, communicating with the base station may be performed based on monitoring the first control information and the second control information at block 1254 .

[0207] At block 1258, process 1250 may include changing the first connection for the first subscription by switching from a first frequency resource on the first communication link to a second frequency resource on the second communication link for the first connection. At block 1260, process 1250 may include monitoring first control information associated with the first subscription based on the first subscription identifier on the first communication link via the first frequency resource. At block 1262, process 1250 may include monitoring second control information associated with the second subscription based on the second subscription identifier on the second communication link via the second frequency resource using the second subscription.

[0208] In one configuration, UE 1000 may include: a unit for using frequency resources to establish a first connection with a base station through a communication link via a first subscription; a unit for using frequency resources to establish a second connection with the base station through a communication link via a second subscription; and a unit for using frequency resources to perform communication with the base station through a communication link via at least one of the first subscription or the second subscription.

[0209] UE 1000 may also include: a unit for monitoring, using one of the first subscription and the second subscription, first control information associated with the first subscription based on the first subscription identifier, and monitoring the second control information associated with the second subscription based on the second subscription identifier; a unit for changing the first connection for the first subscription by switching from a first frequency resource on the first communication link to a second frequency resource on the second communication link for the first connection; a unit for monitoring, using the first subscription, on the first communication link via the first frequency resource, the first control information associated with the first subscription based on the first subscription identifier; a unit for monitoring, using the second subscription, on the second communication link via the second frequency resource, the second control information associated with the second subscription based on the second subscription identifier; a unit for monitoring, based on one of the following: or more, a unit for determining that one of the first subscription and the second subscription is a primary subscription: determining whether one or more of the first subscription and the second subscription is a primary data subscription, determining which of the first subscription and the second subscription has first entered a connected mode, determining which of the first subscription and the second subscription has entered an idle mode, and determining a type of first data transmitted via the first subscription and a type of second data transmitted via the second subscription; a unit for changing the primary subscription to the other of the first subscription and the second subscription in response to determining that the one of the first subscription and the second subscription has entered an idle mode and the other of the first subscription and the second subscription is in a connected mode; a unit for changing the primary subscription back to the one of the first subscription and the second subscription in response to determining that the one of the first subscription and the second subscription has entered a connected mode.

[0210] In one aspect, the aforementioned unit can be Fig.10 The processor 1004 shown in is configured to perform the functions described by the aforementioned units. In another aspect, the aforementioned units may be circuits or any devices configured to perform the functions described by the aforementioned units.

[0211] Of course, in the above example, only the circuit included in the processor 1004 is provided as an example, and other units for performing the described functions may be included in various aspects of the present disclosure, including but not limited to instructions stored in the processor readable storage medium 1006, or Figure 1 , 2 , 3, 7 and / or any other suitable device or unit described in any of Figures 8, and utilizing, for example, the processing and / or algorithm described herein with respect to Figure 12.

[0212] Fig.13 1 is a flow chart illustrating an example process 1300 for wireless communication of a UE according to some aspects of the present disclosure. As described below, some or all of the illustrated features may be omitted in certain implementations within the scope of the present disclosure, and some of the illustrated features may not be required for implementation of all embodiments. In some examples, the process 1300 may be performed by, for example, Fig.10 In some examples, the process 1300 may be performed by any suitable device or unit for performing the functions or algorithms described below.

[0213] At block 1302, process 1300 includes establishing a first connection with a base station via the first subscription and establishing a second connection with the base station via the second subscription using first frequency resources for a first subscription and a second subscription.

[0214] At block 1304, process 1300 includes changing a first connection for a first subscription by switching from a first frequency resource to a second frequency resource for the first connection.

[0215] At block 1306, process 1300 includes, in response to changing the first connection for the first subscription, changing a second connection for the second subscription by switching from the first frequency resources to the second frequency resources for the second connection.

[0216] At block 1308, process 1300 includes performing communications via at least one of the first subscription or the second subscription using the second frequency resources.

[0217] In one configuration, UE 1000 may include: a unit for establishing a first connection with a base station via the first subscription using a first frequency resource for a first subscription and a second subscription, and establishing a second connection with the base station via the second subscription; a unit for changing the first connection for the first subscription by switching from the first frequency resource to the second frequency resource for the first connection; a unit for changing the second connection for the second subscription by switching from the first frequency resource to the second frequency resource for the second connection in response to changing the first connection for the first subscription; a unit for performing communication via at least one of the first subscription or the second subscription using the second frequency resource. In one aspect, the aforementioned units may be Fig.10 The processor 1004 shown in is configured to perform the functions described by the aforementioned units. In another aspect, the aforementioned units may be circuits or any devices configured to perform the functions described by the aforementioned units.

[0218] Of course, in the above example, only the circuit included in the processor 1004 is provided as an example, and other units for performing the described functions may be included in various aspects of the present disclosure, including but not limited to instructions stored in the processor readable storage medium 1006, or Figure 1 , 2 , 3, 7 and / or any other suitable device or unit described in any of Figures 8, and using, for example, the present invention with respect to Fig.13 The processes and / or algorithms described.

[0219] Fig.14A 1 is a flow chart illustrating an example process 1400 for wireless communication of a UE according to some aspects of the present disclosure. As described below, some or all of the illustrated features may be omitted in certain implementations within the scope of the present disclosure, and some of the illustrated features may not be required for implementation of all embodiments. In some examples, the process 1400 may be performed by, for example, Fig.10 In some examples, the process 1400 may be performed by any suitable device or unit for performing the functions or algorithms described below.

[0220] At block 1402, process 1400 includes establishing a first connection with a base station via the first subscription and establishing a second connection with the base station via the second subscription using first frequency resources for the first subscription and the second subscription. In one aspect, the first connection and the second connection may be established with the base station using the same RAT.

[0221] At box 1404, processing 1400 may include: determining that one of the first subscription and the second subscription is a primary subscription based on one or more of the following: determining whether one or more of the first subscription and the second subscription is a primary data subscription, determining which of the first subscription and the second subscription has first entered a connected mode, determining which of the first subscription and the second subscription has entered an idle mode, and determining a type of first data transmitted via the first subscription and a type of second data transmitted via the second subscription.

[0222] In one aspect, the type of first data transmitted via the first subscription may indicate a first priority, and the type of first data transmitted via the second subscription may indicate a second priority, and the first subscription may be determined as a primary subscription based on the first priority associated with the first data and the second priority associated with the second data.

[0223] At block 1406, the process may include, in response to determining that the first subscription has entered an idle mode and the second subscription is in a connected mode, changing the primary subscription to the second subscription.

[0224] At block 1408 , the process may include, in response to determining that the first subscription has entered the connected mode, changing the primary subscription back to the first subscription.

[0225] At block 1410, the process may include performing the following Fig. 14B Other features shown in .

[0226] Fig. 14B 1400 is a flow chart illustrating an example process 1450 for wireless communication of a UE according to some aspects of the present disclosure. As described below, some or all of the illustrated features may be omitted in certain implementations within the scope of the present disclosure, and some of the illustrated features may not be required for implementation of all embodiments. In some examples, the process 1400 may be performed by, for example, Fig.10 In some examples, the process 1400 may be performed by any suitable device or unit for performing the functions or algorithms described below. In block 1452, the process 1450 may be performed from Fig. 14B Block 1410 continues.

[0227] At block 1454, process 1400 may include performing mobility measurements via the first subscription using the first frequency resource.

[0228] At block 1456, process 1400 may include changing the first connection for the first subscription by switching from the first frequency resources to the second frequency resources for the first connection.

[0229] At block 1458, process 1400 may include, after changing the first connection and before changing the second connection, performing the first communication via the first subscription using the second frequency resources and performing the second communication via the second subscription using the first frequency resources.

[0230] At block 1460, process 1400 may include, after changing the first connection and before changing the second connection, sending an indication to the base station of the second frequency resource as the target frequency resource. In one aspect, the indication may be sent via UE assistance information.

[0231] At block 1462, process 1400 includes, in response to changing the first connection for the first subscription, changing a second connection for the second subscription by switching from the first frequency resources to the second frequency resources for the second connection.

[0232] In one aspect, the first connection for the first subscription may be changed based on the mobility measurement.

[0233] In one aspect, the first frequency resource may be associated with at least one of: a first cell associated with a base station, or a first BWP of the first cell, and the second frequency resource may be associated with at least one of: a second cell associated with a second base station, or a second BWP of the first cell.

[0234] At block 1464, process 1400 includes performing communications via at least one of the first subscription or the second subscription using the second frequency resources.

[0235] In one configuration, UE 1000 may include: a unit for establishing a first connection with a base station via the first subscription and a second subscription using first frequency resources for the first subscription and a second subscription, and establishing a second connection with the base station via the second subscription; a unit for changing the first connection for the first subscription by switching from the first frequency resources to the second frequency resources for the first connection; a unit for changing the second connection for the second subscription by switching from the first frequency resources to the second frequency resources for the second connection in response to changing the first connection for the first subscription; and a unit for performing communication via at least one of the first subscription or the second subscription using the second frequency resources.

[0236] UE 1000 may also include: a unit for performing mobility measurements via the first subscription using the first frequency resource; a unit for performing the first communication via the first subscription using the second frequency resource after changing the first connection and before changing the second connection, and performing the second communication via the second subscription using the first frequency resource; a unit for sending an indication of the second frequency resource as a target frequency resource to the base station after changing the first connection and before changing the second connection; a unit for determining that one of the first subscription and the second subscription is a primary subscription based on one or more of the following: determining whether one or more of the first subscription and the second subscription is a primary data subscription, determining which of the first subscription and the second subscription has first entered the connected mode, determining which of the first subscription and the second subscription has entered the idle mode, and determining the type of first data transmitted via the first subscription and the type of second data transmitted via the second subscription; a unit for changing the primary subscription to the second subscription in response to determining that the first subscription has entered the idle mode and the second subscription is in the connected mode; a unit for changing the primary subscription back to the first subscription in response to determining that the first subscription has entered the connected mode.

[0237] In one aspect, the aforementioned unit can be Fig.10 The processor 1004 shown in is configured to perform the functions described by the aforementioned units. In another aspect, the aforementioned units may be circuits or any devices configured to perform the functions described by the aforementioned units.

[0238] Of course, in the above example, only the circuits included in the processor 1004 are provided as examples, and other units for performing the described functions may be included in various aspects of the present disclosure, including but not limited to instructions stored in the processor readable storage medium 906, or Figure 1 , 2 , 3, 7 and / or any other suitable device or unit described in any of Figures 8, and utilizing, for example, the processing and / or algorithm described herein with respect to Figure 14.

[0239] Fig.15 1 is a conceptual diagram illustrating an example of a hardware implementation for a base station 1500 employing a processing system 1514. For example, the base station 1500 may be Figure 1 , 2 , 3, 7 and / or any one or more of the base stations shown in Figures 8.

[0240] The base station 1500 may be implemented using a processing system 1514 including one or more processors 1504. Examples of processor 1504 include microprocessors, microcontrollers, digital signal processors (DSPs), field programmable gate arrays (FPGAs), programmable logic devices (PLDs), state machines, gate logic, discrete hardware circuits, and other suitable hardware configured to perform the various functions described throughout the present disclosure. In various examples, the base station 1500 may be configured to perform any one or more of the functions described herein. That is, the processor 1504, as used in the base station 1500, may be used to implement the following and Figure 16-19 Any one or more of the processes and procedures shown.

[0241] In this example, the processing system 1514 may be implemented using a bus architecture, which is generally represented by bus 1502. Depending on the specific application of the processing system 1514 and the overall design constraints, the bus 1502 may include any number of interconnecting buses and bridges. The bus 1502 communicatively couples various circuits including one or more processors (generally represented by processor 1504), memory 1505, and processor-readable storage media (generally represented by processor-readable storage media 1506). In addition, the bus 1502 may also link various other circuits such as clock sources, peripherals, voltage regulators, and power management circuits, which are well known in the art and are not described any further. The bus interface 1508 provides an interface between the bus 1502 and the transceiver 1510. The transceiver 1510 provides a communication interface or unit for communicating with various other devices via a transmission medium. Depending on the nature of the device, a user interface 1512 (e.g., keyboard, display, speaker, microphone, joystick) may also be provided. Of course, such a user interface 1512 is optional and may be omitted in some examples (eg, base stations).

[0242] In some aspects of the present disclosure, the processor 1504 may include a connection management circuit 1540 configured for various functions, including, for example, establishing a first connection via a communication link using frequency resources via a first subscription of a DSDS user equipment (UE), the DSDS UE being configured to communicate with at least two subscriptions. For example, the connection management circuit 1540 may be configured to implement the following in combination Figure 16-17 One or more of the described functions (eg, including blocks 1602 and 1702).

[0243] In some aspects of the present disclosure, the connection management circuit 1540 can be configured for various functions, including, for example, changing the first connection for the first subscription by switching from a first frequency resource on the first communication link to a second frequency resource on the second communication link for the first connection. For example, the connection management circuit 1540 can be configured to implement the following in combination Fig.17 One or more of the functions described (eg, including block 1708).

[0244] In some aspects of the present disclosure, the connection management circuit 1540 may be configured for various functions, including, for example, using frequency resources to establish a second connection via a communication link via a second subscription of a DSDS UE. For example, the connection management circuit 1540 may be configured to implement the following in combination with Figure 16-17 One or more of the described functions (eg, including blocks 1604 and 1704).

[0245] In some aspects of the present disclosure, the connection management circuit 1540 can be configured for various functions, including, for example, establishing a first connection via a first subscription of a DSDS user equipment (UE) using a first frequency resource for a first subscription and a second subscription, and establishing a second connection via a second subscription of the DSDS UE, the DSDS UE being configured to communicate with at least two subscriptions. For example, the connection management circuit 1540 can be configured to implement the following in combination Figure 18-19 One or more of the described functions (eg, including blocks 1802 and 1902).

[0246] In some aspects of the present disclosure, the connection management circuit 1540 may be configured for various functions, including, for example, changing a first connection for a first subscription by switching from a first frequency resource to a second frequency resource for the first connection. For example, the connection management circuit 1540 may be configured to implement the following in combination with Figure 18-19 One or more of the described functions (eg, including blocks 1804 and 1906).

[0247] In some aspects of the present disclosure, the connection management circuit 1540 can be configured for various functions, including, for example, changing the second connection for the second subscription by switching from the first frequency resource to the second frequency resource for the second connection in response to changing the first connection for the first subscription. For example, the connection management circuit 1540 can be configured to implement the following in combination Figure 18-19 One or more of the described functions (eg, including blocks 1806 and 1912).

[0248] In some aspects of the present disclosure, the processor 1504 may include a communication management circuit 1542 configured for various functions, including, for example, performing communication with the DSDS UE via at least one of the first subscription or the second subscription over the communication link using frequency resources. For example, the communication management circuit 1542 may be configured to implement the following in combination with Figure 16-17 One or more of the described functions (eg, including blocks 1606 and 1712).

[0249] In some aspects of the present disclosure, the communication management circuit 1542 can be configured for various functions, including, for example, using one of the first subscription or the second subscription to send first control information associated with the first subscription and the first subscription identifier and second control information associated with the second subscription and the second subscription identifier. For example, the communication management circuit 1542 can be configured to implement the following in combination Fig.17 One or more of the functions described (eg, including block 1706).

[0250] In some aspects of the present disclosure, the communication management circuit 1542 can be configured for various functions, including, for example, using the first subscription, via the first frequency resource, on the first communication link, and sending first control information associated with the first subscription based on the first subscription identifier. For example, the communication management circuit 1542 can be configured to implement the following in combination Fig.17 One or more of the functions described (eg, including block 1710).

[0251] In some aspects of the present disclosure, the communication management circuit 1542 can be configured for various functions, including, for example, using the second frequency resource to communicate via at least one of the first subscription or the second subscription. For example, the communication management circuit 1542 can be configured to implement the following in combination Figure 18-19 One or more of the described functions (eg, including blocks 1808 and 1914).

[0252] In some aspects of the present disclosure, the communication management circuit 1542 may be configured for various functions, including, for example, sending one or more reference signals for mobility measurement to the DSDS UE via the first subscription using the first frequency resource. For example, the communication management circuit 1542 may be configured to implement the following in combination with Fig.19 One or more of the described functions (eg, including block 1904).

[0253] In some aspects of the present disclosure, the communication management circuit 1542 can be configured for various functions, including, for example, performing a first communication via a first subscription using a second frequency resource after changing the first connection and before changing the second connection, and performing a second communication via a second subscription using the first frequency resource. For example, the communication management circuit 1542 can be configured to implement the following in combination with Fig.19 One or more of the described functions (eg, including block 1908).

[0254] In some aspects of the present disclosure, the communication management circuit 1542 can be configured for various functions, including, for example, receiving an indication of the second frequency resource as a target frequency resource after changing the first connection and before changing the second connection. For example, the communication management circuit 1542 can be configured to implement the following in combination with Fig.19 One or more of the functions described (eg, including block 1910).

[0255] The processor 1504 is responsible for managing the bus 1502 and general processing, including executing software stored on the processor readable storage medium 1506. When the software is executed by the processor 1504, it causes the processing system 1514 to perform various functions described below for any particular device. The processor readable storage medium 1506 and the memory 1505 can also be used to store data that is operated on when the processor 1504 executes the software.

[0256] One or more processors 1504 in the processing system can execute software. Software should be broadly interpreted to mean instructions, instruction sets, codes, code segments, program codes, programs, subroutines, software modules, applications, software applications, software packages, routines, subroutines, objects, executable files, threads of execution, processes, functions, etc., whether referred to as software, firmware, middleware, microcode, hardware description language, or other terms. The software may reside on a processor-readable storage medium 1506. The processor-readable storage medium 1506 may be a non-transitory processor-readable storage medium. By way of example, non-transitory processor-readable storage media include magnetic storage devices (e.g., hard disks, floppy disks, magnetic tapes), optical disks (e.g., compact disks (CDs) or digital versatile disks (DVDs)), smart cards, flash memory devices (e.g., cards, sticks, or key drives), random access memory (RAM), read-only memory (ROM), programmable ROM (PROM), erasable PROM (EPROM), electronically erasable PROM (EEPROM), registers, removable hard disks, and any other suitable medium for storing software and / or instructions that can be accessed and read by a computer. The processor-readable storage medium 1506 may be located in the processing system 1514, located outside the processing system 1514, or distributed among multiple entities including the processing system 1514. The processor-readable storage medium 1506 may be embodied in a computer program product. By way of example, a computer program product may include a processor-readable storage medium having packaging materials. One of ordinary skill in the art will recognize that how best to implement the functions described throughout this disclosure depends on the specific application and the design constraints imposed on the overall system.

[0257] In some aspects of the present disclosure, the processor-readable storage medium 1506 may include connection management software / instructions 1550 configured for various functions, including, for example, establishing a first connection via a communication link using frequency resources via a first subscription of a DSDS user equipment (UE), the DSDS UE being configured to communicate with at least two subscriptions. For example, the connection management software / instructions 1550 may be configured to implement the following in combination with Figure 16-17 One or more of the described functions (eg, including blocks 1602 and 1702).

[0258] In some aspects of the present disclosure, the connection management software / instructions 1550 may be configured for various functions, including, for example, changing a first connection for a first subscription by switching from a first frequency resource on a first communication link to a second frequency resource on a second communication link for the first connection. For example, the connection management software / instructions 1550 may be configured to implement the following in combination with Fig.17One or more of the functions described (eg, including block 1708).

[0259] In some aspects of the present disclosure, the connection management software / instructions 1550 may be configured for various functions, including, for example, using frequency resources, establishing a second connection via a communication link via a second subscription of a DSDS UE. For example, the connection management software / instructions 1550 may be configured to implement the following in combination with Figure 16-17 One or more of the described functions (eg, including blocks 1604 and 1704).

[0260] In some aspects of the present disclosure, the connection management software / instructions 1550 may be configured for various functions, including, for example, establishing a first connection via a first subscription of a DSDS user equipment (UE) using a first frequency resource for a first subscription and a second subscription, and establishing a second connection via a second subscription of the DSDS UE, the DSDS UE being configured to communicate with at least two subscriptions. For example, the connection management software / instructions 1550 may be configured to implement the following in combination with Figure 18-19 One or more of the described functions (eg, including blocks 1802 and 1902).

[0261] In some aspects of the present disclosure, the connection management software / instructions 1550 may be configured for various functions, including, for example, changing a first connection for a first subscription by switching from a first frequency resource to a second frequency resource for the first connection. For example, the connection management software / instructions 1550 may be configured to implement the following in conjunction with Figure 18-19 One or more of the described functions (eg, including blocks 1804 and 1906).

[0262] In some aspects of the present disclosure, the connection management software / instructions 1550 may be configured for various functions, including, for example, in response to changing the first connection for the first subscription, changing the second connection for the second subscription by switching from the first frequency resource to the second frequency resource for the second connection. For example, the connection management software / instructions 1550 may be configured to implement the following in combination with Figure 18-19 One or more of the described functions (eg, including blocks 1806 and 1912).

[0263] In some aspects of the present disclosure, the processor-readable storage medium 1506 may include communication management software / instructions 1552 configured for various functions, including, for example, performing communication with a DSDS UE via at least one of a first subscription or a second subscription over a communication link using frequency resources. For example, the communication management software / instructions 1552 may be configured to implement the following in conjunction with Figure 16-17One or more of the described functions (eg, including blocks 1606 and 1712).

[0264] In some aspects of the present disclosure, the communication management software / instructions 1552 may be configured for various functions, including, for example, using one of the first subscription or the second subscription to send first control information associated with the first subscription and the first subscription identifier and second control information associated with the second subscription and the second subscription identifier. For example, the communication management software / instructions 1552 may be configured to implement the following in combination with Fig.17 One or more of the functions described (eg, including block 1706).

[0265] In some aspects of the present disclosure, the communication management software / instructions 1552 may be configured for various functions, including, for example, sending, using a first subscription, first control information associated with a first subscription based on a first subscription identifier over a first communication link via a first frequency resource. For example, the communication management software / instructions 1552 may be configured to implement the following in conjunction with Fig.17 One or more of the functions described (eg, including block 1710).

[0266] In some aspects of the present disclosure, the communication management software / instructions 1552 may be configured for various functions, including, for example, communicating via at least one of the first subscription or the second subscription using the second frequency resource. For example, the communication management software / instructions 1552 may be configured to implement the following in combination with Figure 18-19 One or more of the described functions (eg, including blocks 1808 and 1914).

[0267] In some aspects of the present disclosure, the communication management software / instructions 1552 may be configured for various functions, including, for example, sending one or more reference signals for mobility measurement to the DSDS UE via the first subscription using the first frequency resource. For example, the communication management software / instructions 1552 may be configured to implement the following in combination with Fig.19 One or more of the described functions (eg, including block 1904).

[0268] In some aspects of the present disclosure, the communication management software / instructions 1552 may be configured for various functions, including, for example, performing a first communication via a first subscription using a second frequency resource after changing the first connection and before changing the second connection, and performing a second communication via a second subscription using the first frequency resource. For example, the communication management software / instructions 1552 may be configured to implement the following in conjunction with Fig.19 One or more of the described functions (eg, including block 1908).

[0269] In some aspects of the present disclosure, the communication management software / instructions 1552 may be configured for various functions, including, for example, receiving an indication of a second frequency resource as a target frequency resource after changing the first connection and before changing the second connection. For example, the communication management software / instructions 1552 may be configured to implement the following in combination with Fig.19 One or more of the functions described (eg, including block 1910).

[0270] Fig.16 1 is a flow chart illustrating an example process 1600 for wireless communication of a base station according to some aspects of the present disclosure. As described below, some or all of the illustrated features may be omitted in certain implementations within the scope of the present disclosure, and some of the illustrated features may not be required for implementation of all embodiments. In some examples, the process 1600 may be performed by, for example, Fig.15 In some examples, the process 1600 may be performed by any suitable device or unit for performing the functions or algorithms described below.

[0271] At block 1602, process 1600 includes establishing a first connection over a communication link via a first subscription of a DSDS user equipment (UE) using frequency resources, the DSDS UE being configured to communicate with at least two subscriptions.

[0272] At block 1604, process 1600 includes establishing a second connection over the communication link via a second subscription of the DSDS UE using the frequency resources.

[0273] At block 1606, process 1600 includes performing communications with the DSDS UE via at least one of the first subscription or the second subscription over the communication link using the frequency resources.

[0274] In one configuration, the base station 1500 may include: a unit for establishing a first connection via a first subscription of a dual user identity module (SIM) dual standby (DSDS) user equipment (UE) using frequency resources through a communication link, the DSDS UE being configured to communicate with at least two subscriptions; a unit for establishing a second connection via a second subscription of the DSDS UE using frequency resources through the communication link; and a unit for performing communication with the DSDS UE via at least one of the first subscription or the second subscription through the communication link using frequency resources. In one aspect, the aforementioned units may be Fig.15 The processor 1504 shown in is configured to perform the functions described by the aforementioned units. In another aspect, the aforementioned units may be circuits or any devices configured to perform the functions described by the aforementioned units.

[0275] Of course, in the above example, only the circuits included in the processor 1504 are provided as examples, and other units for performing the described functions may be included in various aspects of the present disclosure, including but not limited to instructions stored in the processor readable storage medium 1506, or Figure 1 , 2 , 3, 5 and / or any other suitable device or unit described in any of FIG. 8, and using, for example, the present invention with respect to Fig.16 The processes and / or algorithms described.

[0276] Fig.17 1 is a flow chart illustrating an example process 1700 for wireless communication of a base station according to some aspects of the present disclosure. As described below, some or all of the illustrated features may be omitted in certain implementations within the scope of the present disclosure, and some of the illustrated features may not be required for implementation of all embodiments. In some examples, the process 1700 may be performed by, for example, Fig.15 In some examples, the process 1700 may be performed by any suitable device or unit for performing the functions or algorithms described below.

[0277] At block 1702, process 1700 includes establishing a first connection over a communication link via a first subscription of a DSDS user equipment (UE) using frequency resources, the DSDS UE being configured to communicate with at least two subscriptions.

[0278] At block 1704, process 1700 includes establishing a second connection over the communication link via a second subscription of the DSDS UE using the frequency resources.

[0279] In one aspect, the first connection and the second connection may be established with the base station using the same RAT. In one aspect, the communication link may be a frequency channel between the DSDS UE and the base station.

[0280] At block 1706, process 1700 may include sending, using one of the first subscription or the second subscription, first control information associated with the first subscription and the first subscription identifier and second control information associated with the second subscription and the second subscription identifier.

[0281] In one aspect, the first control information and the second control information may be a first DCI and a second DCI, respectively, wherein sending the first control information and the second control information may include sending a PDCCH with a first subscription identifier for the first DCI and a second subscription identifier for the second DCI. In one aspect, the first subscription identifier may be a first C-RNTI, and the second subscription identifier may be a second C-RNTI.

[0282] At block 1708, process 1700 may include changing the first connection for the first subscription by switching from first frequency resources on the first communication link to second frequency resources on the second communication link for the first connection.

[0283] At block 1710 , process 1700 may include sending, using the first subscription, first control information associated with the first subscription based on a first subscription identifier over a first communication link via a first frequency resource.

[0284] In one aspect, second control information associated with a second subscription may be sent based on a second subscription identifier over a second communication link via second frequency resources.

[0285] At block 1712, process 1700 includes performing communications with the DSDS UE via at least one of the first subscription or the second subscription over the communication link using the frequency resources.

[0286] In one aspect, communication with the DSDS UE may be performed based on the first control information and the second control information.

[0287] In one aspect, performing the communication may include: receiving uplink communication based on at least one of the first control information or the second control information associated with at least one of the first subscription or the second subscription, respectively, if at least one of the first control information or the second control information includes an uplink scheduling grant; performing downlink communication based on at least one of the first control information or the second control information associated with at least one of the first subscription or the second subscription, respectively, if at least one of the first control information or the second control information includes a downlink scheduling assignment. In one aspect, the uplink communication may be a PUSCH communication, and the downlink communication may be a PDSCH communication.

[0288] In one configuration, the base station 1500 may include: a unit for establishing a first connection through a communication link via a first subscription of a DSDS user equipment (UE) using frequency resources, the DSDS UE being configured to communicate with at least two subscriptions; a unit for establishing a second connection through a communication link via a second subscription of the DSDS UE using frequency resources; a unit for performing communication with the DSDS UE through the communication link via at least one of the first subscription or the second subscription using frequency resources. The base station 1500 may also include: a unit for sending first control information associated with the first subscription and the first subscription identifier and second control information associated with the second subscription and the second subscription identifier using one of the first subscription or the second subscription; a unit for changing the first connection for the first subscription by switching from the first frequency resource on the first communication link to the second frequency resource on the second communication link for the first connection; a unit for sending the first control information associated with the first subscription based on the first subscription identifier on the first communication link via the first frequency resource using the first subscription. In one aspect, the aforementioned unit may be Fig.15 The processor 1504 shown in is configured to perform the functions described by the aforementioned units. In another aspect, the aforementioned units may be circuits or any devices configured to perform the functions described by the aforementioned units.

[0289] Of course, in the above example, only the circuits included in the processor 1504 are provided as examples, and other units for performing the described functions may be included in various aspects of the present disclosure, including but not limited to instructions stored in the processor readable storage medium 1506, or Figure 1 , 2 , 3, 5 and / or any other suitable device or unit described in any of FIG. 8, and using, for example, the present invention with respect to Fig.17 The processes and / or algorithms described.

[0290] Fig.18 1 is a flow chart illustrating an example process 1800 for wireless communication of a base station according to some aspects of the present disclosure. As described below, some or all of the illustrated features may be omitted in certain implementations within the scope of the present disclosure, and some of the illustrated features may not be required for implementation of all embodiments. In some examples, the process 1800 may be performed by, for example, Fig.15 In some examples, the process 1800 may be performed by any suitable device or unit for performing the functions or algorithms described below.

[0291] At block 1802, process 1800 includes establishing a first connection via a first subscription of a DSDS user equipment (UE) and establishing a second connection via a second subscription of the DSDS UE using first frequency resources for the first subscription and the second subscription, the DSDS UE being configured to communicate with at least two subscriptions.

[0292] At block 1804, process 1800 includes changing a first connection for a first subscription by switching from a first frequency resource to a second frequency resource for the first connection.

[0293] At block 1806, process 1800 includes, in response to changing the first connection for the first subscription, changing a second connection for the second subscription by switching from the first frequency resources to the second frequency resources for the second connection.

[0294] At block 1808, process 1800 includes communicating via at least one of the first subscription or the second subscription using the second frequency resource.

[0295] In one configuration, the base station 1500 may include: a unit for establishing a first connection via a first subscription of a DSDS user equipment (UE) using a first frequency resource for a first subscription and a second subscription, and establishing a second connection via a second subscription of the DSDS UE, the DSDS UE being configured to communicate with at least two subscriptions; a unit for changing the first connection for the first subscription by switching from the first frequency resource to the second frequency resource for the first connection; a unit for changing the second connection for the second subscription by switching from the first frequency resource to the second frequency resource for the second connection in response to changing the first connection for the first subscription; and a unit for communicating via at least one of the first subscription or the second subscription using the second frequency resource. In one aspect, the aforementioned units may be Fig.15 The processor 1504 shown in is configured to perform the functions described by the aforementioned units. In another aspect, the aforementioned units may be circuits or any devices configured to perform the functions described by the aforementioned units.

[0296] Of course, in the above example, only the circuits included in the processor 1504 are provided as examples, and other units for performing the described functions may be included in various aspects of the present disclosure, including but not limited to instructions stored in the processor readable storage medium 1506, or Figure 1 , 2 , 3, 5 and / or any other suitable device or unit described in any of FIG. 8, and using, for example, the present invention with respect to Fig.18 The processes and / or algorithms described.

[0297] Fig.19 1 is a flow chart illustrating an example process 1900 for wireless communication of a base station according to some aspects of the present disclosure. As described below, some or all of the illustrated features may be omitted in certain implementations within the scope of the present disclosure, and some of the illustrated features may not be required for implementation of all embodiments. In some examples, the process 1900 may be performed by, for example, Fig.15 In some examples, the process 1900 may be performed by any suitable device or unit for performing the functions or algorithms described below.

[0298] At block 1902, process 1900 includes establishing a first connection via a first subscription of a DSDS user equipment (UE) using first frequency resources for a first subscription and a second subscription, and establishing a second connection via a second subscription of the DSDS UE, the DSDS UE being configured to communicate with at least two subscriptions. In one aspect, the first connection and the second connection may be established with a base station using the same RAT.

[0299] At block 1904, process 1900 may include sending one or more reference signals for mobility measurements to the DSDS UE via a first subscription using a first frequency resource.

[0300] At block 1906, process 1900 includes changing the first connection for the first subscription by switching from the first frequency resources to the second frequency resources for the first connection.

[0301] In one aspect, changing the first connection for the first subscription may be based on a mobility measurement.

[0302] At block 1908, process 1900 may include, after changing the first connection and before changing the second connection, performing the first communication via the first subscription using the second frequency resources and performing the second communication via the second subscription using the first frequency resources.

[0303] At block 1910, process 1900 may include, after changing the first connection and before changing the second connection, receiving an indication of a second frequency resource as a target frequency resource.

[0304] At block 1912, process 1900 includes, in response to changing the first connection for the first subscription, changing a second connection for the second subscription by switching from the first frequency resources to the second frequency resources for the second connection.

[0305] In one aspect, changing the second connection may be based on the indication.

[0306] At block 1914, process 1900 includes communicating via at least one of the first subscription or the second subscription using the second frequency resource.

[0307] In one configuration, the base station 1500 may include: a unit for establishing a first connection via a first subscription of a DSDS user equipment (UE) using a first frequency resource for a first subscription and a second subscription, and establishing a second connection via a second subscription of the DSDS UE, the DSDS UE being configured to communicate with at least two subscriptions; a unit for changing the first connection for the first subscription by switching from the first frequency resource to the second frequency resource for the first connection; a unit for changing the second connection for the second subscription by switching from the first frequency resource to the second frequency resource for the second connection in response to changing the first connection for the first subscription; a unit for communicating via at least one of the first subscription or the second subscription using the second frequency resource. The base station 1500 may also include: a unit for sending one or more reference signals for mobility measurement to the DSDS UE via the first subscription using the first frequency resource; a unit for performing a first communication via the first subscription using the second frequency resource after changing the first connection and before changing the second connection, and performing a second communication via the second subscription using the first frequency resource; a unit for receiving an indication of the second frequency resource as a target frequency resource after changing the first connection and before changing the second connection. In one aspect, the aforementioned unit can be Fig.15 The processor 1504 shown in is configured to perform the functions described by the aforementioned units. In another aspect, the aforementioned units may be circuits or any devices configured to perform the functions described by the aforementioned units.

[0308] Of course, in the above example, only the circuits included in the processor 1504 are provided as examples, and other units for performing the described functions may be included in various aspects of the present disclosure, including but not limited to instructions stored in the processor readable storage medium 1506, or Figure 1 , 2 , 3, 5 and / or any other suitable device or unit described in any of FIG. 8, and using, for example, the present invention with respect to Fig.19 The processes and / or algorithms described.

[0309] Some aspects of wireless communication networks are presented with reference to exemplary implementations. As will be readily appreciated by those skilled in the art, various aspects described throughout this disclosure may be extended to other telecommunication systems, network architectures and communication standards.

[0310] For example, various aspects may be implemented in other systems specified by 3GPP, such as Long Term Evolution (LTE), Evolved Packet System (EPS), Universal Mobile Telecommunications System (UMTS), and / or Global System for Mobile Communications (GSM). Various aspects may also be extended to systems specified by the Third Generation Partnership Project 2 (3GPP2), such as CDMA2000 and / or Evolution Data Optimized (EV-DO). Other examples may be implemented in systems using IEEE 802.11 (Wi-Fi), IEEE 802.16 (WiMAX), IEEE802.20, Ultra Wideband (UWB), Bluetooth, and / or other appropriate systems. The actual telecommunication standard, network architecture, and / or communication standard used depends on the specific application and all design constraints imposed on the system.

[0311] In the present disclosure, the word "exemplary" is used to mean "serving as an example, illustration or illustration". Any implementation or aspect described herein as "exemplary" should not be interpreted as being more preferred or advantageous than other aspects of the present disclosure. Similarly, the word "aspect" does not require that all aspects of the present disclosure include the discussed features, advantages or modes of operation. The word "coupled" is used herein to refer to a direct coupling or an indirect coupling between two objects. For example, if object A physically contacts object B, and object B contacts object C, objects A and C can still be considered to be coupled to each other, even if they are not in direct physical contact with each other. For example, a first object can be coupled to a second object, even if the first object has never been in direct physical contact with the second object. The terms "circuit" and "electronic circuit" are used in a broad sense, and they are intended to include hardware implementations of electronic devices and conductors (wherein when these electronic devices and conductors are connected and configured, the execution of the functions described in the present disclosure is achieved, without being a limitation on the type of electronic circuit) and software implementations of information and instructions (wherein when these information and instructions are executed by a processor, the execution of the functions described in the present disclosure is achieved).

[0312] Can Figure 1-19 One or more of the components, steps, features and / or functions shown in the embodiment may be rearranged and / or combined into a single component, step, feature or function, or may be embodied in several components, steps or functions. In addition, additional elements, components, steps and / or functions may be added without departing from the novel features disclosed herein. Figure 1-19 The devices, apparatuses and / or components shown in the can be configured to perform one or more of the methods, features or steps described herein. The novel algorithms described herein can also be efficiently implemented using software and / or embedded in hardware.

[0313] It should be understood that the specific order or step hierarchy in the methods disclosed herein is only an example of exemplary processing. It should be understood that the specific order or step hierarchy in these methods can be rearranged according to design preferences. The attached method claims provide the elements of various steps in an exemplary order, but do not mean that they are limited to the specific order or hierarchy provided, unless explicitly stated herein.

[0314] To enable any person of ordinary skill in the art to implement the various aspects described herein, the above description is centered around the various aspects. Various modifications to these aspects are obvious to those of ordinary skill in the art, and the general principles defined herein may also be applied to other aspects. Therefore, the present invention is not limited to the aspects shown herein, but is consistent with the full scope of the present invention, wherein, unless otherwise specified, modifying a component in the singular form does not mean "one and only one", but may be "one or more". Unless otherwise specifically stated, the term "some" refers to one or more. A phrase referring to "at least one of" a list item refers to any combination of these items, including a single member. For example, "at least one of a, b, or c" is intended to cover: a; b; c; a and b; a and c; b and c; and a and b and c. All structural and functional equivalents of the components of the various aspects described throughout the present disclosure are expressly incorporated herein by reference and are intended to be covered by the claims, and these structural and functional equivalents are known or will be known to those of ordinary skill in the art. Moreover, nothing disclosed herein is intended to be dedicated to the public regardless of whether such disclosure is explicitly recited in the claims.

Claims

1. A method of wireless communication by a dual subscriber identity module (SIM) dual standby (DSDS) user equipment (UE), wherein the DSDS UE is configured to communicate with at least two subscriptions, the method comprising: Using the frequency resources, establishing a first connection with the base station through the communication link via the first subscription; using the frequency resources to establish a second connection with the base station through the communication link via a second subscription; performing communication with the base station via at least one of the first subscription or the second subscription over the communication link using the frequency resources; changing the first connection for the first subscription by switching, for the first connection, from a first frequency resource on a first communication link to a second frequency resource on a second communication link; monitoring, using the first subscription, via the first frequency resource, over a first communication link, first control information associated with the first subscription based on a first subscription identifier; as well as Using the second subscription, over a second communication link via the second frequency resource, second control information associated with the second subscription is monitored based on a second subscription identifier.

2. The method according to claim 1, further comprising: using one of the first subscription and the second subscription, monitoring first control information associated with the first subscription based on a first subscription identifier, and monitoring second control information associated with the second subscription based on a second subscription identifier, The communication with the base station is performed based on monitoring the first control information and the second control information.

3. The method according to claim 2, wherein: The first control information and the second control information are first downlink control information (DCI) and second DCI, respectively, and Wherein, monitoring the first control information and the second control information includes: A physical downlink control channel (PDCCH) is monitored with the first subscription identifier for the first DCI and with the second subscription identifier for the second DCI.

4. The method according to claim 2, wherein: The first subscription identifier is a first Cell Radio Network Temporary Identifier (C-RNTI) and the second subscription identifier is a second C-RNTI.

5. The method according to claim 2, wherein: Performing the communication includes: If at least one of the first control information or the second control information includes an uplink scheduling grant, performing uplink communication based on the at least one of the first control information or the second control information associated with the at least one of the first subscription or the second subscription, respectively; and If the at least one of the first control information or the second control information includes a downlink scheduling assignment, receiving a downlink communication based on the at least one of the first control information or the second control information associated with the at least one of the first subscription or the second subscription, respectively.

6. The method according to claim 5, wherein: The uplink communication is a physical uplink shared channel (PUSCH) communication, and the downlink communication is a physical downlink shared channel (PDSCH) communication.

7. The method according to claim 2, further comprising: Determining that the one of the first subscription and the second subscription is a primary subscription is based on one or more of the following: determining whether one or more of the first subscription and the second subscription is a primary data subscription, determining which of the first subscription and the second subscription has first entered connected mode, determining which of the first subscription and the second subscription has entered idle mode, and Determine a type of first data transmitted via the first subscription and a type of second data transmitted via the second subscription, wherein, in response to determining that the one of the first subscription and the second subscription is the primary subscription, use the one of the first subscription and the second subscription to monitor the first control information and the second control information.

8. The method according to claim 7, wherein: The type of data transmitted via the first subscription indicates a first priority, and the type of data transmitted via the second subscription indicates a second priority, and Wherein, based on the first priority associated with the first data and the second priority associated with the second data, the one of the first subscription and the second subscription is determined as the primary subscription.

9. The method according to claim 7, further comprising: In response to determining that the one of the first subscription and the second subscription has entered an idle mode and the other of the first subscription and the second subscription is in a connected mode, the primary subscription is changed to the other of the first subscription and the second subscription.

10. The method according to claim 9, further comprising: In response to determining that the one of the first subscription and the second subscription has entered a connected mode, the primary subscription is changed back to the one of the first subscription and the second subscription.

11. The method according to claim 1, wherein: The first connection and the second connection are established with the base station using the same radio access technology (RAT).

12. The method according to claim 1, wherein: The communication link is a frequency channel between the DSDS UE and the base station.

13. The method according to claim 1, wherein: Performing communication with the base station includes: A first downlink communication via the first subscription and a second downlink communication via the second subscription are simultaneously received over the communication link using the frequency resources.

14. A dual subscriber identity module (SIM) dual standby (DSDS) user equipment (UE) configured to communicate with at least two subscriptions to enable wireless communication, comprising: at least one processor; a transceiver communicatively coupled to the at least one processor; as well as a memory communicatively coupled to the at least one processor, Wherein, the at least one processor is configured to: Using the frequency resources, establishing a first connection with the base station through the communication link via the first subscription; using the frequency resources to establish a second connection with the base station through the communication link via a second subscription; performing communication with the base station via at least one of the first subscription or the second subscription over the communication link using the frequency resources; changing the first connection for the first subscription by switching, for the first connection, from a first frequency resource on a first communication link to a second frequency resource on a second communication link; monitoring, using the first subscription, via the first frequency resource, over a first communication link, first control information associated with the first subscription based on a first subscription identifier; and Using the second subscription, over a second communication link via the second frequency resource, second control information associated with the second subscription is monitored based on a second subscription identifier.

15. A non-transitory processor-readable storage medium having instructions thereon for a dual subscriber identity module (SIM) dual standby (DSDS) user equipment (UE), wherein the DSDS UE is configured to communicate with at least two subscriptions, wherein: When the instructions are executed by the processing circuit, the processing circuit performs the following operations: Using the frequency resources, establishing a first connection with the base station through the communication link via the first subscription; using the frequency resources to establish a second connection with the base station through the communication link via a second subscription; performing communication with the base station via at least one of the first subscription or the second subscription over the communication link using the frequency resources; changing the first connection for the first subscription by switching, for the first connection, from a first frequency resource on a first communication link to a second frequency resource on a second communication link; monitoring, using the first subscription, via the first frequency resource, over a first communication link, first control information associated with the first subscription based on a first subscription identifier; as well as Using the second subscription, over a second communication link via the second frequency resource, second control information associated with the second subscription is monitored based on a second subscription identifier.

16. A dual subscriber identity module (SIM) dual standby (DSDS) user equipment (UE) configured to communicate with at least two subscriptions to enable wireless communication, comprising: means for establishing a first connection with a base station via a communication link using frequency resources via a first subscription; means for establishing a second connection with the base station over the communication link via a second subscription using the frequency resources; means for performing communication with the base station via at least one of the first subscription or the second subscription over the communication link using the frequency resources; means for changing the first connection for the first subscription by switching, for the first connection, from a first frequency resource on a first communication link to a second frequency resource on a second communication link; means for monitoring, using the first subscription, over a first communication link via the first frequency resource, first control information associated with the first subscription based on a first subscription identifier; as well as Means for monitoring second control information associated with the second subscription based on a second subscription identifier over a second communication link via the second frequency resource using the second subscription.

17. A method of wirelessly communicating by a dual subscriber identity module (SIM) dual standby (DSDS) user equipment (UE) configured to communicate with at least two subscriptions, comprising: using first frequency resources for the first subscription and the second subscription, establishing a first connection with the base station via the first subscription, and establishing a second connection with the base station via the second subscription; changing the first connection for the first subscription by switching from the first frequency resource to a second frequency resource for the first connection; In response to changing the first connection for the first subscription, changing the second connection for a second subscription by switching from the first frequency resource to the second frequency resource for the second connection; performing communication via at least one of the first subscription or the second subscription using the second frequency resource; monitoring, using the first subscription, via the first frequency resource, over a first communication link, first control information associated with the first subscription based on a first subscription identifier; as well as Using the second subscription, over a second communication link via the second frequency resource, second control information associated with the second subscription is monitored based on a second subscription identifier.

18. The method according to claim 17, further comprising: performing mobility measurements via the first subscription using the first frequency resource, Wherein changing the first connection for the first subscription is based on the mobility measurement.

19. The method according to claim 17, wherein: The first frequency resource is associated with at least one of: a first cell associated with the base station, or a first bandwidth part (BWP) of the first cell, and The second frequency resource is associated with at least one of the following: a second cell associated with a second base station, or a second BWP of the first cell.

20. The method of claim 17, further comprising: After changing the first connection and before changing the second connection, a first communication is performed via the first subscription using the second frequency resources, and a second communication is performed via the second subscription using the first frequency resources.

21. The method of claim 17, further comprising: After changing the first connection and before changing the second connection, sending an indication to the base station that the second frequency resource is used as a target frequency resource, Wherein, changing the second connection is based on sending the indication.

22. The method according to claim 21, wherein: The indication is sent via UE assistance information.

23. The method of claim 18, further comprising: The first subscription is determined to be a primary subscription based on one or more of the following: determining whether one or more of the first subscription and the second subscription is a primary data subscription, determining which of the first subscription and the second subscription has first entered connected mode, determining which of the first subscription and the second subscription has entered idle mode, and A type of first data transmitted via the first subscription and a type of second data transmitted via the second subscription are determined, wherein the mobility measurement is performed via the first subscription in response to determining that the first subscription is the primary subscription.

24. The method according to claim 23, wherein: a type of the first data transmitted via the first subscription indicates a first priority, and a type of the second data transmitted via the second subscription indicates a second priority, and Wherein, based on the first priority associated with the first data and the second priority associated with the second data, the first subscription is determined as the primary subscription.

25. The method of claim 23, further comprising: In response to determining that the first subscription has entered an idle mode and the second subscription is in a connected mode, the primary subscription is changed to the second subscription.

26. The method according to claim 25, further comprising: In response to determining that the first subscription has entered a connected mode, the primary subscription is changed back to the first subscription.

27. The method of claim 17, wherein: The first connection and the second connection are established with the base station using the same radio access technology (RAT).

28. A dual subscriber identity module (SIM) dual standby (DSDS) user equipment (UE) configured to communicate with at least two subscriptions to enable wireless communication, comprising: at least one processor; a transceiver communicatively coupled to the at least one processor; as well as a memory communicatively coupled to the at least one processor, Wherein, the at least one processor is configured to: using first frequency resources for a first subscription and a second subscription, establishing a first connection with a base station via the first subscription, and establishing a second connection with the base station via the second subscription; changing the first connection for the first subscription by switching from the first frequency resource to a second frequency resource for the first connection; In response to changing the first connection for the first subscription, changing the second connection for a second subscription by switching from the first frequency resource to the second frequency resource for the second connection; performing communication via at least one of the first subscription or the second subscription using the second frequency resource; monitoring, using the first subscription, over a first communication link via the first frequency resource, first control information associated with the first subscription based on a first subscription identifier; and Using the second subscription, over a second communication link via the second frequency resource, second control information associated with the second subscription is monitored based on a second subscription identifier.

29. A non-transitory processor-readable storage medium having instructions thereon for a dual subscriber identity module (SIM) dual standby (DSDS) user equipment (UE), wherein the DSDS UE is configured to communicate with at least two subscriptions, wherein: When the instructions are executed by the processing circuit, the processing circuit performs the following operations: using first frequency resources for a first subscription and a second subscription, establishing a first connection with a base station via the first subscription, and establishing a second connection with the base station via the second subscription; changing the first connection for the first subscription by switching from the first frequency resource to a second frequency resource for the first connection; In response to changing the first connection for the first subscription, changing the second connection for a second subscription by switching from the first frequency resource to the second frequency resource for the second connection; performing communication via at least one of the first subscription or the second subscription using the second frequency resource; monitoring, using the first subscription, via the first frequency resource, over a first communication link, first control information associated with the first subscription based on a first subscription identifier; as well as Using the second subscription, over a second communication link via the second frequency resource, second control information associated with the second subscription is monitored based on a second subscription identifier.

30. A dual subscriber identity module (SIM) dual standby (DSDS) user equipment (UE) configured to communicate with at least two subscriptions to enable wireless communication, comprising: means for establishing a first connection with a base station via the first subscription and a second subscription using first frequency resources for a first subscription and a second subscription, and establishing a second connection with the base station via the second subscription; means for changing the first connection for the first subscription by switching from the first frequency resource to a second frequency resource for the first connection; means for changing the second connection for a second subscription by switching from the first frequency resources to the second frequency resources for the second connection in response to changing the first connection for the first subscription; means for performing communications via at least one of the first subscription or the second subscription using the second frequency resources; means for monitoring, using the first subscription, over a first communication link via the first frequency resource, first control information associated with the first subscription based on a first subscription identifier; as well as Means for monitoring second control information associated with the second subscription based on a second subscription identifier over a second communication link via the second frequency resource using the second subscription.

31. A method for wireless communication by a base station, comprising: establishing a first connection over a communication link via a first subscription of a dual subscriber identity module (SIM) dual standby (DSDS) user equipment (UE) using frequency resources, the DSDS UE being configured to communicate with at least two subscriptions; Using the frequency resources, via a second subscription of the DSDS UE, establishing a second connection through the communication link; performing communication with the DSDS UE via at least one of the first subscription or the second subscription over the communication link using the frequency resources; changing the first connection for the first subscription by switching, for the first connection, from a first frequency resource on a first communication link to a second frequency resource on a second communication link; as well as using the first subscription, sending first control information associated with the first subscription based on a first subscription identifier over a first communication link via the first frequency resource, Wherein, second control information associated with the second subscription is sent based on a second subscription identifier via the second frequency resource and on a second communication link.

32. The method of claim 31 further comprising: using one of the first subscription or the second subscription to send first control information associated with the first subscription and a first subscription identifier and second control information associated with the second subscription and a second subscription identifier, Wherein, communication with the DSDS UE is performed based on the first control information and the second control information.

33. The method of claim 32, wherein: The first control information and the second control information are first downlink control information (DCI) and second DCI, respectively, and The sending of the first control information and the second control information includes: A physical downlink control channel (PDCCH) is transmitted with the first subscription identifier for the first DCI and with the second subscription identifier for the second DCI.

34. The method of claim 32, wherein: The first subscription identifier is a first Cell Radio Network Temporary Identifier (C-RNTI) and the second subscription identifier is a second C-RNTI.

35. The method of claim 32, wherein: Performing the communication includes: receiving uplink communications based on the at least one of the first control information or the second control information associated with the at least one of the first subscription or the second subscription, respectively, if at least one of the first control information or the second control information includes an uplink scheduling grant; and If the at least one of the first control information or the second control information includes a downlink scheduling assignment, downlink communication is performed based on the at least one of the first control information or the second control information associated with the at least one of the first subscription or the second subscription, respectively.

36. The method of claim 35, wherein: The uplink communication is a physical uplink shared channel (PUSCH) communication, and the downlink communication is a physical downlink shared channel (PDSCH) communication.

37. The method of claim 31, wherein: The first connection and the second connection are established with the base station using the same radio access technology (RAT).

38. The method of claim 31, wherein: The communication link is a frequency channel between the DSDS UE and the base station.

39. A base station for wireless communication, comprising: at least one processor; a transceiver communicatively coupled to the at least one processor; as well as a memory communicatively coupled to the at least one processor, Wherein, the at least one processor is configured to: establishing a first connection over a communication link via a first subscription of a dual subscriber identity module (SIM) dual standby (DSDS) user equipment (UE) using frequency resources, the DSDS UE being configured to communicate with at least two subscriptions; Using the frequency resources, via a second subscription of the DSDS UE, establishing a second connection through the communication link; performing communication with the DSDS UE via at least one of the first subscription or the second subscription over the communication link using the frequency resources; changing the first connection for the first subscription by switching, for the first connection, from a first frequency resource on a first communication link to a second frequency resource on a second communication link; and using the first subscription, sending first control information associated with the first subscription based on a first subscription identifier over a first communication link via the first frequency resource, Wherein, second control information associated with the second subscription is sent based on a second subscription identifier via the second frequency resource and on a second communication link.

40. A non-transitory processor-readable storage medium having instructions thereon for a base station, wherein: When the instructions are executed by the processing circuit, the processing circuit performs the following operations: establishing a first connection over a communication link via a first subscription of a dual subscriber identity module (SIM) dual standby (DSDS) user equipment (UE) using frequency resources, the DSDS UE being configured to communicate with at least two subscriptions; Using the frequency resources, via a second subscription of the DSDS UE, establishing a second connection through the communication link; performing communication with the DSDS UE via at least one of the first subscription or the second subscription over the communication link using the frequency resources; changing the first connection for the first subscription by switching, for the first connection, from a first frequency resource on a first communication link to a second frequency resource on a second communication link; as well as using the first subscription, sending first control information associated with the first subscription based on a first subscription identifier over a first communication link via the first frequency resource, Wherein, second control information associated with the second subscription is sent based on a second subscription identifier via the second frequency resource and on a second communication link.

41. A base station for wireless communication, comprising: means for establishing a first connection via a communication link using frequency resources via a first subscription of a dual subscriber identity module (SIM) dual standby (DSDS) user equipment (UE), the DSDS UE being configured to communicate with at least two subscriptions; means for establishing a second connection through the communication link using the frequency resources via a second subscription of the DSDS UE; means for performing communication with the DSDS UE via at least one of the first subscription or the second subscription over the communication link using the frequency resources; means for changing the first connection for the first subscription by switching, for the first connection, from a first frequency resource on a first communication link to a second frequency resource on a second communication link; as well as means for sending first control information associated with the first subscription based on a first subscription identifier over a first communication link via the first frequency resource using the first subscription, Wherein, second control information associated with the second subscription is sent based on a second subscription identifier via the second frequency resource and on a second communication link.

42. A method for wireless communication by a base station, comprising: establishing a first connection via a dual subscriber identity module (SIM) dual standby (DSDS) user equipment (UE) of the first subscription and establishing a second connection via the second subscription of the DSDS UE using a first frequency resource for a first subscription and a second subscription, the DSDS UE being configured to communicate with at least two subscriptions; changing the first connection for the first subscription by switching from the first frequency resource to a second frequency resource for the first connection; In response to changing the first connection for the first subscription, changing the second connection for the second subscription by switching from the first frequency resource to the second frequency resource for the second connection; performing communication via at least one of the first subscription or the second subscription using the second frequency resource; as well as using the first subscription, sending first control information associated with the first subscription based on a first subscription identifier over a first communication link via the first frequency resource, Wherein, second control information associated with the second subscription is sent based on a second subscription identifier via the second frequency resource and on a second communication link.

43. The method of claim 42, further comprising: using the first frequency resource, sending one or more reference signals for mobility measurement to the DSDS UE via the first subscription, Wherein changing the first connection for the first subscription is based on the mobility measurement.

44. The method of claim 42, wherein: The first frequency resource is associated with at least one of: a first cell associated with the base station, or a first bandwidth part (BWP) of the first cell, and The second frequency resource is associated with at least one of the following: a second cell associated with a second base station, or a second BWP of the first cell.

45. The method of claim 42, further comprising: After changing the first connection and before changing the second connection, a first communication is performed via the first subscription using the second frequency resources, and a second communication is performed via the second subscription using the first frequency resources.

46. ​​The method of claim 42, further comprising: receiving an indication of the second frequency resource as a target frequency resource after changing the first connection and before changing the second connection, Wherein changing the second connection is based on the indication.

47. The method of claim 46, wherein: The indication is received via UE assistance information.

48. The method of claim 42, wherein: The first connection and the second connection are established with the base station using the same radio access technology (RAT).

49. A base station for wireless communication, comprising: at least one processor; a transceiver communicatively coupled to the at least one processor; as well as a memory communicatively coupled to the at least one processor, Wherein, the at least one processor is configured to: establishing a first connection via a dual subscriber identity module (SIM) dual standby (DSDS) user equipment (UE) of the first subscription and establishing a second connection via the second subscription of the DSDS UE using a first frequency resource for a first subscription and a second subscription, the DSDS UE being configured to communicate with at least two subscriptions; changing the first connection for the first subscription by switching from the first frequency resource to a second frequency resource for the first connection; In response to changing the first connection for the first subscription, changing the second connection for the second subscription by switching from the first frequency resource to the second frequency resource for the second connection; performing communication via at least one of the first subscription or the second subscription using the second frequency resource; and using the first subscription, sending first control information associated with the first subscription based on a first subscription identifier over a first communication link via the first frequency resource, Wherein, second control information associated with the second subscription is sent based on a second subscription identifier via the second frequency resource and on a second communication link.

50. A non-transitory processor-readable storage medium having instructions thereon for a base station, wherein: When the instructions are executed by the processing circuit, the processing circuit performs the following operations: establishing a first connection via a dual subscriber identity module (SIM) dual standby (DSDS) user equipment (UE) of the first subscription and establishing a second connection via the second subscription of the DSDS UE using a first frequency resource for a first subscription and a second subscription, the DSDS UE being configured to communicate with at least two subscriptions; changing the first connection for the first subscription by switching from the first frequency resource to a second frequency resource for the first connection; In response to changing the first connection for the first subscription, changing the second connection for the second subscription by switching from the first frequency resource to the second frequency resource for the second connection; performing communication via at least one of the first subscription or the second subscription using the second frequency resource; as well as using the first subscription, sending first control information associated with the first subscription based on a first subscription identifier over a first communication link via the first frequency resource, Wherein, second control information associated with the second subscription is sent based on a second subscription identifier via the second frequency resource and on a second communication link.

51. A base station for wireless communication, comprising: means for establishing a first connection via a dual subscriber identity module (SIM) dual standby (DSDS) user equipment (UE) of the first subscription and establishing a second connection via the second subscription of the DSDS UE using first frequency resources for a first subscription and a second subscription, the DSDS UE being configured to communicate with at least two subscriptions; means for changing the first connection for the first subscription by switching from the first frequency resource to a second frequency resource for the first connection; means for changing the second connection for the second subscription by switching from the first frequency resources to the second frequency resources for the second connection in response to changing the first connection for the first subscription; means for performing communications via at least one of the first subscription or the second subscription using the second frequency resources; as well as means for sending first control information associated with the first subscription based on a first subscription identifier over a first communication link via the first frequency resource using the first subscription, Wherein, second control information associated with the second subscription is sent based on a second subscription identifier via the second frequency resource and on a second communication link.

Images