Cell indication for wake-up signal selection

Abstract

Methods, systems, and devices for wireless communication are described. A user equipment (UE) may receive a first indication prior to a first on-duration of a discontinuous reception cycle that the UE will remain in an inactive state during the first on-duration; the UE may receive a second indication prior to a second on-duration of the discontinuous reception cycle that the UE will transition to an active state during the second on-duration, wherein the second indication indicates one or more physical cell identifiers for the UE to communicate when in the active state based at least in part on the first indication that the UE will remain in an inactive state during the first on-duration. The UE may identify the one or more physical cell identifiers indicated in the second indication (Figures 3a to 3d).

Description

[0001] Cross-references

[0002] This patent application claims priority to U.S. patent application No. 17 / 243,356, entitled “WAKEUP SIGNAL SELECTED CELL INDICATION,” filed by ZHOU et al. on April 28, 2021, and U.S. provisional patent application No. 63 / 018,438, entitled “WAKEUP SIGNAL SELECTED CELL INDICATION,” filed by ZHOU et al. on April 30, 2020, each of which is assigned to the present assignee and expressly incorporated herein by reference. Technical Field

[0003] The following relates generally to wireless communications, and more particularly to cell indication for wake-up signal selection for mobility. Background Art

[0004] Wireless communication systems are widely deployed to provide various types of communication content, such as voice, video, packet data, messaging, broadcasting, etc. These systems may be able to support communication with multiple users by sharing available system resources (e.g., time, frequency, and power). Examples of such multiple access systems include fourth generation (4G) systems (e.g., long term evolution (LTE) systems, advanced LTE (LTE-A) systems, or LTE-A Pro systems) and fifth generation (5G) systems (which may be referred to as new radio (NR) systems). These systems may employ techniques such as code division multiple access (CDMA), time division multiple access (TDMA), frequency division multiple access (FDMA), orthogonal frequency division multiple access (OFDMA), or discrete Fourier transform extended orthogonal frequency division multiplexing (DFT-S-OFDM). A wireless multiple access communication system may include one or more base stations or one or more network access nodes, each base station or network access node simultaneously supporting communication with multiple communication devices, which may be referred to as user equipment (UE).

[0005] A UE may be configured with multiple candidate cells to communicate with a wireless communication network. The UE may be configured to communicate with a subset of candidate cells for a duration. Some techniques for configuring and managing UEs and subsets of candidate cells based on inter-cell mobility may be improved. Summary of the invention

[0006] The described technology relates to improved methods, systems, devices and apparatus for supporting cell indication of wake-up signal (WUS) selection for mobility. In general, the described technology provides various mechanisms for supporting wireless communication in a wireless network. In general, aspects of the described technology support various mechanisms to improve wake-up signaling when a user equipment (UE) operates in a discontinuous reception (DRX) cycle. In particular, the technology described herein provides various rules, processes, actions, etc. that can be implemented in the context of WUS, as well as other signaling options that replace purely WUS-based signaling. Examples of such technologies include, but are not limited to, WUS indicating a physical cell identifier (PCI) (multiple) when a previous WUS indicates that the UE will remain in an idle state. Another example includes configuring and applying a default configuration when the UE does not detect the WUS, for example, whether the UE will remain awake or return to sleep during the corresponding on-duration. In another example, the WUS can be used to carry or otherwise transmit an ACK / NACK resource. The UE can use the ACK / NACK resource to confirm the reception of the WUS, for example, the UE has successfully decoded the WUS. Another example includes the WUS indicating PCI(s) based on an offset between the WUS and the application time of the indicated PCI(s) (e.g., when the indicated PCI(s) are available for communication with the UE). Aspects of this example may be based on the capabilities of the UE. In another example, downlink control information (DCI) may be used to indicate PCI(s) during an on-duration following the WUS. Another example may include splitting the indication of PCI(s) between the WUS and a downlink signal sent during the on-duration following the WUS. Thus, the described techniques provide various mechanisms that may be implemented in a WUS scenario that may improve the information communicated by a wireless communication system, reduce signaling overhead, improve reliability, and the like.

[0007] A method of wireless communication at a UE is described. The method may include receiving, prior to a first on-duration of a DRX cycle, a first indication that the UE will remain in an inactive state during the first on-duration of the DRX cycle, receiving, prior to a second on-duration of the DRX cycle, a second indication that the UE will transition to an active state during the second on-duration, wherein the second indication is based on the first indication indicating that the UE will remain in an inactive state during the first on-duration, indicating one or more PCIs for the UE to communicate when in the active state, and identifying the one or more PCIs indicated in the second indication.

[0008] An apparatus for wireless communication at a UE is described. The apparatus may include a processor, a memory coupled to the processor, and instructions stored in the memory. The instructions may be executed by the processor to cause the apparatus to receive, before a first on-duration of a DRX cycle, a first indication that the UE will remain in an inactive state during the first on-duration of the DRX cycle, and before a second on-duration of the DRX cycle, receive a second indication that the UE will transition to an active state during the second on-duration, wherein the second indication is based on the first indication indicating that the UE will remain in an inactive state during the first on-duration, indicates one or more PCIs for the UE to communicate when in the active state, and identifies the one or more PCIs indicated in the second indication.

[0009] Another apparatus for wireless communication at a UE is described. The apparatus may include means for receiving, prior to a first on-duration of a DRX cycle, a first indication that the UE will remain in an inactive state of the DRX cycle during the first on-duration, receiving, prior to a second on-duration of the DRX cycle, a second indication that the UE will transition to an active state during the second on-duration, wherein the second indication is based on the first indication indicating that the UE will remain in an inactive state during the first on-duration, indicating one or more PCIs for the UE to communicate when in the active state, and identifying the one or more PCIs indicated in the second indication.

[0010] A non-transitory computer-readable medium storing code for wireless communication at a UE is described. The code may include instructions executable by a processor to receive, prior to a first on-duration of a DRX cycle, a first indication that the UE will remain in an inactive state of the DRX cycle during the first on-duration, receive, prior to a second on-duration of the DRX cycle, a second indication that the UE will transition to an active state during the second on-duration, wherein the second indication is based on the first indication indicating that the UE will remain in an inactive state during the first on-duration, indicate one or more PCIs for the UE to communicate when in the active state, and identify the one or more PCIs indicated in the second indication.

[0011] Some examples of the methods, apparatus, and non-transitory computer-readable media described herein may also include operations, features, components, or instructions for monitoring a reference signal associated with the identified one or more PCIs during a first on-duration, and sending a channel state report based on the monitoring during the first on-duration.

[0012] In some examples of the methods, apparatus, and non-transitory computer-readable media described herein, a channel state report may be sent to a base station associated with the first indication and the second indication.

[0013] Some examples of the methods, apparatus, and non-transitory computer-readable media described herein may also include operations, features, components, or instructions for performing a cell switching procedure with a serving cell associated with at least one of the identified one or more PCIs.

[0014] In some examples of the methods, apparatus, and non-transitory computer-readable media described herein, the serving cell includes at least one of one or more transmission reception points of the same serving cell or one or more serving cells in a candidate serving cell group.

[0015] In some examples of the methods, apparatus, and non-transitory computer-readable media described herein, the first indication may be received in a first WUS and the second indication may be received in a second WUS.

[0016] A method of wireless communication at a UE is described. The method may include receiving an indication prior to an on-duration of a DRX cycle that the UE will transition to an active state during the on-duration, identifying one or more PCIs for the UE to communicate during the on-duration based on the indication, the one or more PCIs being indicated based on activation periods associated with corresponding serving cells associated with the one or more PCIs, and communicating with at least one serving cell associated with the one or more PCIs during the on-duration.

[0017] An apparatus for wireless communication at a UE is described. The apparatus may include a processor, a memory coupled to the processor, and instructions stored in the memory. The instructions may be executed by the processor to cause the apparatus to receive an indication that the UE will transition to an active state during the on-duration before an on-duration of a DRX cycle, identify one or more PCIs for the UE to communicate during the on-duration based on the indication, the one or more PCIs are indicated based on an activation period associated with a corresponding serving cell associated with the one or more PCIs, and communicate with at least one serving cell associated with the one or more PCIs during the on-duration.

[0018] Another apparatus for wireless communication at a UE is described. The apparatus may include means for receiving an indication prior to an on-duration of a DRX cycle that the UE will transition to an active state during an on-duration, identifying one or more PCIs for the UE to communicate during the on-duration based on the indication, the one or more PCIs being indicated based on activation periods associated with corresponding serving cells associated with the one or more PCIs, and communicating with at least one serving cell associated with the one or more PCIs during the on-duration.

[0019] A non-transitory computer-readable medium storing code for wireless communication at a UE is described. The code may include instructions executable by a processor to receive an indication that the UE will transition to an active state during an on-duration prior to an on-duration of a DRX cycle, identify one or more PCIs for the UE to communicate during the on-duration based on the indication, the one or more PCIs indicated based on activation periods associated with corresponding serving cells associated with the one or more PCIs, and communicate with at least one serving cell associated with the one or more PCIs during the on-duration.

[0020] Some examples of the methods, apparatus, and non-transitory computer-readable media described herein may also include operations, features, components, or instructions for sending a UE capability message indicating a cell switching time for the UE to switch to a new serving cell, wherein one or more PCIs may be included in the indication based on the cell switching time of the UE and the activation period of each corresponding serving cell.

[0021] Some examples of the methods, apparatus, and non-transitory computer-readable media described herein may also include operations, features, components, or instructions for performing a cell switching procedure with a serving cell associated with at least one of the identified one or more PCIs.

[0022] In some examples of the methods, apparatus, and non-transitory computer-readable media described herein, the serving cell includes at least one of one or more transmission reception points of the same serving cell or one or more serving cells in a candidate serving cell group.

[0023] In some examples of the methods, apparatus, and non-transitory computer-readable media described herein, the indication may be received in at least one of a WUS or a non-WUS DCI.

[0024] A method of wireless communication at a UE is described. The method may include receiving, prior to an on-duration of a DRX cycle, an indication that the UE will transition to an active state during an on-duration and one or more PCIs for the UE to communicate, receiving, based on the indication, a configuration of one or more resources for sending a feedback signal confirming that the UE was able to successfully decode the indication, transitioning to the active state during the on-duration based on the indication, and sending the feedback signal using the one or more resources while in the active state.

[0025] An apparatus for wireless communication at a UE is described. The apparatus may include a processor, a memory coupled to the processor, and instructions stored in the memory. The instructions may be executed by the processor to cause the apparatus to receive, before an on-duration of a DRX cycle, an indication that the UE will transition to an active state during the on-duration and one or more PCIs for the UE to communicate, receive a configuration of one or more resources for sending a feedback signal confirming that the UE can successfully decode the indication based on the indication, transition to the active state during the on-duration based on the indication, and send the feedback signal using the one or more resources when in the active state.

[0026] Another apparatus for wireless communication at a UE is described. The apparatus may include means for receiving, prior to an on-duration of a DRX cycle, an indication that the UE will transition to an active state during an on-duration and one or more PCIs for the UE to communicate, receiving, based on the indication, a configuration of one or more resources for sending a feedback signal confirming that the UE was able to successfully decode the indication, transitioning to the active state during the on-duration based on the indication, and sending the feedback signal using the one or more resources while in the active state.

[0027] A non-transitory computer-readable medium storing code for wireless communication at a UE is described. The code may include instructions executable by a processor to receive, prior to an on-duration of a DRX cycle, an indication that the UE will transition to an active state during an on-duration and one or more PCIs for the UE to communicate, receive a configuration of one or more resources for sending a feedback signal confirming that the UE was able to successfully decode the indication based on the indication, transition to the active state during the on-duration based on the indication, and send the feedback signal using the one or more resources while in the active state.

[0028] In some examples of the methods, apparatus, and non-transitory computer-readable media described herein, the feedback signal may be sent during the on-duration or after the on-duration.

[0029] Some examples of the methods, apparatus, and non-transitory computer-readable media described herein may also include operations, features, components, or instructions for performing a cell switching procedure with a serving cell associated with at least one of the one or more PCIs.

[0030] In some examples of the methods, apparatus, and non-transitory computer-readable media described herein, the serving cell includes at least one of one or more transmission reception points of the same serving cell or one or more serving cells in a candidate serving cell group.

[0031] In some examples of the methods, apparatus, and non-transitory computer-readable media described herein, the indication may be received in a WUS.

[0032] In some examples of the methods, apparatus, and non-transitory computer-readable media described herein, the feedback signal includes a hybrid automatic / repeat request (HARQ) ACK / NACK message.

[0033] A method of wireless communication at a UE is described. The method may include identifying a default configuration associated with a failure to detect an indication of whether the UE transitions to an active state or remains in an inactive state during an on-duration of a DRX cycle during a corresponding monitoring period and applying the default configuration during the on-duration in response to at least the failure to detect the indication.

[0034] An apparatus for wireless communication at a UE is described. The apparatus may include a processor, a memory coupled to the processor, and instructions stored in the memory. The instructions are executable by the processor to cause the apparatus to identify a default configuration associated with a failure to detect an indication of whether the UE transitions to an active state or remains in an inactive state during an on-duration of a DRX cycle during a corresponding monitoring period and, in response to at least the failure to detect the indication, apply the default configuration during the on-duration.

[0035] Another apparatus for wireless communication at a UE is described. The apparatus may include means for identifying a default configuration associated with a failure to detect an indication of whether the UE transitions to an active state or remains in an inactive state during an on-duration of a DRX cycle during a corresponding monitoring period and applying the default configuration during the on-duration in response to at least the failure to detect the indication.

[0036] A non-transitory computer-readable medium storing code for wireless communication at a UE is described. The code may include instructions executable by a processor to identify a default configuration associated with a failure to detect an indication of whether the UE transitions to an active state or remains in an inactive state during an on-duration of a DRX cycle during a corresponding monitoring period, and in response to at least the failure to detect the indication, apply the default configuration during the on-duration.

[0037] In some examples of the methods, apparatus, and non-transitory computer-readable media described herein, applying a default configuration may include operations, features, components, or instructions for transitioning to an active state during an on-duration period based on a failure to detect an indication.

[0038] Some examples of the methods, apparatus, and non-transitory computer-readable media described herein may also include operations, features, components, or instructions for remaining in the active state until a monitoring opportunity associated with detecting the second indication.

[0039] In some examples of the methods, apparatus, and non-transitory computer-readable media described herein, applying a default configuration may include operations, features, components, or instructions that remain in an inactive state during an on-duration period based on a failure to detect an indication.

[0040] Some examples of the methods, apparatus, and non-transitory computer-readable media described herein may also include operations, features, components, or instructions for remaining in an inactive state until a monitoring opportunity associated with detecting a second indication.

[0041] Some examples of the methods, apparatus, and non-transitory computer-readable media described herein may also include operations, features, components, or instructions for receiving a configuration signal indicating a default configuration.

[0042] In some examples of the methods, apparatus, and non-transitory computer-readable media described herein, the configuration signal includes at least one of a DCI, or a medium access control (MAC) control element (CE), or a radio resource control (RRC) signal, or a combination thereof. BRIEF DESCRIPTION OF THE DRAWINGS

[0043] Figure 1 An example of a wireless communication system supporting cell indication for wake-up signal (WUS) selection for mobility according to aspects of the present disclosure is shown.

[0044] Figure 2 An example of a wireless communication system supporting WUS selected cell indication for mobility according to aspects of the present disclosure is shown.

[0045] Figures 3A to 3D An example of a WUS configuration supporting WUS selected cell indication for mobility according to aspects of the present disclosure is shown.

[0046] Figure 4A and Figure 4B An example of a WUS configuration supporting WUS selected cell indication for mobility according to aspects of the present disclosure is shown.

[0047] Figure 5 and Figure 6 A block diagram of an apparatus supporting WUS selected cell indication for mobility according to aspects of the present disclosure is shown.

[0048] Figure 7 A block diagram of a communications manager supporting WUS selected cell indication for mobility is shown in accordance with aspects of the present disclosure.

[0049] Figure 8A diagram of a system including devices supporting WUS selected cell indication for mobility is shown in accordance with aspects of the present disclosure.

[0050] Fig. 9 and Fig.10 A block diagram of an apparatus supporting WUS selected cell indication for mobility according to aspects of the present disclosure is shown.

[0051] Fig.11 A block diagram of a communications manager supporting WUS selected cell indication for mobility is shown in accordance with aspects of the present disclosure.

[0052] Fig.12 A diagram of a system including devices supporting WUS selected cell indication for mobility is shown in accordance with aspects of the present disclosure.

[0053] Figures 13 to 18 A flow chart illustrating a method of supporting WUS selected cell indication for mobility according to aspects of the present disclosure is shown. DETAILED DESCRIPTION

[0054] A user equipment (UE) in a wireless communication system may be served by multiple cells. The UE may be handed over or reallocated to different cells over time as the UE moves, as channel conditions change, to balance network load, etc. In some cases, there may be two modes associated with a UE served by multiple cells.

[0055] In the first mode, each serving cell may have multiple transmit / receive points (TRPs) located at different locations, and each TRP may have a different physical cell indicator (PCI). The UE may be served by a subset of the PCIs (e.g., candidate PCIs) of the serving cell, and the selected PCI subset may be changed, for example, by downlink control information (DCI) or media access control (MAC) control elements (CEs). In the second mode, the UE may be configured with a serving cell group, each with a single PCI. The UE may be served by a selected subset of the serving cell group, which may be changed by DCI or MAC CE.

[0056] In some wireless communication systems, the UE may start operating according to a discontinuous reception (DRX) cycle. The DRX cycle may include a UE operating in an idle state, a connected DRX (C-DRX) state, or an active state. In the idle state, the UE turns off components / functions to save power because there is no active ongoing communication. In the C-DRX state, the UE turns off some components / functions, but maintains a certain degree of access layer synchronization with its base station in order to switch to an active state for communication more quickly. In the active state, the UE is fully activated and can be used for communication. The DRX cycle may include the UE waking up periodically during the on-duration of the DRX cycle to monitor communication indications from its base station. Some wireless communication systems may support wake-up signaling, in which a small wake-up signal (WUS) is sent before the on-duration, which tells the UE whether it can sleep during the upcoming on-duration, or whether it can remain in the idle / C-DRX state during the on-duration. Some wireless communication systems allow the base station to include an indication of PCI (multiple) in the WUS. However, such technology is limited and does not fully utilize the WUS function to explicitly or implicitly convey additional information / functions for devices operating in the wireless communication system.

[0057] Aspects of the present disclosure are initially described in the context of a wireless communication system. In general, aspects of the described technology support various mechanisms to improve wake-up signaling when a UE operates in a DRX cycle. In particular, the technology described herein provides various rules, processes, actions, etc. that can be implemented in the context of a WUS, as well as other signaling options that replace purely WUS-based signaling. Examples of such technologies include, but are not limited to, WUS indicating PCI (multiple) when a previous WUS indicates that the UE will remain in an idle state. Another example includes configuring and applying a default configuration when the UE does not detect the WUS, for example, whether the UE will remain awake or return to sleep during the corresponding on-duration. In another example, the WUS can be used to carry or otherwise transmit an ACK / NACK resource. The UE can use the ACK / NACK resource to confirm the reception of the WUS, for example, the UE has successfully decoded the WUS. Another example includes the WUS indicating the PCI (multiple) based on the offset between the WUS and the application time of the indicated PCI (multiple) (for example, when the indicated PCI (multiple) can be used to communicate with the UE). Aspects of this example can be based on the capabilities of the UE. In another example, the DCI may be used to indicate the PCI(s) during the on-duration following the WUS. Another example may include splitting the indication of the PCI(s) between the WUS and a downlink signal sent during the on-duration following the WUS. Thus, the described techniques provide various mechanisms that may be implemented in a WUS scenario that may improve the information communicated by a wireless communication system, reduce signaling overhead, improve reliability, and the like.

[0058] Aspects of the present disclosure are further illustrated and described by reference to apparatus diagrams, system diagrams, and flow charts related to WUS selected cell indication for mobility.

[0059] Figure 1 An example of a wireless communication system 100 supporting cell indication for WUS selection for mobility according to aspects of the present disclosure is shown. The wireless communication system 100 may include one or more base stations 105, one or more UEs 115, and a core network 130. In some examples, the wireless communication system 100 may be a long term evolution (LTE) network, an LTE advanced (LTE-A) network, an LTE-A Pro network, or a new radio (NR) network. In some examples, the wireless communication system 100 may support enhanced broadband communications, ultra-reliable (e.g., mission-critical) communications, low-latency communications, communications with low-cost and low-complexity devices, or any combination thereof.

[0060] The base stations 105 may be dispersed throughout a geographic area to form the wireless communication system 100, and may be different forms of devices or devices with different capabilities. The base stations 105 and the UEs 115 may communicate wirelessly via one or more communication links 125. Each base station 105 may provide a coverage area 110 over which the UEs 115 and the base stations 105 may establish one or more communication links 125. The coverage area 110 may be an example of a geographic area over which the base stations 105 and the UEs 115 may support communication of signals according to one or more radio access technologies.

[0061] The UEs 115 may be dispersed throughout the coverage area 110 of the wireless communication system 100, and each UE 115 may be stationary or mobile, or stationary or mobile at different times. The UEs 115 may be different forms of devices or devices with different capabilities. Figure 1 Some example UEs 115 are illustrated in FIG. Figure 1 As shown, the UE 115 described herein may be capable of communicating with various types of devices, such as other UEs 115, base stations 105, or network devices (e.g., core network nodes, relay devices, integrated access and backhaul (IAB) nodes, or other network devices).

[0062] The base stations 105 may communicate with the core network 130 or with each other, or both. For example, the base stations 105 may interface with the core network 130 via one or more backhaul links 120 (e.g., via S1, N2, N3, or other interfaces). The base stations 105 may communicate with each other directly (e.g., directly between the base stations 105) or indirectly (e.g., via the core network 130), or directly and indirectly, via the backhaul links 120 (e.g., via X2, Xn, or other interfaces). In some examples, the backhaul links 120 may be or include one or more wireless links.

[0063] One or more of the base stations 105 described herein may include or may be referred to by one of ordinary skill in the art as a base transceiver station, a radio base station, an access point, a radio transceiver, a NodeB, an eNodeB (eNB), a next generation NodeB or a giga-NodeB (any of which may be referred to as a gNB), a Home NodeB, a Home eNodeB, or other suitable terminology.

[0064] UE 115 may include or may be referred to as a mobile device, a wireless device, a remote device, a handheld device, or a subscriber device, or some other suitable terminology, where in other examples, a "device" may also be referred to as a unit, a station, a terminal, or a client. UE 115 may also include or may be referred to as a personal electronic device such as a cellular phone, a personal digital assistant (PDA), a tablet computer, a laptop computer, or a personal computer. In some examples, UE 115 may include or be referred to as a wireless local loop (WLL) station, an Internet of Things (IoT) device, an Internet of Everything (IoE) device, or a machine type communication (MTC) device, etc., which may be implemented in various objects such as home appliances, vehicles, meters, etc.

[0065] like Figure 1 As shown, the UE 115 described herein may be capable of communicating with various types of devices, such as other UEs 115 that may sometimes act as relays, as well as base stations 105 and network devices including macro eNBs or gNBs, small cell eNBs or gNBs, or relay base stations, etc.

[0066] UE 115 and base station 105 can communicate wirelessly with each other via one or more communication links 125 on one or more carriers. The term "carrier" can refer to a set of radio frequency spectrum resources having a defined physical layer structure for supporting communication link 125. For example, a carrier for communication link 125 may include a portion of a radio frequency spectrum band (e.g., bandwidth portion (BWP)) that operates according to one or more physical layer channels for a given radio access technology (e.g., LTE, LTE-A, LTE-A Pro, NR). Each physical layer channel may carry acquisition signaling (e.g., synchronization signals, system information), control signaling for coordinating carrier operations, user data, or other signaling. The wireless communication system 100 may support communication with UE 115 using carrier aggregation or multi-carrier operation. UE 115 may be configured to have multiple downlink component carriers and one or more uplink component carriers according to a carrier aggregation configuration. Carrier aggregation may be used with both frequency division duplex (FDD) and time division duplex (TDD) component carriers.

[0067] In some examples (e.g., in a carrier aggregation configuration), a carrier may also have acquisition signaling or control signaling that coordinates the operation of other carriers. A carrier may be associated with a frequency channel (e.g., an Evolved Universal Mobile Telecommunications System Terrestrial Radio Access (E-UTRA) Absolute Radio Frequency Channel Number (EARFCN)) and may be located according to a channel grid for discovery by UE 115. A carrier may operate in a standalone mode in which initial acquisition and connection may be performed by UE 115 via the carrier, or a carrier may operate in a non-standalone mode in which the connection is anchored using a different carrier (e.g., of the same or different radio access technology).

[0068] The communication link 125 shown in the wireless communication system 100 may include an uplink transmission from the UE 115 to the base station 105, or a downlink transmission from the base station 105 to the UE 115. A carrier may carry downlink or uplink communications (e.g., in FDD mode), or may be configured to carry both downlink and uplink communications (e.g., in TDD mode).

[0069] A carrier may be associated with a particular bandwidth of a radio frequency spectrum, and in some examples, the carrier bandwidth may be referred to as a "system bandwidth" of the carrier or wireless communication system 100. For example, the carrier bandwidth may be one of several determined bandwidths (e.g., 1.4, 3, 5, 10, 15, 20, 40, or 80 megahertz (MHz)) of a carrier of a particular radio access technology. Devices (e.g., base stations 105, UEs 115, or both) of the wireless communication system 100 may have a hardware configuration that supports communications on a particular carrier bandwidth or may be configurable to support communications on one of a set of carrier bandwidths. In some examples, the wireless communication system 100 may include a base station 105 or UE 115 that supports simultaneous communications via carriers associated with multiple carrier bandwidths. In some examples, each served UE 115 may be configured to operate on a portion (e.g., a sub-band, BWP) or all of the carrier bandwidth.

[0070] The signal waveform transmitted by the carrier wave may be composed of multiple subcarriers (e.g., using a multi-carrier modulation (MCM) technique, such as orthogonal frequency division multiplexing (OFDM) or discrete Fourier transform spread OFDM (DFT-S-OFDM)). In a system employing MCM technology, a resource element may include a symbol period (e.g., the duration of a modulation symbol) and a subcarrier, where the symbol period and the subcarrier spacing are inversely related. The number of bits carried by each resource element may depend on the modulation scheme (e.g., the order of the modulation scheme, the coding rate of the modulation scheme, or both). Therefore, the more resource elements received by the UE 115 and the higher the order of the modulation scheme, the higher the data rate of the UE 115 can be. Wireless communication resources may refer to a combination of radio spectrum resources, time resources, and spatial resources (e.g., spatial layers or beams), and the use of multiple spatial layers may further improve the data rate or data integrity used for communication with the UE 115.

[0071] One or more parameter sets for a carrier may be supported, where the parameter set may include a subcarrier spacing (Δf) and a cyclic prefix. A carrier may be divided into one or more BWPs with the same or different parameter sets. In some examples, a UE 115 may be configured with multiple BWPs. In some examples, a single BWP for a carrier may be active at a given time, and communications for a UE 115 may be restricted to the one or more activated BWPs.

[0072] The time interval of the base station 105 or the UE 115 can be expressed as a multiple of a basic time unit, and the basic time unit can be, for example, T s =1 / (Δf max ·N f ) seconds sampling period, where Δf max It can represent the maximum supported subcarrier spacing, and N f The maximum supported discrete Fourier transform (DFT) size may be indicated. The time intervals of the communication resources may be organized according to radio frames each having a specified duration (e.g., 10 milliseconds (ms)). Each radio frame may be identified by a system frame number (SFN) (e.g., ranging from 0 to 1023).

[0073] Each frame may include multiple consecutively numbered subframes or time slots, and each subframe or time slot may have the same duration. In some examples, the frame may be divided (e.g., in the time domain) into subframes, and each subframe may be further divided into multiple time slots. Alternatively, each frame may include a variable number of time slots, and the number of time slots may depend on the subcarrier spacing. Each time slot may include multiple code element periods (e.g., depending on the length of the cyclic prefix prefixed to each code element period). In some wireless communication systems 100, the time slot may be further divided into multiple micro time slots containing one or more periods. In addition to the cyclic prefix, each code element period may contain one or more (e.g., N) code element periods. f The duration of a symbol period may depend on the subcarrier spacing or frequency band of operation.

[0074] A subframe, a time slot, a mini-time slot, or a cycle may be the smallest scheduling unit (e.g., in the time domain) of the wireless communication system 100 and may be referred to as a transmission time interval (TTI). In some examples, the TTI duration (e.g., the number of symbol periods in a TTI) may be variable. Additionally or alternatively, the smallest scheduling unit of the wireless communication system 100 may be dynamically selected (e.g., in a burst of a shortened TTI (sTTI)).

[0075] Physical channels may be multiplexed on a carrier according to various techniques. Physical control channels and physical data channels may be multiplexed on a downlink carrier, for example, using one or more of a time division multiplexing (TDM) technique, a frequency division multiplexing (FDM) technique, or a hybrid TDM-FDM technique. A control region (e.g., a control resource set (CORESET)) of a physical control channel may be defined by a plurality of symbol periods and may extend across a system bandwidth or a subset of a system bandwidth of a carrier. One or more control regions (e.g., CORESETs) may be configured for a set of UEs 115. For example, one or more of UEs 115 may monitor or search a control region for control information according to one or more search space sets, and each search space set may include one or more control channel candidates in one or more aggregation levels arranged in a cascaded manner. The aggregation level of a control channel candidate may refer to the number of control channel resources (e.g., control channel elements (CCEs)) associated with the coded information for a control information format having a given payload size. The search space sets may include a common search space set configured for transmitting control information to a plurality of UEs 115 and a UE-specific search space set for transmitting control information to a specific UE 115 .

[0076] Each base station 105 may provide communication coverage via one or more cells (e.g., macro cells, small cells, hot spots, or other types of cells, or any combination thereof). The term "cell" may refer to a logical communication entity used to communicate with a base station 105 (e.g., via a carrier), and may be associated with an identifier (e.g., a physical cell identifier (PCID), a virtual cell identifier (VCID), or other) used to distinguish adjacent cells. In some examples, a cell may also refer to a geographic coverage area 110 or a portion of a geographic coverage area 110 (e.g., a sector) on which a logical communication entity operates. The range of such a cell may range from a smaller area (e.g., a structure, a subset of a structure) to a larger area depending on various factors (such as the capabilities of the base station 105). For example, a cell may be or include a building, a subset of a building, or an external space between or overlapping geographic coverage areas 110, etc.

[0077] A macro cell typically covers a relatively large geographic area (e.g., several kilometers in radius) and may allow unrestricted access to a UE 115 with a service subscription to a network provider supporting the macro cell. A small cell may be associated with a base station 105 with lower power than a macro cell, and the small cell may operate in the same or different (e.g., licensed, unlicensed) frequency band as the macro cell. A small cell may provide unrestricted access to a UE 115 with a service subscription to a network provider, or may provide restricted access to a UE 115 associated with a small cell (e.g., a UE 115 in a closed subscriber group (CSG), a UE 115 associated with a user in a home or office). A base station 105 may support one or more cells, and may also support communications on one or more cells using one or more component carriers.

[0078] In some examples, a carrier may support multiple cells, and different cells may be configured according to different protocol types (e.g., MTC, narrowband IoT (NB-IoT), enhanced mobile broadband (eMBB)) that may provide access to different types of devices.

[0079] In some examples, the base stations 105 may be mobile and thus provide communication coverage for mobile geographic coverage areas 110. In some examples, different geographic coverage areas 110 associated with different technologies may overlap, but the different geographic coverage areas 110 may be supported by the same base station 105. In other examples, overlapping geographic coverage areas 110 associated with different technologies may be supported by different base stations 105. The wireless communication system 100 may include, for example, a heterogeneous network in which different types of base stations 105 provide coverage for various geographic coverage areas 110 using the same or different radio access technologies.

[0080] The wireless communication system 100 may support synchronous or asynchronous operation. For synchronous operation, the base stations 105 may have similar frame timing, and transmissions from different base stations 105 may be approximately aligned in time. For asynchronous operation, the base stations 105 may have different frame timing, and in some examples, transmissions from different base stations 105 may not be aligned in time. The techniques described herein may be used for synchronous or asynchronous operation.

[0081] Some UEs 115 (such as MTC or IoT devices) may be low-cost or low-complexity devices and may provide automatic communication between machines (e.g., via machine-to-machine (M2M) communication). M2M communication or MTC may refer to data communication technology that allows devices to communicate with each other or with a base station 105 without human intervention. In some examples, M2M communication or MTC may include communications from devices that integrate sensors or meters to measure or capture information and relay such information to a central server or application that utilizes the information or presents the information to a person interacting with the application. Some UEs 115 may be designed to collect information or enable automated behavior of machines or other devices. Examples of applications for MTC devices include smart metering, inventory monitoring, water level monitoring, equipment monitoring, healthcare monitoring, wildlife monitoring, weather and geological event monitoring, vehicle fleet management and tracking, remote security sensing, physical access control, and transaction-based service charging.

[0082] Some UEs 115 may be configured to employ a reduced power consumption mode of operation, such as half-duplex communication (e.g., a mode that supports unidirectional communication via transmission or reception, but not simultaneous transmission and reception). In some examples, half-duplex communication may be performed at a reduced peak rate. Other energy-saving techniques for UE 115 include entering a power-saving deep sleep mode when not engaged in active communication, operating on a limited bandwidth (e.g., according to narrowband communication), or a combination of these techniques. For example, some UEs 115 may be configured to operate using a narrowband protocol type that is associated with a defined portion or range (e.g., a set of subcarriers or resource blocks (RBs)) within a carrier, within a guard band of a carrier, or outside a carrier.

[0083] The wireless communication system 100 can be configured to support ultra-reliable communication or low-latency communication, or various combinations thereof. For example, the wireless communication system 100 can be configured to support ultra-reliable low-latency communication (URLLC) or mission-critical communication. UE115 can be designed to support ultra-reliable, low-latency or critical functions (e.g., mission-critical functions). Ultra-reliable communication can include private communication or group communication, and can be supported by one or more mission-critical services (such as mission-critical push-to-talk (MCPTT), mission-critical video (MCVideo), or mission-critical data (MCData). Support for mission-critical functions can include service priorities, and mission-critical services can be used for public safety or general commercial applications. The terms ultra-reliable, low-latency, mission-critical, and ultra-reliable low-latency can be used interchangeably in this article.

[0084] In some examples, UE 115 may also communicate directly with other UE 115 via a device-to-device (D2D) communication link 135 (e.g., using a peer-to-peer (P2P) or D2D protocol). One or more UEs 115 utilizing D2D communication may be within a geographic coverage area 110 of a base station 105. Other UEs 115 in such a group may be outside the geographic coverage area 110 of the base station 105 or unable to receive transmissions from the base station 105. In some examples, a group of UEs 115 communicating via D2D communication may utilize a one-to-many (1:M) system in which each UE 115 transmits to each other UE 115 in the group. In some examples, the base station 105 facilitates the scheduling of resources for D2D communication. In other cases, D2D communication is performed between UEs 115 without involving the base station 105.

[0085] In some systems, the D2D communication link 135 can be an example of a communication channel between vehicles (e.g., UE 115), such as a sidelink communication channel. In some examples, vehicles can communicate using vehicle-to-everything (V2X) communications, vehicle-to-vehicle (V2V) communications, or some combination of these communications. Vehicles can signal information related to traffic conditions, signal scheduling, weather, safety, emergency situations, or any other information related to the V2X system. In some examples, vehicles in a V2X system can communicate with roadside infrastructure (such as roadside units) or with a network, or both, using vehicle-to-network (V2N) communications via one or more network nodes (e.g., base station 105).

[0086] The core network 130 may provide user authentication, access authorization, tracking, Internet Protocol (IP) connection, and other access, routing, or mobility functions. The core network 130 may be an evolved packet core (EPC) or a 5G core (5GC), which may include at least one control plane entity (e.g., a mobility management entity (MME), an access and mobility management function (AMF)) for managing access and mobility and at least one user plane entity (e.g., a serving gateway (S-GW), a packet data network (PDN) gateway (P-GW), a user plane function (UPF)) for routing packets or interconnections to an external network. The control plane entity may manage non-access stratum (NAS) functions of UE 115 served by a base station 105 associated with the core network 130, such as mobility, authentication, and bearer management. User IP packets may be transmitted through user plane entities, which may provide IP address allocation and other functions. The user plane entity may be connected to a network operator IP service 150. The operator IP service 150 may include access to the Internet, (multiple) intranets, an IP multimedia subsystem (IMS), or a packet-switched streaming service.

[0087] Some of the network devices, such as the base station 105, may include a subcomponent such as an access network entity 140, which may be an example of an access node controller (ANC). Each access network entity 140 may communicate with the UE 115 through one or more other access network transport entities 145, which may be referred to as a radio head, a smart radio head, or a transmit / receive point (TRP). Each access network transport entity 145 may include one or more antenna panels. In some configurations, the various functions of each access network entity 140 or base station 105 may be distributed across various network devices (e.g., a radio head and ANC) or merged into a single network device (e.g., a base station 105).

[0088] The wireless communication system 100 can operate using one or more frequency bands typically in the range of 300 megahertz (MHz) to 300 gigahertz (GHz). Typically, the region from 300 MHz to 3 GHz is referred to as the ultra-high frequency (UHF) region or decimeter band because the wavelength range is from about 1 decimeter to 1 meter long. UHF waves may be blocked or redirected by buildings and environmental features, but these waves can penetrate structures sufficiently so that macro cells provide services to UEs 115 located indoors. Compared to transmissions of smaller frequencies and longer waves using the high frequency (HF) or very high frequency (VHF) portion of the spectrum below 300 MHz, transmissions of UHF waves can be associated with smaller antennas and shorter ranges (e.g., less than 100 kilometers).

[0089] The wireless communication system 100 may also operate in the super high frequency (SHF) region (also known as the centimeter wave band) using a frequency band from 3 GHz to 30 GHz, or in the extremely high frequency (EHF) region of the spectrum (e.g., from 30 GHz to 300 GHz) (also known as the millimeter wave band). In some examples, the wireless communication system 100 may support millimeter wave (mmW) communications between the UE 115 and the base station 105, and the EHF antennas of the corresponding devices may be smaller and more closely spaced than the UHF antennas. In some examples, this may facilitate the use of antenna arrays within the device. However, the propagation of EHF transmissions may be subject to even greater atmospheric attenuation and a shorter range than SHF or UHF transmissions. The techniques disclosed herein may be employed across transmissions using one or more different frequency regions, and the designated use of frequency bands across these frequency regions may vary by country or regulatory agency.

[0090] The wireless communication system 100 can utilize both licensed and unlicensed radio frequency spectrum bands. For example, the wireless communication system 100 can adopt license assisted access (LAA), LTE unlicensed (LTE-U) radio access technology, or NR technology in an unlicensed band such as the 5 GHz industrial, scientific, and medical (ISM) band. When operating in an unlicensed radio frequency spectrum band, devices such as base stations 105 and UEs 115 can employ carrier sensing for conflict detection and avoidance. In some examples, operations in unlicensed bands can be based on carrier aggregation configurations and component carriers operating in licensed bands (e.g., LAA). Operations in unlicensed spectrum can include downlink transmissions, uplink transmissions, P2P transmissions, or D2D transmissions, etc.

[0091] The base station 105 or UE 115 may be equipped with multiple antennas that may be used to employ techniques such as transmit diversity, receive diversity, multiple-input multiple-output (MIMO) communications, or beamforming. The antennas of the base station 105 or UE 115 may be located within one or more antenna arrays or antenna panels that may support MIMO operations or transmit or receive beamforming. For example, one or more base station antennas or antenna arrays may be co-located at an antenna assembly such as an antenna tower. In some examples, the antennas or antenna arrays associated with the base station 105 may be located at various geographic locations. The base station 105 may have an antenna array having multiple rows and columns of antenna ports that the base station 105 may use to support beamforming for communications with the UE 115. Similarly, the UE 115 may have one or more antenna arrays that may support various MIMO or beamforming operations. Additionally or alternatively, the antenna panel may support radio frequency beamforming of signals sent via the antenna ports.

[0092] The base station 105 or UE 115 can use MIMO communication to exploit multipath signal propagation and improve spectral efficiency by sending or receiving multiple signals via different spatial layers. This technology can be referred to as spatial multiplexing. For example, multiple signals can be sent by a transmitting device via different antennas or different antenna combinations. Similarly, multiple signals can be received by a receiving device via different antennas or different antenna combinations. Each of the multiple signals can be referred to as a separate spatial stream and can carry bits associated with the same data stream (e.g., the same codeword) or different data streams (e.g., different codewords). Different spatial layers can be associated with different antenna ports for channel measurement and reporting. MIMO technology includes single-user MIMO (SU-MIMO) and multi-user MIMO (MU-MIMO), where, in single-user MIMO, multiple spatial layers are sent to the same receiving device, and in multi-user MIMO, multiple spatial layers are sent to multiple devices.

[0093] Beamforming (which may also be referred to as spatial filtering, directional transmission, or directional reception) is a signal processing technique that can be used at a transmitting device or a receiving device (e.g., a base station 105, a UE 115) to shape and steer an antenna beam (e.g., a transmit beam, a receive beam) along a spatial path between the transmitting device and the receiving device. Beamforming can be implemented by combining signals communicated via antenna elements of an antenna array so that some signals propagating in a particular direction relative to the antenna array experience constructive interference, while other signals experience destructive interference. Adjustments to signals communicated via antenna elements may include the transmitting device or the receiving device applying an amplitude offset, a phase offset, or both to signals carried via antenna elements associated with the device. Adjustments associated with each of the antenna elements may be defined by a set of beamforming weights associated with a particular direction (e.g., relative to the antenna array of the transmitting device or the receiving device, or relative to some other direction).

[0094] The base station 105 or the UE 115 may use beam scanning techniques as part of a beamforming operation. For example, the base station 105 may use multiple antennas or antenna arrays (e.g., antenna panels) to perform beamforming operations for directional communications with the UE 115. Some signals (e.g., synchronization signals, reference signals, beam selection signals, or other control signals) may be sent multiple times by the base station 105 in different directions. For example, the base station 105 may send signals according to different sets of beamforming weights associated with different transmission directions. Transmissions in different beam directions may be used (e.g., by a transmitting device such as the base station 105 or by a receiving device such as the UE 115) to identify a beam direction for later transmission or reception by the base station 105.

[0095] Some signals, such as data signals associated with a particular receiving device, may be sent by base station 105 in a single beam direction, e.g., a direction associated with a receiving device, such as UE 115. In some examples, a beam direction associated with transmissions along a single beam direction may be determined based on signals sent in one or more beam directions. For example, UE 115 may receive one or more of the signals sent by base station 105 in different directions and may report to base station 105 an indication of the signal received by UE 115 with the highest signal quality or other acceptable signal quality.

[0096] In some examples, transmission by a device (e.g., by a base station 105 or a UE 115) can be performed using multiple beam directions, and the device can use a combination of digital precoding or radio frequency beamforming to generate a combined beam for transmission (e.g., from the base station 105 to the UE 115). The UE 115 can report feedback indicating precoding weights for one or more beam directions, and the feedback can correspond to a configured number of beams across the system bandwidth or one or more subbands. The base station 105 can send reference signals (e.g., cell-specific reference signals (CRS), channel state information reference signals (CSI-RS)), which can be precoded or unprecoded. The UE 115 can provide feedback for beam selection, which can be a precoding matrix indicator (PMI) or codebook-based feedback (e.g., a multi-panel codebook, a linear combination codebook, a port selection codebook). Although these techniques are described with reference to signals sent by base station 105 in one or more directions, UE 115 may employ similar techniques for sending signals multiple times in different directions (e.g., for identifying a beam direction for subsequent transmission or reception by UE 115) or for sending signals in a single direction (e.g., for sending data to a receiving device).

[0097] A receiving device (e.g., UE 115) may try multiple reception configurations (e.g., directional listening) when receiving various signals (such as synchronization signals, reference signals, beam selection signals, or other control signals) from a base station 105. For example, a receiving device may try multiple reception directions by receiving via different antenna subarrays, by processing received signals according to different antenna subarrays, by receiving according to different receive beamforming weight sets (e.g., different directional listening weight sets) applied to signals received at multiple antenna elements of an antenna array, or by processing received signals according to different receive beamforming weight sets applied to signals received at multiple antenna elements of an antenna array, any of which may be referred to as "listening" according to different reception configurations or reception directions. In some examples, a receiving device may use a single reception configuration to receive along a single beam direction (e.g., when receiving data signals). A single reception configuration may be aligned in a beam direction that is determined based on listening according to different reception configuration directions (e.g., based on a beam direction with the highest signal strength, highest signal-to-noise ratio (SNR), or other acceptable signal quality determined by listening according to multiple beam directions).

[0098] The wireless communication system 100 can be a packet-based network operating according to a layered protocol stack. In the user plane, the communication at the bearer or packet data aggregation protocol (PDCP) layer can be IP-based. The radio link control (RLC) layer can perform packet segmentation and reorganization to communicate on a logical channel. The medium access control (MAC) layer can perform priority processing and multiplex logical channels into transport channels. The MAC layer can also use error detection technology, error correction technology, or both to support retransmission at the MAC layer to improve link efficiency. In the control plane, the radio resource control (RRC) protocol layer can provide the establishment, configuration, and maintenance of the RRC connection between the base station 105 or the core network 130 that supports the radio bearer of the user plane data. At the physical layer, the transport channel can be mapped to the physical channel.

[0099] UE 115 and base station 105 can support retransmission of data to increase the possibility of successfully receiving data. Hybrid automatic repeat request (HARQ) feedback is a technology for increasing the possibility of correctly receiving data through communication link 125. HARQ can include a combination of error detection (e.g., using cyclic redundancy check (CRC)), forward error correction (FEC) and retransmission (e.g., automatic repeat request (ARQ)). HARQ can improve the throughput at the MAC layer under poor radio conditions (e.g., low signal-to-noise ratio conditions). In some examples, a device can support same-slot HARQ feedback, where the device can provide HARQ feedback in a specific time slot for data received in a previous cycle in the time slot. In other cases, the device can provide HARQ feedback in a subsequent time slot or according to some other time interval.

[0100] UE 115 may receive a first indication prior to a first on-duration of a DRX cycle that UE 115 will remain in an inactive state of the DRX cycle during the first on-duration. UE 115 may receive a second indication prior to a second on-duration of the DRX cycle that UE 115 will transition to an active state during the second on-duration, wherein the second indication indicates one or more PCIs for UE 115 to communicate when in the active state based at least in part on the first indication indicating that UE 115 will remain in an inactive state during the first on-duration. UE 115 may identify the one or more PCIs indicated in the second indication.

[0101] The UE 115 may receive an indication prior to the on-duration of the DRX cycle that the UE 115 will transition to an active state during the on-duration. The UE 115 may identify one or more PCIs for the UE 115 to communicate during the on-duration based at least in part on the indication, the one or more PCIs being indicated based at least in part on activation periods associated with corresponding serving cells associated with the one or more PCIs. The UE 115 may communicate with at least one serving cell associated with the one or more PCIs during the on-duration.

[0102] The UE 115 may receive, prior to the on-duration of the DRX cycle, an indication that the UE 115 will transition to an active state during the on-duration and one or more PCIs for the UE 115 to communicate. The UE 115 may receive, based at least in part on the indication, a configuration of one or more resources for sending a feedback signal confirming that the UE 115 was able to successfully decode the indication. The UE 115 may transition to the active state during the on-duration based at least in part on the indication. The UE 115 may send the feedback signal using the one or more resources while in the active state.

[0103] UE 115 may identify a default configuration associated with a failure to detect an indication of whether UE 115 transitions to an active state or remains in an inactive state during an on-duration of a DRX cycle during a corresponding monitoring period. UE 115 may apply the default configuration during the on-duration in response to at least failing to detect the indication.

[0104] The UE 115 may receive a downlink grant identifying one or more PCIs for the UE 115 to communicate while in the active state and during a first on-duration of the DRX cycle. The UE 115 may receive an indication, prior to a second on-duration of the DRX cycle, that the UE 115 will transition to the active state of the DRX cycle during the second on-duration. The UE 115 may transition to the active state during the second on-duration based on the indication.

[0105] The UE 115 may receive an indication prior to the on-duration of the DRX cycle that the UE 115 will transition to an active state of the DRX cycle during the on-duration. The UE 115 may identify a first subset of one or more PCIs for communication by the UE 115 based at least in part on the indication. The UE 115 may transition to the active state during the on-duration based on the indication. The UE 115 may receive a downlink signal identifying a second subset of one or more PCIs for communication by the UE 115 while in the active state.

[0106] The base station 105 may send a first indication to the UE 115 before a first on-duration of the DRX cycle that the UE 115 will remain in an inactive state of the DRX cycle during the first on-duration. The base station 105 may determine one or more PCIs for the UE 115 to communicate. The base station 105 may send a second indication before a second on-duration of the DRX cycle that the UE 115 will transition to an active state during the second on-duration, wherein the second indication indicates one or more PCIs for the UE 115 to communicate when in the active state based at least in part on the first indication indicating that the UE 115 will remain in an inactive state during the first on-duration.

[0107] The base station 105 may identify, for the UE 115 and based at least in part on the activation period of the serving cell, one or more PCIs for the UE 115 to communicate. The base station 105 may send an indication prior to the on-duration of the DRX cycle of the UE 115 that the UE 115 will transition to an active state during the on-duration and identify the one or more PCIs.

[0108] The base station 105 may determine one or more resources for the UE 115 to send the feedback signal. The base station 105 may send an indication prior to the on-duration of the DRX cycle that the UE 115 will transition to an active state during the on-duration, identify one or more PCIs for the UE 115 to communicate, and identify the one or more resources. The base station 105 may receive the feedback signal over the one or more resources, the feedback signal confirming that the UE 115 was able to successfully decode the indication.

[0109] Base station 105 may identify, for UE 115, a default configuration associated with an indication that UE 115 failed to detect whether UE 115 transitioned to an active state or remained in an inactive state during an on-duration of a DRX cycle during a corresponding monitoring period. Base station 105 may send a configuration signal to UE 115 indicating the default configuration.

[0110] The base station 105 may send a downlink grant to the UE 115 identifying one or more PCIs for communication by the UE 115 when the UE 115 is in the active state during the first on-duration of the DRX cycle. The base station 105 may send an indication before the second on-duration of the DRX cycle that the UE 115 will transition to the active state of the DRX cycle during the second on-duration.

[0111] The base station 105 may send an indication to the UE 115 prior to the on-duration of the DRX cycle that the UE 115 will transition to an active state of the DRX cycle during the on-duration, the indication identifying a first subset of one or more PCIs for communication by the UE 115. The base station 105 may send a downlink signal identifying a second subset of one or more PCIs for communication by the UE 115 during the on-duration.

[0112] Figure 2 An example of a wireless communication system 200 that supports cell indication for WUS selection for mobility according to aspects of the present disclosure is shown. In some examples, the wireless communication system 200 can implement aspects of the wireless communication system 100. The wireless communication system 200 can include a UE 115-a, which can be an example of a UE 115 described herein. The UE 115-a can communicate with one or more TRPs 210, which can be examples of a base station 105, a serving cell, or a small cell as described herein.

[0113] UE 115-a may be configured with one or more cells to communicate with a wireless communication network. UE 115-a may receive an indication of a PCI set (e.g., one or more) and communicate with the network via one or more cells corresponding to a set of one or more PCIs. In some cases, the PCI may be provided by a base station 105 or one or more TRPs 210. For example, a base station 105 may provide one or more cells for UE 115-a. Additionally or alternatively, one or more TRPs 210 may be distributed in the wireless communication system 200 and may provide one or more cells for UE 115-a.

[0114] The wireless communication system 200 may support enhanced technologies for inter-cell mobility. For example, the wireless communication system 200 may support inter-cell mobility based on layer 1 (L1) and / or layer 2 (L2). In some examples, L1 may refer to the physical layer, and L2 may refer to the MAC, RLC, and PDCP layers.

[0115] In some cases, inter-cell mobility based on L1 and L2 may include two modes. In the first mode of inter-cell mobility, a serving cell (e.g., each serving cell) may have multiple TRPs 210. In some cases, TRP 210 may be located at different locations. In the first mode, each TRP 210 may have a different PCI. The PCI of the TRP 210 in the first mode may be carried by a synchronization signal block (SSB) sent by the TRP 210. UE 115 may be served by a subset of the PCI of the serving cell. In some cases, the subset of the serving PCI may be changed by DCI or MAC CE information.

[0116] As an example of a first mode, UE 115-a may have a serving cell with multiple TRPs 210, such as TRP 210-a and TRP 210-b. TRP 210-a and TRP 210-b may provide an active PCI for UE 115-a, which may be indicated to UE 115-a via a DCI or MAC CE. For example, TRP 210-a may be associated with a first PCI and provide link 205-a for UE 115-a, and TRP 210-b may be associated with a second PCI and provide link 205-b for UE 115-a. In some examples, TRP 210-a and TRP 210-b may be distributed to different locations within the wireless communication network 200, which may provide improved spatial diversity for UE 115-a. TRP 210-a and TRP 210-b may each send an SSB carrying a corresponding PCI. UE115-a can receive the SSB and identify the PCIs of TRP 210-a and TRP210-b respectively.

[0117] In the second mode, the UE 115 may be configured with a serving cell group, each serving cell having a single PCI. For example, the UE 115 may be configured with multiple serving cells, each of which may have a different PCI. The UE 115 may be configured to measure the L1 metrics of the serving cells (e.g., each serving cell) in the group. For example, the UE 115 may measure the L1 reference signal received power (RSRP), signal plus interference and noise ratio (SINR), reference signal received quality (RSRQ), or other L1 feature metrics of each candidate serving cell. The UE 115 may be served by a subset of the serving cell group at one time. In some cases, the subset may be changed by a DCI or MAC CE. The base station 105 (e.g., providing a serving cell) may determine the subset based on the L1 report from the UE 115. For example, the UE 115 may send an L1 report for RSRP, SINR, RSRQ, etc. to a selected serving cell or anchor serving cell in the group.

[0118] As an example of the second mode, TRP 210-a may provide one or more serving cells for UE 115-a. For example, TRP 210-a may provide a serving cell with a first PCI to provide link 205-a for UE 115-a. In some cases, TRP 210-a may be an example of base station 105. UE 115-a may perform measurements on one or more serving cells provided by TRP 210-a and report the measurements to TRP 210-a. TRP 210-a may select a subset of serving cells based on the report and configure the subset as an active serving cell for UE 115-a. In some other examples, multiple TRPs 210 may provide serving cells. For example, TRP 210-a may provide one or more serving cells, and TRP 210-b may provide one or more serving cells. In one example, TRP 210-b may provide a second serving cell with a second PCI to provide link 205-b for UE 115-a.

[0119] In some cases, UE 115-a may receive an indication of a subset of PCIs in a WUS. UE 115-a may monitor the WUS at a specified time before the DRX on duration. The WUS may include an indicator per UE 115 to signal whether the UE 115 will wake up during the next configured DRX on duration. As an example, UE 115-a may operate in a DRX off period. UE 115-a may monitor the WUS during a specified time and detect the WUS. In some cases, the WUS may indicate a subset of the active PCIs of UE 115-a from a larger set of candidate PCIs.

[0120] The techniques described herein provide various rules, procedures, actions, etc. that can be implemented in the context of a WUS, as well as other signaling options in lieu of purely WUS-based signaling. Examples of such techniques include, but are not limited to, a WUS indicating PCI(s) when a previous WUS indicated that the UE 115-a was to remain in an idle state; applying a default configuration when the UE 115-a did not detect a WUS; a WUS transmitting ACK / NACK resources to confirm receipt of the WUS; a WUS indicating PCI(s) based on an offset between the WUS and the application time of the indicated PCI(s); indicating PCI(s) using DCI during an on-duration following the WUS; splitting the indication of PCI(s) between the WUS and a downlink signal sent during the on-duration following the WUS, and the like. Reference Figures 3A to 3D as well as Figure 4A and Figure 4B Describe more specific aspects of each technology.

[0121] In some aspects, each of the one or more indicated PCI(s) may refer to an association with one or more TRPs (e.g., in a first mode) and / or with one or more serving cells in a candidate serving cell group (e.g., in a second mode).

[0122] Figures 3A to 3D An example of a WUS configuration 300 for supporting WUS selected cell indication for mobility according to aspects of the present disclosure is shown. In some examples, the WUS configuration 300 can implement aspects of the wireless communication system 100 and / or 200. Aspects of the WUS configuration 300 can be implemented by a UE and / or a base station, which can be examples of corresponding devices described herein. In some aspects, a base station can be associated with one or more cells, TRPs, etc., each device being associated with a corresponding PCI.

[0123] In summary, Figure 3A The WUS configuration 300 - a shows an example in which the WUS indicates PCI(s) when the previous WUS indicates that the UE is to remain in the idle state. Figure 3B The WUS configuration 300 - b shows an example of a default configuration in which the WUS indicates a PCI(s) based on an offset between the application time of the WUS and the indicated PCI(s). Figure 3C The WUS configuration 300 - c shows an example in which the WUS transmits ACK / NACK resources used by the UE to acknowledge reception of the WUS. Figure 3D The WUS configuration 300 - d shows an example in which a default configuration to be applied when the UE does not detect a WUS is defined for the UE.

[0124] refer to Figure 3AIn the WUS configuration 300-a, aspects of the described technology include that when the WUS 305 indicates that the UE remains in an inactive, dormant, or idle state during the on-duration 310, the WUS 315 before the on-duration 320 may be used to indicate the PCI(s). That is, at least when the previous WUS (e.g., WUS 305) indicates that there was no wake-up in the previous on-duration (e.g., on-duration 310), the WUS 315 may carry or otherwise indicate the PCI(s) for each UE. In some aspects, the UE may send a persistent / semi-persistent (P / SP) channel state information (CSI) report without monitoring the previous DRX on-duration (e.g., without monitoring the on-duration 310). That is, the UE may monitor the serving cell(s), TRP(s), etc. associated with the indicated PCI(s) to determine various channel conditions, such as reference signal received power (RSRP), signal-to-noise ratio (SNR), etc. The UE may then send its CSI report to the serving cell / TRP / base station(s) that sent its WUS(s) to indicate / update the candidate list of serving cell(s) / TRP(s) / base station(s).

[0125] For example, the UE may receive a first indication (e.g., in WUS 305) that the UE will remain in an inactive state of the DRX cycle during a first on-duration (e.g., during on-duration 310). The UE may receive a second indication (e.g., in WUS 315) that the UE will transition to an active state during a second on-duration (e.g., during on-duration 320). In response to the first indication indicating that the UE will remain in an inactive state during on-duration 310, the second indication may indicate or otherwise identify one or more PCIs for the UE to communicate when in an active state (e.g., during on-duration 320). The UE may identify the one or more PCIs from the second indication (e.g., from WUS 315).

[0126] In some aspects, the UE may also monitor various reference signals associated with one or more PCIs and send or otherwise communicate a channel state report (e.g., a CSI report) based on the monitoring. For example, the UE may monitor one or more base stations / serving cells / TRPs, such as the base station / serving cell / TRP that sent the first and second indications (e.g., WUS 305 and WUS 315) to the UE.

[0127] In some aspects, the UE may switch to a new cell based on an indication of one or more PCIs. For example, the UE may identify a serving cell associated with at least one of the one or more PCIs and perform a cell switching procedure to switch to the serving cell. As described above, references to a serving cell may include, but are not limited to, TRP(s) associated with the same serving cell and / or one or more serving cells in a candidate serving cell group.

[0128] Reference Figure 3B In the WUS configuration 300-b, aspects of the described technology include the WUS 325 indicating PCI(s) based on an offset between the WUS 325 and the application time of the indicated PCI(s). That is, the WUS 325 may carry or otherwise indicate the PCI(s) for each UE at least when a required minimum offset between the WUS 325 and the application time of the selected PCI(s) exceeds a threshold. This may include the serving cell / TRP / base station determining when the available PCI(s) are ready to communicate with the UE (e.g., based on when the UE can switch to each PCI). The serving cell / TRP / base station may include the indicated PCI(s) available for communication with the UE based on the PCI(s) during the corresponding on-duration.

[0129] For example, the UE may receive an indication that the UE will transition to an active state during the on-duration 330. The indication may be received via the WUS 325. The UE may identify one or more PCIs for the UE to communicate during the on-duration 330 based on the indication. In some aspects, the one or more PCIs identified in the indication may be based on an activation period associated with a corresponding serving cell associated with the one or more PCIs. That is, the PCI identified in the indication may be included based on a corresponding serving cell and / or UE that is configured or otherwise available for communication during the on-duration 330, for example, a minimum offset distance between the WUS 325 and the on-duration 330. Thus, the UE may communicate with at least one of the serving cells associated with the one or more PCIs during the on-duration 330.

[0130] In some aspects, this may be based on the capabilities of the UE. For example, the UE may signal its UE capabilities, which may include an indication of the UE's switching time. Based on the UE's switching time, the base station may only include in the indication the PCI that will be available during the on-duration 330. That is, based on the UE capability message, the base station may know how long it will take for the UE to switch to a new serving cell. If the UE's switching time is less than the duration between the WUS 325 and the on-duration 330, the corresponding PCI may be included in the indication.

[0131] In some aspects, the UE may switch to a new cell based on an indication of one or more PCIs. For example, the UE may identify a serving cell associated with at least one of the one or more PCIs and perform a cell switching procedure to switch to the serving cell. As described above, references to a serving cell may include, but are not limited to, TRP(s) associated with the same serving cell and / or one or more serving cells in a candidate serving cell group.

[0132] Although the techniques described above provide for WUS 325 to transmit an indication of one or more PCIs, in some examples, the indication may be provided in a non-WUS DCI. That is, the indication of one or more PCIs may be transmitted in a DCI sent during a previous on-duration.

[0133] refer to Figure 3C In the WUS configuration 300-c, aspects of the described technology include WUS 335 transmitting ACK / NACK resources for UEs to confirm reception of WUS 335. That is, each UE carrying the selected PCI(s) of WUS 335 can be configured with ACK / NACK feedback resources. In some aspects, the ACK / NACK resources for each UE can be configured outside or within the configured DRX on-duration (e.g., outside or during the on-duration 340).

[0134] For example, the UE may receive an indication (e.g., in WUS 335) that the UE will transition to an active state during the on-duration 340 and also identify one or more PCIs for the UE to communicate. The UE may receive or otherwise identify a configuration of one or more resources for sending a feedback signal confirming that the UE was able to successfully decode the indication (e.g., in WUS 335). Thus, the UE may transition to an active state during the on-duration 340 and send the feedback signal using the one or more resources while in the active state. However, it should be understood that in some examples, the UE may send the feedback signal during the on-duration 340 or after the on-duration 340. In general, the feedback signal may be an example of a HARQ ACK / NACK message.

[0135] In some aspects, the UE may switch to a new cell based on an indication of one or more PCIs. For example, the UE may identify a serving cell associated with at least one of the one or more PCIs and perform a cell switching procedure to switch to the serving cell. As described above, references to a serving cell may include, but are not limited to, TRP(s) associated with the same serving cell and / or one or more serving cells in a candidate serving cell group.

[0136] Reference Figure 3DWUS configuration 300-d, aspects of the described technology define a default configuration for the UE to be applied when the UE does not detect WUS345. That is, if WUS 345 is not detected, there is a decoding error, or there is no monitoring opportunity associated with the configured DRX on duration (e.g., on duration 350), a default UE behavior can be defined. In one option, the default configuration or behavior can include the UE staying awake for at least the next configured DRX on duration (e.g., staying awake for the on duration 350). In another option, the default configuration or behavior can include the UE going to sleep (e.g., inactive) for at least the next configured DRX on duration (e.g., being inactive for the on duration 350). In yet another option, the base station can dynamically indicate the default configuration (e.g., the base station can indicate which of the two options discussed above the UE will follow). The base station can dynamically indicate the default configuration or behavior via any downlink signal, such as DCI, MAC CE, RRC, etc.

[0137] For example, the UE may identify a default configuration associated with the UE's failure to detect an indication (e.g., WUS 345) of whether the UE transitions to an active state or remains in an inactive state during the on-duration 350. When the WUS 345 is not detected, the UE may apply the default configuration during the on-duration 350. For example, the UE may transition to an active state during the on-duration 350, may remain in the active state until a monitoring opportunity associated with detecting a second indication (e.g., a subsequent WUS), remain in the inactive state during the on-duration 350, and / or remain in the inactive state until a monitoring opportunity associated with detecting a second indication (e.g., a subsequent WUS). As described above, the default configuration may be known by the UE and the base station, and / or may be signaled by the base station and a configuration signal (e.g., DCI, MAC CE, RRC signal, etc.).

[0138] Figure 4A and Figure 4B An example of a WUS configuration 300 for supporting cell indication of WUS selection for mobility according to aspects of the present disclosure is shown. In some examples, the WUS configuration 400 can implement aspects of the wireless communication system 100 and / or 200 and / or the WUS configuration 300. Aspects of the WUS configuration 400 can be implemented by a UE and / or a base station, which can be examples of corresponding devices described herein. In some aspects, a base station can be associated with one or more cells, TRPs, etc., each device being associated with a corresponding PCI.

[0139] In summary, Figure 4AWUS configuration 400 - a shows an example of using DCI to indicate PCI(s) during a previous on-duration after a WUS. Figure 4B The WUS configuration 400 - b shows an example of splitting the indication of the PCI(s) between the WUS and a downlink (DL) signal sent during the on-duration following the WUS.

[0140] refer to Figure 4A In a WUS configuration 400-a, aspects of the described technology include a DCI 415 for indicating PCI(s) during an on-duration 410 following a WUS 405. That is, instead of a WUS 405 indicating a PCI(s), a non-WUS DCI (e.g., DCI 415) may signal a selected subset of PCI(s). The PCI(s) selected by each UE may be indicated by DCI 415 in a previous on-duration 410. There may be multiple options for the application period of the selected / indicated PCI(s). One option may include applying the selected PCI(s) to the next configured on-duration (e.g., on-duration 425 following a WUS 420), or to the next X consecutive on-durations (where X is a positive integer). Another option may include applying the selected PCI to all subsequent DRX on-durations until the PCI(s) are updated (e.g., by another WUS or non-WUS DCI). Yet another option may include applicable DRX on-durations configured / indicated by the base station, e.g., the 2nd to 5th on-durations after a previous DRX on-duration (e.g., after on-duration 410), where the selected PCI(s) are indicated by DCI 415.

[0141] For example, the UE may receive a downlink grant (e.g., a DCI grant) identifying one or more PCIs for the UE to communicate. The UE may receive the downlink grant while in the active state and during the on-duration 410. Subsequently, the UE may receive an indication (e.g., WUS 420) that the UE will transition to the active state during a second on-duration (e.g., during the on-duration 425). Thus, the UE may transition to the active state during the on-duration 425 based on the indication. In some aspects, the UE may communicate with one or more serving cells associated with the one or more PCIs based on the indication.

[0142] In some aspects, the base station and / or UE may identify an application window for one or more PCIs. Examples of application windows include, but are not limited to, the next on-duration (e.g., on-duration 425), a set of subsequent on-durations (multiple) after on-duration 410, and / or an indication that an update of one or more PCIs needs to be received (e.g., in a subsequent WUS and / or non-WUS DCI). In some aspects, DCI 415 may identify or otherwise indicate an application window for one or more PCIs.

[0143] In some aspects, the UE may switch to a new cell based on an indication of one or more PCIs. For example, the UE may identify a serving cell associated with at least one of the one or more PCIs and perform a cell switching procedure to switch to the serving cell. As described above, references to a serving cell may include, but are not limited to, TRP(s) associated with the same serving cell and / or one or more serving cells in a candidate serving cell group.

[0144] refer to Figure 4B In a WUS configuration 400-b, aspects of the described technology include splitting the indication of PCI(s) between WUS 430 and a downlink signal 440 sent during an on-duration 435 following the WUS 430, e.g., sequential signaling of subsets of PCI(s). That is, the WUS 430 may indicate a portion (e.g., a first subset) of the selected PCI(s) to reduce signaling overhead in the WUS 430. Once the UE is awakened in the next on-duration (e.g., on-duration 435), the remaining portion (e.g., a second subset) of the selected PCI may be further signaled to the UE (e.g., in a downlink signal 440 such as a DCI, MAC CE, RRC, etc.). In some aspects, the signaling of the remaining portion of the selected PCI may also be based on a UE trigger. For example, the UE may send a trigger (e.g., a confirmation signal) to indicate that the UE has switched to the first portion of the selected PCI(s) indicated in the WUS 430. The base station may then signal the remaining portion (e.g., the second subset) of the selected PCI(s) via the first portion of the selected PCI(s), for example via base station(s), cell(s), TRP(s), etc. associated with the first subset of the PCI(s) indicated in WUS 430.

[0145] For example, the UE may receive an indication (e.g., in WUS 430) that the UE will transition to an active state during an on-duration 435. Based on the indication (e.g., based on WUS 430), the UE may identify a first subset of one or more PCIs for the UE to communicate. The UE may transition to an active state during the on-duration 435 based on the indication, and receive a downlink signal 440 identifying a second subset of one or more PCIs for the UE to communicate while in the active state.

[0146] In some aspects, the UE may send an acknowledgement that the UE has switched to a serving cell associated with a first subset of one or more PCIs. In this aspect, the indication of the second subset of PCIs transmitted in the downlink signal 440 may be based on the base station receiving an acknowledgement from the UE. However, the described technology is not limited to this example, and instead, the base station may send a downlink signal 440 that transmits an indication of the second subset of one or more PCIs regardless of whether it receives an acknowledgement from the UE.

[0147] In some aspects, the UE may receive a downlink signal 440 from at least one PCI in the first subset of one or more PCIs. That is, the UE may identify a serving cell associated with at least one of the first subset of one or more PCIs, switch to the serving cell, and the serving cell may then send the downlink signal 440.

[0148] Figure 5 A block diagram 500 of a device 505 supporting WUS selected cell indication for mobility according to aspects of the present disclosure is shown. The device 505 may be an example of aspects of the UE 115 as described herein. The device 505 may include a receiver 510, a communication manager 515, and a transmitter 520. The device 505 may also include a processor. Each of these components may communicate with each other (e.g., via one or more buses).

[0149] The receiver 510 may receive information such as packets, user data, or control information associated with various information channels (e.g., control channels, data channels, and information related to WUS selected cell indication for mobility, etc.). The information may be delivered to other components of the device 505. The receiver 510 may be a reference Figure 8 Examples of aspects of transceiver 820 are described. Receiver 510 may utilize a single antenna or a collection of antennas.

[0150] The communication manager 515 may receive, prior to a first on-duration of the DRX cycle, a first indication that the UE will remain in an inactive state during the first on-duration of the DRX cycle, and receive, prior to a second on-duration of the DRX cycle, a second indication that the UE will transition to an active state during the second on-duration, wherein the second indication is based on the first indication indicating that the UE will remain in an inactive state during the first on-duration, indicates one or more PCIs for the UE to communicate when in an active state, and identifies the one or more PCIs indicated in the second indication.

[0151] The communication manager 515 may also receive an indication prior to the on-duration of the DRX cycle that the UE will transition to an active state during the on-duration, identify based on the indication one or more PCIs for the UE to communicate during the on-duration, the one or more PCIs being indicated based on activation periods associated with corresponding service cells associated with the one or more PCIs, and communicate with at least one service cell associated with the one or more PCIs during the on-duration.

[0152] The communication manager 515 may also receive, prior to the on-duration of the DRX cycle, an indication that the UE will transition to an active state during the on-duration and one or more PCIs for the UE to communicate, receive configuration of one or more resources for sending a feedback signal confirming that the UE was able to successfully decode the indication based on the indication, transition to the active state during the on-duration based on the indication, and send the feedback signal using the one or more resources while in the active state.

[0153] The communication manager 515 may also identify a default configuration associated with a failure to detect an indication of whether the UE transitions to an active state or remains in an inactive state during an on-duration of a DRX cycle during a corresponding monitoring period and apply the default configuration during the on-duration at least in response to a failure to detect the indication.

[0154] The communication manager 515 may also receive a downlink grant identifying one or more PCIs for the UE to communicate while in the active state and during a first on-duration of the DRX cycle, transition to the active state during a second on-duration based on the indication, and receive an indication before the second on-duration of the DRX cycle that the UE will transition to the active state of the DRX cycle during the second on-duration.

[0155] The communication manager 515 may also receive an indication before the on-duration of the DRX cycle that the UE will transition to an active state during the on-duration, identify a first subset of one or more PCIs used for communication by the UE based on the indication, receive a downlink signal identifying a second subset of one or more PCIs used for communication by the UE while in the active state, and transition to the active state during the on-duration based on the indication.

[0156] Communications manager 515 may be an example of aspects of communications manager 810 described herein.

[0157] The communication manager 515 or its subcomponents may be implemented by hardware, code (e.g., software or firmware) executed by a processor, or any combination thereof. If implemented in code executed by a processor, the functions of the communication manager 515 or its subcomponents may be performed by a general purpose processor, a digital signal processor (DSP), an application specific integrated circuit (ASIC), a field programmable gate array (FPGA) or other programmable logic device, discrete gate or transistor logic, discrete hardware components, or any combination thereof designed to perform the functions described in the present disclosure.

[0158] The communication manager 515 or its subcomponents can be physically located in a variety of locations, including being distributed so that portions of the functionality are implemented by one or more physical components at different physical locations. In some examples, the communication manager 515 or its subcomponents can be independent and distinct components according to various aspects of the present disclosure. In some examples, the communication manager 515 or its subcomponents can be combined with one or more other hardware components, including but not limited to input / output (I / O) components, a transceiver, a network server, another computing device, one or more other components described in the present disclosure, or a combination thereof according to various aspects of the present disclosure.

[0159] Transmitter 520 can transmit signals generated by other components of device 505. In some examples, transmitter 520 can be collocated with receiver 510 in a transceiver. For example, transmitter 520 can be a reference Figure 8 Examples of aspects of the transceiver 820 are described. The transmitter 520 may utilize a single antenna or a collection of antennas.

[0160] Figure 6 A block diagram 600 of a device 605 supporting WUS selected cell indication for mobility according to aspects of the present disclosure is shown. The device 605 may be an example of aspects of the device 505 or UE 115 as described herein. The device 605 may include a receiver 610, a communication manager 615, and a transmitter 635. The device 605 may also include a processor. Each of these components may communicate with each other (e.g., via one or more buses).

[0161] The receiver 610 may receive information such as packets, user data, or control information associated with various information channels (e.g., control channels, data channels, and information related to WUS selected cell indication for mobility, etc.). The information may be delivered to other components of the device 605. The receiver 610 may be a reference Figure 8 Examples of aspects of transceiver 820 are described. Receiver 610 may utilize a single antenna or a collection of antennas.

[0162] Communications manager 615 may be an example of aspects of communications manager 515 as described herein. Communications manager 615 may include WUS manager 620, PCI manager 625, and on-duration manager 630. Communications manager 615 may be an example of aspects of communications manager 810 as described herein.

[0163] The WUS manager 620 may receive, prior to a first on-duration of the DRX cycle, a first indication that the UE will remain in an inactive state during the first on-duration of the DRX cycle, and receive, prior to a second on-duration of the DRX cycle, a second indication that the UE will transition to an active state during the second on-duration, wherein the second indication indicates one or more PCIs for the UE to communicate when in an active state based on the first indication indicating that the UE will remain in an inactive state during the first on-duration.

[0164] PCI manager 625 may identify the one or more PCIs indicated in the second indication.

[0165] The WUS manager 620 may receive an indication prior to the OnDuration of the DRX cycle that the UE will transition to an active state during the OnDuration.

[0166] The PCI manager 625 can identify one or more PCIs for the UE to communicate during the on-duration based on the indication, the one or more PCIs being indicated based on the activation period associated with the corresponding service cells associated with the one or more PCIs, and communicate with at least one service cell associated with the one or more PCIs during the on-duration.

[0167] The WUS manager 620 may receive, prior to the on-duration of the DRX cycle, an indication that the UE will transition to an active state during the on-duration and one or more PCIs for the UE to communicate, and based on the indication, receive a configuration of one or more resources for sending a feedback signal confirming that the UE was able to successfully decode the indication.

[0168] The on-duration manager 630 may transition to the active state during the on-duration based on the indication.

[0169] PCI manager 625 may send feedback signals using one or more resources while in an active state.

[0170] The WUS manager 620 may identify a default configuration associated with a failure to detect an indication of whether the UE transitions to an active state or remains in an inactive state during an on-duration of a DRX cycle during a corresponding monitoring period and apply the default configuration during the on-duration in response to at least a failure to detect the indication.

[0171] The on-duration manager 630 may receive a downlink grant identifying one or more PCIs for the UE to communicate while in the active state and during a first on-duration of the DRX cycle, and transition to the active state during a second on-duration based on the indication.

[0172] The WUS manager 620 may receive an indication that the UE will transition to the active state of the DRX cycle during the second on-duration prior to the on-duration of the DRX cycle. The WUS manager 620 may receive an indication that the UE will transition to the active state of the DRX cycle during the on-duration prior to the on-duration of the DRX cycle.

[0173] The PCI manager 625 may identify a first subset of one or more PCIs for the UE to communicate based on the indication and receive a downlink signal identifying a second subset of one or more PCIs for the UE to communicate while in an active state.

[0174] The on-duration manager 630 may transition to the active state during the on-duration period as directed.

[0175] Transmitter 635 can transmit signals generated by other components of device 605. In some examples, transmitter 635 can be collocated with receiver 610 in a transceiver. For example, transmitter 635 can be a reference Figure 8 Examples of aspects of the transceiver 820 are described. The transmitter 635 may utilize a single antenna or a collection of antennas.

[0176] Figure 7A block diagram 700 of a communication manager 705 supporting WUS selected cell indication for mobility according to aspects of the present disclosure is shown. The communication manager 705 may be an example of aspects of the communication manager 515, the communication manager 615, or the communication manager 810 described herein. The communication manager 705 may include a WUS manager 710, a PCI manager 715, a channel state manager 720, a cell handover manager 725, a UE capability manager 730, an on-duration manager 735, a DRX state manager 740, an application window manager 745, and an acknowledgement manager 750. Each of these components may communicate with each other directly or indirectly (e.g., via one or more buses).

[0177] The WUS manager 710 may receive, prior to a first on-duration of the DRX cycle, a first indication that the UE will remain in an inactive state during the first on-duration of the DRX cycle. In some examples, the WUS manager 710 may receive, prior to a second on-duration of the DRX cycle, a second indication that the UE will transition to an active state during a second on-duration, wherein the second indication indicates one or more PCIs for the UE to communicate in the active state based on the first indication that the UE will remain in an inactive state during the first on-duration.

[0178] In some examples, the WUS manager 710 may receive an indication prior to the on-duration of the DRX cycle that the UE will transition to an active state during the on-duration. In some examples, the WUS manager 710 may receive an indication prior to the on-duration of the DRX cycle that the UE will transition to an active state during the on-duration and one or more PCIs for the UE to communicate. In some examples, the WUS manager 710 may receive a configuration of one or more resources for sending a feedback signal confirming that the UE was able to successfully decode the indication based on the indication. In some examples, the WUS manager 710 may identify a default configuration associated with an indication of failure to detect whether the UE transitioned to an active state or remained in an inactive state during the on-duration of the DRX cycle during the corresponding monitoring period.

[0179] In some examples, the WUS manager 710 may apply a default configuration during the on-duration period based at least on a response to failing to detect the indication. In some examples, the WUS manager 710 may receive an indication that the UE will transition to an active state of the DRX cycle during the second on-duration period before the second on-duration period of the DRX cycle. In some examples, the WUS manager 710 may receive an indication that the UE will transition to an active state of the DRX cycle during the on-duration period before the on-duration period of the DRX cycle. In some examples, the WUS manager 710 may receive a configuration signal indicating a default configuration. In some cases, a first indication is received in a first WUS, and a second indication is received in a second WUS. In some cases, an indication is received in at least one of a WUS or a non-WUS DCI. In some cases, an indication is received in a WUS. In some cases, the configuration signal includes at least one of a DCI or a MAC CE or an RRC signal or a combination thereof. In some cases, an indication is received in a WUS, and a downlink grant includes a DCI.

[0180] The PCI manager 715 may identify one or more PCIs indicated in the second indication. In some examples, the PCI manager 715 may identify one or more PCIs for the UE to communicate during the on-duration based on the indication, the one or more PCIs being indicated based on an activation period associated with a corresponding serving cell associated with the one or more PCIs. In some examples, the PCI manager 715 may communicate with at least one serving cell associated with the one or more PCIs during the on-duration. In some examples, the PCI manager 715 may send a feedback signal using one or more resources while in an active state.

[0181] In some examples, the PCI manager 715 may identify a first subset of one or more PCIs for the UE to communicate based on the indication. In some examples, the PCI manager 715 may receive a downlink signal identifying a second subset of one or more PCIs for the UE to communicate while in an active state. In some cases, the feedback signal includes a HARQ ACK / NACK message. In some cases, the downlink signal includes at least one of a DCI or a MAC CE or an RRC signal or a combination thereof.

[0182] The on-duration manager 735 may transition to an active state during the on-duration period based on the indication. In some examples, the on-duration manager 735 may receive a downlink grant identifying one or more PCIs for the UE to communicate while in the active state and during the first on-duration period of the DRX cycle. In some examples, the on-duration manager 735 may transition to an active state during the on-duration period based on the indication. In some examples, the on-duration manager 735 may transition to an active state during the on-duration period based on the indication. In some cases, a feedback signal is sent during the on-duration period or after the on-duration period.

[0183] The channel state manager 720 may monitor a reference signal associated with the identified one or more PCIs during the first on-duration. In some examples, the channel state manager 720 may send a channel state report based on the monitoring during the first on-duration. In some cases, the channel state report is sent to a base station associated with the first indication and the second indication.

[0184] The cell switching manager 725 may perform a cell switching procedure with a serving cell associated with at least one of the one or more PCIs identified. In some examples, the cell switching manager 725 may perform a cell switching procedure with a serving cell associated with at least one of the one or more PCIs identified. In some examples, the cell switching manager 725 may perform a cell switching procedure with a serving cell associated with at least one of the one or more PCIs identified. In some examples, the cell switching manager 725 may perform a cell switching procedure with a serving cell associated with at least one of the one or more PCIs identified. In some cases, the serving cell includes one or more transmitting and receiving points of the same serving cell or at least one of the one or more serving cells in a candidate serving cell group.

[0185] The UE capability manager 730 may send a UE capability message indicating a cell switching time for the UE to switch to a new serving cell, wherein one or more PCIs are included in the indication based on the cell switching time of the UE and an activation period of each corresponding serving cell.

[0186] The DRX state manager 740 may transition to an active state during the on-duration based on a failure to detect an indication. In some examples, the DRX state manager 740 may remain in the active state until a monitoring opportunity associated with detecting a second indication. In some examples, the DRX state manager 740 may remain in an inactive state during the on-duration based on a failure to detect an indication. In some examples, the DRX state manager 740 may remain in an inactive state until a monitoring opportunity associated with detecting a second indication.

[0187] The application window manager 745 can identify an application window for one or more PCIs. In some examples, the application window manager 745 can communicate with the one or more PCIs based on the application window. In some cases, the application window includes at least one of the next on-duration of the DRX cycle, or a set of on-durations of subsequent one or more DRX cycles after receiving the on-duration of the downlink grant or until receiving an indication to update the one or more PCIs. In some cases, the downlink grant indicates the application window of the one or more PCIs.

[0188] Acknowledgement manager 750 may send an acknowledgement during an initial portion of the on-duration that the UE has switched to a serving cell associated with a first subset of the one or more PCIs, wherein a downlink signal is received in response to sending the acknowledgement. In some cases, the downlink signal is received from at least one physical cell identifier in the first subset of the one or more PCIs.

[0189] Figure 8 A diagram of a system 800 including a device 805 supporting cell indication for WUS selection for mobility according to aspects of the present disclosure is shown. The device 805 may be an example of or include components of a device 505, a device 605, or a UE 115 as described herein. The device 805 may include components for two-way voice and data communications, including components for sending and receiving communications, including a communication manager 810, an I / O controller 815, a transceiver 820, an antenna 825, a memory 830, and a processor 840. These components may be in electronic communication via one or more buses (e.g., a bus 845).

[0190] The communication manager 810 may receive, prior to a first on-duration of the DRX cycle, a first indication that the UE will remain in an inactive state during the first on-duration of the DRX cycle, and receive, prior to a second on-duration of the DRX cycle, a second indication that the UE will transition to an active state during the second on-duration, wherein the second indication is based on the first indication indicating that the UE will remain in an inactive state during the first on-duration, indicates one or more PCIs for the UE to communicate when in an active state, and identifies the one or more PCIs indicated in the second indication.

[0191] The communication manager 810 may also receive an indication prior to the on-duration of the DRX cycle that the UE will transition to an active state during the on-duration, identify one or more PCIs for the UE to communicate during the on-duration based on the indication, the one or more PCIs being indicated based on activation periods associated with corresponding service cells associated with the one or more PCIs, and communicate with at least one service cell associated with the one or more PCIs during the on-duration.

[0192] The communication manager 810 may also receive, prior to the on-duration of the DRX cycle, an indication that the UE will transition to an active state during the on-duration and one or more PCIs for the UE to communicate, receive configuration of one or more resources for sending a feedback signal confirming that the UE can successfully decode the indication based on the indication, transition to the active state during the on-duration based on the indication, and send the feedback signal using the one or more resources while in the active state.

[0193] The communications manager 810 may also identify a default configuration associated with a failure to detect an indication of whether the UE 10 transitions to an active state or remains in an inactive state during an on-duration of a DRX cycle during a corresponding monitoring period and apply the default configuration during the on-duration in response to at least a failure to detect the indication.

[0194] The communication manager 810 may also receive a downlink grant identifying one or more PCIs for the UE to communicate while in an active state and during a first on-duration of a DRX cycle, transition to an active state during a second on-duration based on the indication, and receive an indication prior to the second on-duration of the DRX cycle that the UE will transition to the active state of the DRX cycle during the second on-duration.

[0195] The communication manager 810 may also receive an indication before the on-duration of the DRX cycle that the UE will transition to an active state during the on-duration, identify a first subset of one or more PCIs used for communication by the UE based on the indication, receive a downlink signal identifying a second subset of one or more PCIs used for communication by the UE while in the active state, and transition to the active state during the on-duration based on the indication.

[0196] I / O controller 815 can manage input and output signals of device 805. I / O controller 815 can also manage peripheral devices that are not integrated into device 805. In some cases, I / O controller 815 can represent a physical connection or port to an external peripheral device. In some cases, I / O controller 815 can utilize a computer such as a Or another known operating system. In other cases, I / O controller 815 can be represented or interacted with by a modem, keyboard, mouse, touch screen, or similar device. In some cases, I / O controller 815 can be implemented as part of a processor. In some cases, a user can interact with device 805 via I / O controller 815 or via hardware components controlled by I / O controller 815.

[0197] The transceiver 820 can communicate bidirectionally via one or more antennas, wired or wireless links as described above. For example, the transceiver 820 can represent a wireless transceiver and can communicate bidirectionally with another wireless transceiver. The transceiver 820 can also include a modem for modulating packets and providing the modulated packets to an antenna for transmission, and demodulating packets received from an antenna.

[0198] In some cases, a wireless device may include a single antenna 825. However, in some cases, a device may have more than one antenna 825, which may be capable of transmitting or receiving multiple wireless transmissions simultaneously.

[0199] The memory 830 may include random access memory (RAM) and read-only memory (ROM). The memory 830 may store computer-readable computer executable code 835, which includes instructions that, when executed, cause the processor to perform various functions described herein. In some cases, the memory 830 may contain a basic input / output system (BIOS), etc., which may control basic hardware or software operations, such as interaction with peripheral components or devices.

[0200] The processor 840 may include an intelligent hardware device (e.g., a general purpose processor, a DSP, a CPU, a microcontroller, an ASIC, an FPGA, a programmable logic device, a discrete gate or transistor logic component, a discrete hardware component, or any combination thereof). In some cases, the processor 840 may be configured to operate a memory array using a memory controller. In other cases, the memory controller may be integrated into the processor 840. The processor 840 may be configured to execute computer-readable instructions stored in a memory (e.g., memory 830) to cause the device 805 to perform various functions (e.g., functions or tasks of supporting cell indication of WUS selection for mobility).

[0201] The code 835 may include instructions to implement aspects of the present disclosure, including instructions to support wireless communications. The code 835 may be stored in a non-transitory computer-readable medium such as a system memory or other type of memory. In some cases, the code 835 may not be directly executed by the processor 840, but may cause a computer (e.g., when compiled and executed) to perform the functions described herein.

[0202] Fig. 9 A block diagram 900 of a device 905 supporting WUS selected cell indication for mobility according to aspects of the present disclosure is shown. The device 905 may be an example of aspects of a base station 105 as described herein. The device 905 may include a receiver 910, a communication manager 915, and a transmitter 920. The device 905 may also include a processor. Each of these components may communicate with each other (e.g., via one or more buses).

[0203] The receiver 910 may receive information such as packets, user data, or control information associated with various information channels (e.g., control channels, data channels, and information related to WUS selected cell indication for mobility, etc.). The information may be delivered to other components of the device 905. The receiver 910 may be a reference Fig.12 Examples of aspects of the transceiver 1220 are described. The receiver 910 may utilize a single antenna or a collection of antennas.

[0204] The communication manager 915 may send a first indication to the UE before a first on-duration of the DRX cycle that the UE will remain in an inactive state during the first on-duration of the DRX cycle, and send a second indication before a second on-duration of the DRX cycle that the UE will transition to an active state during the second on-duration, wherein the second indication is based on the first indication indicating that the UE will remain in an inactive state during the first on-duration, indicates one or more PCIs for the UE to communicate when in an active state, and determines one or more PCIs for the UE to communicate.

[0205] The communication manager 915 may also identify one or more PCIs for the UE to communicate based on the activation period of the serving cell for the UE, and send an indication that the UE will transition to an active state and identify one or more PCIs during the on-duration period before the on-duration period of the UE's DRX cycle.

[0206] The communication manager 915 may also determine one or more resources for the UE to send a feedback signal, prior to the on-duration of the DRX cycle, during which the sending UE will transition to an active state, identify one or more PCIs for the UE to communicate, and identify an indication of one or more resources, and receive a feedback signal via the one or more resources, the feedback signal confirming that the UE was able to successfully decode the indication.

[0207] The communication manager 915 may also identify, for the UE, a default configuration associated with an indication that the UE failed to detect whether the UE transitioned to an active state or remained in an inactive state during an on-duration of a DRX cycle during a corresponding monitoring period, and send a configuration signal indicating the default configuration to the UE.

[0208] The communication manager 915 may also send a downlink grant identifying one or more PCIs for the UE to communicate to the UE when the UE is in an active state during a first on-duration of the DRX cycle, and send an indication that the UE will transition to an active state of the DRX cycle during the second on-duration before a second on-duration of the DRX cycle.

[0209] The communication manager 915 may also send an indication to the UE before the on-duration of the DRX cycle that the UE will transition to an active state during the on-duration of the DRX cycle, the indication identifying a first subset of one or more PCIs used for the UE to communicate, and send a downlink signal identifying a second subset of one or more PCIs used for the UE to communicate during the on-duration.

[0210] Communications manager 915 may be an example of aspects of communications manager 1210 described herein.

[0211] The communication manager 915 or its subcomponents may be implemented by hardware, code (e.g., software or firmware) executed by a processor, or any combination thereof. If implemented in code executed by a processor, the functions of the communication manager 915 or its subcomponents may be performed by a general purpose processor, DSP, ASIC, FPGA or other programmable logic device, discrete gate or transistor logic, discrete hardware components, or any combination thereof designed to perform the functions described in the present disclosure.

[0212] The communication manager 915 or its subcomponents can be physically located in a variety of locations, including being distributed so that portions of the functionality are implemented by one or more physical components at different physical locations. In some examples, the communication manager 915 or its subcomponents can be independent and distinct components according to various aspects of the present disclosure. In some examples, the communication manager 915 or its subcomponents can be combined with one or more other hardware components, including but not limited to I / O components, transceivers, network servers, another computing device, one or more other components described in the present disclosure, or combinations thereof according to various aspects of the present disclosure.

[0213] The transmitter 920 can transmit signals generated by other components of the device 905. In some examples, the transmitter 920 can be collocated with the receiver 910 in the transceiver. For example, the transmitter 920 can be a reference Fig.12 Examples of aspects of the transceiver 1220 are described. The transmitter 920 may utilize a single antenna or a collection of antennas.

[0214] Fig.10A block diagram 1000 of a device 1005 supporting cell indication for WUS selection for mobility according to aspects of the present disclosure is shown. The device 1005 may be an example of aspects of the device 905 or base station 105 as described herein. The device 1005 may include a receiver 1010, a communication manager 1015, and a transmitter 1035. The device 1005 may also include a processor. Each of these components may communicate with each other (e.g., via one or more buses).

[0215] The receiver 1010 may receive information such as packets, user data, or control information associated with various information channels (e.g., control channels, data channels, and information related to cell indications selected by WUS for mobility, etc.). The information may be delivered to other components of the device 1005. The receiver 1010 may be a reference Fig.12 Examples of aspects of the transceiver 1220 are described. The receiver 1010 may utilize a single antenna or a collection of antennas.

[0216] The communication manager 1015 may be an example of aspects of the communication manager 915 as described herein. The communication manager 1015 may include a WUS manager 1020, a PCI manager 1025, and an on-duration manager 1030. The communication manager 1015 may be an example of aspects of the communication manager 1210 as described herein.

[0217] The WUS manager 1020 may send a first indication to the UE before a first on-duration of the DRX cycle that the UE will remain in an inactive state during the first on-duration, and send a second indication before a second on-duration of the DRX cycle that the UE will transition to an active state during the second on-duration, wherein the second indication indicates one or more PCIs for the UE to communicate when the UE is in an active state based on the first indication that the UE will remain in an inactive state during the first on-duration.

[0218] PCI manager 1025 may determine one or more PCIs for the UE to communicate. PCI manager 1025 may identify, for the UE and based on an activation period of a serving cell, one or more PCIs for the UE 115 to communicate.

[0219] The WUS manager 1020 may send an indication that the UE will transition to an active state during the on-duration and identify one or more PCIs prior to the on-duration of the DRX cycle of the UE. The WUS manager 1020 may determine one or more resources for the UE to use for sending feedback signals, and send an indication that the UE will transition to an active state during the on-duration, identify one or more PCIs for the UE to communicate, and identify one or more resources prior to the on-duration of the DRX cycle.

[0220] The on-duration manager 1030 may receive a feedback signal over one or more resources confirming that the UE was able to successfully decode the indication.

[0221] The WUS manager 1020 may identify, for the UE, a default configuration associated with an indication that the UE failed to detect whether the UE transitioned to an active state or remained in an inactive state during an on-duration of a DRX cycle during a corresponding monitoring period, and send a configuration signal indicating the default configuration to the UE.

[0222] The on-duration manager 1030 may send a downlink grant to the UE identifying one or more PCIs for the UE to communicate when the UE is active during a first on-duration of the DRX cycle.

[0223] The WUS manager 1020 may send, before the second On-Duration of the DRX cycle, an indication that the UE will transition to an active state of the DRX cycle during the second On-Duration.

[0224] The WUS manager 1020 may send an indication to the UE prior to the OnDuration of the DRX cycle that the UE will transition to an active state of the DRX cycle during the OnDuration, the indication identifying a first subset of one or more PCIs for the UE to communicate.

[0225] The on-duration manager 1030 may send a downlink signal identifying a second subset of the one or more PCIs for the UE to communicate during the on-duration.

[0226] Transmitter 1035 can transmit signals generated by other components of device 1005. In some examples, transmitter 1035 can be collocated with receiver 1010 in a transceiver. For example, transmitter 1035 can be a reference Fig.12 Examples of aspects of the transceiver 1220 are described. The transmitter 1035 may utilize a single antenna or a collection of antennas.

[0227] Fig.11A block diagram 1100 of a communication manager 1105 supporting WUS selected cell indication for mobility according to aspects of the present disclosure is shown. The communication manager 1105 may be an example of aspects of the communication manager 915, the communication manager 1015, or the communication manager 1210 described herein. The communication manager 1105 may include a WUS manager 1110, a PCI manager 1115, a channel state manager 1120, a UE capability manager 1125, an on-duration manager 1130, an application window manager 1135, and an acknowledgement manager 1140. Each of these components may communicate with each other directly or indirectly (e.g., via one or more buses).

[0228] The WUS manager 1110 may send, before a first on-Duration of the DRX cycle, a first indication to the UE that the UE will remain in an inactive state of the DRX cycle during the first on-Duration.

[0229] In some examples, the WUS manager 1110 may send a second indication that the UE will transition to an active state during a second on-duration prior to a second on-duration of the DRX cycle, wherein the second indication indicates one or more PCIs for the UE to communicate when in the active state based on the first indication that the UE will remain in an inactive state during the first on-duration. In some examples, the WUS manager 1110 may send an indication that the UE will transition to an active state during the on-duration and identify one or more PCIs prior to an on-duration of the DRX cycle of the UE. In some examples, the WUS manager 1110 may determine one or more resources for the UE to use to send a feedback signal.

[0230] In some examples, the WUS manager 1110 may send an indication that the UE will transition to an active state during the on-duration, identify one or more PCIs for the UE to communicate, and identify one or more resources prior to the on-duration of the DRX cycle. In some examples, the WUS manager 1110 may identify, for the UE, a default configuration associated with an indication that the UE failed to detect whether the UE transitioned to an active state or remained in an inactive state during the on-duration of the DRX cycle during the corresponding monitoring period. In some examples, the WUS manager 1110 may send a configuration signal indicating the default configuration to the UE. In some examples, the WUS manager 1110 may send an indication that the UE will transition to an active state of the DRX cycle during a second on-duration prior to a second on-duration of the DRX cycle.

[0231] In some examples, the WUS manager 1110 may send an indication to the UE prior to the on-duration of the DRX cycle that the UE will transition to an active state of the DRX cycle during the on-duration, the indication identifying a first subset of one or more PCIs for the UE to communicate.

[0232] In some cases, the first indication is sent in a first WUS and the second indication is sent in a second WUS. In some cases, the indication is sent in at least one of a WUS or a non-WUS DCI. In some cases, the indication is sent in a WUS. In some cases, the configuration signal includes at least one of a DCI or a MAC CE or an RRC signal or a combination thereof. In some cases, the indication is sent in a WUS and the downlink grant includes a DCI. In some cases, the downlink signal includes at least one of a DCI or a MAC CE or an RRC signal or a combination thereof.

[0233] PCI manager 1115 may determine one or more PCIs for the UE to communicate. In some examples, PCI manager 1115 may identify one or more PCIs for the UE 115 to communicate based on an activation period of a serving cell for the UE.

[0234] The on-duration manager 1130 may receive a feedback signal via one or more resources, the feedback signal confirming that the UE was able to successfully decode the indication. In some examples, the on-duration manager 1130 may send a downlink grant identifying one or more PCIs for communication by the UE to the UE when the UE is active during the first on-duration of the DRX cycle. In some examples, the on-duration manager 1130 may send a downlink signal identifying a second subset of one or more PCIs for communication by the UE during the on-duration. In some cases, the feedback signal is received during the on-duration or after the on-duration. In some cases, the feedback signal includes a HARQ ACK / NACK message.

[0235] The channel state manager 1120 may receive a channel state report from the UE based on a result of the UE monitoring a reference signal associated with at least one of the one or more PCIs during the first on-duration.

[0236] The UE capability manager 1125 can receive a UE capability message indicating a cell switching time for the UE to switch to a new service cell, wherein one or more PCIs are included in the indication based on the switching time of the UE and the activation period of each corresponding service cell, and each service cell includes one or more transmitting and receiving points of the same service cell or at least one of one or more service cells in a candidate service cell group.

[0237] The application window manager 1135 may identify an application window for one or more PCIs, wherein the one or more PCIs are identified in a downlink grant based on the application window.

[0238] In some cases, the application window includes the next on-duration of the DRX cycle, or at least one of a set of on-durations of one or more subsequent DRX cycles after the on-duration of the downlink grant is sent or until an indication to update the one or more PCIs is sent. In some cases, the downlink grant indicates an application window for the one or more PCIs.

[0239] Acknowledgement manager 1140 may receive, during an initial portion of the on-Duration, an acknowledgement that the UE has switched to a serving cell associated with a first subset of the one or more PCIs, wherein the downlink signal is sent in response to receiving the acknowledgement.

[0240] Fig.12 A diagram of a system 1200 including a device 1205 supporting cell indication for WUS selection for mobility according to aspects of the present disclosure is shown. The device 1205 may be an example of or include components of the device 905, device 1005, or base station 105 as described herein. The device 1205 may include components for two-way voice and data communications, including components for sending and receiving communications, including a communication manager 1210, a network communication manager 1215, a transceiver 1220, an antenna 1225, a memory 1230, a processor 1240, and an inter-station communication manager 1245. These components may be in electronic communication via one or more buses (e.g., bus 1250).

[0241] The communication manager 1210 may send a first indication to the UE before a first on-duration of the DRX cycle that the UE will remain in an inactive state during the first on-duration of the DRX cycle, and send a second indication before a second on-duration of the DRX cycle that the UE will transition to an active state during the second on-duration, wherein the second indication is based on the first indication indicating that the UE will remain in an inactive state during the first on-duration, indicates one or more PCIs for the UE to communicate when in an active state, and determines one or more PCIs for the UE to communicate.

[0242] The communication manager 1210 may also identify one or more PCIs for the UE to communicate based on the activation period of the serving cell for the UE, and send an indication that the UE will transition to an active state during the on-duration and identify one or more PCIs before the on-duration of the UE's DRX cycle.

[0243] The communication manager 1210 may also determine one or more resources for the UE to send a feedback signal, prior to the on-duration of the DRX cycle, during which the sending UE will transition to an active state, identify one or more PCIs for the UE to communicate, and identify an indication of one or more resources, and receive a feedback signal via the one or more resources, the feedback signal confirming that the UE was able to successfully decode the indication.

[0244] The communication manager 1210 may also identify, for the UE, a default configuration associated with an indication that the UE failed to detect whether the UE transitioned to an active state or remained in an inactive state during an on-duration of a DRX cycle during a corresponding monitoring period, and send a configuration signal indicating the default configuration to the UE.

[0245] The communication manager 1210 may also send a downlink grant identifying one or more PCIs for the UE to communicate to the UE when the UE is in an active state during a first on-duration of the DRX cycle, and send an indication that the UE will transition to an active state of the DRX cycle during the second on-duration before a second on-duration of the DRX cycle.

[0246] The communication manager 1210 may also send an indication to the UE before the on-duration of the DRX cycle that the UE will transition to an active state during the on-duration of the DRX cycle, the indication identifying a first subset of one or more PCIs used for the UE to communicate, and send a downlink signal identifying a second subset of one or more PCIs used for the UE to communicate during the on-duration.

[0247] The network communications manager 1215 may manage communications with the core network (eg, via one or more wired backhaul links). For example, the network communications manager 1215 may manage the delivery of data communications for client devices such as one or more UEs 115 .

[0248] The transceiver 1220 may communicate bidirectionally via one or more antennas, wired or wireless links as described above. For example, the transceiver 1220 may represent a wireless transceiver and may communicate bidirectionally with another wireless transceiver. The transceiver 1220 may also include a modem for modulating packets and providing the modulated packets to an antenna for transmission, and demodulating packets received from an antenna.

[0249] In some cases, a wireless device may include a single antenna 1225. However, in some cases, a device may have more than one antenna 1225, which may be capable of transmitting or receiving multiple wireless transmissions simultaneously.

[0250] Memory 1230 may include RAM, ROM, or a combination thereof. Memory 1230 may store computer readable code 1235, which includes instructions that, when executed by a processor (e.g., processor 1240), cause the device to perform various functions described herein. In some cases, memory 1230 may include BIOS, etc., which may control basic hardware or software operations, such as interaction with peripheral components or devices.

[0251] Processor 1240 may include an intelligent hardware device (e.g., a general purpose processor, a DSP, a CPU, a microcontroller, an ASIC, an FPGA, a programmable logic device, a discrete gate or transistor logic component, a discrete hardware component, or any combination thereof). In some cases, processor 1240 may be configured to operate a memory array using a memory controller. In some cases, the memory controller may be integrated into processor 1240. Processor 1240 may be configured to execute computer-readable instructions stored in a memory (e.g., memory 1230) to cause device 1205 to perform various functions (e.g., functions or tasks of supporting cell indication of WUS selection for mobility).

[0252] The inter-site communication manager 1245 may manage communications with other base stations 105 and may include a controller or scheduler for controlling communications with UE 115 in collaboration with other base stations 105. For example, the inter-site communication manager 1245 may coordinate scheduling of transmissions to UE 115 for various interference mitigation techniques such as beamforming or joint transmission. In some examples, the inter-site communication manager 1245 may provide an X2 interface within an LTE / LTE-A wireless communication network technology to provide communications between base stations 105.

[0253] The code 1235 may include instructions to implement aspects of the present disclosure, including instructions to support wireless communications. The code 1235 may be stored in a non-transitory computer-readable medium such as a system memory or other type of memory. In some cases, the code 1235 may not be directly executed by the processor 1240, but may cause a computer (e.g., when compiled and executed) to perform the functions described herein.

[0254] Fig.13 A flow chart illustrating a method 1300 for supporting cell indication for WUS selection for mobility according to aspects of the present disclosure is shown. The operations of the method 1300 may be implemented by the UE 115 or components thereof, as described herein. For example, the operations of the method 1300 may be implemented by reference to Figures 5 to 8The communication manager described herein performs. In some examples, the UE may execute a set of instructions to control the functional elements of the UE to perform the functions described below. Additionally or alternatively, the UE may use dedicated hardware to perform aspects of the functions described below.

[0255] At 1305, the UE may receive a first indication that the UE will remain in an inactive state of the DRX cycle during the first on-duration before the first on-duration of the DRX cycle. The operation of 1305 may be performed according to the methods described herein. In some examples, aspects of the operation of 1305 may be described by reference to Figures 5 to 8 The WUS manager is used to execute.

[0256] At 1310, the UE may receive a second indication that the UE will transition to an active state during a second on-duration prior to a second on-duration of the DRX cycle, wherein the second indication indicates one or more PCIs for the UE to communicate when in the active state based on the first indication that the UE will remain in an inactive state during the first on-duration. The operations of 1310 may be performed according to the methods described herein. In some examples, aspects of the operations of 1310 may be described with reference to Figures 5 to 8 The WUS manager is used to execute.

[0257] At 1315, the UE may identify one or more PCIs indicated in the second indication. The operations of 1315 may be performed according to the methods described herein. In some examples, aspects of the operations of 1315 may be described by reference to Figures 5 to 8 The PCI manager is used to perform the above operations.

[0258] Fig.14 A flow chart illustrating a method 1400 for supporting cell indication for WUS selection for mobility according to aspects of the present disclosure is shown. The operations of the method 1400 may be implemented by the UE 115 or components thereof, as described herein. For example, the operations of the method 1400 may be implemented by reference to Figures 5 to 8 The communication manager described herein performs. In some examples, the UE may execute a set of instructions to control the functional elements of the UE to perform the functions described below. Additionally or alternatively, the UE may use dedicated hardware to perform aspects of the functions described below.

[0259] At 1405, the UE may receive an indication that the UE will transition to an active state during the on-duration period prior to the on-duration period of the DRX cycle. The operations of 1405 may be performed according to the methods described herein. In some examples, aspects of the operations of 1405 may be described by reference to Figures 5 to 8 The WUS manager is used to execute.

[0260] At 1410, the UE may identify one or more PCIs for the UE to communicate during the on-duration based on the indication, the one or more PCIs being indicated based on an activation period associated with a corresponding serving cell associated with the one or more PCIs. The operations of 1410 may be performed according to the methods described herein. In some examples, aspects of the operations of 1410 may be described with reference to Figures 5 to 8 The PCI manager is used to perform the above operations.

[0261] At 1415, the UE may communicate with at least one serving cell associated with one or more PCIs during the on-duration. The operations of 1415 may be performed according to the methods described herein. In some examples, aspects of the operations of 1415 may be described with reference to Figures 5 to 8 The PCI manager is used to perform the above operations.

[0262] Fig.15 A flow chart illustrating a method 1500 for supporting cell indication for WUS selection for mobility according to aspects of the present disclosure is shown. The operations of the method 1500 may be implemented by the UE 115 or components thereof, as described herein. For example, the operations of the method 1500 may be implemented by reference to Figures 5 to 8 The communication manager described herein performs. In some examples, the UE may execute a set of instructions to control the functional elements of the UE to perform the functions described below. Additionally or alternatively, the UE may use dedicated hardware to perform aspects of the functions described below.

[0263] At 1505, the UE may receive, prior to the on-duration of the DRX cycle, an indication that the UE will transition to an active state during the on-duration and one or more PCIs for the UE to communicate. The operations of 1505 may be performed according to the methods described herein. In some examples, aspects of the operations of 1505 may be described with reference to Figures 5 to 8 The WUS manager is used to execute.

[0264] At 1510, the UE may receive, based on the indication, a configuration of one or more resources for sending a feedback signal confirming that the UE was able to successfully decode the indication. The operations of 1510 may be performed according to the methods described herein. In some examples, aspects of the operations of 1510 may be described with reference to Figures 5 to 8 The WUS manager is used to execute.

[0265] At 1515, the UE may transition to an active state during the on-duration period based on the indication. The operations of 1515 may be performed according to the methods described herein. In some examples, aspects of the operations of 1515 may be described with reference to Figures 5 to 8 The on-duration manager is used to perform the above operation.

[0266] At 1520, the UE may send a feedback signal using one or more resources while in an active state. The operations of 1520 may be performed according to the methods described herein. In some examples, aspects of the operations of 1520 may be described with reference to Figures 5 to 8 The PCI manager is used to perform the above operations.

[0267] Fig.16 A flow chart illustrating a method 1600 for supporting cell indication for WUS selection for mobility according to aspects of the present disclosure is shown. The operations of the method 1600 may be implemented by the UE 115 or components thereof, as described herein. For example, the operations of the method 1600 may be implemented by reference to Figures 5 to 8 The communication manager described herein performs. In some examples, the UE may execute a set of instructions to control the functional elements of the UE to perform the functions described below. Additionally or alternatively, the UE may use dedicated hardware to perform aspects of the functions described below.

[0268] At 1605, the UE may identify a default configuration associated with a failure to detect an indication of whether the UE transitions to an active state or remains in an inactive state during an on-duration of a DRX cycle during a corresponding monitoring period. The operations of 1605 may be performed according to the methods described herein. In some examples, aspects of the operations of 1605 may be described with reference to Figures 5 to 8 The WUS manager is used to execute.

[0269] At 1610, the UE may apply a default configuration during the on-duration at least in response to failing to detect the indication. The operations of 1610 may be performed according to the methods described herein. In some examples, aspects of the operations of 1610 may be described with reference to Figures 5 to 8 The WUS manager is used to execute.

[0270] Fig.17 A flow chart illustrating a method 1700 for supporting cell indication for WUS selection for mobility according to aspects of the present disclosure is shown. The operations of the method 1700 may be implemented by the UE 115 or components thereof, as described herein. For example, the operations of the method 1700 may be implemented by reference to Figures 5 to 8 The communication manager described herein performs. In some examples, the UE may execute a set of instructions to control the functional elements of the UE to perform the functions described below. Additionally or alternatively, the UE may use dedicated hardware to perform aspects of the functions described below.

[0271] At 1705, the UE may receive a downlink grant identifying one or more PCIs for the UE to communicate while in an active state and during a first on-duration of a DRX cycle. The operations of 1705 may be performed according to the methods described herein. In some examples, aspects of the operations of 1705 may be described with reference to Figures 5 to 8 The on-duration manager is used to perform the above operation.

[0272] At 1710, the UE may receive an indication that the UE will transition to an active state of the DRX cycle during the second on-duration prior to the second on-duration of the DRX cycle. The operations of 1710 may be performed according to the methods described herein. In some examples, aspects of the operations of 1710 may be described by reference to Figures 5 to 8 The WUS manager is used to execute.

[0273] At 1715, the UE may transition to an active state during the second on-duration period according to the indication. The operations of 1715 may be performed according to the methods described herein. In some examples, aspects of the operations of 1715 may be described with reference to Figures 5 to 8 The on-duration manager is used to perform the above operation.

[0274] Fig.18 A flow chart illustrating a method 1800 for supporting cell indication for WUS selection for mobility according to aspects of the present disclosure is shown. The operations of the method 1800 may be implemented by the UE 115 or components thereof, as described herein. For example, the operations of the method 1800 may be implemented by reference to Figures 5 to 8 The communication manager described herein performs. In some examples, the UE may execute a set of instructions to control the functional elements of the UE to perform the functions described below. Additionally or alternatively, the UE may use dedicated hardware to perform aspects of the functions described below.

[0275] At 1805, the UE may receive an indication prior to the on-duration of the DRX cycle that the UE will transition to an active state of the DRX cycle during the on-duration. The operations of 1805 may be performed according to the methods described herein. In some examples, aspects of the operations of 1805 may be described by reference to Figures 5 to 8 The WUS manager is used to execute.

[0276] At 1810, the UE may identify a first subset of one or more PCIs for the UE to communicate based on the indication. The operations of 1810 may be performed according to the methods described herein. In some examples, aspects of the operations of 1810 may be described with reference to Figures 5 to 8 The PCI manager is used to perform the above operations.

[0277] At 1815, the UE may transition to an active state during the on-duration period according to the indication. The operations of 1815 may be performed according to the methods described herein. In some examples, aspects of the operations of 1815 may be described by reference to Figures 5 to 8 The on-duration manager is used to perform the above operation.

[0278] At 1820, the UE may receive a downlink signal identifying a second subset of one or more PCIs for the UE to communicate while in an active state. The operations of 1820 may be performed according to the methods described herein. In some examples, aspects of the operations of 1820 may be described with reference to Figures 5 to 8 The PCI manager is used to perform the above operations.

[0279] It should be noted that the methods described herein describe possible implementations, and that operations and steps may be rearranged or otherwise modified, and other implementations are possible. Furthermore, aspects from two or more methods may be combined.

[0280] The following provides an overview of aspects of the present disclosure:

[0281] Aspect 1: A method for wireless communication at a UE, comprising: receiving a first indication before a first on-duration of a DRX cycle that the UE will remain in an inactive state during the first on-duration of the DRX cycle; receiving a second indication before a second on-duration of the DRX cycle that the UE will transition to an active state during the second on-duration, wherein the second indication is at least partially based on the first indication indicating that the UE will remain in an inactive state during the first on-duration, indicating one or more PCIs for communication by the UE when in an active state; and identifying the one or more PCIs indicated in the second indication.

[0282] Aspect 2: The method according to aspect 1 further includes: during the first on-duration, monitoring a reference signal associated with the identified one or more PCIs; and during the first on-duration, sending a channel state report based at least in part on the monitoring.

[0283] Aspect 3: The method according to aspect 2, wherein the channel state report is sent to a base station associated with the first indication and the second indication.

[0284] Aspect 4: The method according to any one of aspects 1 to 3 further comprises: performing a cell switching procedure with a serving cell associated with at least one PCI among the identified one or more PCIs.

[0285] Aspect 5: The method according to aspect 4, wherein the serving cell comprises at least one of one or more transmission and reception points of the same serving cell or one or more serving cells in a candidate serving cell group.

[0286] Aspect 6: The method according to any one of aspects 1 to 5, wherein the first indication is received in a first WUS, and the second indication is received in a second WUS.

[0287] Aspect 7: A method for wireless communication at a UE, comprising: receiving an indication before an on-duration of a DRX cycle that the UE will transition to an active state during the on-duration; identifying one or more PCIs for the UE to communicate during the on-duration based at least in part on the indication, the one or more PCIs being indicated based at least in part on an activation period associated with a corresponding service cell associated with the one or more PCIs; and communicating with at least one service cell associated with the one or more PCIs during the on-duration.

[0288] Aspect 8: The method according to Aspect 7 also includes: sending a UE capability message indicating the cell switching time when the UE switches to a new service cell, wherein one or more PCIs are included in the indication based at least in part on the cell switching time of the UE and the activation period of each corresponding service cell.

[0289] Aspect 9: The method according to any one of aspects 7 to 8 further includes: performing a cell switching process with a serving cell associated with at least one PCI among the identified one or more PCIs.

[0290] Aspect 10: The method according to aspect 9, wherein the serving cell comprises at least one of one or more transmission and reception points of the same serving cell or one or more serving cells in a candidate serving cell group.

[0291] Aspect 11: The method according to any one of aspects 7 to 10, wherein the indication is received in at least one of a WUS or a non-WUS DCI.

[0292] Aspect 12: A method for performing wireless communications at a UE, comprising: receiving, prior to an on-duration of a DRX cycle, an indication that the UE will transition to an active state during an on-duration and one or more PCIs for the UE to communicate; receiving, based at least in part on the indication, a configuration of one or more resources for sending a feedback signal confirming that the UE can successfully decode the indication; transitioning to the active state during the on-duration based at least in part on the indication; and sending the feedback signal using the one or more resources while in the active state.

[0293] Aspect 13: The method according to aspect 12, wherein the feedback signal is sent during the on-duration or after the on-duration.

[0294] Aspect 14: The method according to any one of aspects 12 to 13 further comprises: performing a cell switching procedure with a serving cell associated with at least one PCI among the one or more PCIs.

[0295] Aspect 15: The method according to aspect 14, wherein the serving cell comprises at least one of one or more transmission and reception points of the same serving cell or one or more serving cells in a candidate serving cell group.

[0296] Aspect 16: The method according to any one of aspects 12 to 15, wherein the indication is received in a WUS.

[0297] Aspect 17: The method according to any one of aspects 12 to 16, wherein the feedback signal comprises a HARQ ACK / NACK message.

[0298] Aspect 18: A method for wireless communication at a UE, comprising: identifying a default configuration associated with a failure to detect an indication of whether the UE transitions to an active state or remains in an inactive state during an on-duration of a DRX cycle during a corresponding monitoring period; and applying the default configuration during the on-duration, at least based on a response to a failure to detect the indication.

[0299] Aspect 19: The method of aspect 18, wherein applying the default configuration comprises: transitioning to an active state during the on-duration period based at least in part on a failure to detect the indication.

[0300] Aspect 20: The method according to aspect 19, further comprising: remaining in the active state until a monitoring opportunity associated with detecting the second indication.

[0301] Aspect 21: The method of any of aspects 18 to 20, wherein applying the default configuration comprises: remaining in an inactive state during the on-duration period based at least in part on a failure to detect the indication.

[0302] Aspect 22: The method according to Aspect 21, further comprising: remaining in the inactive state until a monitoring opportunity associated with detecting the second indication.

[0303] Aspect 23: The method according to any one of aspects 18 to 22, further comprising: receiving a configuration signal indicating a default configuration.

[0304] Aspect 24: The method according to Aspect 23, wherein the configuration signal comprises at least one of a DCI or a MAC CE or an RRC signal or a combination thereof.

[0305] Aspect 25: A method for wireless communication at a UE, comprising: while in an active state and during a first on-duration of a DRX cycle, receiving a downlink grant identifying one or more PCIs for the UE to communicate; before a second on-duration of the DRX cycle, receiving an indication that the UE will transition to an active state of the DRX cycle during the second on-duration; and transitioning to the active state during the second on-duration based on the indication.

[0306] Aspect 26: The method according to Aspect 25, further comprising: identifying an application window for one or more PCIs; and communicating with the one or more PCIs based at least in part on the application window.

[0307] Aspect 27: A method according to Aspect 26, wherein the application window includes the next on-duration of the DRX cycle, or at least one of a set of on-durations of one or more subsequent DRX cycles after receiving the on-duration of the downlink authorization or until receiving an indication to update one or more PCIs.

[0308] Aspect 28: The method according to any one of aspects 26 to 27, wherein the downlink grant indicates an application window for one or more PCIs.

[0309] Aspect 29: The method according to any one of aspects 25 to 28, wherein the indication is received in a WUS and the downlink grant comprises a DCI.

[0310] Aspect 30: The method according to any one of aspects 25 to 29 further comprises: performing a cell switching procedure with a serving cell associated with at least one of the identified one or more PCIs.

[0311] Aspect 31: The method according to Aspect 30, wherein the serving cell comprises at least one of one or more transmission and reception points of the same serving cell or one or more serving cells in a candidate serving cell group.

[0312] Aspect 32: A method for wireless communication at a UE, comprising: receiving an indication before an on-duration of a DRX cycle that the UE will transition to an active state of the DRX cycle during the on-duration; identifying a first subset of one or more PCIs used for communication by the UE based at least in part on the indication; transitioning to the active state during the on-duration based on the indication; and receiving a downlink signal identifying a second subset of one or more PCIs used for communication by the UE while in the active state.

[0313] Aspect 33: The method according to Aspect 32 further includes: sending an acknowledgement during an initial portion of the on-duration that the UE has switched to a serving cell associated with a first subset of one or more PCIs, wherein the downlink signal is received in response to sending the acknowledgement.

[0314] Aspect 34: The method according to Aspect 33, wherein the downlink signal is received from at least one PCI of the first subset of one or more PCIs.

[0315] Aspect 35: The method according to any one of aspects 32 to 34, wherein the downlink signal comprises at least one of a DCI or a MAC CE or an RRC signal or a combination thereof.

[0316] Aspect 36: A method for performing wireless communications at a base station, comprising: sending a first indication to a UE before a first on-duration of a DRX cycle that the UE will remain in an inactive state during the first on-duration; determining one or more PCIs for the UE to communicate; and receiving a second indication before a second on-duration of the DRX cycle that the UE will transition to an active state during the second on-duration, wherein the second indication is at least partially based on the first indication that the UE will remain in an inactive state during the first on-duration, indicating one or more PCIs for the UE to communicate when in an active state.

[0317] Aspect 37: The method according to aspect 36 further includes: during the first on-duration, receiving a channel state report from the UE based at least in part on a result of the UE monitoring a reference signal associated with at least one of the one or more PCIs.

[0318] Aspect 38: The method according to any one of aspects 36 to 37, wherein the first indication is sent in a first WUS and the second indication is sent in a second WUS.

[0319] Aspect 39: A method for performing wireless communications at a base station, comprising: identifying, for a UE and at least in part based on an activation period of a serving cell, one or more PCIs for the UE to communicate; and sending an indication prior to an on-duration of a DRX cycle of the UE that the UE will transition to an activated state during the on-duration and identify one or more PCIs.

[0320] Aspect 40: The method according to Aspect 39 also includes: receiving a UE capability message indicating a cell switching time for the UE to switch to a new service cell, wherein one or more PCIs are included in the indication based at least in part on the switching time of the UE and the activation period of each corresponding service cell, and each service cell includes one or more transmitting and receiving points of the same service cell or at least one of one or more service cells in a candidate service cell group.

[0321] Aspect 41: The method according to any one of aspects 39 to 40, wherein the indication is sent in at least one of a WUS or a non-WUS DCI.

[0322] Aspect 42: A method for performing wireless communications at a base station, comprising: determining one or more resources for a UE to use to send a feedback signal; before an on-duration of a DRX cycle, sending an indication that the UE will transition to an active state during the on-duration, identifying one or more PCIs used for the UE to communicate, and identifying one or more resources; and receiving a feedback signal through the one or more resources, the feedback signal confirming that the UE was able to successfully decode the indication.

[0323] Aspect 43: The method according to Aspect 12, wherein the feedback signal is received during or after the on-duration.

[0324] Aspect 44: The method according to any one of aspects 42 to 43, wherein the indication is sent in a WUS.

[0325] Aspect 45: The method according to any one of aspects 42 to 44, wherein the feedback signal comprises a HARQ ACK / NACK message.

[0326] Aspect 46: A method for wireless communication at a base station, comprising: identifying, for a UE, a default configuration associated with an indication that the UE failed to detect whether the UE transitioned to an active state or remained in an inactive state during an on-duration of a DRX cycle during a corresponding monitoring period; and sending a configuration signal indicating the default configuration to the UE.

[0327] Aspect 47: The method according to Aspect 46, wherein the configuration signal comprises at least one of a DCI or a MAC CE or an RRC signal or a combination thereof.

[0328] Aspect 48: A method for wireless communication at a base station, comprising: sending a downlink grant identifying one or more PCIs for communication by the UE to a UE when the UE is in an active state during a first on-duration of a DRX cycle; and sending an indication that the UE will transition to an active state of the DRX cycle during the second on-duration before a second on-duration of the DRX cycle.

[0329] Aspect 49: The method according to Aspect 48, further comprising: identifying an application window for the one or more PCIs, wherein the one or more PCIs are identified in the downlink grant based at least in part on the application window.

[0330] Aspect 50: A method according to Aspect 49, wherein the application window includes the next on-duration of the DRX cycle, or at least one of a set of on-durations of one or more subsequent DRX cycles after the on-duration of the downlink grant is sent or until an indication of updating one or more PCIs is sent.

[0331] Aspect 51: The method according to any one of aspects 49 to 50, wherein the downlink grant indicates an application window for one or more PCIs.

[0332] Aspect 52: The method according to any one of aspects 48 to 51, wherein the indication is sent in a WUS and the downlink grant comprises a DCI.

[0333] Aspect 53: A method for performing wireless communications at a base station, comprising: sending an indication to a UE before an on-duration of a DRX cycle that the UE will transition to an active state during the on-duration of the DRX cycle, the indication identifying a first subset of one or more PCIs used for communication by the UE; and sending a downlink signal identifying a second subset of one or more PCIs used for communication by the UE during the on-duration.

[0334] Aspect 54: The method according to Aspect 53 further includes: receiving a confirmation that the UE has switched to a serving cell associated with a first subset of one or more PCIs during an initial portion of the on-duration, wherein the downlink signal is sent in response to receiving the confirmation.

[0335] Aspect 55: The method according to any one of aspects 53 to 54, wherein the downlink signal comprises at least one of a DCI or a MAC CE or an RRC signal or a combination thereof.

[0336] Aspect 56: An apparatus for wireless communication at a UE, comprising a processor; a memory coupled to the processor; and instructions stored in the memory and executable by the processor to cause the apparatus to perform the method of any one of aspects 1 to 6.

[0337] Aspect 57: An apparatus for wireless communication at a UE, comprising at least one component for performing the method of any one of aspects 1 to 6.

[0338] Aspect 58: A non-transitory computer-readable medium storing a code for wireless communication at a UE, the code comprising instructions executable by a processor to perform the method of any one of aspects 1 to 6.

[0339] Aspect 59: An apparatus for wireless communication at a UE, comprising a processor; a memory coupled to the processor; and instructions stored in the memory and executable by the processor to cause the apparatus to perform the method of any one of aspects 7 to 11.

[0340] Aspect 60: An apparatus for wireless communication at a UE, comprising at least one component for performing the method of any one of aspects 7 to 11.

[0341] Aspect 61: A non-transitory computer-readable medium storing a code for wireless communication at a UE, the code comprising instructions executable by a processor to perform the method of any one of aspects 7 to 11.

[0342] Aspect 62: An apparatus for wireless communication at a UE, comprising a processor; a memory coupled to the processor; and instructions stored in the memory and executable by the processor to cause the apparatus to perform the method of any one of aspects 12 to 17.

[0343] Aspect 63: An apparatus for wireless communication at a UE, comprising at least one component for performing the method of any one of aspects 12 to 17.

[0344] Aspect 64: A non-transitory computer-readable medium storing code for wireless communication at a UE, the code comprising instructions executable by a processor to perform the method of any one of aspects 12 to 17.

[0345] Aspect 65: An apparatus for wireless communication at a UE, comprising a processor; a memory coupled to the processor; and instructions stored in the memory and executable by the processor to cause the apparatus to perform the method of any one of aspects 18 to 24.

[0346] Aspect 66: An apparatus for wireless communication at a UE, comprising at least one component for performing the method of any one of aspects 18 to 24.

[0347] Aspect 67: A non-transitory computer-readable medium storing a code for wireless communication at a UE, the code comprising instructions executable by a processor to perform the method of any one of aspects 18 to 24.

[0348] Aspect 68: An apparatus for wireless communication at a UE, comprising a processor; a memory coupled to the processor; and instructions stored in the memory and executable by the processor to cause the apparatus to perform the method of any one of aspects 25 to 31.

[0349] Aspect 69: An apparatus for wireless communication at a UE, comprising at least one component for performing the method of any one of aspects 25 to 31.

[0350] Aspect 70: A non-transitory computer-readable medium storing a code for wireless communication at a UE, the code comprising instructions executable by a processor to perform the method of any one of aspects 25 to 31.

[0351] Aspect 71: An apparatus for wireless communication at a UE, comprising a processor; a memory coupled to the processor; and instructions stored in the memory and executable by the processor to cause the apparatus to perform the method of any one of aspects 32 to 35.

[0352] Aspect 72: An apparatus for wireless communication at a UE, comprising at least one component for performing the method of any one of aspects 32 to 35.

[0353] Aspect 73: A non-transitory computer-readable medium storing a code for wireless communication at a UE, the code comprising instructions executable by a processor to perform the method of any one of aspects 32 to 35.

[0354] Aspect 74: An apparatus for wireless communication at a base station, comprising a processor; a memory coupled to the processor; and instructions stored in the memory and executable by the processor to cause the apparatus to perform the method of any one of aspects 36 to 38.

[0355] Aspect 75: An apparatus for wireless communication at a base station, comprising at least one component for performing the method of any one of aspects 36 to 38.

[0356] Aspect 76: A non-transitory computer-readable medium storing code for wireless communication at a base station, the code comprising instructions executable by a processor to perform the method of any of aspects 36 to 38.

[0357] Aspect 77: An apparatus for wireless communication at a base station, comprising a processor; a memory coupled to the processor; and instructions stored in the memory and executable by the processor to cause the apparatus to perform the method of any one of Aspects 39 to 41.

[0358] Aspect 78: An apparatus for wireless communication at a base station, comprising at least one component for performing the method of any one of aspects 39 to 41.

[0359] Aspect 79: A non-transitory computer-readable medium storing code for wireless communication at a base station, the code comprising instructions executable by a processor to perform the method of any one of aspects 39 to 41.

[0360] Aspect 80: An apparatus for wireless communication at a base station, comprising a processor; a memory coupled to the processor; and instructions stored in the memory and executable by the processor to cause the apparatus to perform the method of any one of aspects 42 to 45.

[0361] Aspect 81: An apparatus for wireless communication at a base station, comprising at least one component for performing the method of any one of aspects 42 to 45.

[0362] Aspect 82: A non-transitory computer-readable medium storing code for wireless communication at a base station, the code comprising instructions executable by a processor to perform the method of any of Aspects 42 to 45.

[0363] Aspect 83: An apparatus for wireless communication at a base station, comprising a processor; a memory coupled to the processor; and instructions stored in the memory and executable by the processor to cause the apparatus to perform the method of any one of aspects 46 to 47.

[0364] Aspect 84: An apparatus for wireless communication at a base station, comprising at least one component for performing the method of any one of Aspects 46 to 47.

[0365] Aspect 85: A non-transitory computer-readable medium storing code for wireless communication at a base station, the code comprising instructions executable by a processor to perform the method of any one of aspects 46 to 47.

[0366] Aspect 86: An apparatus for wireless communication at a base station, comprising a processor; a memory coupled to the processor; and instructions stored in the memory and executable by the processor to cause the apparatus to perform the method of any one of aspects 48 to 52.

[0367] Aspect 87: An apparatus for wireless communication at a base station, comprising at least one component for performing the method of any one of aspects 48 to 52.

[0368] Aspect 88: A non-transitory computer-readable medium storing code for wireless communication at a base station, the code comprising instructions executable by a processor to perform the method of any of Aspects 48 to 52.

[0369] Aspect 89: An apparatus for wireless communication at a base station, comprising a processor; a memory coupled to the processor; and instructions stored in the memory and executable by the processor to cause the apparatus to perform the method of any one of aspects 53 to 55.

[0370] Aspect 90: An apparatus for wireless communication at a base station, comprising at least one component for performing the method of any one of aspects 53 to 55.

[0371] Aspect 91: A non-transitory computer-readable medium storing code for wireless communication at a base station, the code comprising instructions executable by a processor to perform the method of any one of aspects 53 to 55.

[0372] Although aspects of LTE, LTE-A, LTE-A Pro, or NR systems may be described for purposes of example, and LTE, LTE-A, LTE-A Pro, or NR terminology may be used in much of the description, the techniques described herein are applicable to networks other than LTE, LTE-A, LTE-A Pro, or NR networks. For example, the techniques described may be applicable to various other wireless communication systems, such as Ultra Mobile Broadband (UMB), Institute of Electrical and Electronics Engineers (IEEE) 802.11 (Wi-Fi), IEEE 802.16 (WiMAX), IEEE 802.20, Flash-OFDM, and other systems and radio technologies not explicitly mentioned herein.

[0373] The information and signals described herein may be represented using any of a variety of different technologies and techniques. For example, data, instructions, commands, information, signals, bits, cycles, and chips that may be referenced throughout the specification may be represented by voltages, currents, electromagnetic waves, magnetic fields or particles, optical fields or particles, or any combination thereof.

[0374] The various illustrative blocks and components described in conjunction with the disclosure herein may be implemented or executed with a general purpose processor, DSP, ASIC, CPU, FPGA or other programmable logic device, discrete gate or transistor logic, discrete hardware components, or any combination thereof designed to perform the functions described herein. A general purpose processor may be a microprocessor, but in an alternative, the processor may be any processor, controller, microcontroller, or state machine. The processor may also be implemented as a combination of computing devices, for example, a combination of a DSP and a microprocessor, a plurality of microprocessors, one or more microprocessors in combination with a DSP core, or any other such configuration.

[0375] The functions described herein may be implemented in hardware, software executed by a processor, firmware, or any combination thereof. If implemented in software executed by a processor, the functions may be stored or transmitted as one or more instructions or codes on a computer-readable medium. Other examples and implementations are within the scope of the present disclosure and the appended claims. For example, due to the nature of software, the functions described herein may be implemented using software executed by a processor, hardware, firmware, hard wiring, or any combination of these. Features that implement the functions may also be physically located in various locations, including being distributed so that parts of the functions are implemented at different physical locations.

[0376] Computer readable medium includes both non-transitory computer storage medium and communication medium, and computer storage medium and communication medium include any medium that helps to transfer computer program from one place to another place.Non-transitory storage medium can be any available medium that can be accessed by general or special-purpose computer.As an example and not limitation, non-transitory computer readable medium can include random access memory (RAM), read-only memory (ROM), electrically erasable programmable ROM (EEPROM), flash memory, compact disk (CD) ROM or other optical disk storage, disk storage or other magnetic storage device or can be used to carry or store required program code mode in the form of instruction or data structure and can be accessed by general or special-purpose computer or general or special-purpose processor Any other non-transitory medium.In addition, any connection is appropriately referred to as computer readable medium.For example, if coaxial cable, fiber optic cable, twisted pair, digital subscriber line (DSL) or wireless technology (such as infrared, radio and microwave) is used to send software from website, server or other remote source, coaxial cable, fiber optic cable, twisted pair, DSL or wireless technology (such as infrared, radio and microwave) are included in the definition of computer readable medium. Disk and disc, as used herein, includes CDs, laser discs, optical discs, digital versatile discs (DVDs), floppy disks and Blu-ray discs, where disks usually reproduce data magnetically and discs reproduce data optically with lasers. Combinations of the above are also included within the scope of computer-readable media.

[0377] As used herein, including in the claims, "or", as used in a list of items (e.g., a list of items preceded by a phrase such as "at least one" or "one or more"), indicates an inclusive list, so that, for example, a list of at least one of A, B, or C means A or B or C or AB or AC or BC or ABC (i.e., A and B and C). In addition, as used herein, the phrase "based on" should not be interpreted as a reference to a closed set of conditions. For example, an example step described as "based on condition A" can be based on both condition A and condition B without departing from the scope of the present disclosure. In other words, as used herein, the phrase "based on" should be interpreted in the same manner as the phrase "based at least in part on".

[0378] In the drawings, similar components or features may have the same reference label. In addition, various components of the same type may be distinguished by following the reference label with a dash and a second label that distinguishes between the similar components. If only the first reference label is used in the specification, the description applies to any of the similar components having the same first reference label, without regard to the second reference label or other subsequent reference labels.

[0379] The descriptions set forth herein in conjunction with the accompanying drawings describe example configurations and do not represent all examples that may be implemented or within the scope of the claims. The term "example" as used herein means "used as an example, instance, or illustration," rather than "preferred" or "superior to other examples." For the purpose of providing an understanding of the described techniques, the detailed description includes specific details. However, these techniques may be practiced without these specific details. In some cases, in order to avoid confusing the concepts of the described examples, known structures and devices are shown in block diagram form.

[0380] The description herein is provided to enable one of ordinary skill in the art to make or use the present disclosure. Various modifications to the present disclosure will be apparent to one of ordinary skill in the art, and the general principles defined herein may be applied to other variations without departing from the scope of the present disclosure. Therefore, the present disclosure is not limited to the examples and designs described herein, but conforms to the broadest scope consistent with the principles and novel features disclosed herein.

Claims

1. A method for wireless communication at a user equipment (UE), comprising: identifying a default configuration associated with not decoding an indication of whether the UE transitions to an active state or remains in an inactive state during an on-duration of a discontinuous reception (DRX) cycle during a corresponding monitoring period, wherein the default configuration indicates whether the UE transitions to the active state or remains in the inactive state during the on-duration of the DRX cycle during the corresponding monitoring period; as well as applying the default configuration during the on-duration in response to not decoding the indication, The indication can be used to identify one or more physical cell identifiers so that the UE communicates during the connection duration, and wherein a switching time of the UE to one or more serving cells associated with the one or more physical cell identifiers is less than a duration between receiving the indication and the connection duration.

2. The method according to claim 1, wherein applying the default configuration comprises: Transitioning to the active state during the on-duration is based at least in part on not decoding the indication.

3. The method according to claim 2, further comprising: The active state is maintained until a monitoring opportunity associated with detecting a second indication.

4. The method according to claim 1, wherein applying the default configuration comprises: Remaining in the inactive state during the on-duration based on not decoding the indication.

5. The method according to claim 4, further comprising: The inactive state is maintained until a monitoring opportunity associated with detecting a second indication.

6. The method according to claim 1, further comprising: A configuration signal is received indicating the default configuration.

7. The method of claim 6, wherein the configuration signal comprises at least one of downlink control information (DCI), or a medium access control (MAC) control element (CE), or a radio resource control (RRC) signal, or a combination thereof.

8. An apparatus for wireless communication at a user equipment UE, comprising: Memory; and One or more processors are coupled to the memory and configured to execute the method according to any one of claims 1-7.

9. An apparatus for wireless communication at a user equipment UE, comprising: Means for performing the method according to any one of claims 1-7.

10. A non-transitory computer readable medium having instructions stored thereon, which when executed by one or more processors cause the one or more processors to perform the method of any one of claims 1-7.

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