841 results about "Radio access technology" patented technology

This application provides a communication method and apparatus for reducing energy consumption while maintaining normal communication of a network apparatus. In the method, a terminal apparatus obtains operation mode information of a network apparatus, where an operation mode of the network apparatus includes one of a first operation mode or a second operation mode, and the first operation mode and the second operation mode belong to a same radio access technology. In the first operation mode, a transmission resource for a synchronization signal of the network apparatus has lower overheads or supports fewer functions. Alternatively, an access procedure in the first operation mode is different from an access procedure in the second operation mode. Based on the operation mode information, the terminal apparatus performs communication with the network apparatus by using the configuration information in one of the first operation mode and the second operation mode.

Disclosed embodiments generally relate to edge-based multi-Radio Access Technology (RAT) traffic management (TM) solutions to support delay-sensitive traffic over heterogeneous networks. Embodiments include delay-aware TM implementations that split and / or steer network traffic across different RATs for the edge network control plane. Embodiments also include utilization threshold-based implementations to achieve delay-aware multi-path TM at the network's edge. The multi-path TM includes multi-RAT, multi-access, or multi-connectivity traffic routes. Embodiments include strategies to sort users (or devices) for making multi-RAT traffic distribution decisions and to determinate the utilization thresholds. Embodiments also include message exchange mechanisms or learning utilization thresholds and other useful system properties. Other embodiments may be described and / or claimed.

Embodiments described herein relate to wireless communications, including methods and apparatus for dynamically selecting subscriber identity module (SIM) profiles, electronic SIM (eSIM) profiles, multi-SIM operating modes, and / or wireless access networks for network slice based applications of wireless devices. A wireless device can include at least two SIM / eSIM profiles and switch use of SIM / eSIM profiles, change between dual SIM operating modes, and / or select a registration mode based on requirements of one or more applications in use and availability of network slices via different wireless networks.

In some implementations, a device may identify a network node that supports a first radio access technology (RAT), wherein the network node is associated with sessions with user equipments (UEs). The device may calculate a percentage of traffic from the sessions that is associated with the first RAT and not a second RAT. The device may determine that the network node is associated with a score based on the percentage of traffic associated with the first RAT not satisfying a threshold. The device may collect, based on the network node being associated with the score, device data associated with the UEs. The device may determine a network issue associated with the network node based on the device data. The device may determine a root cause for the network issue. The server may transmit an indication of the root cause.

Embodiments include methods for a first radio network node (RNN) in a wireless network to configure quality of experience (QoE) measurements by user equipment (UEs). Such methods include receiving, from a measurement function in the wireless network, a QoE measurement configuration (QMC associated with one or more service types; and configuring one or more UEs with the QMC. Such methods also include sending to a second RNN in the wireless network, a first request for handover of a particular one of the UEs from a first cell served by the first RNN via a first radio access technology (RAT) to a second cell served by the second RNN via a second RAT. The first request includes the QMC. Other embodiments include complementary methods performed by a second RNN or by a UE, as well as first RNNs, second RNNs, and UEs configured to perform such methods.

Disclosed are a method for communication and a terminal device. One example method includes: acquiring, by a terminal device, first information of a first radio access technology (RAT), wherein the first information indicates information related to a first resources of the first RAT, and each of the first RAT and a second RAT is an RAT used to transmit a sidelink, and wherein the first information is acquired within T milliseconds prior to a slot n, wherein the slot n is used to transmit on at least one of a physical sidelink shared channel (PSSCH) or a physical sidelink control channel (PSCCH) by using the second RAT based on the first information, wherein T is an integer.

The disclosure relates to apparatus and method for supporting Hybrid Automatic Repeat request (HARQ)-Acknowledgement (ACK) feedback for multicast service. In some aspects, a user equipment (UE) device may comprise at least one antenna; at least one radio, coupled to the at least one antenna and configured to perform wireless communication using at least one radio access technology; and one or more processors coupled to the at least one radio, wherein the one or more processors are configured to cause the UE device to: receive, from a base station, a Radio Resource Control (RRC) signaling which indicates that a semi-static codebook is configured for a Hybrid Automatic Repeat Request (HARQ)-Acknowledgement (ACK) feedback for both multicast and unicast and that a HARQ-ACK feedback for multicast is disabled; and generate a HARQ-ACK feedback report which excludes a HARQ-ACK bit for the multicast by using a time domain resource assignment (TDRA) for the unicast to configure the semi-static codebook.

A first network node receives, from a second network node, a message indicating whether a first maximum number of protocol data unit (PDU) sessions, of a multi-access protocol data unit (MA-PDU) established for a wireless device on a network slice, has been reached for a first radio access technology (RAT) type, or a second maximum number of PDU sessions established on the network slice has been reached for a second RAT type.

A system described herein may monitor Key Performance Indicators (“KPIs”) of a radio access network (“RAN”) that implements a first radio access technology (“RAT”), such as a Fifth Generation (“5G”) RAT. The system may determine, based on monitoring the KPIs of the RAN, that a particular RAN condition has occurred, and may notify a Fixed Wireless Access (“FWA”) device, that is wirelessly connected to the RAN via the first RAT and that is also wirelessly connected to a plurality of client devices via a second RAT, such as a WiFi RAT, that the particular RAN condition has occurred. The FWA device may implement one or more policies for communications between the FWA device and the plurality of client devices based on receiving the notification that the particular RAN condition has occurred.

Procedures, methods, architectures, apparatuses, systems, devices, and computer program products to facilitate coordination between multiple radio access technologies (RATs). In certain embodiments, a Stack Data Analytics Coordinator (SDAC) may be provided in association with radio protocol stacks (e.g., 5G NR and / or Wi-Fi) at user equipment and / or network access points (e.g., gNB and / or Wi-Fi AP). The SDAC may coordinate requests and / or collection of information (e.g., protocol stack measurements and / or statistics) among entities of multiple RATs. In certain embodiments, Network Data Analytics Services may be enhanced by being extended beyond a core network, such as to user equipment and / or network access points.

The present disclosure is related to multi-queue management techniques and packet reordering techniques for inter-radio access technology (RAT) and intra-RAT traffic steering. The multi-queue management and packet reordering techniques may be used in Multi-Access Management Services (MAMS) framework, which is a programmable framework that provides mechanisms for the flexible selection of network paths in a multi-access (MX) communication environment, based on an application's needs. Other embodiments may be described and / or claimed.

Techniques are provided for restricted radio access technology-based cell selection. An example method can include processing information from a public land mobile network (PLMN) indicating a first restricted radio access technology (RAT). The method can further include accessing memory to identify a set of RATs for connecting with the PLMN. The method can further include selecting a second RAT instead of the first restricted RAT from the set of RATs-based on the indication of the first restricted RAT. The method can further include connecting with a cell of the PLMN using the second RAT.

A ground station determines a location of a user equipment (UE) by triangulating signals from a single satellite at different times and positions as it orbits the earth. The ground station processing device determines a first pathlength between the UE and the satellite when the satellite is at a first position, and a second pathlength between the UE and the satellite when the satellite is at a second position. The ground station processing device triangulates an actual position of the UE based on the first pathlength and the second pathlength.

Methods and apparatus for sharing digital-to-analog (DAC) converters in a reconfigurable DAC circuit to support two or more transmit chains of a wireless transmitter configured for different radio access technologies (RATs) and / or different transmitter architectures. One example DAC circuit generally includes at least four DACs and a plurality of switches coupled to outputs of the at least four DACs such that the DAC circuit is configured as a multi-channel DAC circuit with at least four channels for a first set of one or more frequency bands and as an interleaved DAC circuit with at least two channels for a second set of one or more frequency bands different from the first set of frequency bands.

The disclosure relates to a system and a method for performing a Global Navigation Satellite System (GNSS) measurement in Non-terrestrial network (NTN). In some aspects, a user equipment (UE) may comprise: at least one antenna; at least one radio, configured to perform wireless communication using at least one radio access technology; and one or more processor coupled to the at least one radio, wherein the at least one radio and the one or more processor are configured to cause the UE to detect an event to trigger a Global Navigation Satellite System (GNSS) measurement; transmit, to a network device, a request to perform an event-triggered GNSS measurement, in response to detection of the event; receive, from the network device, a configuration for an event-triggered GNSS measurement gap during which the UE performs the event-triggered GNSS measurement in a connected state; and perform the event-triggered GNSS measurement in the connected state during the event-triggered GNSS measurement gap.

Network Slice Selection Assistance Information (NSSAI) may be signaled between User Equipment (UE) and a network. NSSAI sent from the network to the UE may include, for example, Operating Frequency Band (OFB) for each Single NSSAI (S-NSSAI) in the NSSAI, as well as a Radio Access Technology (RAT) Frequency Selection Priority (RFSP) index, which the network configures as a part of UE access and mobility subscription, during a UE registration procedure. RAT restrictions may be enhanced to indicate to the UE that certain slices are not accessible via certain RATs. A UE may be provided by the network with an alternative NSSAI and corresponding OFBs for each S-NSSAI, thereby indicating to the UE that these S-NSSAI would have been allowed had they been requested. A UE may be able to choose an alternative Allowed NSSAI and send a registration update request to the network.

Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a network node may receive, from a source master node, a secondary node release request corresponding to a conditional handover operation associated with a user equipment (UE) operating in accordance with multiple radio access technology dual connectivity, wherein the secondary node release request indicates that the network node is to continue to be a secondary node associated with the UE or that a target secondary node is to be the secondary node associated with the UE. The network node may perform a data transfer operation based at least in part on receiving the secondary node release request. Numerous other aspects are described.

Certain aspects of the present disclosure provide techniques for a UE with multiple universal subscription identity modules (i.e., a multi-USIM device) or concurrent radio access technology (C-RAT) capabilities to receive and respond to a page from a network of a first USIIM of the UE while not activating a receiver on that network by receiving the page (from the network of the first USIM) on a receiver active on a network of a second USIM. A method that may be performed by a user equipment (UE) includes sending a request to register for paging events in a registration request message to an access and management function (AMF) of a network of a first universal subscriber identifier module (USIM) of the UE; sending a paging public user identifier (PPUID) of the UE, in a protocol data unit (PDU) session, to a paging server via a network of a second USIM of the UE, wherein the paging server is associated with the network of the first USIM; and receiving a message associated with the first USIM via the PDU session or another PDU session via the network of the second USIM.

Techniques for providing security for providing a Secure Access Service Edge (SASE) solution for enhanced security for unmanaged devices for mobile networks (e.g., service provider networks for mobile subscribers) are disclosed. In some embodiments, various techniques to apply per network slice security for unmanaged devices in mobile networks with SASE are disclosed. In some embodiments, various techniques to apply per subscriber identity and / or equipment identity and / or subscriber number security for unmanaged devices in mobile networks with SASE are disclosed. In some embodiments, various techniques to apply per access point name / data network name (APN / DNN) security for unmanaged devices in mobile networks with SASE are disclosed. In some embodiments, various techniques to apply per location security for unmanaged devices in mobile networks with SASE are disclosed. In some embodiments, various techniques to apply per Radio Access Technology (RAT) security for unmanaged devices in mobile networks with SASE are disclosed.

A device executing a low-latency application that uses a Wi-Fi link may switch from the Wi-Fi link to using a second link to a multi-subscriber (MSIM) PHS device. The device may access, via the second link, any one of multiple cellular links, each cellular link corresponding to a different respective cellular subscription of multiple subscriptions used by the PHS device. The application executing on the device may thus use a preferred cellular link from among the multiple cellular links. The preferred cellular link may be determined based on parameters corresponding to the plurality of cellular links for each respective cellular subscription. The parameters may be obtained from a location database. The preferred cellular link (which may presently correspond to a primary subscription) on the PHS device may be switched to be a different cellular link (which may correspond to a non-primary subscription) during execution of the application on the device.

Techniques are provided for performing ranging operations with ultrawideband (UWB) devices in a network. An example method includes providing scrambled timestamp sequence information and a secure sequence to a wireless node via a first radio access technology, transmitting one or more initiator data packets to the wireless node via a second radio access technology based at least in part on the scrambled timestamp sequence information, receiving one or more responder data packets from the wireless node via the second radio access technology, computing a time of arrival estimate based on a correlation of the one or more received responder data packets with the scrambled timestamp sequence information and the secure sequence, and determining the integrity of the time of arrival estimate based at least in part on the correlation of the one or more received responder data packets with the scrambled timestamp sequence information and the secure sequence.

Embodiments of the present disclosure relate to methods and apparatuses for radio access technology (RAT) dependent positioning integrity. According to an embodiment of the present disclosure, a user equipment (UE) may include: a receiver configured to receive a request message to request first capability information for RAT-dependent positioning integrity from a base station (BS) or a location management function (LMF); a transmitter configured to transmit a response message including the first capability information to the BS or the LMF; and a processor coupled to the receiver and the transmitter.

Certain aspects of the present disclosure provide a method of wireless communication by a user equipment (UE). The method generally includes performing a mobility procedure to establish a connection in a target radio access technology (RAT) while maintaining a context established in a source RAT, wherein one of the source RAT or target RAT is a terrestrial network (TN) RAT and the other is a non-terrestrial network (NTN) RAT and sending a tracking area update (TAU) request after establishing the connection in the target RAT.

Apparatuses and methods related to coexistence of wireless systems in shared spectrum in a wireless communication system. A method for a user equipment (UE) includes receiving a master information block (MIB) that indicates a control resource set (CORESET) for receptions of physical downlink control channels (PDCCHs), receiving a first PDCCH in the CORESET, and receiving a second PDCCH in the CORESET. The first and second PDCCHs provide a first and second downlink control information (DCI) formats, respectively, that schedule reception of first and second physical downlink shared channel (PDSCHs), respectively. The method further includes determining to receive the first PDSCH when the UE operates according to a first radio access technology (RAT) or to receive the second PDSCH when the UE operates according to a second RAT and receiving the first PDSCH or the second PDSCH.

User equipment in close proximity may transfer data and control information. For example, the user equipment may exchange data or data sets between each other. Each user equipment can receive and transmit data using radio access technologies. A group of user equipments may include active user equipment and passive user equipment. Active user equipment connects with one or more base stations and transfers data on a wireless communication network via the base station. The active user equipment may communicate with other active user equipment and passive user equipment. Passive user equipment may not connect to any base station and / or the wireless communication network and may communicate with other passive user equipment and active user equipment (e.g., via a sidelink, peer-to-peer, or device-to-device channel).

A user equipment (UE) device may reside in a state of dual connectivity with a master cell group (MCG) and a secondary cell group (SCG), wherein the radio access technologies of the MCG and the SCG are different. While in the dual connectivity state, the UE device may transition to a mode of reduced activity (e.g., processing and / or RF activity) relative to the secondary cell group (SCG) in order to save power, e.g., when traffic flow via the SCG is below a threshold, or when scheduling activity on the SCG is low. Various mechanisms may be employed to reduce activity, e.g., mechanisms such as reduction of beam monitoring, deactivation of secondary cells of the SCG, reduction of number of active antenna elements, employment of longer periods for periodic measurement and reporting processes, etc.

User equipment in close proximity may transfer data and control information. For example, the user equipment may exchange data or data sets between each other. Each user equipment can receive and transmit data using radio access technologies. A group of user equipments may include active user equipment and passive user equipment. Active user equipment connects with one or more base stations and transfers data on a wireless communication network via the base station. The active user equipment may communicate with other active user equipment and passive user equipment. Passive user equipment may not connect to any base station and / or the wireless communication network and may communicate with other passive user equipment and active user equipment (e.g., via a sidelink, peer-to-peer, or device-to-device channel).

A method of initiating a UWB (Ultra-Wideband) ranging session includes: obtaining, at a first UWB device, first wireless signal transmission information indicating at least one time gap between first wireless signal transmissions; and transmitting, from the first UWB device to a second UWB device, a UWB ranging session initiation message indicating at least one available time for at least one future UWB signal transmission, corresponding to at least one future time gap, the at least one available time being based on the first wireless signal transmission information.

The present disclosure provides a wireless communication system (100) comprising a user equipment (UE) (102) with a processor (104) and memory (106) that determines optimized handover requirements based on multiple parameters including uplink (UL) data priority flag, downlink (DL) data priority flag, signal strength connectivity priority, real-time application terrestrial network (TN) preference priority, low latency connectivity priority, and battery requirement The UE applies internal biasing to measurement values of cells based on these requirements. The system includes a base station (108) with a processor (110) and transceiver (112) that receives measurement reports from the UE and executes handover decisions. The UE applies positive or negative offsets to measurement values for preferred or non-preferred radio access technology (RAT) cells, enabling optimal handover decisions in mixed RAT deployment environments.

Certain aspects of the present disclosure provide techniques for wireless communications by a user equipment (UE), comprising receiving, while connected to a serving cell of a first radio access technology (RAT), a serving cell measurement configuration, transmitting a serving cell measurement report when a first condition involving a first measurement of the serving cell is met, receiving a neighbor cell measurement configuration, and deciding whether to transmit a neighbor cell measurement report, based on at least one second condition involving a second measurement of the serving cell.