1480 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.

Enhanced user authentication in cellular networks This invention describes a method, apparatus, and system for authenticating, authorizing, and managing a connection in a cellular system to allow a user to retrieve / send some data, e.g., from / to an application function (AF) or to communicate with another remote user over multiple networks in an optimized / secure manner. The user may have one or multiple devices (UEs) using (e.g., connected to) multiple / different networks, e.g., a device with multiple subscriber identity modules (SIMs) and / or different radio access technologies.

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.

According to embodiments, a user equipment (UE) performs a first type of sensing in a sensing window to detect first one or more SL transmissions using a sidelink (SL) radio access technology (RAT). The UE performs a second type of sensing to detect second one or more transmissions using a non-SL RAT different from the SL RAT. The second type is different from the first type. The UE selects an SL resource in an unlicensed band in a selection window for an SL transmission based on the first type of sensing and the second type of sensing. The UE transmits the SL transmission via the SL resource using the SL RAT.

Methods and systems are provided to indicate assistance information for radio access technologies to support interface selection for New Radio (NR) Vehicle-to-Everything (V2X) processes. An upper layer entity exchanges information with lower layer entity while the upper layer can continue to use the existing interface for V2X transmission until it is not able to use the current interface. The upper layer can be a V2X layer and the lower layer can be an Access Stratum (AS) layer. The upper layer can request availability information from the lower layer for other applicable interfaces. The upper layer then instructs the lower layer to provide assistance information for one or more applicable interface(s), depending on whether mapped to the ongoing service. In providing availability information, the lower layer can continuously measure criteria, such as channel conditions, to determine the availability of relevant interfaces and indicate the availability information to the upper layer.

This invention describes apparatuses / methods for enhanced user authentication in cellular networks wherein the apparatus / method checks for a preferred authentication procedure, performs the preferred authentication procedure with a core network, and sets up a connection. Thereby, authentication challenges (such as retrieving core network data, optimizing resources and strength of authentication) arising from users of one or more devices (e.g., UEs) using multiple / different networks, (e.g., with multiple subscriber identity modules and / or different radio access technologies), avatar-based communication and / or biometrics (e.g., by means of embedded sensors or wireless sensing) can be addressed.

A method and apparatus for transmitting a physical random access channel (PRACH) in a wireless communication system is provided. A user equipment (UE) receives multiple PRACH configurations which include a first PRACH configuration for new radio access technology (NR) downlink / uplink (DL / UL) carrier in a NR band and a second PRACH configuration for a supplemental UL carrier in a long-term evolution (LTE) band, and transmits at least one of a first PRACH for accessing the NR DL / UL carrier in the NL band by using a first PRACH power based on the first PRACH configuration, or a second PRACH for accessing the supplemental UL carrier in the LTE band by using a second PRACH power based on the second PRACH configuration. The first PRACH configuration and the second PRACH configuration include different PRACH power configurations.

Systems and methods are disclosed for signaling Reduced Capability (RedCap) wireless communication device (WCD) capability during inter-Radio Access Technology (RAT) handover. In one embodiment, a method performed by a target network node for inter-RAT handover of a WCD from a source network node of a first RAT to the target network node of a second RAT comprises receiving, at the target network node, a message in association with preparation or execution of a handover of a WCD from the source network node of the first RAT to the target network node of the second RAT, the message comprising information about one or more capabilities of the WCD. The method further comprises determining that the WCD is a RedCap WCD based on the information about the one or more capabilities of the WCD and sending an indication that the WCD is a RedCap WCD to a core network node.

The present invention relates to methods and apparatus for providing backhaul wireless services using a plurality of different Radio Access Technologies. An exemplary method embodiment includes the steps of: determining a set of routes for the communication of data from a first wireless base station to a destination wireless base station over wireless backhaul communications links, the first wireless base station being an Integrated Access and Backhaul donor, receiving data of a first flow at the first wireless base station for communication to a first wireless user equipment device attached to the destination wireless base station; and selecting, at the first wireless base station, one or more of the routes of the set of routes from the first wireless base station to the destination wireless base station, the selection being based on multi-Radio Access Technology (multi-RAT) capability of wireless base stations of which a route is comprised.

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.

Methods, systems, and devices for wireless communications are described. A user equipment (UE) and / or a master node may use configurations to resume communications with one or more cells of a dual connectivity (DC) or carrier aggregation (CA) scheme. In some cases, the configuration may be used for a secondary cell group (SCG) of the DC scheme. This configuration may include the UE applying a previously stored configuration for the SCG (e.g., including higher-layer and lower-layer configurations of a last serving SN of the DC scheme) if it determines the previously stored configuration is valid. Additionally or alternatively, the configuration may include the network using a previous SCG configuration or reconfiguring the SCG and transmitting this indication in a resume communications message to the UE. In some cases, the network may determine this configuration based on assistance information or reports generated from the UE.

Embodiments of the present disclosure relate to mechanisms for identifying and overcoming overlaps in LTE-V2X and NR-V2X sidelink resources for sidelink communications. In example embodiments, a user equipment performs sensing of reserved resources in both a first sidelink radio access technology resource pool and a second sidelink radio access technology resource pool. Based on the sensing, forming at least one candidate resource set identifying all resources that are free to be used by the first radio access technology resource pool, based on the indication that these are not being used for transmission by at least one other user equipment of the first sidelink radio access technology resource pool and identifying for each of the resources in the at least one candidate resource set corresponding resources to be used for a physical sidelink feedback channel of the first sidelink radio access technology resource pool. Based on the sensing, exclude from the at least one candidate resource set all the resources for which the physical sidelink feedback channel resource is identified to be reserved for the transmission by the at least one other user equipment of the first sidelink radio access technology resource pool and select a resource to be used for the transmission of a physical sidelink control channel and physical sidelink shared channel from the at least one candidate resource set.

A method can comprise receiving, by a system, a service request from a user equipment. The method can further comprise, based on the service request, determining respective signal strengths of respective radio access technologies of multiple radio access technologies being used for cellular broadband communications. The method can further comprise, identifying a subset of the respective radio access technologies for which a signal strength criterion is satisfied. The method can further comprise processing a subset of the respective signal strengths corresponding to the subset of the respective radio access technologies using a machine learning model to determine a selected radio access technology, wherein the machine learning model is trained to determine the selected radio access technology based on an energy efficiency metric of the system and based on resource allocation of the system. The method can further comprise communicating with the user equipment via the selected radio access technology.

Methods, systems, and devices for wireless communications are described. A second wireless device (such as a head-mounted display (HMD) device) may communicate with a first wireless device (such as a user equipment (UE)) via a tethered wireless connection. The tethered wireless connection may be associated with a first type of radio access technology (RAT). The first wireless device may obtain an indication of one or more access points (APs) associated with a second type of RAT. The first wireless device may transmit an indication of one or more candidate APs for a handover of the second wireless device from the first wireless device to maintain the connectivity between the second wireless device and a network. As such, the second wireless device may use the wireless characteristics to determine whether to handover to a candidate AP or maintain the tethered wireless connection with the first wireless device.

A wireless device receives a message indicating a reference signal received power (RSRP) threshold value associated with a resource pool shared between a first radio access technology (RAT) and a second RAT, and transmits, via a first resource of the resource pool, a first sidelink transmission using the first RAT based on the RSRP threshold value. The RSRP threshold value is selected based on a first priority of the first sidelink transmission using the first RAT and a second priority indicated by a first sidelink control information, SCI, using the second RAT, reserving a second resource overlapping with a periodic resource of the first resource.

Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a network entity may receive, via a first frequency carrier, a first message of a multi-stage grant that includes the first message and a second message, wherein the multi-stage grant schedules a communication, wherein the first message indicates first information associated with the second message of the multi-stage grant, and wherein the first frequency carrier is associated with a first radio access technology (RAT). The network entity may receive, via a second frequency carrier, the second message of the multi-stage grant, wherein the second message indicates second information associated with the communication, and wherein the second frequency carrier is associated with a second RAT. The network entity may communicate, based on the second information, the communication. Numerous other aspects are described.

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.

Embodiments of the present application provide a method resource sharing between network technologies. The method includes: receiving indication information, where the indication information indicates a control resource set among multiple control resource sets, the control resource set comprises time-frequency resources for first downlink control information (DCI), the multiple control resource sets include a first control resource set, and the first control resource set includes part or all of a second control resource set associated with a second radio access technology; and receiving the first DCI based on the indication information. Part or all of the first control resource set could be shared between the first radio access technology and the second radio access technology, and the resource utilization could be improved.

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.

Methods, systems, and devices for wireless communications are described. The techniques described herein relate to control signaling for multiple radio access technology (RAT) carrier aggregation. A user equipment (UE) receives downlink control information (DCI) for a first RAT (e.g., 5G) and / or a second RAT (e.g., 6G), in a downlink control channel of the first RAT. The UE determines whether the DCI is associated with the first RAT or the second RAT by monitoring different search spaces, different control resource sets (CORESETs), different radio network temporary identifiers (RNTIs), different DCI lengths, different indication fields of the DCI, different capability parameters, and / or wake-up signals, that are associated with the downlink control channel communicated via the first RAT. The UE 115 communicates via the second RAT based on receiving the DCI.

Systems and methods are disclosed for radio resource arbitration for spectrum sharing between different Radio Access Technologies (RATs). In one embodiment, a method performed by a network node for radio resource arbitration for spectrum sharing between a first RAT and a second RAT comprises, for a non-Multicast Broadcast Single Frequency Network (MBSFN) subframe, determining whether non-latency-sensitive traffic for the first RAT can be delayed to one or more next MBSFN subframes and, upon determining that non-latency-sensitive traffic for the first RAT can be delayed, determining an amount of non-latency-sensitive traffic for the first RAT to be delayed until the one or more next MBSFN subframes. By leveraging the results of this determining, improved spectral efficiency and throughput can be achieved.

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.

The present disclosure describes co-channel coexistence mechanisms for mitigating interference between multiple radio access technologies (RATS) that operate in the same or neighbouring channels, frequency bands, and / or bandwidths. The co-channel coexistence mechanisms include variable transmission intervals including variable gaps or guard periods, and utilizing network allocation vectors (NAV). Other embodiments may be described and / or claimed.

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.

A terminal comprising: a communication unit configured to perform transmission and reception in a first RAT (Radio Access Technology); and a control unit configured to control communications in the first RAT. The control unit performs a synchronization in the first RAT based on a synchronization in a second RAT.

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.

Methods, systems, and devices for wireless communications are described that provide for multi-RAT spectrum sharing (MRSS) for network access procedures. MRSS may provide common resources for initial access information for each of two or more RATs. In some aspects, an initial bandwidth part (BWP) configuration may be provided for a MRSS cell, and a user equipment (UE) supporting MRSS, as well as UEs that support only one RAT (e.g., a legacy UE that supports an older technology RAT), may monitor for network access information in the common resources, such as a synchronization signal block (SSB) that provides access information for two RATs.

Embodiments of the present application provide a method and apparatus for spectrum sharing between network technologies. The method includes: receiving first indication information, where the first indication information indicates a mode among multiple modes, the multiple modes include a first mode, and a first set of configurations associated with the first mode includes part or all of a second set of configurations associated with a second radio access technology; and communicating based on the first indication information. The multiple terminal devices associated with different technologies may co-exist better.