Abstract: A server-implemented method is disclosed. The method includes: receiving a request from an IP Multimedia Subsystem (IMS) network node of an IMS network; and in response to receiving the request, providing NAS registration state information associated with a user equipment (UE) to the IMS network node, the NAS registration state information indicating at least one of fourth-generation (4G) single radio voice call continuity (SRVCC) capability of the UE or fifth-generation (5G) SRVCC capability of the UE that is applicable when using an access network supported by a core network, wherein the server is configured to store separate instances of UE SRVCC capabilities, the separate instances including indications of at least one of 4G UE SRVCC capability or 5G UE SRVCC capability that is applicable when using the access network supported by the core network, and wherein the UE is registered with the IMS network using a session initiation protocol (SIP) via the access network.

Abstract: A method and apparatus for receiving a broadcast configuration indicating when a change in a RAN function termination occurs is provided, for example, by a timer value. The broadcast configuration may be received from a satellite, blimp or other moving transmitter. A dedicated configuration may also be received from the serving cell. The dedicated configuration may include a preamble, a transient configuration and an indication of a layer 2 behavior. If a WTRU detects a change in RAN function termination, the WTRU may suspend any uplink data transmissions, apply the transient configuration and transmit the preamble to a target cell. The WTRU may synchronize with the target cell and apply the layer 2 behavior.

Abstract: Systems and methods to utilize user device network slicing and cell support to manage handover of communications for user device. A request to handover management of a user device from a first cell to a second cell is received. One or more possible cells for the handover are then identified. If the user device is utilizing network slicing, then the second cell is selected from the one or more possible cells based on that cell also supporting network slicing. If the cell supports the same network slice as being utilized by the user device, then the handover of the user device to the second cell is initiated.

Abstract: Methods, systems, and devices for wireless communications are described. Some wireless communications systems may support non-terrestrial network (NTN) signaling between both terrestrial and non-terrestrial devices. A user equipment (UE) supporting such NTN signaling may receive a downlink message indicating a first configuration for a first transmission reception point corresponding to a first cell of the NTN, and a second configuration for a second transmission reception point corresponding to a second cell of the NTN. The UE may then perform one or more synchronization measurements to synchronize uplink communications with the first transmission reception point and the second transmission reception point and in order to perform multi-transmission reception point communications in the NTN. The UE may then transmit one or more uplink messages to the first transmission reception point, to the second transmission reception point, or both, in accordance with the one or more synchronization measurements.

Abstract: A method of wireless communication by an integrated access and backhaul network (IAB) donor transmits a configuration message on a source path to a first IAB node via a first distributed unit of the IAB donor. The method also instructs the first IAB node to delay delivery of the configuration message to a second node. The method migrates at least part of communications to the first IAB node from the source path to a target path via a second distributed unit. Another method of wireless communication is executed by a first integrated access and backhaul network (IAB) node. The method receives a first configuration message over a source path to a first IAB donor via a first distributed unit of the first IAB donor. The method also delays delivery of the first configuration message to a second node until a trigger occurs.

Abstract: Methods, systems, and devices for wireless communications are described. A first base station may identify that the first base station is a secondary node for a user equipment (UE) operating in a dual connectivity deployment, where the UE is in a radio resource control (RRC) inactive state. The first base station may receive, from the UE, a request to resume communications with the first base station and a second base station that is a master node in the dual connectivity deployment. The first base station may verify the UE using an access stratum context associated with the UE, and resume communications with the UE based at least in part on the request and the access stratum context. The first base station may resume communications as a secondary node or as a master node. In some cases, the UE may resume communications without entering an RRC idle state.

Abstract: A functionality utilizing a centrally controlled strategy for continuous communication to specific autonomous vehicles, or drones, that are designed for extreme conditions and assigned specific missions with the ability to be replaced during the mission. This functionality is an improvement on existing swarm and leader-follower tactics as it retains control of the drones at a central command center, allowing the drones to both receive individual commands from the hub but also operate independently of it with direct pilot control. This direct communication allows for real time process of ordered substitution to replace any drone during the mission.

Abstract: The invention relates to an improved handover procedure for a mobile terminal. Under control of the target base station, the mobile terminal is to perform a handoff to a target base station, wherein it is to be configured for communication with the target base station via a target radio cell comprising a downlink carrier and an uplink carrier. The mobile terminal receives a handoff command message for the handoff to the target base station including a handoff execution condition as trigger for executing handoff to the target base station. Then, the mobile terminal determines, based on the received handoff execution condition, whether or not the mobile terminal is to trigger execution of the handoff to the target base station. In case the mobile terminal determines that it is to trigger execution of the handoff to the target base station, the mobile terminal executes the handoff to the target base station.

Abstract: A bearer configuration method and apparatus, a terminal device and a network device are provided. The method comprises: a terminal device receives a bearer configuration instruction sent by a network device, the bearer configuration instruction being configured to configure an SRB 2 and at least one data bearer for the terminal device, wherein the at least one data bearer comprises at least one DRB and/or at least one MRB.

Abstract: Apparatuses, methods, and systems are disclosed for registering with a mobile communication network (“MCN”) through another MCN. One apparatus includes a processor and a transceiver, wherein the apparatus is registered with a first MCN. The processor determines to register with a second MCN via the first MCN and sends a request to establish a data connection with the first MCN. The processor receives a command from the first MCN that initiates an authentication procedure with the first MCN and a registration procedure for registering the apparatus with the MCN. The processor exchanges a plurality of authentication messages with the first MCN, each of the authentication messages containing a signaling message for registering the apparatus with the second MCN, and completes the registration with the second MCN via the data connection in response to successfully establishing the data connection.

Abstract: A wireless device receives a release message indicating a small data transmission (SDT) procedure, of a cell, for an inactive state of the wireless device and indicating a downlink reference signal (RS), of a plurality of downlink RSs of the cell, associated with the SDT procedure. The wireless device initiates, during the SDT procedure, a beam failure detection and recovery procedure on the cell based on a measurement quantity of the downlink RS compared with a first threshold, and based on a cell measurement quantity, of one or more downlink RSs of the plurality downlink RSs, compared with a second threshold.

Abstract: In some implementations, an integrated broadband network gateway (BNG) device may communicate management information with a particular distributed BNG user plane device. The integrated BNG device may communicate control packets with the particular distributed BNG user plane device. The integrated BNG device may communicate session control and state information with the particular distributed BNG user plane device. The management information, the control packets, and the session control and state information may be communicated via respective interfaces between the integrated BNG device and the particular distributed BNG user plane device. Accordingly, the integrated BNG device may provide a BNG control plane for the particular distributed BNG user plane device.

Abstract: Apparatuses, methods, and systems are disclosed for selecting a non-3GPP access network. One apparatus includes a memory coupled to a processor configured to cause the apparatus to generate a list indicating a set of PLMNs and a respective trusted connectivity type associated with each PLMN of the set of PLMNs, select a PLMN from the set of PLMNs, select a trusted connectivity type associated with the selected PLMN, and select a non-3GPP access network from a set of non-3GPP access networks based on the non-3GPP access network supporting the selected trusted connectivity type associated with the selected PLMN and a priority of the non-3GPP access network. Additionally, the processor causes the apparatus to perform a connection procedure with the selected PLMN using the selected trusted connectivity type and via the selected non-3GPP access network.

Abstract: A source base station receives a first data packet from a core network device; a target base station receives a second data packet from the core network device, where the second data packet is a duplicate of the first data packet, and the first data packet and the second data packet each include a first index; the source base station sends first indication information to the target base station, where the first indication information indicates a mapping relationship between the first index and a second index; the source base station sends a third data packet to a user equipment UE in response to the first data packet; the target base station sends a fourth data packet to the UE in response to the second data packet, where the third data packet and the fourth data packet each include the second index.

Abstract: In one embodiment, a method for performing an operation for a first terminal in a wireless communication system comprises the steps of: determining that a physical layer problem has occurred during communication with a base station; starting a recovery timer for the physical layer problem; and transmitting, to a second terminal, sidelink data by using a sidelink resource, wherein the first terminal determines whether to perform switching from resource allocation mode 1 to resource allocation mode 2 in consideration of the latency budget of the sidelink data and the expiration time of the recovery timer.

Abstract: Embodiments of the present application disclose a roaming method for a wireless terminal. The method includes: detecting that first comprehensive signal quality of a first wireless terminal is lower than a first specified threshold, reducing a transmit power by a first specified value, wherein the specified packets are null packets, and sending specified packets to the first wireless terminal, so that the first wireless terminal broadcasts a probe request; sending, to neighboring APs, a scan request carrying a first identifier and a first channel accessed by the first wireless terminal, so that the neighboring APs return a scan response carrying the first identifier and third comprehensive signal quality; selecting a switch-to AP from the neighboring APs based on the first comprehensive signal quality and third comprehensive signal quality; and sending a transmit-power increasing notification carrying the first identifier and a second specified value to the switch-to AP.

Abstract: There are provided measures for feedback on network-assisted fallback to contention-based random access.

Abstract: System and computer-implemented method for generating multi-cloud recommendations for workloads uses costs and performance metrics of appropriate instance types in specific public clouds for target workloads to produce recommendation results. The appropriate instance types in the specific public clouds are determined based on instance capabilities and the workload type of the target workloads. In addition, a recommended cloud resource offering is determined for the target workloads, which is sent as a notification with the recommendation results of the appropriate instance types in the specific public clouds.

Abstract: Apparatuses, methods, and systems are disclosed for indicating the IMS capability for EPS fallback. One apparatus in a mobile communication network includes a processor and a transceiver that transmits to an IMS network entity a first SIP message comprising a request for establishing a data session, where the first SIP message contains a first contact header field. The transceiver receives a second SIP message from the IMS network entity for establishing the data session, where the second SIP message contains an indicator. The processor determines an IMS network capability from a combination of the first contact header field and the indicator.

Abstract: Embodiments of a generation Node-B (gNB), User Equipment (UE) and methods for communication are generally described herein. A source gNB may operate as a master gNB (MgNB) before a handover. A target gNB may operate as a secondary gNB (SgNB) before the handover. The target gNB may operate as the MgNB after the handover. The target gNB may, as part of operation as the SgNB, transmit a first data packet received from the source gNB for relay to the UE. The target gNB may, as part of operation as the MgNB, transmit, a second data packet received from a serving gateway (SGW) for relay to the UE.

Abstract: Example embodiments of the present disclosure relate to devices, methods, apparatuses and computer readable storage media for a primary secondary cell (PSCell) change failure. In example embodiments, a master network device receives, from a source secondary network device, a first request for a change of a terminal device from the source secondary network device to a target secondary network device. The master network device receives, from the source secondary network device, an identification of a source PSCell operated by the source secondary network device and serving the terminal device prior to the first request. The master network device further receives, from the terminal device, an indication of a radio link failure of the terminal device in a PSCell and transmits the indication of the radio link failure to the source secondary network device along with the identification of the source PSCell.

Abstract: For establishing network connections via a trusted gateway function, a method includes relaying a first set of messages of a first type between a remote unit and a mobile communication network via a non-3GPP access network, sending a connection setup request to the remote unit via the non-3GPP access network, and relaying subsequent messages of the first type between the remote unit and the mobile communication network via the non-3GPP access, where the first set of messages are encapsulated with a first encapsulation protocol and where the first set of messages initiate a registration procedure to the mobile communication network, where the connection request setup contains information for activating a second encapsulation protocol, where the subsequent messages are encapsulated with the second encapsulation protocol, and where the subsequent messages complete the registration procedure.

Abstract: This disclosure provides a method unmanned aerial vehicle handover, a base station, and a non-transitory computer readable storage medium. The method for unmanned aerial vehicle handover includes: when base stations meeting handover conditions are determined based on a measurement report sent by an unmanned aerial vehicle, determining whether there is a candidate base station that has completed a handover preparation existed among the base stations meeting the handover conditions; and when there is a candidate base station that has completed the handover preparation existed among the base stations meeting the handover conditions, handing over the unmanned aerial vehicle to the candidate base station meeting the handover conditions.

Abstract: Certain aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment may select at least one target node for a radio resource control connection, wherein the user equipment is in a particular radio resource control communication state when the at least one target node is selected, and wherein the user equipment is configured to communicate using dual-connectivity, wherein context information associated with the user equipment is stored by the user equipment, a master node associated with the user equipment, and a secondary node associated with the user equipment based at least in part on the user equipment being in the particular radio resource control communication state; and/or transmit information to the at least one target node or the master node to cause the context information to be provided to the at least one target node. Numerous other aspects are provided.

Abstract: Securely setting up mesh networks in a secure manner that does not require a physical network cable being attached to a wireless device and that do not require transmitting unencrypted information wirelessly when a mesh network is setup. Methods and apparatus may use different communication interfaces and different types of channels to ensure that devices included in or being added to a wireless mesh network always communicate securely. Methods and apparatus may use a combination of conventional secure communication methods, such as secure hypertext transfer protocol (HTTPS) communications, low power signals that travel over short distances, and other types of communications to create a system that only uses secure communications when setting up or expanding a wireless mesh network.

Abstract: A wireless system includes a terminal owned by a passenger who rides on a vehicle, a key device mounted on the vehicle and connected to the terminal by a first connection method, an authentication server for returning whether or not authentication is successful to the terminal in response to an authentication request from the terminal, and a wireless router connected to the terminal by a second connection method for performing communication from the terminal to the authentication server via a communication line. The wireless router includes a timer for disconnecting the connection with the communication line when the authentication by the authentication server is not performed within a predetermined time period, and when the authentication server authenticates the terminal, the timer is canceled and the connection with the communication line is continued.

Abstract: The present disclosure describes methods of operating user equipment in 5G NR communications system.

Abstract: This application provides a measurement method and a measurement apparatus. The measurement method includes: adding, by a network device, information about one frequency band or a plurality of frequency bands to measurement configuration information delivered to a terminal device; determining, by the terminal device, a corresponding radio frequency link channel configuration parameter by using the information about the one frequency band or the plurality of frequency bands; and measuring, by the terminal device, a measurement object based on the radio frequency link channel configuration parameter, and reporting a measurement result to the network device.

Abstract: A method of wireless communication, by a user equipment (UE), includes setting up a secondary cell group (SCG) with a second radio access technology (RAT) that differs from a first RAT associated with a master cell group (MCG). The method also includes communicating wirelessly via the secondary cell group and the master cell group. The method further includes predicting a radio link failure (RLF) for the secondary cell group based on multiple inputs to a machine learning model. The method still further includes routing data transmission from the secondary cell group to the master cell group, after predicting the SCG RLF.

Abstract: In an aspect of the disclosure, a method, a computer-readable medium, and an apparatus of a network node are provided. The network node may receive, from a second network node, a routing configuration that maps a packet to a routing identifier (ID) based on a first header in the packet. The network node may receive a packet from a pre-hop node, the packet including the first header with a first address and a second header with a second address. The network node may determine that the second address matches an address of the first network node and that the first address mismatches an Internet protocol (IP) address of the first network node. The network node may replace, based on the received routing configuration and based on the address match and address mismatch determination, the second header with a third header, the third header including the routing ID.

Abstract: A method and apparatus for data transfer in RRC_INACTIVE state is provided. Method for data transfer in RRC_INACTIVE state includes receiving configuration information for second resume procedure in RRCRelease, receiving configuration information for second resume procedure in System Information, and triggering a PHR. The triggered PHR is canceled if specific conditions are fulfilled.

Abstract: A data migration method and an apparatus are applied to a scenario in which a user plane gateway communicating with a terminal is changed from a source user plane gateway to a target user plane gateway. The target user plane gateway receives an address of the terminal from a control plane gateway, obtains an Ethernet data packet based on the address of the terminal, and sends the Ethernet data packet to an Ethernet interface, so that a switch obtains the Ethernet data packet through the Ethernet interface, and updates a MAC address table based on the Ethernet data packet.

Abstract: A communication method and a system for converging a 5th-Generation (5G) communication system for supporting higher data rates beyond a 4th-Generation (4G) system with a technology for Internet of things (IoT) are provided. The disclosure may be applied to intelligent services based on the 5G communication technology and the IoT-related technology, such as smart home, smart building, smart city, smart car, connected car, health care, digital education, smart retail, security and safety services. The disclosure relates to schemes for improving an operation of a terminal in an RRC inactive mode.

Abstract: A method performed by a user equipment (UE) in a wireless communication system is provided. The method comprises receiving configuration information on a multicast broadcast service (MBS), and receiving, based on the configuration information, MBS data in a radio resource control (RRC)_Connected mode. The MBS data is transmitted to plurality of UEs including the UE for multicast transmission, or to the UE for unicast transmission. A Hybrid Automatic Repeat and request (HARQ) retransmission is applied to a transmission of the MBS data.

Abstract: Roaming coverage evaluation is performed by receiving a roaming handover message including an error code, the roaming handover message identifies a serving cell and a touch point, verifying whether the touch point is accepting roaming handovers by retrieving roaming information from the touch point, retrieving a signal report from a terminal served by the serving cell in response to determining that the touch point is not accepting roaming handovers, determining a signal strength difference between a signal of the touch point and a signal of a cell neighboring the touch point, and mitigating coverage loss due to the touch point not accepting roaming handovers based on the signal strength difference.

Abstract: A method in a first network node, which comprises a primary Radio Link Control (RLC) entity is provided. The method comprises: receiving packets from a PDCP entity and sending packets to a PDCP entity; separating the received packets into at least a first group and a second group; assigning sequence numbers to the packets of the first group from a sequence number range allocated to at least one the secondary RLC entity in a second network node, the at least one secondary RLC connected to the primary RLC entity through a RLC channel; sending the packets of the first group with the assigned sequence numbers to the at least one secondary RLC entity.

Abstract: A signal resource measurement method and a terminal are provided. The method includes: measuring a first signal resource of a target cell, to obtain a first measurement; and when the first measurement satisfies a first preset condition, measuring a second signal resource of the target cell, to obtain a second measurement; where the second signal resource is different from the first signal resource.

Abstract: A processing device and an information processing system included in a network can select a device to be connected. A processing device includes a controller and a communicator. Software includes a first implementation program to cause the controller to implement a predetermined function. First use-data is used to execute the first implementation program. The controller included in a logical network connects with, of other processing devices with each of which the controller can communicate, a processing device that implements, based on a second implementation program or second use-data, the same function as the function implemented when the first implementation program is executed.

Abstract: A method, apparatus and computer program product are provided to allow for the allocation and/or other deployment of a complementary network slice to partially and/or fully replace a network slice associated with a piece of user equipment when the piece of user equipment moves outside of the area associated with its current network slice application. When a piece of user equipment moves outside of its current network slice, application area, its services may be provided over a complementary network slice, or a complementary network slice may be allocated for a non-supporting user equipment to be used in the RAN and/or core network. In some example implementations, the allocation and/or other use of one or more complementary network slices enables the operator to predefine and use sets of policies that may differ from those associated with a user equipment's current and/or typical network slice.

Abstract: A Multi-Access Edge Computing (MEC) system is provided. The MEC system includes a user equipment (UE), an MEC device, and a core network. The MEC device includes a relay User Plane Function (UPF) module, a first UPF module, and a second UPF module. The core network performs a UPF path management corresponding to the UE based on a notification of the MEC device. When the UE attaches to a network, the MEC device establishes an idle session between the UE and the relay UPF module. When the MEC device determines that a service for the UE needs to be switched from the first UPF module to the second UPF module and the second UPF module has not been activated, the MEC device notifies the core network to switch the service for the UE from the first UPF module to the relay UPF module first.

Abstract: A method performed by a User Equipment, UE, to perform handover from a source access node to a target access node is provided. The UE, the source access node and 5 the target access node are operating in a wireless communications network. The UE receives (601) a handover command message from the source access node. The UE establishes (602) a target radio connection with the target access node, and determines (603) whether or not a source cell release criterion is fulfilled. When the source cell release criterion is determined to be fulfilled, the UE releases (604) a source radio 10 connection with the source access node.

Abstract: There is provided a method in a device of a cellular network, the method comprising: receiving a user plane data from a source network node of the cellular network; detecting that at least one quality condition with respect to the user plane data transfer is met; and in response to the detecting that the at least one quality condition is met, causing a transmission of an indication for a data forwarding or duplication to a target network node of the cellular network or to the source network node, the data forwarding or duplication causing the source network node to forward or duplicate a user plane data of the device to the target network node.

Abstract: Embodiments of the present invention provide an communications method. For example, the apparatus receives first information that indicates a first offset from a first set of offsets, wherein the first offset is an offset from a first carrier frequency that is multiple of 100 KHz, and then obtains a carrier frequency of a cell according to the first offset indicated by the first information.

Abstract: This application discloses a method for implementing a user plane security policy, an apparatus, and a system. In an implementation, a terminal apparatus may associate or establish a PDU session based on user plane security indication information that is of an application and that is sent by a network device. In another implementation, a PCF adds an obtained user plane security attribute requirement of the application to a PCC rule and sends the PCC rule to an SMF, so that the SMF performs QoS flow binding based on the user plane security attribute requirement. According to the foregoing method, the user plane security attribute requirement of the application can be met.

Abstract: A method and a device used in communication nodes for wireless communications. A communication node receives a first signaling, the first signaling comprising a first flag, processes a first storage space according to the first flag; herein, the first signaling is an RRC signaling, and the first signaling is used for a conditional reconfiguration; the first signaling comprises a first configuration, the first configuration comprises at least one of a first index, or a first RRC configuration or a first condition; the first storage space stores at least one parameter set; any parameter set in the first storage space comprises a first field, a second field and a third field, the first field comprises a target index, the target index is a non-negative integer, the second field comprises a target RRC configuration. The present disclosure supports simultaneous CPC configurations of an MN and an SN.

Abstract: A method for client steering in a multiple access point (AP) network is performed by a controller and comprises the steps of: receiving, from one or more APs, pieces of related information for the client steering; on the basis of the pieces of information, determining a particular candidate BSS for the client steering from among a plurality of BSSs; and transmitting a request message for the client steering to an AP operating the particular candidate BSS.

Abstract: Apparatuses, methods, and systems are disclosed for suspending services in a first core network while attached to a second core network. One apparatus includes a processor configured to cause the apparatus to: A) receive a first message indicating to release a connection associated with a remote unit and a set of paging restrictions associated with the remote unit; B) set an idle state for the remote unit, the idle state indicating to refrain data transmission to the remote unit and refrain from paging the remote unit according to the set of paging restrictions; and C) transmit a second message in response to the first message, the second message indicating an acceptance of the set of paging restrictions.

Abstract: An electronic device is provided. The electronic device includes at least one processor, and the at least one processor may be configured to camp on a first cell, perform a procedure for registration in a first core network after camping on the first cell, identify occurrence of an event requiring cell selection in a state registered with the first core network, identify a core network corresponding to the occurred event, identify a core network supported by each of at least one second cell, identify a measurement result of the reference signal respectively associated with at least one third cell supporting the core network corresponding to the occurred event among the at least one second cell, and camp on the identified fourth cell among the at least one third cell, based on the measurement result.

Abstract: Method and apparatus for deriving a cryptographic protection to a new initial non-access stratum, NAS, message for a target network from an existing security context in an idle mode inter-system change when one or more of conditions a) to d) is met, and for deriving a mapped 5G NAS security context from a source cellular network that is an EPS security context maintained by a source MME of the EPS, in an idle mode inter-system change, when one or more of conditions 1) to 4) is met, optionally after receiving a REGISTRATION REQUEST message without integrity protection and encryption.

Abstract: In the field of mobile communication systems, techniques relating to checking or verifying if information sent by a transmitter has been correctly received at a receiver so as to initiate a retransmission in case of a non-successful transmission of the information are described. Embodiments relate to simultaneous synchronous and asynchronous HARQ, hybrid automatic repeat request, operations in a network entity of the wireless communication system, like a base station or a user equipment, UE. In particular, an approach for reliably handling retransmissions in a wireless communication system for data or information associated with different services types is described.