Abstract: A core network to which a cell of a base station can be connected may not be specified to be one. For example, a cell may be connected to an EPC, may be connected to a next-generation core network, or may be connected to both an EPC and a next-generation core network. The base station may transmit core network information relating to a core network to which the cell is connected, on the cell. A user equipment may determine whether to camp on the cell on the basis of the core network information.

Abstract: An example of controlling a network of wireless access points (APs) to detect that a client device associated with the network is stationary in an AP-overlap area, and in response to the detection that the client device is stationary in the AP-overlap area, assigning one of the APs to be a preferred AP for the client device. The APs are to avoid connecting with any client devices that have been assigned another AP as a preferred AP. Thus, the stationary client device in the overlap area may be prevented from undesired roaming.

Abstract: Disclosed are a method and device for determining a preamble sequence of a physical random access channel. The method includes in a previous stage, receiving respective preamble sub-sequences, and determining instances of time at which the respective preamble sub-sequences are detected in a detection window; in a current stage, receiving respective preamble sub-sequences, and determining instances of time at which the respective preamble sub-sequences are detected in the detection window; and determining preamble sub-sequences belonging to a same preamble sequence according to the instances of time at which the respective preamble sub-sequences are detected in the current stage, and the instances of time at which the respective preamble sub-sequences are detected in the previous stage.

Abstract: The present disclosure provides methods for releasing a reserved resource in a network. An operation method performed in a first communication node of a vehicle network includes generating a first frame including identification information of a stream transmitted through a reserved resource and a first indicator instructing to release the reserved resource; and transmitting the first frame to a second communication node.

Abstract: A method, wireless transmit/receive unit (WTRU), and a wireless network node configured for wireless communications comprising receiving, by the WTRU, configuration information for a primary cell and one or more non-primary cells, receiving, by the WTRU, a message on the primary cell, the received message including indication of at least one of the one or more non-primary cells from which the WTRU is to receive a downlink shared channel transmission, and in response to the received message, receiving and processing, by the WTRU, the downlink shared channel transmission from the indicated at least one of the one or more non-primary cells.

Abstract: Systems and method are provided to reduce redundant data transfers for service profiles within a wireless core network. A network device in the core network receives, from a mobility management entity (MME), a user profile request. The user profile request includes a user identifier for an end device. The network device determines that a user profile corresponding to the user identifier includes a shared service profile and determines, when the user profile includes a shared service profile, whether the MME has stored the shared service profile. When the MME has not stored the shared service profile, the network device sends, to the MME, the shared service profile and a shared profile identifier for the shared service profile. The network device sends, to the MME, a response to the user profile request, the response including the user identifier and the shared profile identifier for the shared service profile.

Abstract: An information transceiving method, apparatus, and system are described. The information transceiving method includes: determining a subframe length of a serving cell; determining a synchronization signal period of the serving cell based on the subframe length of the serving cell; and sending or receiving information in the serving cell based on the synchronization signal period and the subframe length. In some implementations, the synchronization signal period of the serving cell is determined based on the subframe length of the serving cell.

Abstract: A mobile device capable of connecting to a voice service using Voice over LTE (VoLTE) via a cellular network and Voice over Wi-Fi (VoWiFi) via a wireless local area network is connected to VoWiFi and arranged to receive notifications from a wireless access point when the voice service via VoWiFi is disrupted and to disconnect from VoWiFi and connect to VoLTE to maintain the voice service. The mobile device is operable to test the connection to the cellular network and if the cellular network connection is insufficient to support VoLTE, the mobile device ignored the notification and remains connected to VoWiFi.

Abstract: Embodiments of the present invention disclose a communication method, an access network device, and a core network device. The method includes: sending, by a source access network device, to a core network device a handover message for a handover of one or more sessions of a terminal device from the source access network device to a target access network device, wherein the handover message comprises information about the target access network device and identifier information of the one or more sessions; and sending, by the core network device, a response message of the handover message to the source access network device, wherein the response message of the handover message comprises indication information indicating a reason that a session of the one or more sessions is not accepted, wherein the reason is associated with a slice corresponding to the session.

Abstract: In an aspect of the disclosure, a method, a computer-readable medium, and an apparatus are provided. The apparatus may receive a priority list associated with preferred radio frequencies from a serving base station. In certain aspects, each radio frequency of the preferred radio frequencies associated with a first set of base station may operate on a first RAT. In certain other aspects, the apparatus may determine if the UE is able to reselect to the first RAT. In certain other aspects, the apparatus may perform a rank-based cell reselection procedure based on signal strength when the UE is unable to reselect to the first RAT.

Abstract: Embodiments of the present invention include a method for enhanced indication of network support of SRVCC and/or Voice-over-IMS for an User Equipment UE in an Evolved Packet System EPS network, said method comprising at least one step based on taking into account support of SRVCC and/or Voice-over-IMS by Radio Access Network RAN nodes and/or by Radio Access Technologies RATs available for SRVCC for said UE in said EPS network.

Abstract: Provided are a method for performing a handover by a user equipment (UE) in a wireless communication system, and an apparatus supporting the same. The method may include: receiving information on candidate target cells for the handover and a handover condition, from a base station; initiating a handover to a first target cell among the candidate target cells, based on the handover condition; before detecting a failure of the handover to the first target cell, when channel quality of a second target cell among the candidate target cells is higher than channel quality of the first target cell, stopping the handover to the first target cell; and performing a handover to the second target cell.

Abstract: Multiple mobile cellular network (MCN) communication systems can be networked together to form a network of MCN communication systems (NOM). Each MCN communication system within the NOM can operate as an independent cellular network to provide communications between user equipment within a covered area. When a UE in one MCN of the NOM moves into a different MCN of the NOM, the corresponding MCN communication systems can handover the UE. The UE can also be handed over between MCN communication systems when the MCN communication systems move.

Abstract: Provided are a method for transreceiving a vehicle-to-everything (V2X) signal of a terminal in a wireless communication system, and a terminal apparatus using the method. The method comprises: transreceiving a V2X control signal through a first carrier commonly configured to a first area and a second area; and transreceiving V2X data through a second carrier configured to the first area or a third carrier configured to the second area.

Abstract: Provided are methods and systems of managing vertical handoffs in a wireless communication network. Embodiments include analyzing wireless device usage to determine usage patterns, which may include locations and times at which the wireless device is typically accessing the network. The network may recognize points in the usage patterns at which signal quality parameters are typically reduced. Such reductions in signal quality parameters may lead to inefficient vertical handoffs. The network may decrease adverse effects of inefficient vertical handoffs by reducing ping ponging, selecting links between wireless devices and network nodes, or indicating to a user of the wireless device that delays and/or data loss may occur.

Abstract: A wireless network infrastructure, comprising static and roaming mobile nodes (including one or more types of access-points), avoids unnecessary handoffs and unstable RF regions, and enables at least selected context-aware-capable mobile nodes to provide context-aware services to connected clients. More particularly, each of at least selected static nodes is enabled to provide the context-aware-capable mobile nodes with context information regarding the static node's relative position and direction, details of information served by the static node, special flags indicative of relevant impending changes in the foregoing parameters, and a range of signal strength values defining a stable RF zone for associated mobile nodes. Each context-aware-capable mobile node accordingly creates a context map that at least in part enables determination of the mobile node's next change in static node association and the preferred timing for the change.

Abstract: A wireless transmit receive unit (WTRU) is configured in dual connectivity with a master cell group and a secondary cell group. Uplink (UL) data is sent in an active one of the master cell group and the secondary cell group as an active UL transmission cell group. It is determined whether a UL transmission is to be switched to an alternate one of the master cell group and the secondary cell group and the UL traffic is switched from the active UL transmission cell group to the alternate cell group in response to the determination that the UL transmission is to be switched.

Abstract: Methods, a wireless device (400; 120) and a radio network node (600; 110), for managing information about one or more coverage classes associated with the wireless device (400; 120). The wireless device (400; 120), sends, to the radio network node (600; 110) that receives, a message that comprises an indicator indicating an updated downlink coverage class estimated by the wireless device (400; 120).

Abstract: Disclosed is an active scanning method in a wireless LAN system. The active scanning method comprises: a step of transmitting a probe request frame via a predetermined channel; and a step of receiving, from an access point, a probe response frame corresponding to the probe request frame via a predetermined channel. The probe response frame includes main channel information on the access point. Thus, the access point can be quickly scanned.

Abstract: A measurement report is sent from user equipment in a communication system to a serving base station in a serving cell of the communication system, wherein the measurement report comprises one or more signal measurements obtained by the user equipment for one or more other base stations in the communication system. A base station removal list is received at the user equipment from the serving base station which lists any base stations from the measurement report that failed a set-up procedure and are thus potentially false base stations. Any base stations in the base station removal list are removed from consideration by the user equipment as a target base station for a handover procedure.

Abstract: Methods, systems, and devices for updating beam-based communications are described. A base station may configure a user equipment (UE) with a set of beam management configurations, which may be used to modify (e.g., dynamically or periodically) beam-based communications. For example, the base station may indicate a beam configuration for utilization by the UE and the UE may switch to the indicated beam configuration or update a currently used beam configuration based on the indication. In another example, a set of beam configurations may be sequentially ordered, and the base station may indicate to the UE to use the next beam configuration in the sequence of beam configurations. The update to the beam configuration may be triggered based on a distance change (e.g., UE and base station getting closer or farther apart) or a reference signal measurement between the UE and the base station, among other factors.

Abstract: Embodiments of the present application disclose a method for accessing a local network, and a related device, so that a user equipment can simultaneously access an operator network and a local network. The method in the embodiments of the present application includes: receiving, by an MME, an access request of user equipment UE that is sent by an base station eNB, where the access request carries access information of the UE; determining, according to the access information of the UE, a first local gateway corresponding to the UE; and establishing, for the UE, a user plane bearer that is from the eNB to a gateway C-GW of a core network and that includes the first local gateway used as an intermediate node.

Abstract: A more efficient network can be achieved by leveraging an adaptive dejitter buffer. The dejitter buffer can be dynamically adjusted based off a network data analysis. A communication handover can be adjusted or shifted based on voice inactivity data related to a forecasted punctuation. The dejitter buffer memory/depth of a mobile device can also be adjusted in accordance with receiving a delay interruption length associated with another mobile device. Thereafter, the dejitter buffer memory can be filled with voice packet data to decrease a packet delay variation at the mobile device.

Abstract: The present invention provides apparatuses, methods, computer programs, computer program products and computer-readable media regarding dormant cell RRM (Radio Resource Management) measurement reporting. Certain aspects of the present invention include configuring, at a base station, a measurement configuration message for causing user equipment served by the base station to perform and report measurements on cells, the measurement configuration message comprising information indicating criteria impacting a measurement reporting procedure with respect to the cells, the said criteria being related to at least one of the state of a cell, a type of a cell, and a type of a signal used for the measurements of the cells, and transmitting said configured measurement configuration message to the user equipment.

Abstract: The disclosure relates to an improved vehicular UE for transmitting vehicular data and other data to one or more receiving entities. The vehicular UE receives an uplink grant from a radio base station controlling the cell to which the vehicular mobile terminal is attached, wherein the uplink grant indicates radio resources usable by the vehicular mobile terminal to transmit the vehicular data and/or the other data. The vehicular UE transmits the vehicular data and/or the other data using the radio resources indicated in the uplink grant. The vehicular mobile terminal handles the vehicular data and the other data separately from one another.

Abstract: A method for supporting activation/deactivation of serving cells by a base station (BS) in a wireless communication system provides decreased overhead and decreased power consumption for a user equipment (UE). The method includes configuring M supportable serving cells in the UE, configuring an indicator indicating activation/deactivation of each of the M serving cells, configuring a medium access control (MAC) message which includes a MAC control element (CE) and a logical channel identifier (LCID), the MAC CE including the indicator configured for each of the M serving cells and having a length corresponding to an integer multiple of 8 bits, the LCID indicating that the MAC CE includes the indicator indicating activation/deactivation of each serving cell, and transmitting the configured MAC message to the UE. Accordingly, a control channel or data channel regarding a component carrier is selectively received depending on whether the component carrier is activated.

Abstract: Embodiments of the present disclosure disclose a key processing method in dual connectivity mode and a device, which ensure communication security of UE in dual connectivity mode. The method according to the embodiments of the present disclosure includes: of a first base station and a second base station that have a communication connection to a terminal each, receiving, by the second base station, first request information sent by the first base station, where the first request information is used to request the second base station to generate a key used for communication with the terminal, and generating, by the second base station based on a security key carried in the first request information, the key used for communication with the terminal.

Abstract: Disclosed is methods, devices and computer programs for controlling an uplink measurement procedure. There is in particular disclosed a method performed by a source access network node (1) in a wireless communication network for controlling an uplink measurement procedure for signals transmitted from a User Equipment (2), UE (2), to at least one candidate access network node (3). The method comprises providing (S1) a representation of first uplink resource to the UE (2) and the at least one candidate access network node (3), the first uplink resource to be used for transmission of a signal by the UE (2) for the at least one candidate access network node (3) to perform measurements on. The method also comprises the step of providing (S2), based on an indication that no measurement was performed by a specific candidate access network node (3) on a signal transmitted using the uplink resource, a representation of a second uplink resource to the UE (2) and to the specific candidate access network node (3).

Abstract: A data transmission method, includes: a terminal performs, when the terminal performs transmission of same data with both a first base station accessed by the terminal and a second base station accessed by the terminal, transmission of to-be-transmitted data of the terminal with the first base station by using a first logical channel; and perform, transmission of the to-be-transmitted data with the second base station by using a second logical channel, where the first logical channel and the second logical channel are associated with a same radio bearer of the terminal. Therefore, reliability of a radio link is improved, and a latency of data transmission is reduced.

Abstract: Certain aspects of the present disclosure relate to methods and apparatus for dynamic UE-Category switching for enhanced idle mode power savings. A method for wireless communications by a user equipment (UE) is provided. The method generally includes, determining that a cell supports a second UE category, lower than a first UE category; and while in an idle mode: operating in the cell according to the first UE category; and taking action to operate in the cell according to the second UE category based on the determination.

Abstract: A method and a network node (130) for managing a geo-fence for use by a source radio network node (120) are disclosed. The network node (130) receives (A010) indications about signal quality at respective positions of user equipments (110), wherein the user equipments (110) have been subject to hand-overs from the source radio network node (120) at the respective positions, wherein the hand-overs are based on signal quality measured for the user equipments (110). The network node (130) defines (A040) the geo-fence based on the respective positions and the indications about signal quality, wherein the geo-fence defines a geographical area. The network node (130) supports (A050) a hand-over of a user equipment (110) from the source radio network node (120) to a target radio network node (121) while using the geo-fence, wherein the hand-over is performed without measurements, by the user equipment (110), of signal quality towards the target radio network node (121) for the user equipment (110).

Abstract: A VoWiFi service monitor monitors the logical data path to the ePDG of a MNO as an indication of whether VoWiFi service is possible for subscribers of the MNO network. Due to the standard configuration of UEs in preferring WLAN connectivity over LTE cellular connectivity, if the VoWiFi service is unavailable the UEs will not automatically switch to VoLTE while a WLAN connection is available between the UE and a hub. When a change in the status of an ePDG is detected, the VoWiFi service monitor informs any connected hubs. The hubs receive notifications from the VoWiFi service monitor and for each notification determine whether the ePDG status change affects one or more of the VoWiFi capable UEs connected to the hub. If at least one such device is affected by the change, the hub notifies the affected UE with instructions to handover from VoWiFi to VoLTE.

Abstract: This disclosure provides a base station, and a method of operating a base station, in a cellular telecommunications network, the method including a first base station determining to switch to energy saving mode; and the first base station sending a first message to a second base station, the first message including compensation data relating to a third base station that the first base station is acting in compensation mode for.

Abstract: According to one embodiment of the present disclosure, the method by means of which a mobility management entity (MME) determines the communication mode of a terminal in a communication system includes the steps of: receiving, from the terminal, an access request including information on the position of the terminal; transmitting a message to a home subscriber server (HSS) on the basis of the received access request; receiving, from the HSS, specific position information for setting a first mode; comparing the information on the position of the terminal with the specific position information; and determining the communication mode of the terminal according to the result of the comparison. According to the present disclosure, the frequent transmission of small amounts of data can be supported in an efficient manner.

Abstract: The disclosure provides a mobility management method and device. The mobility management method includes: obtaining a frequency specific minimum receiving level value Qrxlevmin of each neighbor cell of a serving cell, a pre-configured Cell specific minimum receiving level value Qrxlevmin-offset of each neighbor cell, and a signal level value of each neighbor cell; calculating a sum value of the frequency specific minimum receiving level value Qrxlevmin and the Cell specific minimum receiving level value Qrxlevmin-offset of any neighbor cell; and taking a cell with a signal level value larger than the sum value of the frequency specific minimum receiving level value Qrxlevmin and the Cell specific minimum receiving level value Qrxlevmin-offset as a candidate target cell.

Abstract: In a communication device, a multi-carrier signal with at least one group of signal carriers is received from a communication connection. For each of the signal carriers, at least one individual error value is evaluated or generated. From the individual error values, a combined error value is evaluated or generated. The combined error value is transmitted on a backchannel of the communication connection.

Abstract: The present disclosure relates to methods for selecting or reselecting a cell from among a plurality of cells. The present disclosure is also providing mobile stations for performing these methods, and computer readable media the instructions of which cause the mobile station to perform the methods described herein. For this purpose, the mobile station is detecting cells which are candidates (i.e. candidate cells) for selection or reselection, utilizing either the normal coverage mode or the enhanced coverage mode. Further, the mobile station is selecting or reselecting a cell among the candidate cells detected, utilizing either the normal coverage mode or the enhanced coverage mode. The mobile station is performing the detection and the selection or reselection on the basis of stored information indicating whether or not at least one of the candidate cells supports that the detection and the selection or reselection utilize the enhanced coverage mode.

Abstract: Disclosed are a method for resuming a connection in a wireless communication system and a device for same. More particularly, a method for executing a procedure of resuming a connection by a network node in a wireless communication system can comprise the steps of: receiving a message, which comprises a tracking area update request (TAU request) of a user equipment (UE), from an eNodeB (eNB), wherein the message comprises a result that determines the validity with regard to whether or not resumption of a connection of the UE is possible by means of the eNB; determining whether or not an E-UTRAN radio access bearer (E-RAB) setup for the UE is required; and determining a message to be transmitted to the eNB on the basis of whether or not the E-RAB setup for the UE is required and/or whether or not resumption of a connection of the UE is possible.

Abstract: Techniques for a link budget limited UE to improve communications performance with cellular networks are disclosed. The UE may be associated with subscriptions to multiple carriers and may connect to a cell of a first carrier. The UE may detect that received signal strength from the cell is below a threshold and search for a new cell that may be of a different carrier. The UE may store a PLMN eSIM priority look up table and the search may be based on the look up table. Additionally, the UE may track received signal strength and geographic location in a first data structure that the UE may send to a server. The UE may receive a second data structure from the server that includes received signal strength at geographic locations compiled from a plurality of UEs, including the UE. The UE may also use the second data structure in searches for a new cell.

Abstract: A first radio network node (208) and a method for establishing a communications interface between the first radio network node (208) and a second radio network node (210). The first radio network node is configured to provide one or more Evolved Universal Terrestrial Radio Access (E-UTRA) resources and the second radio network node is configured to provide one or more New Radio (NR) resources. Further, the first and second radio network nodes are operating in a wireless communications network (200). The first radio network node obtains a Transport Network Layer (TNL) address of the second radio network node from one out of a first core network node (204); and another first radio network node (208) acting as a proxy. Furthermore, the first radio network node established a communications interface between the first and second radio network nodes based on the obtained TNL address.

Abstract: The present disclosure provides an access point handover method and device. The method includes: determining a first access point (AP) set detected by a source AP where a station is located, where the first AP set includes at least one AP; selecting, from the first AP set and according to the first AP set and a pre-stored AP set, a target AP to which the station is to be handed over; and transmitting a handover message to the station. The handover message is used for instructing the station to be handed over from the source AP to the target AP.

Abstract: Systems and methods are disclosed for using one or more gateway systems for integrating multiple load control systems running multiple versions of software such that the load control systems may appear to a user and be controlled by the user as a unified load control system. Gateways that manage or have managed the same resource may be organized into a Gateway Group. Gateway Groups names may be used for prefix attachment to facilitate routing. For example, a Composite Gateway may receive a request associated with a resource from a user. The Composite Gateway may determine which Gateway actively manages that resource and/or is the Gateway is a member of a Gateway Group. The composite Gateway may then apply one or more policies to facilitate the request. For example, if the Composite Gateway receives an information request, it may apply an authorization policy, a routing policy, and/or an aggregation policy.

Abstract: The present invention relates to an improved predicting of target carrier radio conditions in a communication network. The improved prediction is achieved by acquiring, by a first network node, measurement data based on radio signals at a source carrier and a first target carrier. Subsequently, a target carrier radio condition prediction function is identified by the first network node or a second network node.

Abstract: A resource allocation method includes: determining, by a network-side device based on a maximum quantity of transmissions of a terminal device in a scheduling period, a set including at least two groups of patterns, where any group of patterns and any other group of patterns in the set are corresponding to a maximum of K same first subframes, and the first subframe is a subframe to which a frequency domain resource is allocated; receiving, by the network-side device, resource scheduling request messages sent by at least two terminal devices; determining, by the network-side device, a target group of patterns from the set based on the resource scheduling request messages, where the target group of patterns are in a one-to-one correspondence with the at least two terminal devices; and separately sending, by the network-side device, information about the target group of patterns to the at least two terminal devices.

Abstract: A method for reporting terminal information, a method for acquiring terminal information, a terminal and a base station are provided. The method for reporting terminal information includes: transmitting a setting parameter of an antenna structure of a terminal to a base station, where the setting parameter includes a baseband parameter and/or a radio frequency parameter; where the baseband parameter includes: a quantity of transceiver units supported by the terminal; the radio frequency parameter includes one or more of: a quantity of panels, frequency information supported by each panel, a quantity of beams supported by each panel, and a quantity of antenna array polarization directions of each panel.

Abstract: An LTE network extension (LNE) system includes an LTE access gateway (LAG) and a provisioned database. A plurality of LTE access radios in the LNE system broadcast the same shared PLMN ID (sPLMN ID). The sPLMN ID corresponds to a plurality of service provider core networks, each with a different PLMN. The provisioned database includes information identifying which networks are allowed to use the LNE system and includes service provider network address information. An LTE access radio, transmitting the sPLMN ID detects an attach request from a UE, and forwards the attach request to the LAG, which decides if access is to be allowed, based on a service provider home network PLMN included in an IMSI in the attach request and information in the provisioned database. If access is allowed, the LAG serves as a proxy between the LTE access radio and the UE's service provider home network.

Abstract: A disclosed feature of the present specification provides a method for a source cell determining a handover of a packet data unit (PDU) session. The method may include a step of determining a target cell or target next generation radio access network (NG-RAN) based on a measurement report by a terminal. A handover region list can additionally be considered in the target cell or target NG-RAN determination step. The method may include a step of transmitting a handover request message that does not include context with respect to the PDU session to the target cell or target NG-RAN, based on the handover region list, if it is confirmed that the determined target cell or target NG-RAN cannot serve for the PDU session.

Abstract: A network device in a network system including a plurality of network devices, includes: an identification unit to identify whether specific information is included in an uplink message received from a specific terminal device, where the specific information includes subscription-related information indicating that the specific terminal device has a subscription to a specific network device among the plurality of network devices and the specific terminal device is locally managed by the specific network device; a determination unit to determine whether to route the uplink message on the basis of the identification of the specific information; and a decision unit to decide the specific network device to which the uplink message is routed on the basis of the specific information when routing the uplink message is determined, where each network device of the network devices in the network system locally manages terminal devices which subscribes to each network device.

Abstract: A system and method of performing a handover include detecting an out of sync event while being connected to a current cell, determining whether a measurement report time-to-trigger signal is active, sending, in response to the detection of the out of sync even and the measurement report time-to-trigger signal being active, a first new measurement report and a first special cause flag prior to a next scheduled measurement report to the communication network, receiving a first list of one or more neighboring cells suitable for a handover, identifying a first neighboring cell from the first list for the handover, and attempting to perform the handover from the current cell to the first neighboring cell.

Abstract: The present disclosure relates to a pre-5th-Generation (5G) or 5G communication system to be provided for supporting higher data rates Beyond 4th-Generation (4G) communication system such as Long Term Evolution (LTE). A method for operating a terminal in a wireless communication system includes transmitting, to a macro base station, first information for indicating a link quality between the terminal and a small base station. The method also includes receiving, from the macro base station, a message for instructing a handover, and performing the handover from the macro base station to the small base station according to the message. The handover is determined based on the first information and second information for indicating another link quality between the small base station and the macro base station.