Abstract: An operating method of a first communication node in a wireless communication network may include steps of: performing a monitoring operation on a first channel and a second channel; when states of the first channel and the second channel are idle states during a first section as a result of the monitoring operation, performing a random back-off operation in the first channel and the second channel; and when the state of the first channel and the state of the second channel are the idle states as a result of the random back-off operation, transmitting a first frame from the first channel and the second channel.

Abstract: Disclosed are information transmission methods and devices. In an embodiment, an information transmission method includes: determining second information including a frequency domain bandwidth set; determining a hybrid automatic repeat request acknowledge (HARQ-ACK) codebook to be transmitted according to the determined second information; and transmitting the HARQ-ACK codebook.

Abstract: A wireless device receives, via a control resource set (coreset), an indication of a resource assignment. Based on the resource assignment during a slot, a transport block associated with a hybrid automatic repeat request (HARQ) process identified by a HARQ process identifier is received. The HARQ process identifier is based on: a coreset group index of a coreset group to which the coreset belongs; and a slot index of the slot.

Abstract: A method may include receiving, by a wireless device from an access and mobility management function (AMF), a registration accept message comprising one or more configuration parameters of the wireless device. The method may also include receiving, by the wireless device from the AMF, a wireless device configuration update command that includes a parameter for a multimedia priority service (MPS) configuration of the wireless device. The method may further include sending, by the wireless device to the AMF, a packet data unit (PDU) session establishment request after receiving the parameter for the MPS configuration of the wireless device.

Abstract: Embodiments of the present disclosure provide a method for service transmission, and a terminal device. The method includes performing, by a terminal device, a registration and a Non Public Network (NPN) Protocol Data Unit (PDU) session establishment on an NPN; performing, by the terminal device, a tunnel establishment with a non-3rd Generation Partnership Project Interworking Function (N3IWF) through the NPN PDU session; and transmitting, by the terminal device, first indication information to an Access and Mobility Management Function (AMF) in a Public Land Mobile Network (PLMN) via the N3IWF during a registration to the AMF through the tunnel. The first indication information contains NPN identifier information as PLMN Identifier (PLMN ID)+Network Identifier (NID).

Abstract: The present disclosure provides an SDAP entity maintenance method, a transmitting terminal and a receiving terminal. The SDAP entity maintenance method includes: maintaining the SDAP entity based on a destination identifier; wherein, the destination identifier includes: a sidelink communication destination ID; or the destination identifier includes: a combination of a sidelink communication source ID and the sidelink communication destination ID; or the destination identifier includes: a combination of the sidelink communication destination ID and a cast type; or the destination identifier includes: a combination of the sidelink communication source ID, the sidelink communication destination ID, and the cast type; or the destination identifier includes: a user ID of the transmitting terminal.

Abstract: This application provides a data transmission method and an apparatus. The method includes that an integrated access and backhaul (IAB) donor distributed unit receives downlink data and service attribute information of downlink data that are sent by an IAB donor centralized unit. The IAB donor distributed unit maps the downlink data to a corresponding backhaul radio link control channel (BH RLC) channel based on the service attribute information of the downlink data or based on the service attribute information of the downlink data and access IAB node address information of the downlink data, and sends the downlink data to a next-hop IAB node.

Abstract: Disclosed herein are new radio (NR) Data link architecture options including, for example, NR radio bearer models, NR logical channel models, and MAC and HARQ models. Further described are packet flows mapping to data radio bearers (DRBs), and a new flow encapsulation protocol in the user plane. In some embodiments, DRBs with different quality of service (QOS) are pre-established, but not activated. This allows a given user equipment (UE) to use these DRBs for packet data network (PDN) flows without a large overhead. Pre-established DRBs can be an extension to default bearer concept with the decision of pre-establishment of DRBs based on UE capability, subscription profile, operation policy, installed apps, etc.

Abstract: A relaying method, performed by a relay terminal using sidelink in a communication system, may comprise: receiving a plurality of data units from a plurality of remote terminals; generating a multiplexed data unit including identification information of the plurality of remote terminals and the plurality of data units; and transmitting the multiplexed data unit to a base station, wherein the identification information includes a terminal identifier used to identify each of the plurality of remote terminals.

Abstract: A user device for a radio communication system supporting Device-to-Device (D2D) communication is disclosed. The user device includes a transmitter that transmits a D2D signal by mapping a reference signal to a physical channel according to a first mapping configuration or according to a second mapping configuration. The reference signal is mapped to more symbols in the second mapping configuration than in the first mapping configuration. When transmitting the D2D signal by applying the second mapping configuration to a Physical Sidelink Shared Channel (PSSCH), the transmitter of the user device generates parameters for generating the reference signal to be mapped to the PSSCH based on information included in a Physical Sidelink Control Channel (PSSCH).

Abstract: Disclosed are embodiments for reducing likelihood of selecting a cell identified by a Radio Access Network (RAN) Notification Area ID (RNA ID) that is different from that identifying a last or current serving cell so as to avoid an RNA update procedure; reducing Random Access Channel (RACH) transmissions for an RNA update procedure and a mobile originated (MO) data transmission in response to a Radio Resource Control (RRC) triggered RNA update procedure; and selecting a band or beam in a multi-band/beam cellular system that improves RACH efficiency.

Abstract: A network function virtualization service includes an action implementation layer and an action decisions layer. On a flow of network traffic received at the service, the action implementation layer performs a packet processing action determined at the action decisions layer.

Abstract: A device management system according to one embodiment includes: a notification processing unit configured to obtain a proximity notification that represents a situation in which a portable connection source device is in proximity to a target connection destination device; and a connection determining unit configured to manage a connection between the connection source device and the target connection destination device through a radio communication network in response to the proximity notification.

Abstract: Methods, systems, and devices for wireless communications are described. A user equipment (UE) may transmit, to a base station during a connection establishment procedure, a UE message indicating support for a plurality of connected modes, where the plurality of connected modes includes a first connected mode. The UE may receive, based at least in part on the UE message, a configuration message from the base station configuring resources for the UE to use while operating in the first connected mode. The UE may perform a grantless communication with the base station while operating in the first connected mode and using the configured resources.

Abstract: A user equipment includes at least one processor and at least one memory including computer program code. The at least one memory and the computer program code are configured to, with the at least one processor, cause the user equipment to: select radio resources for a first sidelink transmission to a first user equipment based on sidelink control information from a second user equipment, the sidelink control information including at least beam information for a second sidelink transmission by the second user equipment; and perform the first sidelink transmission to the first user equipment on the selected radio resources.

Abstract: Provided are methods and apparatuses for performing a communication in a wireless communication system. An IAB node of performing a communication, according to an embodiment, includes a transceiver and a processor coupled with the transceiver and configured to perform an authentication and a setup of an IP connectivity with an OAM (operations, administration and maintenance) server, in response to an architecture in which a DU (distribution unit) and a CU (central unit) are split, establish a F1 interface between a DU of the IAB node and a CU of an IAB donor, and provide a service to a UE based on a result of the establishment.

Abstract: A user equipment (UE) may be configured to reattempt to establish a multiple access (MA) protocol data unit (PDU) session when the UE moves to a new registration area. The UE transmits a request for a MA PDU session to the network, receives a message from the network indicating the request has been rejected, wherein the message further includes a status indication for reattempt requests to establish the MA PDU session, determines, when the UE moves into a new registration area of a PLMN, whether reattempt requests are allowed based on, at least, the status indication and transmits, when reattempt requests are allowed, a further request to establish the MA PDU session.

Abstract: Embodiments of this application provide a QoS flow processing method and device, and a communications system. A first access network device sends a message used for a service transfer request to a second access network device, and the message used for the service transfer request includes configuration information of a QoS flow in the first access network device, so that the second access network device can configure a mapping relationship from the QoS flow to a DRB of the second access network device for UE based on the configuration information, and accept the QoS flow of the UE. Therefore, in a service transfer process, a reliable QoS service can be provided for a user, and continuity of a user service can be ensured.

Abstract: A user equipment (UE) and a base station (gNB) are described. The UE includes a higher layer processor configured to determine Hybrid Automatic Repeat Request-Acknowledgment (HARQ-ACK) feedback timing of HARQ-ACK feedback used for ultra-reliable low-latency communication (URLLC) physical downlink shared channel (PDSCH) transmissions. The higher layer processor is also configured to determine a physical uplink control channel (PUCCH) resource for the HARQ-ACK feedback. The UE also includes transmitting circuitry configured to transmit at least one HARQ-ACK bit based on the HARQ-ACK feedback timing and the PUCCH resource. The gNB includes a higher layer processor configured to determine HARQ-ACK feedback timing of HARQ-ACK feedback used for PDSCH transmissions, and to determine a PUCCH resource for the HARQ-ACK feedback. The gNB also includes reception circuitry configured to receive at least one HARQ-ACK bit based on the HARQ-ACK feedback timing and the PUCCH resource.

Abstract: Techniques for operating a wireless network in a plurality of radio operating environments are disclosed. In some embodiments, an apparatus receives a first parameter value set that is selected from a group of multiple parameter value sets, wherein the first parameter value set is appropriate for a first target radio operating environment that corresponds to one or more of: a first level of mobility of user devices or a first range of wireless transmission. In some embodiments, the apparatus is reconfigured to receive wireless broadcast transmissions from a second broadcast transmitter using a second parameter value set that is appropriate for a second target radio operating environment. The first and second broadcast transmitters may be the same or different. The parameter value sets may include a first parameter based upon which the apparatus is configured to determine subcarrier spacing and a second parameter that indicates a cyclic prefix size.