Abstract: Various solutions for reducing uplink overhead with respect to user equipment and network apparatus in mobile communications are described. An apparatus may monitor a downlink channel. The apparatus may determining whether downlink control information (DCI) is received on the downlink channel. The apparatus may skip a hybrid automatic repeat request-acknowledgement (HARQ-ACK) feedback transmission on an uplink channel in an event that no DCI is received on the downlink channel.

Abstract: In one embodiment, a system comprises a distributed unit (DU) and a plurality of remote units (RUs). All of the RUs are used to serve the same cell. The system can be configured to wirelessly transmit at least some user data to a first user device using a first subset of the RUs and a first beam, where the first subset of the RUs includes less than all of the RUs otherwise used to serve the same cell. In such an embodiment, the system can be configured to determine which RUs are included in the first subset of RUs used to transmit said at least some user data to the first user device based on measurement reports made by the first user device of reference signal transmissions transmitted using multiple beams, where at least some of the reference signal transmissions are transmitted from less than all of the RUs.

Abstract: Embodiments of the present invention disclose a terminal behavior triggering method and a terminal. The method includes: detecting an environment parameter of a terminal and a terminal status parameter of the terminal; determining a target situation event based on the environment parameter and/or the terminal status parameter; and if the environment parameter meets a first preset condition, and the terminal status parameter meets a second preset condition, triggering a terminal behavior corresponding to the target situation event.

Abstract: In certain embodiments, a method includes, by a first mobile device, obtaining a data packet and determining, from a first set of resources, control resources for transmitting scheduling information associated with the data packet. The control resources include a physical sidelink control channel (PSCCH). The method includes determining, by the first mobile device from a second set of resources, acknowledgement (ACK)/negative acknowledgement (NACK) resources associated with the data packet and related to the control resources. The scheduling information includes transmission information for transmitting the data packet and an indication of the ACK/NACK resources. The method includes transmitting, by the first mobile device to a second mobile device, the scheduling information on the control resources and the data packet on a set of resources indicated by the transmission information and listening, by the first mobile device, for an ACK/NACK transmitted by the second mobile device on the ACK/NACK resources.

Abstract: A method for a User Equipment, UE, operating in a wireless communication system, includes triggering power headroom reports (PHRs), in a first Medium Access Control (MAC), entity and a second MAC entity when a first type event occurs in the second MAC entity, wherein the UE is configured with the first MAC entity corresponding to a first base station and the second MAC entity corresponding to a second base station for a radio bearer; triggering a PHR in the second MAC entity only, when a second type event occurs in the second MAC entity, wherein the first type event includes: there are uplink resources allocated for transmission on any cell of the second MAC entity and a required power backoff for the any cell of the second MAC entity has changed more than a threshold, or wherein the first type event includes: there is uplink transmission on any cell of the second MAC entity and a required power backoff for the any cell of the second MAC entity has changed more than a threshold.

Abstract: Disclosed are a method and device for transmitting data. The method includes: a network device sending configuration information to a terminal device, the configuration information including at least one of the following: information for indicating a starting position for transmission of an uplink data block, information for indicating an end position for transmission of an uplink data block, and information for configuring a reference signal for transmission of an uplink data block; and according to the configuration information, the network device receiving an uplink data block sent by the terminal device.

Abstract: In accordance with embodiments disclosed herein, there are provided methods, systems, mechanisms, techniques, and apparatuses for traffic aggregation on multiple Wide Area Network (WAN) backhauls and multiple distinct Local Area Network (LAN) networks; for traffic load balancing on multiple WAN backhauls and multiple distinct LAN networks; and for performing self-healing operations utilizing multiple WAN backhauls serving multiple distinct LAN networks.

Abstract: A communication method and 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) is provided. The disclosure relates to an 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. Further, a method and an apparatus for dynamically configuring channel loss measurement is provided.

Abstract: Embodiments of this application provide a wireless communication method and apparatus. The method includes: receiving, by at least two forwarding nodes, a first data packet from a source node, where the first data packet includes service data, forwarding node set information of the first data packet, and destination node information; and a forwarding node set of the first data packet includes the at least two forwarding nodes, and the destination node information is used to identify a destination node set and/or a destination node; and sending, by at least one forwarding node in the at least two forwarding nodes, a second data packet, where the second data packet includes the service data, forwarding node set information of the second data packet, and the destination node information.

Abstract: A method by which a first device performs sidelink communication is provided. The method comprises the steps of: receiving, from a base station, a sidelink grant associated with a first retransmission resource and an initial transmission resource of a transport block; transmitting, to a second device, a PSCCH and a PSSCH associated with the PSCCH, on the basis of the initial transmission resource; determining a PSFCH resource for receiving a PSFCH from the second device, on the basis of the index of a slot and the index of a subchannel associated with the PSSCH; receiving, from the second device, the PSFCH on a first PSSCH, on the basis of the PSFCH resource; comparing a time interval between the PSFCH resource and the first retransmission resource with a minimum processing time required between the reception of the PSFCH and retransmission of the transport block.

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment may receive, from a base station, a configuration of at least one measurement gap based at least in part on a gap request associated with a network-assisted antenna calibration procedure; and perform, during the at least one measurement gap, a calibration measurement corresponding to the network-assisted antenna calibration procedure. Numerous other aspects are provided.

Abstract: Example transmission methods and apparatus are described. One example method includes: determining, by a network device, downlink control information (DCI), wherein the DCI includes a first request field. The first request field indicates sending reference signal from the network device to a terminal device, and the first request field triggers the terminal device to report a measurement result of the reference signal to the network device. The measurement result includes channel state information (CSI) and/or beam state information (BSI). The DCI is sent by the network device to the terminal.

Abstract: In embodiments of systems and methods for managing communication between a wireless device and a base station, a base station may transmit Remaining Minimum System Information (RMSI) Downlink Control Information (DCI) indicating time and frequency resources for RMSI. A wireless device may receive a Channel State Indicator-Reference Signal (CSI-RS) based on the time and frequency resources for RMSI and may select a sub-beam of a beam associated with a synchronization signal block (SSB). The wireless device may send to the base station an indication of the selected sub-beam associated with the SSB in a Physical Random Access Channel (PRACH) message. The base station and the wireless device each may then perform an initial access procedure using the selected sub-beam to enable the wireless device to establish a communication link with the base station.

Abstract: A cloud radio access network (C-RAN) includes a plurality of remote units (RUs), each with a wireless transceiver to exchange RF signals with at least one UE. The C-RAN also includes a central controller communicatively coupled to the plurality of RUs via a fronthaul comprising one or more ETHERNET switches. The central controller is communicatively coupled to an activation server via a backhaul network. The central controller also includes at least one processor configured to, following initial power up, establish a connection to the activation server indicated by activation server information pre-configured on the central controller. The at least one processor is also configured to receive a commissioning package, which includes commissioning information, from the activation server. The at least one processor is also configured to configure the central controller based on the commissioning information.

Abstract: A link condition announcement method is employed by a wireless fidelity (WiFi) multi-link device (MLD), and includes: obtaining information of a traffic condition of each of a plurality of links owned by the WiFi MLD according to traffic statistics of each of the plurality of links, and transmitting the information of the traffic condition of each of the plurality of links to another WiFi MLD that communicates with the WiFi MLD.

Abstract: A user equipment device (UE) establishes a communication session with a wireless network, and receives, from the wireless network, a message that includes scheduling data that schedules a power-saving mode (PSM) at the UE. The UE interrupts, at a first time based on the scheduling data, a supply of power to a modem of the UE. The UE provides, based on the scheduling data at a second time that is subsequent to the first time, power to the modem.

Abstract: Methods, apparatus and systems for enabling interference avoidance, for example from self and neighboring interference are disclosed. In one representative method implemented in a Wireless Transmit/Receive Unit (WTRU) using time-frequency (TF) resources in first and second directions, the method includes comprising TF resource muting or symbol muting, by the WTRU, one or more TF resources for communication in the first direction based on information associated with a communication in the second direction or subframe shortening, by the WTRU, by one or more TF resources for communication in the first direction based on information associated with a communication in the second direction.

Abstract: A beamforming vector for a communication link between a first device and a second device may be determined by searching, based on a signal from the second device, a hierarchical beamforming codebook including a plurality of beamforming vectors occupying a plurality of levels. The plurality of beamforming vectors may include a first beamforming vector and a second beamforming vector occupying a first level of the hierarchical beamforming codebook. The first beamforming vector may have a first angular range while the second beamforming vector may have a second angular range. The first beamforming vector may be selected as the beamforming vector based on a respective posterior probability an angle-of-arrival of the signal from the second device being in each of the first angular range and the second angular range. Related systems and articles of manufacture, including computer program products, are also provided.

Abstract: A wireless device receives one or more messages. The one or more messages comprise configuration parameters of the cell. The configuration parameters indicate a plurality of control resource sets for multiple transmission reception points. Downlink control information (DCI) is received via a control resource set of the plurality of control resource sets. The DCI comprises a physical uplink control channel (PUCCH) resource indicator. The control resource set comprises one or more control channel elements starting from a first control channel element. A PUCCH resource is determined based on the PUCCH resource indicator. The PUCCH resource is determined based on an index of the first control channel element. The PUCCH resource is determined based on the control resource set. An uplink control information is transmitted via the PUCCH resource in response to the determination of the PUCCH resource.

Abstract: A method and apparatus are disclosed from the perspective of a first device to perform sidelink communication. In one embodiment, the method includes the first device performing sidelink resource selection or reselection procedure for a sidelink transmission to a second device, wherein the sidelink resource selection or reselection procedure is performed to select at least one sidelink resource from candidate sidelink resources within a time duration of selection window. The method further includes the first device selecting a first sidelink resource based on sidelink active time or wake-up time of the second device, wherein the first sidelink resource is within the time duration of selection window. The method also includes the first device performing the sidelink transmission on the first sidelink resource to the second device.