Abstract: An apparatus for transmitting and receiving signals, applicable to an integrated access and backhaul node (IAB-node), includes a processor configured to, when a destination BAP address of a first path of the IAB-node is unreachable, change routes of first path data, and a transmitter configured to, based on the changed routes, transmit the first path data.

Abstract: An apparatus for reselecting a sidelink resource includes a memory, and a processor coupled to the memory and configured to take one or more candidate slots as a second candidate slot set of a second transmission period, wherein the one or more candidate slots are obtained based on one or more first candidate slots of a first transmission period and N transmission periods, where, N is the number of periods spacing the second transmission period and the first transmission period apart.

Abstract: A data transmission apparatus, configured in a first terminal equipment, the first terminal equipment performing sidelink transmission to a second terminal equipment, the second terminal equipment performing sidelink discontinuous reception (SL DRX), the data transmission apparatus includes a processor configured to determine a sidelink resource, and select a destination associated with the sidelink resources in a logical channel prioritization (LCP) procedure, and a transmitter configured to transmit the sidelink transmission to the second terminal equipment to which the selected destination corresponds, wherein the sidelink resource being located within the SL DRX active time to which the destination corresponds.

Abstract: A service data transmission method, user equipment, and a network device are provided. The method includes: determining, by a network device, a control message used to indicate at least two SPS configurations, and sending the control message to user equipment; and receiving, by the user equipment, the control message sent by the network device, and activating the at least two SPS configurations based on the control message, where each of the at least two activated SPS configurations is used to transmit corresponding service data. In embodiments of the present invention, at least two SPS configurations can be simultaneously performed, thereby improving service data transmission efficiency.

Abstract: A data processing method, a terminal, and a base station to perform power headroom report (PHR) reporting for an sounding reference signal only component carrier (SRS-only CC). The method includes a terminal generating a power headroom report for a SRS-only CC when a preset condition is satisfied. The method further includes the terminal sending the PHR report to a base station.

Abstract: A terminal synchronization method and a terminal relate to the communications field, where the terminal sends synchronization signals in a distributed manner by controlling a sequence for sending the synchronization signals such that terminals in a vehicle to vehicle communications system can have uniform timing. The method includes obtaining, by a terminal, a configurable transmission period for sending a first synchronization signal, and sending, by the terminal, the first synchronization signal based on the configurable transmission period.

Abstract: A method for buffer status report, a method for configuring buffer status report and apparatuses thereof. The method is applicable to an IAB-node and includes: generating a buffer status report MAC CE (BSR MAC CE), the buffer status report MAC CE containing information on all logical channel groups having data to be transmitted and information on at least one buffer size, a maximum possible number of the logical channel groups being greater than 8; and transmitting the buffer status report MAC CE.

Abstract: An apparatus for generating beam failure information, includes a memory and processor circuitry, the memory storing instructions, and the processor circuitry being configured to execute the instructions to implement the following detecting that beam failure recovery (BFR) of a transmission reception point (TRP) is triggered, and generating a BFR medium access control (MAC) control element (CE) in case where at least one beam failure recovery has been triggered and not cancelled for the TRP and evaluation of candidate beams has been completed, wherein the BFR MAC CE indicates information for the TRP in which beam failure recovery is triggered.

Abstract: A ventilation drug reduction device includes a main housing, a first rectification assembly, a second rectification assembly, and a flow isolating assembly; the main housing is composed of a first segment, a second segment, a third segment, and a fourth segment; the first rectification assembly is composed of first rectification plates; the second rectification assembly is composed of at least one second rectification plate; the flow isolating assembly is arranged in a cavity of the third segment; the fourth segment is configured as an outlet end. On the premise that the total construction cost is not obviously increased, high-pressure gas is rectified in a cavity of the main housing, so that the turbulivity of the high-pressure gas is reduced, and a stable insulating gas layer is formed at the bottom of a hull; in addition, the present invention further discloses a marine ventilation drug reduction system.

Abstract: An integrated access and backhaul (IAB) communication method includes detecting, by an IAB node, that on a backhaul link between the IAB node and a parent node, a radio link failure (RLF) occurs or a radio link failure (RLF) recovery is successful, or a radio link failure (RLF) recovery is failure, and transmitting, by the IAB node, RLF indication information to an IAB child node or a terminal equipment by using a Backhaul Adaptation Protocol (BAP) control Protocol Data Unit (PDU), the RLF indication information being used for indicating one of at least two backhaul radio link failure (BH RLF) types.

Abstract: A data reception method and apparatus and a system. The apparatus is applicable to a first terminal equipment, a second terminal equipment transmits sidelink data to the first terminal equipment, and the first terminal equipment is configured with sidelink discontinuous reception. The method includes: the first equipment decodes a transmission of received sidelink data transmitted by the second terminal equipment to obtain a decoding result; and in a case where a sidelink feedback channel (PSFCH) used for transmitting the decoding result is unable to be transmitted, if sidelink control information to which the transmission of sidelink data received by the first terminal equipment corresponds reserves a sidelink shared channel (PSSCH) resource for a next transmission of the sidelink data, for a corresponding sidelink process, the first terminal equipment is at active time in a time unit where the reserved sidelink shared channel resource is present.

Abstract: A signal transmission and reception method and apparatus and a communication system, the signal transmission and reception apparatus being applicable in an IAB-DU and includes a first receiver configured to receive uplink data transmitted to a parent node of an integrated access and backhaul (IAB) node via an uplink; and a first transmitter configured to transmit flow control feedback information to a child node of the integrated access and backhaul node, the flow control feedback information being used to indicate a load status of uplink transmission of the integrated access and backhaul node.

Abstract: A method of performing a random access procedure includes randomly selecting a backoff time from within a backoff window ranging from 0 to a specified multiple of a random access preamble unit, waiting until a time initialized with the backoff time expires, and retransmitting a random access preamble.

Abstract: A configuration method and apparatus for beam failure recovery and communication system. The method includes: receiving configurations for beam failure recovery transmitted by a network device; the configurations at least include resource information and/or preamble information used to request a beam failure recovery; and removing at least a part of time frequency resources and/or preambles from the configurations used to request the beam failure recovery. Hence, the terminal equipment is able to remove or release resources and/or preambles of the dedicated configurations, validity of the resources and/or preambles in the dedicated configurations may be controlled, and the resources and/or preambles in the dedicated configurations may be utilized more efficiently at lower signaling overhead.

Abstract: A group migration apparatus, configured in a source donor device, includes a first receiver configured to receive a measurement report transmitted by a migrating IAB (integrated access and backhaul) node, a first transmitter configured to transmit a first migration request message to a target donor device, the first migration request message including context information on the migrating IAB node and its served child IAB-node or UE (user equipment), a second receiver configured to receive a first response message transmitted by the target donor device, the first response message including an RRC (radio resource control) reconfiguration message for the migrating IAB node and its served child IAB-node or UE, and a second transmitter configured to transmit the RRC reconfiguration message to the migrating IAB node and its served child IAB-node or UE.

Abstract: An apparatus and method for transmitting data of vehicle communication (V2X) services and a communication system. The apparatus includes: a first generating unit configured in a media access control (MAC) layer of the terminal equipment and configured to generate at least one protocol data unit (PDU) in a mode identical to a transmission mode to which a service data unit (SDU) contained in a PDU corresponds; and a first transmitting unit configured in the MAC layer and configured to transmit the PDU to a physical layer of the terminal equipment, and notify the transmission mode to which the PDU corresponds to the physical layer. This disclosure facilitates the physical layer to transmit data in a corresponding transmission mode. The terminal equipment may determine the transmission mode or set the transmission mode according to the indication information, and layers of the terminal equipment perform corresponding processing.

Abstract: The embodiments of the present disclosure provide a method and an apparatus for reporting beam failure information. The method includes: determining, by a terminal equipment, that it has completed candidate beam detection based on a synchronization signal block (SSB) or a channel state information reference signal (CSI-RS) in a secondary cell in which a beam failure occurs; and reporting to a network device that a beam failure occurs in the secondary cell.

Abstract: A migration apparatus for an IAB (integrated access and backhaul) node, applicable to a first IAB donor node, the first IAB donor node being a source IAB donor node of the first IAB node, includes a receiver configured to receive a feedback message of a first downlink message comprising a first RRC (radio resource control) reconfiguration message, the first downlink message being transmitted from the first IAB node, and a transmitter configured to transmit a second downlink message to a source parent IAB node of the first IAB node, the second downlink message comprising a second RRC reconfiguration message.

Abstract: An apparatus, applicable to a terminal equipment, includes a receiver configured to receive first indication information, the first indication information being used for indicating first configuration information of a first control resource set, a processor configured to determine second configuration information of a second control resource set of the terminal equipment according to the first indication information or a synchronization signal block (SSB) to which the first control resource set corresponds, and monitor, on resources of the second control resource set, monitor a physical downlink control channel used for receiving a physical downlink shared channel where system information is located.

Abstract: A sidelink discontinuous reception (DRX) apparatus, configured in a first terminal equipment, includes a receiver configured to receive first sidelink control information transmitted by a second terminal equipment, the first sidelink control information indicating a reserved resource used for retransmission after a slot where the first sidelink control information is located, and a processor configured to, at a slot where the reserved resource is located, enable the first terminal equipment to be in an active state or an on state in a sidelink.