Abstract: The present application relates to a method and device for duplex coordination in a relay network. A second node device sends configuration information to a first node device, so that the first node device, according to the configuration information, receives on a first time domain resource a first message sent by the second node device and sends a second message to a third node device on a second time domain resource. The second node device is a parent node of the first node device, and the third node device is a child node of the first node device. The configuration information includes first and second configuration information which indicates the first and time domain resources, respectively. The first and the second time domain resources partially or completely overlap, and a priority of the first message is higher than a priority of the second message.

Abstract: This application discloses a method and apparatus for transmitting a signal, a terminal device, and a network device. The method for transmitting a signal includes: transmitting, by a terminal device in a first-type random access process, a first message to a network device, and obtaining first indication information from the network device, the first message including a first preamble and first uplink data; and determining, by the terminal device based on the first indication information, whether to make another transmission of the first message to the network device another time, the retransmitted first message including the first preamble and/or the first uplink data, or whether to fall from the first-type random access process back to a second-type random access process.

Abstract: The embodiments of the present application relate to a communication method, a terminal deice, and a network device. The method comprises: a terminal device acquires a target physical random access channel (PRACH) resource set, the target PRACH resource set comprising at least one resource set between a first PRACH resource set and a second PRACH resource set, the first PRACH resource set and the second PRACH resource set being different by at least one resource; and the terminal device determines a target PRACH resource in the target PRACH resource set, the target PRACH resource being used for PRACH transmission in a random access process. The communication method, the terminal device, and the network device of the embodiments of the present application allow the terminal device to access a network via an NR-U carrier.

Abstract: An information transmission method, a terminal device and a network device are provided. The method is applied to a communication system including a network device and a terminal device, and a frequency-domain resource on a carrier used by the communication system is a contention based frequency-domain resource. The method including: the network device determining an available first time-frequency resource and sending first information to the terminal device through the first time-frequency resource; the terminal device receiving first information from the network device through a first time-frequency resource, where the first time-frequency resource is a time-frequency resource in a first downlink transmission burst; and the terminal device determining, according to the first information, that the first time-frequency resource is a downlink time-frequency resource.

Abstract: Disclosed are a data transmission method and a related product. The method includes: when it is detected that a data replication transmission function of a PDCP layer entity is activated, a terminal enabling a first RLC layer entity, a second RLC layer entity being in an enabled status; and invoking the PDCP layer entity to determine a first PDCP PDU associated with a first PDCP SDU, and sending the first PDCP PDU to the first RLC layer entity, wherein the first PDCP PDU is used for the first RLC layer entity and a MAC layer entity to process the first PDCP PDU into a MAC PDU and send same.

Abstract: Disclosed are a method and device for transmitting HARQ information, and a computer storage medium. The method comprises: a terminal device determines a first uplink time unit, the first uplink time unit being a time unit for use by the terminal device in transmitting first uplink control information, the first uplink control information comprising first HARQ information, the first HARD information being at least one piece of HARQ information corresponding to a first downlink shared channel received by the terminal device, the first downlink shared channel comprising at least one downlink shared channel, and the first downlink shared channel being transmitted in at least one downlink time unit in a first time period; and the terminal device transmits the first uplink control information in the first uplink time unit.

Abstract: Embodiments of the present disclosure provide a method for carrier selection in a vehicle to everything (V2X) system and a terminal device, including: determining, by a terminal device according to at least one of information of data to be transmitted, information of the terminal device or information of a carrier for current use, whether to perform carrier selection.

Abstract: Embodiments of this application provide a wireless communication method and a terminal device, to flexibly judge, according to configuration information of a network device, whether a PDCP layer entity needs to re-established, thereby preventing a re-establishment operation from being performed when the PDCP layer entity does not need to be re-established, and then reducing signaling overheads. The method includes: receiving, by a terminal device, configuration information that is used to perform mobility management on the terminal device and that is sent by a network device, where the configuration information includes indication information, and the indication information is used to configure a packet data convergence protocol PDCP layer entity; and determining, by the terminal device according to the indication information, whether to re-establish the PDCP layer entity.

Abstract: Random access method, terminal device, network device, and storage medium. Described is a random access method, comprising: a terminal device determines a first physical random access channel (PRACH) resource set and a second PRACH resource set, the first PRACH resource set being used for the PRACH sending during a first-type random access process, the second PRACH resource set being used for the PRACH sending during a second-type random access process, at least one of first PRACH resources comprised in the first PRACH resource set being different from second PRACH resources comprised in the second PRACH resource set; the terminal device determines a target PRACH resource from the first PRACH resource set or the second PRACH resource set, the target PRACH resource being used for the PRACH sending during a random access process.

Abstract: Disclosed are a method and device for determining a security algorithm, and a computer storage medium. The method comprises: a first base station configures an RAN notification area for a terminal, wherein all base stations in the RAN notification area at least support a first security algorithm; the first base station configures the terminal for the first security algorithm.

Abstract: The present disclosure provides a time-domain resource information indication method and apparatus. The method comprises: in a mobile communication system using multiple subcarrier intervals, transmitting, based on preset subcarrier interval information, time-domain resource indication information of a data channel. The preset subcarrier interval information may comprise one of the multiple subcarrier intervals or is based on rules of the multiple subcarrier intervals. For a system, such as a 5G NR, which uses multiple subcarrier intervals, the present disclosure provides a mechanism for indicating, based on preset subcarrier interval information, time-domain resource information of a data channel.

Abstract: Embodiments of the present application provide a wireless communication method, a terminal device and a network device, in a scenario where CA and DC are combined, one PDCP entity may use more than two RLC entities to transmit a duplication, thus avoiding using all RLC entities to transmit the duplication during the activation, reducing a waste of resources in the duplication transmission scenario, improving system resource utilization, and ensuring the transmission performance of services such as a URLLC service while ensuring the overall transmission performance of the system. The wireless communication method is applied to a scenario where CA and DC are combined, and includes: in a case where a first condition is met, determining, by a terminal device, whether to perform a duplication transmission, and/or, determining, by the terminal device, whether to trigger a duplication transmission.

Abstract: A system for monitoring laser luminous power and method, and a collimating lens thereof are provided, which relate to the field of optical communications. The collimating lens includes a lens main body, where the lens main body includes a light-incident surface into which a divergent beam is input; a first light exit surface from which a collimated beam is output; a second light exit surface; and a reflective surface which reflects a certain proportion of the light beam to the second light exit surface for output. The system includes a laser, the collimating lens described above, and a photoelectric conversion chip. The laser is connected to the light-incident surface of the collimating lens via an optical path, and the photoelectric conversion chip is connected to the second light exit surface of the collimating lens via an optical path.

Abstract: A method and equipment for regulating a communication parameter are provided. The method includes that: a first equipment establishes a communication with a second equipment according to a preset configuration of a Cyclic Prefix (CP) length; the first equipment regulates the configuration of the CP length according to a network state and/or service state in a communication process; and the first equipment sends CP length regulation indication information to the second equipment, the CP length regulation indication information indicating a result of regulation performed by the first equipment on the configuration of the CP length; wherein the first equipment is network equipment, and the second equipment is terminal equipment.

Abstract: A method, device, storage medium and system for determining a time-domain resource determination are provided. The method includes that: allocation information for scheduling a time-domain resource is received from a network device (S401), the time-domain resource to be scheduled including a time-domain resource required by channel transmission; a time-domain position is determined for the time-domain resource to be scheduled based on a preset rule according to UL/DL time-domain resource configuration information and the allocation information; and channel transmission is performed with the network device through the time-domain resource to be scheduled according to the time-domain position corresponding to the time-domain resource to be scheduled.

Abstract: Implementations of the present disclosure provide an indication method, a detection method, and a related device. In the present disclosure, a network device indicates to user equipment, within what frequency domain ranges there is no SSB transmission, thereby preventing the user equipment from performing useless searches in the frequency domain ranges in which there is no SSB.

Abstract: Disclosed are a method and device for signal detection. The method comprises: a terminal receives system configuration information of a second transmission point sent by a first transmission point; the terminal performs downlink signal detection on the second transmission point according to the system configuration information of the second transmission point. The terminal in embodiments of the present invention can obtain the system configuration information of the second transmission point from the first transmission point, thereby reducing the complexity of signal detection on the second transmission point by the terminal.

Abstract: The present disclosure provides a peep-proof film, the peep-proof film includes a light-transmitting film body, an electrophoretic liquid, a first electrode pattern and a second electrode pattern, the film body includes a light incident surface and a light exit surface which are opposite to each other, the first electrode pattern and the second electrode pattern are spaced in a thickness direction of the peep-proof film, the film body has a plurality of receiving cavities thereinside, the electrophoretic liquid is in the receiving cavities, the electrophoretic liquid is located between the first electrode pattern and the second electrode pattern and includes a dispersion medium and electrophoretic particles, and a refractive index of the dispersion medium is less than that of the film body. The present disclosure further provides a backlight source and a display device.

Abstract: Disclosed are a method and device for transmitting a synchronization signal block (SSB), and a storage medium. The method comprises: when an SSB is to be transmitted in an unlicensed band, lengthening a time window for transmission of an SSB; and transmitting the SSB in the lengthened time window. Implementing the solution of the present invention can increase a success rate of SSB transmission.

Abstract: A wireless communications method and device are provided. The method and device lower bit overheads and reduce the complexity of terminal processing in the sending of a synchronization signal (SS) block. The method includes determining that a first indication field in a physical broadcasting channel (PBCH) included in a first SS block is used to indicate a physical resource block (PRB) grid offset between channels or signals of an SS block and a non-SS block or indicate resource information of a second SS block. The method further includes sending the first SS block, wherein when it is determined that the first indication field is used to indicate the resource information of the second SS block, the first indication field in the first SS block indicates the resource information of the second SS block.