Abstract: Embodiments provide a channel contention method and apparatus. The channel contention apparatus belongs to a basic service set (BSS). The BSS includes an access point (AP) and at least one first station (STA). Both the AP and the at least one first STA participate in channel contention. The apparatus is the AP or any first STA. The apparatus includes a sensing module configured to sense a channel. The apparatus also includes a contention module configured to contend for the channel. The AP centrally performs control and scheduling so that all of at least one network device in the BSS can transmit data using the channel.

Abstract: Embodiments of this application provide a resource management indication method and apparatus. The method includes: generating, by a base station, radio resource management RRM measurement manner indication information, where the RRM measurement manner indication information is used to indicate an RRM measurement manner; and sending, by the base station, the RRM measurement manner indication information to a terminal. In the embodiments of this application, the base station can flexibly indicate the RRM measurement manner to the terminal, so that a more proper RRM measurement manner is used, to improve measurement efficiency and reduce measurement overheads.

Abstract: A data transmission indication method and apparatuses carrying out the method are described herein. The method includes sending, by an access point, orthogonal frequency division multiple access (OFDMA) physical layer signaling to a terminal. The OFDMA physical layer signaling indicates, to the terminal, a subchannel allocated for the terminal, so that the terminal determines the subchannel according to the OFDMA physical layer signaling. The OFDMA physical layer signaling includes an identifier of the terminal and subchannel information corresponding to the identifier of the terminal. A manner in which the access point allocates a subchannel for each terminal according to OFDMA physical layer signaling enables the access point to indicate subchannels for more terminals.

Abstract: A positioning method and a device includes detecting, by a first device using a sensor, a target object that occurs within a range detectable to the sensor; and performing, by the first device in response to detecting any target object, each of determining relative location information of the first device relative to the target object according to a detection signal, determining absolute location information of the target object according to the relative location information and prestored absolute location information of the first device, and sending, using a wireless network, the absolute location information of the target object to a second device disposed on the target object.

Abstract: A method and system for mobility latency reduction in a hierarchical NR architecture is provided. In an embodiment, a method in a network component for handover of a UE includes configuring, by the network component, at least one TRP determined according to UE mobility information. The configuring the at least one target TRP is performed prior to the UE moving into a border area between the at least one target TRP and a first serving TRP. Configuring the at least one target TRP results in the at least one target TRP being configured to act as a secondary serving TRP to the UE. The method also includes configuring at least one target TRP and the UE with corresponding dedicated access resource and monitoring opportunities. The method also includes activating a connection and data communication between the UE and the at least one pre-configured secondary serving TRP.

Abstract: The present invention provides a data transmission indication method, an access point and a terminal. The method includes: sending, by an access point, orthogonal frequency division multiple access (OFDMA) physical layer signaling to a terminal. The OFDMA physical layer signaling indicates, to the terminal, a subchannel allocated for the terminal, so that the terminal determines the subchannel according to the OFDMA physical layer signaling. The OFDMA physical layer signaling includes an identifier of the terminal and subchannel information corresponding to the identifier of the terminal. In the method provided in an embodiment of the present invention, a manner in which the access point allocates a subchannel for each terminal according to OFDMA physical layer signaling enables the access point to indicate subchannels for more terminals.

Abstract: A method includes generating a preamble for a protocol version of a wireless local area network, where the preamble includes a legacy signal L-SIG field and a high efficiency signal HE-SIG field that are arranged in order, the HE-SIG field includes a first orthogonal frequency division multiplexing OFDM symbol and a second OFDM symbol that are arranged in order, and an input information bit of the first OFDM symbol is the same as that of the second OFDM symbol, and sending the preamble to a receive end device, so that the receive end device restores the preamble, and when determining that input information bits obtained after restoring the first OFDM symbol and the second OFDM symbol are the same, determines that the preamble is the preamble of the protocol version.

Abstract: A method for operating a user equipment (UE) adapted to transmit beacons includes adjusting an initial beacon interval between successively transmitted beacons in accordance with a value of at least one parameter and a beacon configuration received from a network entity, thereby producing an adjusted beacon interval, and transmitting a beacon selected in accordance with the adjusted beacon interval in a beacon transmission opportunity determined in accordance with the initial beacon interval.

Abstract: A communication method and a terminal device are provided. The method includes: generating one or more radio frames, where each radio frame includes at least one multiplexing block, each multiplexing block includes a synchronization signal and a PBCH field, and the PBCH field includes information for indicating a beam; and then sending the radio frames to a terminal device.

Abstract: This application discloses an information transmission method and apparatus, and relates to the field of wireless communications technologies. The method in this application includes: receiving first resource configuration information, where the first resource configuration information is used to indicate a transmission resource of downlink control information, the downlink control information includes information used to indicate a transmission resource of a first message in a random access process and/or information used to indicate a transmission resource of a second message in the random access process, the first message includes a random access response message, and the second message includes a contention resolution message; and then receiving the first message and/or the second message based on the downlink control information. This application is applicable to a random access procedure.

Abstract: Embodiments of this application disclose a data receiving method, a data sending method, a data transmission method, and a related apparatus and system. The method includes: sending, by a network device in each transmission subwindow corresponding to a broadcast signal, the broadcast signal to user equipment by using a different antenna port, where the transmission subwindow is obtained by dividing, based on preset subwindow information, a transmission window corresponding to the broadcast signal; and determining, by the UE, a transmission subwindow in which a downlink transmit beam is located; and receiving the broadcast signal in a time in which the transmission subwindow is located, where the time in which the transmission subwindow is located is calculated based on the pre-obtained subwindow information.

Abstract: This disclosure includes a data transmission method, a network device, a terminal device, and a base station. In the data transmission method, a target network device receives data sent by a target base station. The data is sent by a terminal device to the target base station, and the data includes identification information of the terminal device. When the target network device acknowledges, by using the identification information, that the terminal device has not been registered with the target network device, the target network device obtains user information of the terminal device. After the target network device obtains the user information of the terminal device, the target network device sends the data to a gateway. By using the data transmission method, the network device, the terminal device, and the base station disclosed in this patent application, the terminal device can still properly perform data transmission during movement.

Abstract: Embodiments of the present disclosure relate to a communication method, user equipment, and a base station.

Abstract: A grant-free resource configuration method and an apparatus are provided. The method includes: listening to, by a terminal device, a physical downlink control channel on a paging occasion by using a grant-free resource configuration identifier; and obtaining, by the terminal device on the physical downlink control channel or a physical downlink shared channel indicated by the physical downlink control channel, grant-free resource configuration information sent by a network device. In this grant-free resource configuration solution, the terminal device listens to a physical downlink control channel on a same paging occasion by using different identifiers, and obtains grant-free resource configuration information. A configuration occasion is preset, to ensure that the grant-free resource configuration information can be effectively received by the terminal device. In addition, the grant-free resource configuration identifier is used, to facilitate grant-free resource configuration for the terminal device.

Abstract: This application discloses a super-cell handover method which is applied to an NCS and includes: receiving, by a first LE, measurement reports sent by a plurality of first TPs, where the measurement reports are determined by the plurality of first TPs based on a reference signal sent by target UE in a second super cell, the first LE is in a first super cell, the plurality of first TPs are in the first super cell, and the second super cell is adjacent to the first super cell; determining a first handover policy based on a preset condition and the measurement reports, where the first handover policy indicates whether the first LE allows to hand over the UE from the second super cell to the first super cell; and sending indication information of the first handover policy to a second LE, where the second LE is in the second super cell.

Abstract: A network out-of-synchronization state processing method and apparatus, and a network access method and apparatus are provided. The method includes: if a first network device does not receive, in a first time length after the first network device determines that a terminal is in a network out-of-synchronization state, a measurement message reported by a second network device in a signal coverage area of the first network device, instructing at least one second network device in the signal coverage area of the first network device to send paging signaling to the terminal; and setting a network status of the terminal to a detached state if the first network device determines that in a second time length, no second network device in the signal coverage area of the first network device receives a paging response sent by the terminal, and that the terminal is still in the network out-of-synchronization state.

Abstract: Disclosed are a data transmission method and system. One or more pre-setup first bearers are disposed between a first network device and a base station. One or more pre-setup second bearers are disposed between the first network device and a second network device. The transmission method includes the following steps: receiving, by the first network device by using one first bearer, data sent by the base station, where the data is sent by a terminal to the base station by using an air interface resource, and the first bearer used to receive the data is corresponding to a first service attribute of the data; and sending, by the first network device, the data to the second network device by using one second bearer, where the second bearer used to send the data is corresponding to a second service attribute of the data.

Abstract: The present invention discloses a method and an apparatus for obtaining configuration information of a grant-free transmission unit. A centrally configured network element sends configuration information of a grant-free transmission unit of an access device to the access device, where the grant-free transmission unit refers to a transmission resource used for grant-free transmission, and the configuration information of the grant-free transmission unit includes at least one or more of the following information: information about the grant-free transmission unit or information about a grant-free transmission control mechanism. By using the method and the apparatus for obtaining configuration information of a grant-free transmission unit, an access device can obtain configuration information of a grant-free transmission unit.

Abstract: Embodiments of the present disclosure disclose a sequence signal sending method, to receive control information from a network-side device, to clarify a channel resource used by a terminal to send a sequence signal to the network-side device. The method in the embodiments of the present disclosure includes: receiving, by a terminal, control information sent by a network-side device, where the control information includes a sequence identifier and a channel resource indication, and the channel resource indication is used to indicate a channel resource available for the terminal; determining, by the terminal, a corresponding sequence signal based on the sequence identifier; and sending, by the terminal, the sequence signal by using the channel resource. Therefore, it is ensured that the terminal obtains stable and reliable communication quality and provides satisfactory user experience, and a performance requirement of a future network is fully met.

Abstract: This application discloses a communication method and an apparatus. When a terminal device switches to a target cell or is connected to a new primary cell, by requesting a network device to release a session corresponding to a network slice that is not supported by the target cell or the new primary cell and to keep a session corresponding to a network slice that is supported by the target cell or the new primary cell, the session corresponding to the network slice that is not supported by the target cell or the new primary cell can be quickly released, and a network resource is saved while a session corresponding to a network slice supported by the target cell or the new primary cell is enabled to be continued.