Abstract:
A signal transmission method includes: sending, by a first communication node, system information, where the system information includes configuration information of at least one physical random access channel (PRACH), a PRACH is associated with at least one synchronization signal group, and the synchronization signal group includes a plurality of synchronization signals; receiving, by the first communication node, a random access preamble sent by a second communication node according to the system information; and sending, by the first communication node, a response message for the random access preamble in a preset time window.
Abstract:
This disclosure relates to methods and devices for enabling access to a cell-free wireless communication network. The cell-free wireless communication network may include a plurality of access points and at least one central processing unit controlling the access points. In one implementation, the method may include obtaining an access assisting signal in an access assisting signal set. The access assisting signal set may include a plurality of access assisting signals that enable a user equipment to initially access to the cell-free wireless communication network. The method may include broadcasting the access assisting signal. The plurality of access points broadcast respective access assisting signals at a same time.
Abstract:
A method for transmitting control information, a channel or signal, and a corresponding sending end are provided. The method includes: after performing low bit rate coding and/or low order modulation on data containing the control information, carrying the data on partial physical resources of a reference signal for transmission, herein the coding rate is lower than the highest coding rate set by the system and the modulation order is lower than the highest modulation order set by the system. The method further includes: selecting one transmission mode from multiple transmission modes configured for the channel or signal; transmitting known data; transmitting non-known data and being subject to a coding limitation and/or modulation limitation; and transmitting the non-known data and not being subject to the modulation limitation and the coding limitation; and sending transmission mode configuration information to a receiving end to indicate the selected transmission mode.
Abstract:
The present document discloses a hybrid automatic repeat request process indication method, apparatus and system. Herein the method includes: a base station configuring a plurality of carriers for a user equipment, herein the a plurality of carriers include one or more unlicensed carriers; and for each unlicensed carrier, the base station indicating to the user equipment a carrier for transmitting an HARQ process of the unlicensed carrier.
Abstract:
The present document discloses a wireless synchronization method and a wireless synchronization system. The method includes: determining a synchronization path between a first node and a second node (S110); and using the synchronization path to synchronize the first node and the second node (S120), herein the synchronization path is composed of one or more segments of visible paths, and the visible path is a direct path which connects two nodes visible to each other. The present document further discloses a computer storage medium.
Abstract:
Provided are a virtual anchor point-based wireless positioning method and device, and terminal. The method includes: when an effective positioning condition is met, positioning data is acquired and stored, multipath analysis and tracking is simultaneously performed on received wireless signals transmitted by a signal transmission station, propagation distance information of each path of the signal transmission station is calculated and stored, and virtual image position information of each path of the signal transmission station is calculated and stored according to the positioning data and the propagation distance information of each path of the signal transmission station; and when the condition is not met, at least one virtual image is selected from virtual images of multiple paths of the signal transmission station as at least one positioning virtual anchor point, and current position information is obtained according to the effective positioning condition and the at least one positioning virtual anchor point.
Abstract:
Provided are an information feedback method and apparatus, an information receiving method and apparatus, a device, and a storage medium. The information feedback includes the following: a second node configures a report configuration and sends the report configuration to a first node; the first node receives the report configuration sent by the second node and determines channel state information according to the report configuration, where the channel state information includes a reference signal, and the reference signal satisfies a grouping criterion associated with the report configuration; the channel state information is fed back to the second node through a report instance; and the second node receives the channel state information fed back by the first node through the report instance.
Abstract:
Disclosed are a signal sending method, a signal receiving method, an electronic device and a storage medium. The signal sending method includes the following. A first transmission signal is generated, where the first transmission signal includes a communication signal and a sensing signal, and the sensing signal occupies bandwidth resources of at least two component carriers in a frequency domain; and the first transmission signal is sent.
Abstract:
A wireless communication and sensing method comprising: performing, by a wireless communication and sensing node, a communication function of an integrated sensing and communication, ISAC, signal via one or more communication antennas; and performing, by the wireless communication and sensing node, a sensing function of the ISAC signal via the one or more communication antennas and one or more sensing-dedicated antennas.
Abstract:
A random access method includes: transmitting a physical random access channel (PRACH); receiving a timing pilot signal for responding to the PRACH and detecting a random access response (RAR) message and a physical downlink control channel (PDCCH) for indicating the RAR message, where timings of the RAR message and the PDCCH are determined based on a timing of the timing pilot signal; and transmitting a third message according to the timing pilot signal, the RAR message and the PDCCH, where the third message is used for requesting access to a network.