Abstract: The embodiments of the present application relate to the technical field of wireless communication, and provide a signal transmission method and device, which are used to more flexibly indicate the transmission of information when PUSCH uplink transmission is performed. The method comprises: a network side device first determines transmission information that is used for uplink signal transmission and that corresponds to first resource information, then generates transmission indication information according to the transmission information, and finally indicates the transmission indication information to a terminal so that the terminal determines, according to the transmission indication information, transmission information corresponding to an uplink signal on a frequency domain resource, and transmits the uplink signal according to the transmission information.

Abstract: A precoding matrix indication method, a precoding matrix determination method, apparatuses and a medium are provided. The precoding matrix indication method includes: determining, by a network side, a set of sub-band precoding matrices, the set of sub-band precoding matrices being a sub-set in an uplink codebook of an uplink signal; determining sub-band information of precoding matrix indication information of the uplink signal in accordance with the set of sub-band precoding matrices, the sub-band information being used to indicate a sub-band precoding matrix that corresponds to each sub-band and is in the set of sub-band precoding matrices; transmitting the precoding matrix indication information comprising the sub-band information to a UE. The UE determines the sub-band precoding matrix corresponding to each sub-band in the set of sub-band precoding matrices in accordance with the sub-band information.

Abstract: The embodiments of the present application provide a method for transmitting an uplink channel, an apparatus, a base station, a terminal and a storage medium. The method includes the following steps: determining an uplink beam or a downlink beam; determining a first beam used for uplink channel transmission according to the uplink beam or the downlink beam, and a predetermined rule or first indication information configured for the terminal by the base station; and transmitting an uplink channel by using the first beam. Therefore, according to the embodiments of the present application, the flexibility in selection of beams used by the uplink channel transmission is improved and the efficiency of the uplink channel transmission is increased.

Abstract: An apparatus for mapping data in a wireless communication system. The apparatus includes circuitry for generating a precoding matrix for multi-antenna transmission based on a precoding matrix indicator (PMI) feedback from at least one remote receiver where the PMI indicates a choice of precoding matrix derived from a matrix multiplication of two matrices from a first code book and a second codebook. The apparatus further includes circuitry for precoding one or more layers of a data stream with the precoding matrix and transmitting the precoded layers of data stream to the remove receiver.

Abstract: The present disclosure provides a method for determining antenna-panel switching, a user equipment and a base station. The method includes: determining antenna-panel switching indication information; and, performing antenna-panel switching according to the antenna-panel switching indication information.

Abstract: An information transmission method, an information transmission device, and an apparatus are provided. The information transmission method includes: receiving indication information from a network side device; and transmitting capability information of the UE, the capability information being used to indicate an SRS transmission capability currently supported by the UE.

Abstract: A beam detection method and apparatus addresses communication quality for downlink beam detection. The beam detection method comprises: a user equipment receiving beam quality monitoring signals sent by a network device by using M beams; determining signal quality indicators of M beam quality monitoring signals, and determining, based on the signal quality indicator of each of the M beam quality monitoring signals, a beam quality indicator of a beam used for sending a beam quality monitoring signal; generating a first detection report which comprises at least one of indication information of at least one beam, the beam quality indicator of which does not meet a first threshold, from among the M beams, the beam quality indicator of the at least one beam, the beam quality indicator of which does not meet the first threshold, from among the M beams.

Abstract: Disclosed are a method for processing multi-transmission reception point (TRP) data, a base station, a terminal, and a storage medium, used for solving the problem in the prior art of low reliability of data transmission when data is transmitted by using multiple TRPs. The method includes a base station generates a resource allocation instruction and a quasi-co-location (QCL) instruction according to the mapping relations between a transmission coding block of data to be transmitted and multiple TRPs, and the QCL instruction is used for indicating the associations between an allocated resource and the QCL identifiers of the multiple TRPs, and the allocated resource comprises a time-frequency resource or a demodulation reference signal (DMRS) port resource; and sends downlink control information (DCI) to a user terminal, the DCI comprising at least the resource allocation instruction and the QCL instruction as well as a data merging and detection instruction.

Abstract: Embodiments of the present invention relate to the technical field of wireless communications, and provide a communication method and apparatus, for improving a transmission gain of an uplink signal. The method comprises: a terminal device determines, in an uplink resource, at least one first sub-band for transmitting an uplink signal; the terminal device transmits the uplink signal according to the received indication information, sent by a network device, of the uplink signal and the at least one determined first sub-band, wherein the indication information is used for indicating a transmission parameter and/or a transmission antenna of the uplink signal. According to the method, a terminal can determine, on the uplink resource, the first sub-band for transmitting the uplink signal, and the terminal and the network device transmit, according to the indication information of the uplink signal, the uplink signal on the determined first sub-band, so that the transmission gain of the uplink signal is improved.

Abstract: Embodiments of the present invention provide a communication method and apparatus, for use in improving the transmission performance of an uplink signal. The communication method provided in the embodiments of the present invention comprises: determining information of at least one sub-band in a frequency-domain resource according to a transmission parameter for uplink signal transmission and/or parameter information of the frequency-domain resource. By means of the method, a terminal or a network device can determine the information of the sub-band. Therefore, frequency selective precoding transmission can be performed by using the determined sub-band information, thereby achieving the purpose of improving the transmission performance of the uplink signal.

Abstract: A method of operating a wireless communication system is disclosed (FIG. 6). The method includes receiving a virtual cell identification (VCID) parameter (600) from a remote transmitter. A base sequence index (BSI) and a cyclic shift hopping (CSH) parameter (604,606) are determined in response to the VCID. A pseudo-random sequence is selected in response to the BSI and CSH (610,612). A reference signal is generated using the selected pseudo-random sequence (614).

Abstract: The present disclosure provides an indication information transmission method and a communication device. The method includes: transmitting an indication information, the indication information includes one or more of the following: sounding reference signal (SRS) resource indication information, precoding matrix indication information, number of transmission layers indication information and antenna panel indication information; at least one of the indication information included in the indication information is sub-band indication information.

Abstract: Channel state information (CSI) feedback in a wireless communication system is disclosed. A precoding matrix is generated for multi-antenna transmission based on precoding matrix indicator (PMI) feedback, wherein the PMI indicates a choice of precoding matrix derived from a matrix multiplication of two matrices from a first codebook and a second codebook. In one embodiment, the first codebook comprises at least a first precoding matrix constructed with a first group of adjacent Discrete-Fourier-Transform (DFT) vectors. In another embodiment, the first codebook comprises at least a second precoding matrix constructed with a second group of uniformly distributed non-adjacent DFT vectors.

Abstract: A system and method for providing both localized and distributed transmission modes for EPDCCH is disclosed, where one EPDCCH comprises of one or multiple CCEs. Localized versus distributed transmission may be defined in terms of the EPDCCH to CCE resource mapping. In a localized transmission CCEs are restricted to be contained within one PRB . In a distributed transmission a CCE spans over multiple PRBs. A UE can be configured to either receive the EPDCCH only in localized or only in distributed transmissions. A UE can also be configured to expect EPDCCH transmissions in both localized and distributed transmissions. In each PRB configured by the higher layer as an EPDCCH resource, 24 REs that may be used for any DMRS transmission are always reserved and not used for EPDCCH transmission.

Abstract: Disclosed are a signal transmission method and apparatus. The signal transmission method and apparatus are used for realizing, by means of a beam for transmitting a beam failure event of a cell, the transmission of a PUCCH when a beam failure occurs in the cell. The signal transmission method provided in the present application comprises: determining that a beam failure occurs in a cell; and if a terminal needs to transmit a physical uplink control channel (PUCCH) signal, transmitting, when a preset condition is satisfied, the physical uplink control channel (PUCCH) signal by using an uplink transmission beam.

Abstract: An information transmission method, an apparatus, a first device, and a second device are provided. The information transmission method includes: transmitting a Beam Failure Recovery (BFR) request to a second device in time slot N, and performing a preset reception scheme on control information on a first Control Resource Set (CORESET) starting from time slot N+K; wherein N is an integer greater than or equal to 0, and K is an integer greater than or equal to 0.

Abstract: An apparatus for mapping data in a wireless communication system. The apparatus includes circuitry for generating a precoding matrix for multi-antenna transmission based on a precoding matrix indicator (PMI) feedback from at least one remote receiver where the PMI indicates a choice of precoding matrix derived from a matrix multiplication of two matrices from a first code book and a second codebook. The apparatus further includes circuitry for precoding one or more layers of a data stream with the precoding matrix and transmitting the precoded layers of data stream to the remote receiver.

Abstract: The present disclosure provides a method for transmitting a beam failure recovery request, a method for transmitting receiving a beam failure recovery request, a terminal and a base station, the method for transmitting the beam failure recovery request is applied to the terminal and includes: determining at least one first target cell according to a preset priority rule when a beam failure event is detected; sending request information of beam failure recovery on the at least one first target cell.

Abstract: Disclosed in the present application are a data transmission method and apparatus and a computer storage medium, to map a data layer to a DMRS port used in transmission according to a preset DMRS port ordering rule, and perform transmission. The data transmission method provided in an embodiment of the present application comprises: determining a preset demodulation reference signal (DMRS) port ordering rule; and mapping a data layer to a DMRS port used in transmission according to the preset DMRS port ordering rule, and sending the data layer to a terminal.

Abstract: Disclosed in the present invention are an uplink power control method, a terminal device and a network device. The uplink power control method comprises: determining, according to the power capability of a terminal device, a power control scaling rule for an uplink signal, and/or determining, according to a first instruction message from a network device, the power control scaling rule; and processing the power of the uplink signal according to the scaling rule, and determining, according to the processed power, the transmission power of the uplink signal at each antenna port.