Datang Mobile Communications Equipment Co., Ltd.

China Academy of Telecommunications Technology

Other

Boe Technology Group Co., Ltd.

Hefei Xinsheng Optoelectronics Technology Co., Ltd.

Qiuping Huang

Qiubin Gao

Runhua Chen

Xin Su

Hui Li

Rakesh Tamrakar

Mengjun Wang

Chuanjun Li

Tamrakar Rakesh

Yang Song

Yu Yang

Deshan Miao

Pierre Bertrand

Xuejuan Gao

Xin Zhang

Erlin Zeng

Jianshe Xue

Fangchen Cheng

Shiqiang Suo

Shanzhi Chen

Yu Chan Yang

Zhengwei Chen

Dongseob Kim

Jaemoon Chung

Seong Sil Im

Chao-Huan Hsu

Huawei Xu

Yiwen Lu

The present disclosure provides a data transmission method and device. The method includes: sending a first signal and a demodulation reference signal DMRS corresponding to the first signal to a second device, wherein the first signal includes at least one data stream, and each data stream corresponds to a plurality of DMRS ports; wherein different DMRS ports correspond to at least one of different power amplifiers, different sounding reference signal ports, or different first signal ports.

Data transmission method and device

The present application provides an information transmission method and apparatus, and a storage medium. The method includes: determining whether at least one sounding reference signal (SRS) resource is used for multiple usages; determining, according to a first result, a bit width and/or a coding mode of SRS resource indicator (SRI), where the SRI is used to indicate an SRS resource corresponding to transmission of a physical uplink shared channel (PUSCH); the first result is that the at least one SRS resource is used for multiple usages, or, no SRS resource is used for multiple usages. Therefore, when transmitting an SRS of the SRS resource set, the terminal will perform the SRS transmission according to requirements of multiple usages, so the network device can use the same SRS resource set to realize the measurement of multiple usages, thus improving resource utilization and reducing resource waste.

Information transmission method and apparatus, and storage medium

A method for uplink beam indication and a device are provided. The method includes: indicating by a base station dynamically, a transmission beam of a first uplink signal, to a terminal through transmission beam indication information. The first uplink signal includes at least one of: a sounding reference signal SRS or a signal transmitted on a physical uplink control channel PUCCH.

Method for uplink beam indication and device

The present application can provide an uplink transmission method and apparatus. The method comprises: a base station instructs a UE to send SRSs corresponding to N groups of SRS resources, each of the N groups of SRS resources comprising one or more SRS resources; N being a positive integer; the base station receives the SRSs sent by the UE to determine X groups of uplink scheduling information, each of the X groups of uplink scheduling information corresponding to one group of SRS resources in the N groups of SRS resources; uplink scheduling information in different groups corresponding to SRS resources in different groups; X being a positive integer greater than one and not greater than N; the base station sends the determined X groups of uplink scheduling information to the UE so that the UE transmits an uplink signal according to the X groups of uplink scheduling information.

Uplink transmission method and apparatus

The present disclosure provides a beam failure recovery response transmission method and monitoring method, a base station and a terminal. The transmission method includes: determining at least one serving cell, from serving cells that have an association relationship with a first serving cell, as a second serving cell; and transmitting a beam failure recovery response for the first serving cell on the second serving cell.

Beam failure recovery response transmission method and monitoring method, base station and terminal

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.

Communication method and apparatus for determining information of sub-band in frequency-domain resource

Provided are a signal transmission method and apparatus, and a storage medium. The method includes determining a first determination mode and/or a second determination mode, and the first determination mode is a mode for determining first SRS transmission corresponding to an uplink signal, and the second determination method is a mode for determining a first antenna port corresponding to the uplink signal; and transmitting the first determination mode and/or the second determination mode to a UE, and the UE determines the first SRS transmission according to the first determination mode, and/or determines the first antenna port according to the second determination mode, and transmits the uplink signal according to the first SRS transmission and/or the first antenna port.

Signal transmission method and apparatus, and storage medium

Provided are a method and apparatus for transmitting a sounding reference signal (SRS), and a network device, a terminal. The method includes determining SRS configuration information on the basis of uplink related information corresponding to a terminal; issuing the SRS configuration information to the terminal; and receiving a SRS signal sent by the terminal on the basis of the SRS configuration information. By means of the method the network device, the terminal, SRS configuration information is determined on the basis of uplink-related information, and the dynamic configuration of SRS-related parameters is realized, and the related configuration of a SRS can better adapt to rapid changes in a Doppler frequency shift and a transmission delay caused by fast movement of a satellite, an uplink time-frequency estimation can resist fast-changing timing and frequency deviations, and the timeliness requirement of the uplink time-frequency estimation is satisfied.

SRS transmission method and apparatus, network device, terminal and storage medium

Disclosed are a signal communication method and apparatus. A signal sending method provided in the present application includes: determining that beam failure occurs in a cell; and sending a Physical Uplink Control Channel, PUCCH, through an uplink sending beam when a preset condition is satisfied in a case that a terminal needs to send the PUCCH.

Signal communication method and apparatus

Disclosed in the present application are a signal transmission method, a network device and a UE, the method comprising: a network device determining a first instruction message, the first instruction message instructing a UE to use a first power control policy and/or a first transmission mode to send a first signal; and the network device sending the first instruction message to the UE. The problem in the prior art in which a UE cannot be controlled to use full power to send an uplink signal is solved.

Signal transmission method, network device and terminal device

A method and apparatus for determining uplink scheduling information. The method includes a user equipment (UE) reports full power transmission capability and/or coherence transmission capability to a base station, determining a codebook subset of a codebook-based PUSCH and/or second information according to first information, the first information comprising at least one of the following information: the full power transmission capability, the coherence transmission capability, codebook subset restriction information of the codebook-based PUSCH, and first instruction, and the second information comprising an overhead indicated by a precoded matrix and the number of transport layers of the codebook-based PUSCH and/or an encoding mode indicated by the precoded matrix and the number of transport layers of the codebook-based PUSCH, and receiving uplink scheduling information of the codebook-based PUSCH, and determining the precoded matrix and the number of transport layers of the codebook-based PUSCH according to the uplink scheduling information of the codebook-based PUSCH.

Method and apparatus for determining uplink scheduling information

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.

Method for transmitting beam failure recovery request, method for receiving beam failure recovery request, terminal and base station

An uplink power control method and device are provided. The method includes: receiving first indication information sent by a base station, wherein the first indication information is used to indicate an uplink power control rule for an uplink signal; determining a transmission power of the uplink signal according to the uplink power control rule indicated by the first indication information.

Uplink power control method and device

A beam failure recovery method, a terminal, and a base station are provided. The method includes monitoring a beam failure event according to a reference signal for monitoring a beam failure of a secondary serving cell; reporting the beam failure event to a base station and/or sending a beam failure recovery message to a base station when the beam failure event is detected.

Beam failure recovery method, terminal and base station

Provided are a beam management method and apparatus, and a network side device, a terminal and a storage medium. The method includes receiving beam information for beam management sent by a terminal, wherein the beam information comprises uplink beam information or downlink beam information; determining specified information for beam management according to the beam information, wherein the specified information comprises terminal location information and/or beam quality information; and determining transmission beams for signal transmission and/or a trend of transmission beam change according to the specified information and network deployment information, wherein the signal transmission comprises uplink signal transmission or downlink signal transmission. The great overhead and delay problems caused by the frequent beam sweeping process in high-speed occasions can be solved, the beam management strategy can be optimized and beam sweeping time and beam overhead can be saved.

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Beijing, China

Qiuping Huang