Huawei Technologies Co., Limited

Future Wei Technologies, Inc.

Beijing Bytedance Network Technology Co., Ltd.

Beijing Microlive Vision Technology Co., Ltd

Deping Liu

Philippe J Sartori

Zhenwei Lu

Vipul Anil Desai

Zhenshan Zhao

Brian Keith Classon

Yunsong Yang

Weimin Xiao

Yufei W Blankenship

Lixia Xue

Yi Shi

Lei Gao

Bingyu Qu

Qiang Li

Jie Ma

Anthony C K Soong

Hossein Bagheri

Zheng Yu

Liang Xia

Zhenzhen Cao

Xingqing Cheng

Zhongfeng Li

Fredrik Berggren

Hong Li

Mingchao Li

Guanglin Han

Zhengwei Gong

Fang Nan

Zhe Wang

Xiang Chen

Rongting Gu

Ningbo Zhang

Anthony Ck Soong

Anthony CK Soong

This application discloses a method and an apparatus for determining a data feedback resource. The method includes receiving, by a first terminal, first data sent by a second terminal. The method includes determining a feedback resource of the first data. The feedback resource of the first data is a feedback resource in a feedback resource pool. The method includes sending feedback information of the first data to the second terminal on the feedback resource. The feedback information indicates a receiving status of the first data.

Method and apparatus for determining data feedback resource

A communication method, a network side device, and a terminal are provided. In the method, a network side device selects one group of values from at least two preset groups of values for a transmission parameter set. The network side device sends the selected group of values. A terminal sends communication data based on the group of values of the at least two groups of values of the transmission parameter set.

Communication method, network side device, and terminal

Embodiments of this application disclose a data transmission method, including: sending, by a base station, first scheduling information to first UE, where the first scheduling information is used to instruct the first UE to send data to second UE based on the first scheduling information; receiving, by the base station, first feedback information sent by the first UE; and sending, by the base station, second scheduling information to the first UE if the first feedback information indicates that the second UE fails to receive the data. The embodiments of this application further provide a base station, UE, and a data transmission system.

Methods, devices, and systems for device to device (D2D) data transmission and retransmission

Transmission reliability and expanding coverage based on sidelink congestion information in a D2D environment

A method includes: mapping, by a first terminal device, first information to a first time unit and a second time unit; and sending, by the first terminal device, the first information in the first time unit and the second time unit, where the first time unit includes a first symbol including a first cyclic prefix, the second time unit includes at least one second symbol including a second cyclic prefix, a length of the first cyclic prefix is greater than a length of the second cyclic prefix, and a length of the first time unit is equal to N times a length of the second symbol including the second cyclic prefix in the second time unit.

Information transmission method and information transmission apparatus using cyclic prefixes of different lengths in first and second time units

Embodiments of the present disclosure disclose a playlist switching method, apparatus and system, a terminal and a storage medium. The method includes: generating a playlist switching request according to a trigger operation of a creator of a singing room, and sending the playlist switching request to a service, where the playlist switching request includes a target playlist identification and a singing room identification after switching (S); and in case of receiving switching success information, displaying playlist information corresponding to the target playlist identification on a display interface (S).

Playlist switching method, apparatus and system, terminal and storage medium

A synchronization method includes: determining a data signal, where a target sequence in the data signal is mapped to at least one symbol that includes the first symbol within a time unit, data in the data signal is mapped to at least one another symbol in the time unit other than the at least one symbol, the first symbol includes a cyclic prefix, and the target sequence is used by a second device to synchronize the data signal; and sending the data signal to the second device in the time unit. In the present disclosure, a sequence used to synchronize a data signal for each transmission is mapped at an equal spacing to at least one symbol that includes the first symbol within a time unit for the current transmission.

Synchronization method and apparatus

A method and system for including a base station that configures a first user equipment (UE) that is in a radio resource control connected state with the base station. The UE is configured to be a synchronization source and transmit a first device-to-device synchronization signal (D2DSS) by using a synchronization resource that comprises a time resource, a frequency resource or a time and frequency resource. The base station instructs the first UE to transmit the first D2DSS using the synchronization resource. The base station signals the UE to configure the UE separately from the signal to transmit the D2DSS, and both of the signals are performed with radio resource control signaling from the base station to the UE.

System and method for device-to-device synchronization

This application provides a communication method and a terminal device. The communication method may include determining, by user equipment (UE), a candidate resource set on a first carrier, where the first carrier is a carrier on which a resource is currently to be selected, and the first carrier is used to transmit first data. The method may also include selecting, by the UE, a resource on the first carrier from the candidate resource set based on a preset condition, where the preset condition is determined based on resources selected by the UE on other carriers and one or more of the following: a quantity of transmit chains of the UE, a transmit power of the UE, a quantity of resource blocks occupied by the UE, a frequency domain spacing between a plurality of carriers or a plurality of frequency domain resources occupied by the UE, a carrier switching time of the UE, and a half-duplex limitation to the UE, the other carriers indicate all carriers on which the UE has currently selected a resource, and the other carriers are used to transmit second data. The method may also include sending, by the UE, the first data on the resource selected on the first carrier.

Communication method and terminal device

A system and method for multi-cell access are provided. A method includes transmitting at least one control channel to a communications device. The at least one control channel includes control information, and the transmitting is performed by at least one cell in a subset of a cooperating set. The method also includes transmitting to the communications device based on control information transmitted to the communications device, or receiving from the communications device based on control information transmitted to the communications device. The transmitting is performed by at least one other cell in the cooperating set, or the receiving is performed by the at least one other cell in the cooperating set.

System and method for multi-cell access

The present application discloses a method and device for processing multimedia information, an electronic equipment, and a computer-readable storage medium. The method for processing multimedia information includes: detecting whether multimedia configuration parameters have changed during a process of recording multimedia information; and recording the multimedia information based on the changed multimedia configuration parameters when detecting that the multimedia configuration parameters have changed. According to the embodiments of the present application, multimedia configuration parameters of the special effects such as stickers, make-up, filters, and mixing can be added during the recording of multimedia information, which improves the user experience.

Method and device for processing multimedia information, electronic equipment and computer-readable storage medium

Example scheduling assignment information transmission methods, systems, and devices are described. One example method includes obtaining, by a user equipment (UE), a multiplexing manner used to indicate a relationship between a time-frequency resource for transmitting scheduling assignment information and a time-frequency resource for transmitting data information. The UE receives downlink control information comprising scheduling assignment resource indication information sent by a network device, and obtains, based on the scheduling assignment resource indication information and the multiplexing manner, resource location information occupied to transmit the scheduling assignment information. The UE can then transmit the scheduling assignment information based on the resource location information occupied by the scheduling assignment information.

Scheduling assignment information transmission method and system, and device

The present disclosure provides a data sending method. A first terminal device, determines at least two carriers to transmit at least two pieces of data corresponding to a same transport block, and in a one-to-one correspondence with the at least two pieces of data. The at least two pieces of data can be sent by the first terminal to a second terminal device or a network device by using the at least two carriers. When the first terminal device sends data, the first terminal device may send the at least two pieces of data to the second terminal device or the network device on the at least two carriers to improve reliability of data transmission. The at least two pieces of data may be sent simultaneously, to avoid an increased latency by transmissions of the at least two pieces of data in different time units.

Data sending and receiving method and apparatus to improve reliability of data transmission in a V2X communications system

Growing community of inventors

Beijing, China

Deping Liu