Huawei Technologies Co., Limited

Advanced New Technologies Co., Ltd.

Zhejiang University

Zhejiang Moovi Technology Co., Ltd.

Hangzhou Zhongwei Photoelectric Technology Co., Ltd.

Hangzhou Hikvision Digital Technology Co., Ltd.

Zhejiang Lab

Chinese Academy of Medical Sciences

Sanhua (hangzhou) Micro Channel Heat Exchanger Co., Ltd.

Zhejiang Hangzhou Xinfu Pharmaceutical, Co., Ltd.

Wuhan Landing Intelligence Medical Co., Ltd.

Leo Group Pump (zhejiang) Co., Ltd.

Hangzhou Matridx Biotechnology Co Ltd

Hangzhou Zhongwei Photoelectronic Technology Co., Ltd.

Jian Wang

Rong Li

Huazi Zhang

Hejia Luo

Gongzheng Zhang

Yunfei Qiao

Ying Chen

Shengchen Dai

Jiajie Tong

Wen Tong

Jian Jun Wang

Yiqun Ge

Xiaocheng Liu

Yinggang Du

Lingchen Huang

Chen Xu

Xiaolu Wang

Yourui Huangfu

Chaolong Zhang

Yue Zhou

Jianwei Zhou

Bin Wang

Chenlei Xu

Yu Wang

Ivan Leonidovich Mazurenko

Zukang Shen

Rongdao Yu

Jianglei Ma

Ming Jia

Hui Jin

Bin Liu

Yan Chen

Qian Zhang

Yu Cai

Da Wang

Huangping Jin

Wei Ye Chen

Branislav M Popovic

Guorong Li

Wei Huang

Jun Chen

Yongbo Zeng

Haitao Zhang

Jing Chen

Xianbin Wang

Guijie Wang

Aleksandr Aleksandrovich Petiushko

Qifan Zhang

Jie Jin

Nan Cheng

Xueliang Shi

Aleksei Eduardovich Maevskii

Vladimir Vitalievich Gritsenko

Xian Meng

Jifang He

Nikita Andreevich Polianskii

Tianhang Yu

Mikhail Sergeevich Kamenev

Yong Xie

Qiang Gao

Juan Xu

Anahid Robert Safavi

Jiajia Li

Alberto Giuseppe Perotti

Kan Zhang

Fan Zhou

Yanliang Sun

Siwei Li

Zhenbo Wei

Guoneng Li

Hong Li

Guangquan Zhang

Jiangshui Zhang

Jian Jing

Zhan Yu

Dali Qin

Kai Fu

Ming Zhang

Meixin Lin

Xin Guo

Yuan Cheng

Chuili Kong

Hongyan Fu

Danni Cheng

Pu Zheng

Oleg Feat'evich Kurmaev

Jinlong Hou

Qiang Ma

Yue Hu

Bokun Wu

Su Xu

Geyi Wen

Wei Yu

Guanru Li

Zixiao Wang

Embodiments of this application disclose a polar coding method, apparatus, and device, so as to reduce storage overheads of a system. A sequence for polar coding is obtained based on a length M of a target polar code, wherein the sequence comprises L sequence numbers, ordering of the L sequence numbers in the sequence is the same as ordering of the L sequence numbers in a maximum mother code sequence, wherein the maximum mother code sequence is obtained by sorting N sequence numbers of N polarized channels in ascending order or descending order of reliability metrics, wherein L and N are integer power of 2, M is smaller than or equal to L, L is smaller than or equal to N.

Polar coding method, apparatus, and device

A bandwidth part switching method, is applicable to a non-terrestrial network (NTN) to implement BWP switching based on multi-color frequency-division multiplexing. In the method, a terminal device may report, in a second BWP to a network device, an index of a first SSB whose signal quality is greater than or equal to a first threshold in one or more SSBs in a first BWP, and switch from the second BWP to a third BWP. The one or more SSBs correspond to at least one BWP other than the first BWP, and the third BWP is in the at least one BWP and corresponds to the first SSB. After receiving the index of the first SSB in the second BWP, the network device determines the third BWP, and performs service data transmission with the terminal device in the third BWP.

Bandwidth part switching method, apparatus, and system

A polar code encoding method includes obtaining, by an encoding apparatus, to-be-encoded bits, a mother code length, and a first sequence. The first sequence includes sequence numbers of polarized subchannels. The sequence numbers of the polarized subchannels are arranged in the first sequence based on reliability of the polarized subchannels. The method also includes determining, based on the first sequence, polarized subchannels used to contain the to-be-encoded bits, and performing polarization encoding on the to-be-encoded bits to obtain an encoded bit sequence. The method further includes performing rate matching on the encoded sequence to obtain a rate-matched sequence. The method additionally includes outputting the rate-matched sequence.

Polar code encoding and rate-matched sequence outputting method and apparatus

A first communication apparatus obtains first ephemeris information of a second communication apparatus, where the first ephemeris information includes information about m parameters of n parameters in second ephemeris information, n is equal to 6, and m is a positive integer less than n, and the n parameters include a first location parameter, a first location parameter, and a first location parameter in first location information, and a first velocity parameter, a first velocity parameter, and a first velocity parameter in first velocity information. The first communication apparatus determines values of the n parameters in the second ephemeris information based on the first ephemeris information, where the values of the n parameters include values of the m parameters and values of remaining n−m parameters. The first communication apparatus communicates with the second communication apparatus based on the second ephemeris information.

Wireless communication method and apparatus

This application provides example concatenated code encoding and decoding methods. In one example method, polar code encoding is performed on a to-be-encoded message bit sequence based on a frozen bit set and a message bit set that are of a first polar code, to obtain a first encoded code word whose length is N_o. The first encoded code word is interleaved to obtain a second encoded code word, and optimized low-density parity-check (LDPC) code encoding is performed on the second encoded code word to obtain a concatenated code word. Interleaving includes both outer interleaving and inner interleaving. The concatenated code word is then outputted.

Concatenated code encoding method, concatenated code decoding method, and communication apparatus

Example neighboring cell relationship configuration methods and apparatus are described. One example method includes: generating a neighboring cell status function identifier by a satellite, where the neighboring cell status function identifier can be used to indicate an inactive state of at least one neighboring cell of a satellite cell. The satellite sends neighboring cell relationship configuration information that includes the neighboring cell status function identifier to a communications device, and the communications device determines a configuration status of a corresponding neighboring cell based on the neighboring cell relationship configuration information.

Neighboring cell relationship configuration method and apparatus applicable to satellite network

Embodiments of this application provide a communication method and apparatus. In the method, a terminal device receives a first signal, and detects F frames of the first signal to obtain a first resource. F may be a multiplexing factor, such as a frequency/polarization multiplexing factor. The terminal device performs detection based on a frame number of the first resource to obtain a second resource. The first resource and the second resource may be a same resource.

Method and apparatus for detecting a signal based on a multiplexing factor

Encoding methods and apparatuses are provided. The method includes: obtaining to-be-encoded information including K information bits and a mother code length N; determining, based on K and N, a set I corresponding to subchannels of the information bits, where information bits corresponding to subchannel sequence numbers in I are distributed in X outer-code subcodes including Xfirst-type outer-code subcodes, quantities of information bits in the Xfirst-type outer-code subcodes are P, P, . . . , and P, P(i=1, 2, . . . , X) is one of K, K, . . . , and K, which are greater than a first threshold LB and less than a second threshold HB, 1=<m<(HB−LB−1), LB+1<HB, HB<=a length B of an outer-code subcode, X, HB, and B are positive integers, and LB is an integer >=0; and performing encoding based on I.

Encoding and decoding method and apparatus

The present disclosure relates to polar code rate matching methods, apparatuses, and mediums. One example method includes obtaining K to-be-coded bits and a mother code length N, where N=2performing polar code encoding on the K to-be-coded bits based on the mother code length N to obtain an encoded bit sequence, performing rate matching on the polar-encoded bit sequence based on a rate matching sequence to obtain a rate matched sequence with a length of M, and outputting the rate matched sequence.

Polar code rate matching method and apparatus for satellite communication and terrestrial communication

This application provides a gateway handover method and an apparatus, to ensure the reliability of a gateway handover of a terminal device and reduce hardware overheads in a gateway handover process. The terminal device receives a synchronization signal/PBCH (physical broadcast channel) block (SSB) from a network device through a service link. The SSB includes an SSB of a source gateway and an SSB of at least one candidate target gateway. The terminal device obtains a measurement value of channel quality corresponding to the SSB of the at least one candidate target gateway, and sends a measurement result to the network device. The network device forwards the measurement result to the source gateway, which determines, based on the measurement result, whether to hand over the terminal device from the source gateway to one of the at least one candidate target gateway.

Gateway handover method and apparatus

An uplink signal sending and receiving method includes that a first communication apparatus obtains a first timing advance (TA) change rate, and sends an uplink signal in a plurality of first time periods. There is a first time interval between the plurality of first time periods to compensate for a time synchronization drift. A length of the first time interval and a location of the first time interval between the plurality of first time periods are determined based on the first TA change rate, and the first TA change rate is a TA change rate in a communication process of the first communication apparatus.

Uplink signal sending and receiving method, and apparatus

A signal processing method and an apparatus thereof. A first signal is received, wherein the first signal includes x symbols. N types of quantization levels are determined based on a signal distribution parameter of the first signal. A second signal is determined based on the first signal. Quantization processing is performed on the second signal to obtain x groups of first quantization results, wherein the x symbols are in one-to-one correspondence with the x groups of first quantization results. The x groups of first quantization results are mapped to a quantized first signal, wherein the quantized first signal includes x quantization levels, and each group of first quantization results is mapped to one of the N types of quantization levels. Signal processing is performed on the quantized first signal.

Signal processing method and apparatus thereof

This disclosure provides satellite communication methods and apparatuses. One example method includes that a terminal device determines a first time offset of a first random access response window based on a distance information between a satellite base station and the ground. Based on the first time offset and the first random access response window, the terminal device receives a random access response sent by the satellite base station.

Satellite communication method and apparatus

This application provides a beam switching method and apparatus. The beam switching method includes: A satellite device receives first location information of a terminal device. The satellite device sends first indication information, where the first indication information indicates one or more of K switching time periods. The K switching time periods are determined by the satellite device based on first information. The first information includes the first location information of the terminal device, location information of the satellite device, a velocity vector of the satellite device, and beam information of the satellite device. The K switching time periods are time periods in which the terminal device performs K times of beam switching.

Beam switching method and apparatus

A turnaround mechanism of silicon wafers is provided. The turnaround mechanism includes a material frame, a supporting component, a second clamping component. The frame is provided with a material tank. The supporting component includes at least one first clamping component, and each of the at least one first clamping component is configured to clamp or release a support. The second clamping component includes two first rotating shafts disposed oppositely and two second clamping members, the two first rotating shafts are rotatably connected to the material frame, the two second clamping members are correspondingly disposed on the two first rotating shafts respectively, and each of the two second clamping members can rotate with a corresponding first rotating shaft, enabling the two second clamping members to move toward each other to clamp the silicon wafers to be separated.

Turnaround mechanism of silicon wafers

Growing community of inventors

Hangzhou, China

Jian Wang