Huawei Technologies Co., Limited

Advanced New Technologies Co., Ltd.

Zhejiang University

Zhejiang Moovi Technology Co., Ltd.

Huawei Technologies,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

Jiajie Tong

Jian Jun Wang

Wen Tong

Yiqun Ge

Yinggang Du

Xiaocheng Liu

Xianbin Wang

Xiaolu Wang

Yourui Huangfu

Chaolong Zhang

Bin Wang

Zukang Shen

Jianglei Ma

Ming Jia

Hui Jin

Bin Liu

Shengchen Dai

Chen Xu

Yue Zhou

Jianwei Zhou

Chenlei Xu

Ivan Leonidovich Mazurenko

Rongdao Yu

Yan Chen

Yu Wang

Qian Zhang

Yu Cai

Da Wang

Lingchen Huang

Huangping Jin

Branislav M Popovic

Guorong Li

Wei Huang

Jun Chen

Yongbo Zeng

Haitao Zhang

Guijie Wang

Aleksandr Aleksandrovich Petiushko

Qifan Zhang

Jie Jin

Nan Cheng

Aleksei Eduardovich Maevskii

Vladimir Vitalievich Gritsenko

Xueliang Shi

Wei Ye Chen

Xian Meng

Zhan Yu

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

Guoneng Li

Hong Li

Guangquan Zhang

Siwei Li

Zhenbo Wei

Jiangshui Zhang

Jian Jing

Dali Qin

Ming Zhang

Meixin Lin

Xin Guo

Yuan Cheng

Hongyan Fu

Chuili Kong

Danni Cheng

Pu Zheng

Oleg Feat'evich Kurmaev

Jinlong Hou

Qiang Ma

Jing Chen

Yue Hu

Bokun Wu

Su Xu

Guanru Li

Geyi Wen

Zixiao Wang

Taiwei Zhang

Taifei Fan

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

A weeding machine and a weeding method for seedlings in a paddy field are disclosed. The weeding machine includes a paddy field power chassis, a lifting hydraulic cylinder, a parallelogram suspension frame, a weeding frame, a transmission assembly, and weeding units. The paddy field power chassis vertically adjusts the working depth of the weeding machine through the parallelogram suspension frame and the lifting hydraulic cylinder. The power is transmitted to the weeding units by the transmission assembly. The weeding units are used for pulling out weeds between rows and feeding the weeds to weed chopping channels. Spiral weed chopping knives are used for chopping the weeds and conveying the weeds to feeding channels. Bidirectional variable-pitch augers are used for conveying the chopped weeds to discharge openings of the feeding channels under pressure and discharging the chopped weeds for burying weeds between plants.

Weeding machine and weeding method for seedlings in paddy field

A timing offset parameter update method, a device, and a system are provided, which relate to the field of communication technologies, to help reduce signaling overhead generated when a network device updates a value of a timing offset parameter. The method includes: a terminal device obtains first information that includes a first reference value and first indication information, wherein the first indication information indicates an update rule of a timing offset parameter, and the first reference value is an initial value of the timing offset parameter. The terminal device updates a value of the timing offset parameter based on the first information and a timing offset variation, to obtain an updated value of the timing offset parameter, wherein an absolute value of the timing offset variation is equal to an absolute value of a difference between any two consecutively updated values of the timing offset parameter.

Timing offset parameter update method, device, and system

A method and a communication apparatus for determining a timing advance. A downlink signal is received from a network device. A first reference moment of a signal period of the downlink signal is determined, where the first reference moment includes a start receiving moment of the signal period. A first time interval between the start receiving moment and a start moment of a first period in which the terminal is located is determined. Based on the first time interval, determining whether a start sending moment of the signal period is within the first period, and determining the start sending moment, where a period is a duration distributed at an equal interval on a time axis. A timing advance is determined based on the start receiving moment and the start sending moment, and an uplink signal is sent based on the timing advance.

Method for determining timing advance and communication apparatus

This application provides example network resource configuration methods and apparatuses. One example method includes receiving configuration information from a network device, where the configuration information includes information of a first threshold corresponding to at least one candidate cell, and the first threshold includes at least one of a Doppler frequency shift threshold, a timing advance TA rate threshold, or a Doppler frequency shift change rate threshold. A target cell is determined from the at least one candidate cell based on the configuration information. A handover to the target cell is initiated.

Network resource configuration method and apparatus

Growing community of inventors

Hangzhou, China

Jian Wang