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

Shengchen Dai

Jiajie Tong

Jian Jun Wang

Wen Tong

Yiqun Ge

Xiaocheng Liu

Yinggang Du

Lingchen Huang

Chen Xu

Xiaolu Wang

Yourui Huangfu

Chaolong Zhang

Yue Zhou

Jianwei Zhou

Bin Wang

Chenlei Xu

Ivan Leonidovich Mazurenko

Zukang Shen

Rongdao Yu

Jianglei Ma

Ming Jia

Bin Liu

Hui Jin

Yan Chen

Yu Wang

Qian Zhang

Yu Cai

Da Wang

Huangping Jin

Branislav M Popovic

Guorong Li

Wei Ye Chen

Jun Chen

Yongbo Zeng

Haitao Zhang

Xianbin Wang

Guijie Wang

Qifan Zhang

Kan Zhang

Fan Zhou

Yanliang Sun

Aleksandr Aleksandrovich Petiushko

Jie Jin

Nan Cheng

Aleksei Eduardovich Maevskii

Vladimir Vitalievich Gritsenko

Xueliang Shi

Guoneng Li

Hong Li

Guangquan Zhang

Jiangshui Zhang

Jian Jing

Siwei Li

Zhenbo Wei

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

Ming Zhang

Meixin Lin

Xin Guo

Yuan Cheng

Hongyan Fu

Chuili Kong

Danni Cheng

Oleg Feat'evich Kurmaev

Pu Zheng

Jinlong Hou

Qiang Ma

Bokun Wu

Su Xu

Jing Chen

Guanru Li

Yue Hu

Geyi Wen

Zixiao Wang

Taiwei Zhang

Taifei Fan

Jing Du

Yanbing Bai

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

This application provides a channel encoding method and a communication apparatus. A second communication apparatus obtains a first parameter of a first communication apparatus, where the first parameter includes a parameter related to channel coding and decoding and a reinforcement learning training parameter. The second communication apparatus determines, based on the first parameter, first code construction information for constructing a coded bit sequence based on an information bit sequence during channel encoding; and after sending the first code construction information to the first communication apparatus, performs channel encoding and decoding on communication data between the first communication apparatus and the second communication apparatus by using the first code construction information to improve channel encoding performance and further improve communication reliability.

Channel encoding and decoding method and communication apparatus

A low density parity check (LDPC) channel encoding method is used in a wireless communications system. A communication device encodes an input bit sequence by using an LDPC matrix, to obtain an encoded bit sequence for transmission. The LDPC matrix is obtained based on a lifting factor Z and a base matrix. The base matrix may be one of eight exemplary designs. The encoding method can be used in various communications systems including fifth generation (5G) telecommunication systems, and can support various encoding requirements for information bit sequences with different code lengths.

Method and apparatus for low density parity check channel coding in wireless communication system

This application relates to the field of wireless communications technologies, and discloses an encoding method and apparatus, to improve accuracy of reliability calculation and ordering for polarized channels. The method includes: obtaining a first sequence used to encode K to-be-encoded bits, where the first sequence includes sequence numbers of N polarized channels, the first sequence is same as a second sequence or a subset of the second sequence, the second sequence comprises sequence numbers of Npolarized channels, and the second sequence is the sequence shown in Sequence Q11 or Table Q11, K is a positive integer, N is a positive integer power of 2, n is equal to or greater than 5, K≤N, N=1024; selecting sequence numbers of K polarized channels from the first sequence; and performing polar code encoding on K the to-be-encoded bits based on the selected sequence numbers of the K polarized channels.

Polar code encoding method and apparatus in wireless communications

The present disclosure relates to power control methods and apparatuses. In one example method, a first uplink transmit power for a terminal device communicating with a source network device is adjusted, based on a first parameter, to obtain a second uplink transmit power, where the second uplink transmit power is used to communicate with a target network device in a handover process.

Uplink power control method and apparatus during handover

A method for determining an auxiliary bit of a polar code and an apparatus. At least K sub-channels are determined based on reliability of a first sub-channel set, where the K sub-channels carry information bits. S sub-channel subsets are determined based on the first sub-channel set, an isub-channel subset in the S sub-channel subsets includes Ji sub-channels carrying auxiliary bits and Ki sub-channels in the K sub-channels. Sequence numbers of the Ji sub-channels carrying the auxiliary bits are after sequence numbers of the Ki sub-channels. The auxiliary bits are known redundancy check RC bits. Polar encoding is performed on the information bits and the auxiliary bits, to output polar-encoded data.

Method for determining auxiliary bit of polar code and apparatus

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Hangzhou, China

Jian Wang