Huawei Technologies Co., Limited

Gongzheng Zhang

Rong Li

Yunfei Qiao

Ying Chen

Huazi Zhang

Jian Wang

Hejia Luo

Lingchen Huang

Chen Xu

Yourui Huangfu

Shengchen Dai

Yinggang Du

Jian Jun Wang

Yue Zhou

Guijie Wang

Yiqun Ge

Xiaocheng Liu

Chaolong Zhang

Wen Tong

Chuili Kong

Jiajie Tong

Zukang Shen

Qifan Zhang

Nan Cheng

Tianhang Yu

Rongdao Yu

Wei Ye Chen

Jie Jin

Jun Wang

Wei Chen

Carmela Cozzo

Nikita Andreevich Polianskii

Mikhail Sergeevich Kamenev

Mikhail Kamenev

Nikita Polianskii

Branislav M Popovic

Jun Chen

Yong Xie

Xianbin Wang

Anahid Robert Safavi

Alberto Giuseppe Perotti

Aleksei Eduardovich Maevskii

Vladimir Vitalievich Gritsenko

Zhaoyang Zhang

Mingmin Zhao

Vladimir Gritsenko

Aleksei Maevskii

Yourui Haungfu

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

Embodiments of this application provide a data transmission method and related device. The method includes: A receive end receives data from a transmit end; and sends a first response message to the transmit end at a triggering moment of a first preset condition. The first response message comprises acknowledgement (ACK) or negative acknowledgement (NACK) determined based on a channel quality evaluation result obtained by the receive end after evaluating channel quality of a first channel of the transmit end. The first response message is used by the transmit end to determine, based on the ACK or NACK carried in the first response message, whether to resend the data. The receive end may estimate the channel quality in advance, to predetermine a data receiving status before the data is actually received, and return the channel quality to the transmit end at preset moments. This effectively shortens a data transmission delay.

Data transmission method and device

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

A random access method includes sending a random access preamble to a base station on a first time domain resource, obtaining an index value of the first time domain resource, obtaining an index difference between the first time domain resource and a second time domain resource, obtaining an index value of the second time domain resource by adding the index value of the first time domain resource and the index difference, obtaining a random access radio network temporary identifier (RA-RNTI) based on the index value of the second time domain resource, receiving a random access response (RAR) from the base station, and descrambling a cyclic redundancy check (CRC) code of the RAR using the RA-RNTI.

Random access method and apparatus, device, and storage medium

Embodiments of the application provide a method for rate matching in a wireless communication network. A device obtains K information bits and a target code length M of a polar code, determines, according to a minimum value of a set of values, a mother code length N, polar encodes the K information bits to obtain an encoded sequence of N bits, obtains a target sequence of M bits from the N bit encoded sequence, and outputs the M-bit target sequence.

Method for encoding information in communication network

A hybrid automatic repeat request (HARQ) process disabling method, a receiving device, and a sending device in communication, the method including a receiving device obtaining indication data, where the indication data is used to indicate to disable a HARQ process, and the receiving device disabling the HARQ process.

HARQ process disabling method, receiving device, and sending device

This application discloses a communication method. The method includes: A terminal device obtains a first message, where the first message carries target adjustment information. The terminal device obtains a second message, where the second message carries a timing advance (TA). The terminal device adjusts uplink sending time based on the target adjustment information and the TA. Embodiments of this application further provide a corresponding terminal device, network device, and storage medium.

Communication method, terminal, network device, and storage medium

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

Embodiments of this application disclose a example polar code encoding methods, example polar code decoding methods, and example apparatuses thereof. One example method in embodiments of this application includes generating an input vector, where the input vector includes T subblocks, a first information bit of a first subblock is obtained by replicating a second information bit of a second subblock, the first subblock and the second subblock are subblocks of the T subblocks, a sequence number of the first subblock is after a sequence number of the second subblock, and T is an integer greater than or equal to 2. Polar encoding can then be performed on the input vector to obtain an encoded bit.

Polar code encoding method, polar code decoding method, and apparatuses thereof

Embodiments of this application provide a coding and modulation method, a demodulation and decoding method, an apparatus, and a device. The coding and modulation method includes obtaining K to-be-encoded bits and a modulation scheme, and coding the K to-be-encoded bits, based on M bit levels of the modulation scheme, to obtain M' code blocks, where M′<M, a code length of an icode block is N, N=M*N, Mis a quantity of bit levels corresponding to the icode block, N is a symbol block length, and 1≤i≤M′. The disclosed method further includes modulating the M′ code blocks, according to a mapping relationship between the M′ code blocks and the M bit levels, to obtain and output a modulated symbol sequence, where a code block whose code length is M*N corresponds to Mbit levels in the mapping relationship.

Coding and modulation method, demodulation and decoding method, apparatus, and device

Embodiments of this application provide example transceiver devices and example transceiver apparatuses used in the example transceiver devices. One example transceiver apparatus includes a transmit antenna and a receive antenna. The transmit antenna is configured to send a local signal to a receive antenna of a peer end. The receive antenna is configured to receive a signal transmitted by a transmit antenna of the peer end. The transmit antenna is on an interference cancellation plane of the receive antenna. The receive antenna is on an interference cancellation plane of the transmit antenna. An interference signal generated by the transmit antenna is canceled on the interference cancellation plane of the receive antenna or the interference cancellation plane of the transmit antenna.

Transceiver apparatus and transceiver device

This application provides an example communication method. The example method includes a terminal device obtains a first message, where the first message includes target adjustment information. The terminal device obtains a second message, where the second message includes a timing advance (TA). The terminal device adjusts an uplink sending time based on the target adjustment information and the TA.

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&#x2264;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.

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Hangzhou, China

Gongzheng Zhang