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公开(公告)号：US20240265311A1
公开(公告)日：2024-08-08
申请号：US18641091
申请日：2024-04-19
发明人： Jinke REN , Rong LI , Jian WANG , Gongzheng ZHANG
IPC分类号： G06N20/00
CPC分类号： G06N20/00
摘要： This application provides a machine learning model training method and apparatus. One example method includes: A distributed node sends a first parameter set to a central node. The first parameter set is used to determine a target training method for a machine learning model of the distributed node, and the target training method includes a first training method or a second training method. The central node receives the first parameter set from the distributed node, and determines the target training method for the distributed node based on the first parameter set. The central node sends a first message to the distributed node. The first message includes information about the target training method. The distributed node receives the first message from the central node.
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公开(公告)号：US20230421417A1
公开(公告)日：2023-12-28
申请号：US18463026
申请日：2023-09-07
发明人： Jian WANG , Gongzheng ZHANG , Rong LI , Jun WANG , Wen TONG
CPC分类号： H04L25/03828 , H04L27/2628
摘要： Embodiments of this application disclose a communication method and a communication apparatus, to reduce a PAPR of a signal sent by a sending device by using an FDSS waveform processing manner, and reduce decoding power consumption of a receiving device by using a polar code encoding manner. This improves communication energy efficiency. In this method, the sending device performs frequency domain spectrum shaping FDSS processing on a first signal, to obtain a second signal, where the first signal is a signal obtained by performing polar code encoding based on a modulation and coding scheme; and then, the sending device sends a target signal to the receiving device, where the target signal is a signal obtained based on the second signal.
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公开(公告)号：US20230362039A1
公开(公告)日：2023-11-09
申请号：US18352825
申请日：2023-07-14
发明人： Zhaoyang ZHANG , Zhuoran XIAO , Gongzheng ZHANG , Rong LI , Jian WANG
IPC分类号： H04L25/02
CPC分类号： H04L25/0254
摘要： This application discloses a neural network-based channel estimation method and a communication apparatus. The method may be implemented in the following steps: obtaining first location information of a first communication apparatus; processing the first location information by using a neural network, to obtain first channel information, where the first channel information is information about a radio channel between the first communication apparatus and a second communication apparatus; and performing communication based on the first channel information. The neural network is used to estimate channel information based on location information. This can avoid channel estimation based on a pilot signal, reduce overheads of the pilot signal, and improve efficiency and accuracy of estimating the channel information.
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公开(公告)号：US20230308325A1
公开(公告)日：2023-09-28
申请号：US18323449
申请日：2023-05-25
发明人： Gongzheng ZHANG , Tianhang YU , Chen XU , Rong LI , Jun WANG , Wen TONG
IPC分类号： H04L27/156 , H04L1/00
CPC分类号： H04L27/1563 , H04L1/0057
摘要： A data transmission method includes obtaining a data stream. The data stream includes a plurality of bit groups. The method also includes modulating the data stream into a modulated symbol stream according to a modulation rule, and generating a modulated signal based on the modulated symbol stream. The modulated symbol stream includes a plurality of modulated symbol. The modulation rule includes determining, in a symbol period of one modulated symbol based on a value of a first bit group, a zero time point corresponding to the first bit group. The zero time point is a zero crossing point of the modulated signal in the symbol period. The first bit group includes at least one bit. The first bit group is one of the plurality of bit groups. The method further includes sending the modulated signal.
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公开(公告)号：US20230198660A1
公开(公告)日：2023-06-22
申请号：US18069379
申请日：2022-12-21
发明人： Gongzheng ZHANG , Hejia LUO , Rong LI , Ying CHEN , Yunfei QIAO
CPC分类号： H04L1/0013 , H04L1/0057 , H03M13/13 , H04L1/0045 , H03M13/6356 , H04L1/0041 , H04L1/0068
摘要： 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 N1, polar encodes the K information bits to obtain an encoded sequence of N1 bits, obtains a target sequence of M bits from the N1 bit encoded sequence, and outputs the M-bit target sequence. When the mother code length N1 is larger than the target code length M, (N1−M) bits of the encoded sequence are punctured or shortened from the N1 bit encoded sequence.
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公开(公告)号：US20200244291A1
公开(公告)日：2020-07-30
申请号：US16849643
申请日：2020-04-15
发明人： Mingmin ZHAO , Gongzheng ZHANG , Chen XU , Rong LI
摘要： This disclosure provides a data retransmission method and apparatus. The method includes: A transmitting device obtains information to be transmitted for a tth time, where the information to be transmitted for the tth time includes Rt extension locations and information to be transmitted for a (t−1)th time, and the extension locations include Mt information bits and Lt check bits corresponding to the Mt information bits. The transmitting device then performs Polar encoding on the information to be transmitted for the tth time, to obtain a codeword after the Polar encoding, obtains a codeword for (t−1)th retransmission based on the codeword after the Polar encoding, and transmits the codeword for (t−1)th retransmission. A receiving device performs polar decoding after receiving the codeword for (t−1)th retransmission, to obtain a decoding result of codewords for t times of transmission. By performing, on an encoding side, check encoding on the information bits in an extension part, a decoding path can be reduced in a decoding process, thereby greatly reducing decoding complexity, and reducing storage overheads and calculation overheads.
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公开(公告)号：US20200212933A1
公开(公告)日：2020-07-02
申请号：US16811934
申请日：2020-03-06
发明人： Shengchen DAI , Lingchen HUANG , Gongzheng ZHANG , Yunfei QIAO , Chen XU , Jun WANG , Rong LI
摘要： This application provides an encoding method and apparatus in a wireless communications system. The method includes: performing cyclic redundancy check (CRC) encoding on A to-be-encoded information bits based on a CRC polynomial, to obtain a first bit sequence, where the first bit sequence includes L CRC bits and the A information bits; and performing polar encoding on the first bit sequence, where L has a value of one of 3, 4, 5, 8, and 16. Based on an improved CRC polynomial, coding satisfying a false alarm rate (FAR) requirement is implemented.
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公开(公告)号：US20200059245A1
公开(公告)日：2020-02-20
申请号：US16661832
申请日：2019-10-23
发明人： Gongzheng ZHANG , Hejia LUO , Rong LI , Jian WANG , Jun WANG
摘要： This application provides a polar code transmission method and apparatus. The method includes: transforming a to-be-processed bit sequence at two or more different granularities, where each specific manner at a first granularity is used to implicitly indicate one value in one level of time sequence information, and each specific manner at a second granularity is used to implicitly indicate one value in another level of time sequence information; and sending the transformed (processed) bit sequence, so that different encoded bit sequences can be obtained, and more versions of time sequence information can be implemented, thereby meeting a requirement of transmission in a plurality of levels of time sequences.
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公开(公告)号：US20200007163A1
公开(公告)日：2020-01-02
申请号：US16569301
申请日：2019-09-12
发明人： Yourui Huangfu , Gongzheng ZHANG , Chaolong ZHANG , Rong LI , Jun WANG
摘要： A polar code encoding method and apparatus are provided. The method includes: obtaining a basic sequence, where the basic sequence is a sequence obtained by sorting sequence numbers of polarized channels in descending order or ascending order of reliability, and a length of the basic sequence is L1; determining, based on a maximum encoding length L2 supported by a receiving device, a quantity M of segments of an information bit sequence whose length is N after encoding, where a quantity of bits in the information bit sequence before the encoding is K; and performing polar code encoding on the M segments based on the basic sequence. According to the polar code encoding method, during polar code construction, an encoding device needs to know only a reliability order of min(N/M, L1) polarized channels. In this way, storage overheads of a nested sequence can be effectively reduced, and online computing complexity can be reduced.
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公开(公告)号：US20240357437A1
公开(公告)日：2024-10-24
申请号：US18759003
申请日：2024-06-28
发明人： Gongzheng ZHANG , Yunfei QIAO , Rong LI , Jian WANG
IPC分类号： H04W36/00
CPC分类号： H04W36/0055
摘要： This application provides a communication method and a communication apparatus. Therefore, in a scenario in which a network device provides an artificial intelligence (artificial intelligence, AI) service for a terminal device, AI performance information of the network device is used as a basis for determining whether to access the network device, so that the terminal device subsequently accesses a network device with excellent AI performance information, and obtains an excellent AI service. In the method, the terminal device obtains AI model information of a first network device; and the terminal device determines AI performance information of the first network device based on the AI model information of the first network device.
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