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公开(公告)号：US20220286948A1
公开(公告)日：2022-09-08
申请号：US17825787
申请日：2022-05-26
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Hejia LUO , Xiaolu WANG , Jianwei ZHOU , Chenlei XU , Ying CHEN , Rong LI
Abstract: The present disclosure relates to access methods and apparatuses. In one example method, a terminal device determines, based on whether a first frequency offset parameter is in a frequency offset parameter range, whether to access a first cell. If the first frequency offset parameter is in the frequency offset parameter range, a current location of the terminal device is not at an edge of the cell. Otherwise, the current location of the terminal device may be at the edge of the cell.
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公开(公告)号：US20220264636A1
公开(公告)日：2022-08-18
申请号：US17735601
申请日：2022-05-03
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Xiaolu WANG , Hejia LUO , Rong LI , Bin WANG , Jun WANG
Abstract: This application provides a random access method and apparatus, and a device. The network device obtains a first random access preamble length of a first terminal device and a second random access preamble length of a second terminal device, where a value of delay compensation performed by the network device when receiving a first random access preamble is different from a value of delay compensation performed by the network device when receiving a second random access preamble. The network device determines a first random access parameter of the first terminal device and a second random access parameter of the second terminal device based on the first random access preamble length and the second random access preamble length, where there is an overlapping part, in time domain, between a random access preamble indicated by the first random access parameter and a random access preamble indicated by the second random access parameter.
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公开(公告)号：US20220264484A1
公开(公告)日：2022-08-18
申请号：US17736501
申请日：2022-05-04
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Ying CHEN , Yunfei QIAO , Hejia LUO , Yinggang DU , Rongdao YU , Rong LI , Jun WANG
Abstract: 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.
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公开(公告)号：US20220217589A1
公开(公告)日：2022-07-07
申请号：US17702958
申请日：2022-03-24
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Yu WANG , Yunfei QIAO , Rong LI , Jianwei ZHOU , Hejia LUO
Abstract: The technology of this application relates to an information transmission method, an apparatus, and a system. The method includes user equipment receives first indication information sent by a first network device, where the first indication information includes a polarization method of a target cell, and the user equipment performs cell measurement on the target cell based on the polarization method of the target cell. According to the method, the user equipment can obtain the polarization method of the target cell before entering the target cell. In this way, when performing cell handover and reselection, the user equipment can enable, based on the polarization method of the target cell, only a port corresponding to the polarization method of the target cell, to receive a satellite signal, and perform cell measurement on the target cell, to complete cell handover and reselection procedures.
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公开(公告)号：US20220158659A1
公开(公告)日：2022-05-19
申请号：US17587425
申请日：2022-01-28
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Shengchen DAI , Huazi ZHANG , Xianbin WANG , Lingchen HUANG , Rong LI , Yunfei QIAO
IPC: H03M13/00
Abstract: An encoding method is provided. The method includes: when a first code rate K/Nmax is less than or equal to a code rate threshold Rt, reading a second matrix from a preset code table based on a first matrix, where the first matrix includes a matrix that is read from the preset code table and that corresponds to a maximum supported code length Nmax and Rt; reading K rows and (N−K) columns starting from a preset first location in the second matrix to obtain a third matrix; adding a unit matrix with K rows and K columns to a left side of the third matrix to obtain a generator matrix of an (N, K) linear block code, where K rows and (Nmax−Nmax×Rt) columns of the first matrix in a first direction are consistent with K rows and (Nmax−Nmax×Rt) columns of the second matrix in a second direction.
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Patent Agency Ranking
126.发明申请公开(公告)号：US20220131603A1
公开(公告)日：2022-04-28
申请号：US17570212
申请日：2022-01-06
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Yunfei QIAO , Rong LI , Yu WANG
IPC: H04B7/185
Abstract: The present disclosure provides example satellite communication method, terminal device, and computer-readable storage medium. One example method includes receiving a first system message sent by a first satellite, where the first system message indicates a mean anomaly of the first satellite at an ephemeris reference time. A topology of a satellite network to which the first satellite belongs is determined based on the first system message.
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公开(公告)号：US20210176007A1
公开(公告)日：2021-06-10
申请号：US17132566
申请日：2020-12-23
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Rong LI , Gongzheng ZHANG , Ying CHEN , Xiaocheng LIU , Jun WANG
Abstract: 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.
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公开(公告)号：US20200343916A1
公开(公告)日：2020-10-29
申请号：US16923898
申请日：2020-07-08
Applicant: Huawei Technologies Co., Ltd.
Inventor： Jiajie TONG , Huazi ZHANG , Yunfei QIAO , Rong LI , Xiaocheng LIU , Jun WANG
Abstract: A decoding method and apparatus are provided, to improve a degree of parallelism in decoded bit decisions and reduce a decoding delay. The method includes: performing a hard decision on each LLR in an inputted LLR vector having a length of M to obtain a first vector, where M≤N and N is a length of to-be-decoded information; sequentially performing negation of some elements of the first vector to obtain L vectors; and then determining decoding results of the LLR vector based on the L vectors.
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公开(公告)号：US20200220648A1
公开(公告)日：2020-07-09
申请号：US16822712
申请日：2020-03-18
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Jian WANG , Lingchen HUANG , Yunfei QIAO , Rong LI
IPC: H04L1/00
Abstract: Example Polar code rate matching methods and apparatus are described. One example method includes determining a first index set corresponding to N to-be-encoded bits. The first index set includes indexes of Z polarized channels on which forced frozen bits are placed. The Z polarized channels are a subset of N polarized channels corresponding to the N to-be-encoded bits, N=2n, Z
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公开(公告)号：US20200169352A1
公开(公告)日：2020-05-28
申请号：US16778812
申请日：2020-01-31
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
IPC: H04L1/00
Abstract: This application relates to the field of communications technologies, and discloses a polar code encoding method and apparatus, to improve accuracy of reliability computation and sorting of polar channels. The method is: obtaining a first sequence used to encode K to-be-encoded bits, where the first sequence includes sequence numbers of N polar channels, and the sequence numbers of the N polar channels are arranged in the first sequence based on corresponding reliabilities of the N polar channels, where K is a positive integer, N is a mother code length of a polar code, N is a positive integer that is a power of 2, and K≤N; selecting sequence numbers of K polar channels from the first sequence in descending order of the reliabilities; and placing the to-be-encoded bits based on the selected sequence numbers of the K polar channels, and performing polar code encoding on the to-be-encoded bits.
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