公开(公告)号：US20240223425A1

公开(公告)日：2024-07-04

申请号：US18408111

申请日：2024-01-09

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Bingyu QU ,  Xianda LIU ,  Mingxin GONG ,  Kunpeng LIU

IPC: H04L27/26 ,  H04L5/00 ,  H04L27/20

CPC classification number: H04L27/261 ,  H04L5/0048 ,  H04L27/20 ,  H04L27/26025

Abstract: The present disclosure relates to signal processing methods and apparatus. One example method includes determining a first sequence {x(n)} based on a preset condition and a sequence {s(n)}, generating a reference signal of a first signal by using the first sequence, and sending the reference signal on a first frequency-domain resource. The preset condition is xn=y(n+M)mod K, where






y
n

=

A
·

e


j
×
π
×

s
n


8




,




M∈{0, 1, 2, . . . , 5}, a length of the first sequence is K=6, n=0, 1, . . . , K−1, A is a non-zero complex number, and j=√{square root over (−1)}. The first signal is a signal modulated by using π/2 binary phase shift keying (BPSK). The first frequency-domain resource comprises K subcarriers each having a subcarrier number of k, k=u+L*n+delta, L is an integer greater than or equal to 2, delta∈{0, 1, . . . , L−1}, u is an integer, and subcarrier numbers of the K subcarriers are numbered in ascending or descending order of frequencies.

公开(公告)号：US20220255781A1

公开(公告)日：2022-08-11

申请号：US17731188

申请日：2022-04-27

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Mingxin GONG ,  Bingyu QU

IPC: H04L27/26

Abstract: Embodiments of this application disclose example data processing methods and example apparatuses. One example method includes determining, by a first terminal device based on a parameter group, a first sequence including N elements, where the parameter group includes a first parameter, a second parameter, and a cyclic shift value, the first sequence is obtained by performing cyclic shift on a second sequence based on the cyclic shift value, and the second sequence is determined based on the first parameter and the second parameter. The first terminal device can then send a signal to a network device based on the first sequence.

公开(公告)号：US20210266208A1

公开(公告)日：2021-08-26

申请号：US17318644

申请日：2021-05-12

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Kunpeng LIU ,  Mingxin GONG ,  Leiming ZHANG

IPC: H04L27/26 ,  H04L5/00 ,  H04J13/10

Abstract: This application discloses a sequence generating method and apparatus, and relates to the field of communications technologies, to resolve a problem that a PAPR of a DMRS symbol is higher than that of a data symbol. An initialization factor of a first sequence is obtained, where the initialization factor is associated with a first parameter; and the first sequence is generated based on the initialization factor. In addition, the first parameter is a port number, or the first parameter is a code division multiplexing CDM group identity.

公开(公告)号：US20240283556A1

公开(公告)日：2024-08-22

申请号：US18630952

申请日：2024-04-09

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Yong LIU ,  Mingxin GONG ,  Bingyu QU ,  Yongxing ZHOU ,  Xiaoyan BI ,  Lu RONG ,  Su HUANG

IPC: H04J13/18 ,  H04L5/00 ,  H04L27/26 ,  H04L41/0806 ,  H04W72/51

CPC classification number: H04J13/18 ,  H04L5/0048 ,  H04L27/262 ,  H04L41/0806 ,  H04W72/51

Abstract: This application discloses reference signal and sequence configuration methods and apparatuses for wireless communications. In an implementation, a method includes: generating at least two reference signals, where the at least two reference signals are reference signals corresponding to at least two antenna ports allocated by a network device to a same terminal, the at least two reference signals are reference signals of a same type, the at least two reference signals include a first reference signal and a second reference signal, and a sequence of the first reference signal is different from a sequence of the second reference signal, and sending the at least two reference signals.

公开(公告)号：US20230269044A1

公开(公告)日：2023-08-24

申请号：US18183742

申请日：2023-03-14

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Mingxin GONG ,  Hao SUN ,  Bingyu QU

IPC: H04L5/00 ,  H04J11/00 ,  H04J13/10

CPC classification number: H04L5/0048 ,  H04J11/005 ,  H04J13/10 ,  H04L5/0007 ,  H04W72/21

Abstract: Embodiments of the present disclosure provide, among other implementations, sequence determining methods. One example method provides a sequence group, and one sequence group number is corresponding to at least two sequences, where one sequence is used for mapping to consecutive subcarriers, and at least one other sequence is used for mapping to equally-spaced subcarriers. In some embodiments of the present disclosure, as high as possible cross-correlation between a sending signal obtained after equally-spaced mapping is performed on a sequence in a sequence group can be determined, and a sending signal obtained after continuous mapping is performed on another sequence in the group.

公开(公告)号：US20220312503A1

公开(公告)日：2022-09-29

申请号：US17831683

申请日：2022-06-03

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Mingxin GONG ,  Bingyu QU

IPC: H04W74/08 ,  H04W72/04 ,  H04L27/26 ,  H04J13/00

Abstract: This application relates to a sequence detection method and a device. In embodiments of this application, K candidate frequency domain root sequences may be first filtered based on a differentiation result of received first sequence and differentiation results of candidate frequency domain root sequences, and a candidate frequency domain root sequence to which the first sequence actually corresponds only needs to be determined based on the first sequence and the K candidate frequency domain root sequences. For example, there are U candidate frequency domain root sequences. In this case, a current calculation amount is calculation of U*Cs cross correlation values. In embodiments of this application, a calculation amount is calculation of only L*U+K*Cs, where Cs represents a quantity of sampled time domain cyclic shift values, and L represents a quantity of differentiation granularities.

公开(公告)号：US20220182209A9

公开(公告)日：2022-06-09

申请号：US17380097

申请日：2021-07-20

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Mingxin GONG ,  Bingyu QU ,  Yongxing ZHOU

IPC: H04L5/00 ,  H04J13/00 ,  H04L27/26 ,  H04L25/02

Abstract: A signal sending method, a signal receiving method, and a device are provided. A part that is of a first signal and that is carried on the kth subcarrier in the ith subcarrier group in N subcarrier groups is xi,nid(k), and a sequence {si,nid(k)} related to xi,nid(k) is one of enumerated sequences. The enumerated sequences are sequences with relatively good cross-correlation. Therefore, for two subcarrier groups, provided that selected {si,nid(k)} is two of the enumerated sequences, cross-correlation between signals carried in the two subcarrier groups can be ensured to be relatively good, thereby reducing interference between the signals and improving channel estimation performance.

公开(公告)号：US20240406049A1

公开(公告)日：2024-12-05

申请号：US18737732

申请日：2024-06-07

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Xianda LIU ,  Mingxin GONG ,  Bingyu QU ,  Kunpeng LIU

IPC: H04L27/26 ,  H04J13/00 ,  H04L25/02

Abstract: This application provides a sequence-based signal processing method and apparatus. An example signal processing method includes: determining a sequence {xn} including N elements, where N is equal to 18, and the sequence {xn} satisfies a preset condition; generating a first signal based on the sequence {xn}; and sending the first signal.

公开(公告)号：US20240380554A1

公开(公告)日：2024-11-14

申请号：US18784666

申请日：2024-07-25

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Bingyu QU ,  Bo LI ,  Mingxin GONG

IPC: H04L5/00 ,  H04W72/0446 ,  H04W72/0453

Abstract: This application provides a communication method, an apparatus, and a computer-readable storage medium. The communication method includes: generating at least one reference signal. The at least one reference signal belongs to a reference signal set, and all reference signals in the reference signal set occupy a same time-frequency resource. The reference signal set includes at least two groups of reference signals, and each group of reference signals satisfies: Each group includes a plurality of reference signals, and the plurality of reference signals are pairwise orthogonal. For reference signals with same frequency-domain sequences, corresponding time-domain sequences are orthogonal to each other. For reference signals with same time-domain sequences, corresponding first frequency-domain sequences are orthogonal to each other, and corresponding second frequency-domain sequences are also orthogonal to each other. Based on embodiments of this application, interference between reference signals can be reduced.

公开(公告)号：US20230261827A1

公开(公告)日：2023-08-17

申请号：US18304528

申请日：2023-04-21

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Di ZHANG ,  Mingxin GONG

IPC: H04L5/00 ,  H04L27/26

CPC classification number: H04L5/0048 ,  H04L27/2601

Abstract: A signal sending method, a signal detection method, and an apparatus are disclosed. The method includes: generating a sequence of a reference signal, where a cyclic shift value of the sequence is determined based on a first parameter and a second parameter, the first parameter is a value from 0 to Q−1, the second parameter is a value from 0 to Z−1, Z and Q are positive integers, and Z is not equal to Q; and sending the reference signal based on the sequence. According to the method, a difference between cyclic shift values used by any two terminal devices to determine sequences of reference signals can be randomized. Further, interference between reference signals generated by using cyclic shift values obtained by terminal devices according to the method can be reduced, the interference can be randomized, and channel time-domain filtering performance can be improved.