Wireless data communication method and device, storage medium and electronic device

Patent metadata

Field	Value
Publication number	US-12267164-B2
Application number	US-201917289919-A
Country	US
Kind code	B2
Filing date	Oct 17, 2019
Priority date	Nov 1, 2018
Publication date	Apr 1, 2025
Grant date	Apr 1, 2025

Abstract

Provided are a wireless data communication method and device, a storage medium and an electronic device. The method includes: performing an interleaving operation on first elements in a first data set and second elements in a second data set, wherein the interleaving operation includes: arranging the first elements and the second elements such that there is exchange of data between at least a part of the first elements and at least a part of the second elements, the first data set belongs to a first frequency band, the second data set belongs to a second frequency band, and there is at least one second frequency band.

First claim

What is claimed is:

1. A wireless data communication method performed by a wireless data communication device, the method comprising:
performing an interleaving operation on first elements in a first data set and second elements in a second data set;
wherein the interleaving operation comprises: arranging the first elements and the second elements such that there is exchange of data between at least a part of the first elements and at least a part of the second elements;
wherein the first data set belongs to a first frequency band, the second data set belongs to a second frequency band, and there is at least one second frequency band;
wherein the first elements comprise data bits, and the second elements comprise the data bits, before performing the interleaving operation on the first elements in the first data set and the second elements in the second data set, the method further comprises: parsing a bitstream into at least one first data stream and at least one second data stream, wherein the at least one first data stream is used for indicating at least one data stream to be interleaved in the first frequency band, and the at least one second data stream is used for indicating at least one data stream to be interleaved in the second frequency band, wherein the at least one first data stream forms the first data set, and the at least one second data stream forms the second data set; or,
wherein the first elements comprise subcarrier information elements, and the second elements comprise the subcarrier information elements, the subcarrier information elements are used for indicating amplitude and/or phase information of one or more subcarriers, before performing the interleaving operation on the first elements in the first data set and the second elements in the second data set, the method further comprises: parsing a bitstream into at least one first data stream and at least one second data stream, wherein the at least one first data stream is used for indicating at least one data stream in the first frequency band, and the at least one second data stream is used for indicating at least one data stream in the second frequency band; modulating the at least one first data stream to obtain at least one first subcarrier information set, wherein the at least one first subcarrier information set is used for indicating at least one subcarrier information set to be interleaved in the first frequency band, and the at least one first subcarrier information set forms the first data set; and modulating the at least one second data stream to obtain at least one second subcarrier information set, wherein the at least one second subcarrier information set is used for indicating at least one subcarrier information set to be interleaved in the second frequency band, and the at least one second subcarrier information set forms the second data set.

2. The method according to claim 1 , wherein arranging the first elements and the second elements such that there is exchange of data between at least a part of the first elements and at least a part of the second elements:
forming the first elements in the first data set into a first data subset;
forming the second elements in the second data set into a second data subset; and
arranging at least a part of the first elements in the first data subset into the second data set, and arranging at least a part of the second elements in the second data subset into the first data set.

3. The method according to claim 2 , wherein arranging at least a part of the first elements in the first data subset into the second data set, and arranging at least a part of the second elements in the second data subset into the first data set comprises:
selecting at least one first element from any N continuous first elements in the first data subset, and arranging the at least one first element into the second data set;
selecting at least one second element from any N continuous second elements in the second data subset, and arranging the at least one second element into the first data set;
wherein N is a preset value, and is obtained based on at least one of: a bandwidth of the first frequency band, a modulation and coding scheme of the at least one first data stream, a bandwidth of the second frequency band, a modulation and coding scheme of the at least one second data stream, a signal-to-noise ratio of a channel during signal transmission, a type of the channel during signal transmission, a range of frequency selective fading of the channel during signal transmission, the number of rows and columns of an interleaver array, a total number of frequency bands used for signal transmission, the number of first data streams in the first frequency band, and the number of second data streams in the second frequency band.

4. The method according to claim 2 , further comprising:
obtaining a relationship between a position index of each first element before the interleaving operation and a position index of the first element after the interleaving operation according to at least one of: a bandwidth of the first frequency band, a modulation and coding scheme of the at least one first data stream, a bandwidth of the second frequency band, a modulation and coding scheme of the at least one second data stream, a signal-to-noise ratio of a channel during signal transmission, a type of the channel during signal transmission, a range of frequency selective fading of the channel during signal transmission, the number of rows and columns of an interleaver array, a total number of frequency bands used for signal transmission, the number of first data streams in the first frequency band, and the number of second data streams in the second frequency band;
obtaining a relationship between a position index of each second element before the interleaving operation and a position index of the second element after the interleaving operation according to at least one of: a bandwidth of the first frequency band, a modulation and coding scheme of the at least one first data stream, a bandwidth of the second frequency band, a modulation and coding scheme of the at least one second data stream, a signal-to-noise ratio of a channel during signal transmission, a type of the channel during signal transmission, a range of frequency selective fading of the channel during signal transmission, the number of rows and columns of an interleaver array, a total number of frequency bands used for signal transmission, the number of first data streams in the first frequency band, and the number of second data streams in the second frequency band.

5. The method according to claim 2 , further comprising:
determining the number M1 of the first elements in the first data subset according to at least one of: a modulation and coding scheme of the data stream in the first frequency band, a bandwidth of the first frequency band, a total number of bits transmitted on the first frequency band, a modulation and coding scheme of the data stream in the second frequency band, a bandwidth of the second frequency band, and a total number of bits transmitted on the second frequency band;
determining the number M2 of the second elements in the second data subset according to at least one of: a modulation and coding scheme of the data stream in the first frequency band, a bandwidth of the first frequency band, a total number of bits transmitted on the first frequency band, a modulation and coding scheme of the data stream in the second frequency band, a bandwidth of the second frequency band, and a total number of bits transmitted on the second frequency band;
determining the number m1 of the first elements arranged from the first data subset into the second data subset according to at least one of: a bandwidth of the first frequency band, a modulation and coding scheme of t

Assignees

• Zte Corp

Inventors

• Lv Jianfeng
• Wei Ning
• Li Nan
• Sun Bo

Classifications

• H04L1/0003

  by switching between different modulation schemes · CPC title

• H04B17/336

  Signal-to-interference ratio [SIR] or carrier-to-interference ratio [CIR] · CPC title

• H04L1/0078

  Avoidance of errors by organising the transmitted data in a format specifically designed to deal with errors, e.g. location (forward error control, e.g. FEC, CRC H04L1/004; adaptive formatting H04L1/0006; mappings H04L27/00) · CPC title

• H04L1/0625

  Transmitter arrangements · CPC title

• H04L1/0071 Primary

  Use of interleaving (interleaving per se H03M13/27) · CPC title