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Overlapping multiplexing coding method, device and system

A coding method and coding technology, applied in the field of signal processing, can solve problems such as low system gain, achieve the effects of reducing spectral efficiency, low code rate, and increasing constraint length

Inactive Publication Date: 2019-07-02
SHEN ZHEN KUANG CHI HEZHONG TECH LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Embodiments of the present invention provide an overlapping multiplexing coding method, device and system to at least solve the technical problem of low system gain of the OvXDM system in areas with low spectral efficiency

Method used

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  • Overlapping multiplexing coding method, device and system
  • Overlapping multiplexing coding method, device and system

Examples

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Embodiment 1

[0031] According to an embodiment of the present invention, an embodiment of an overlapping multiplexing encoding method is provided. It should be noted that the steps shown in the flow chart of the accompanying drawings can be executed in a computer system such as a set of computer-executable instructions, and , although a logical order is shown in the flowcharts, in some cases the steps shown or described may be performed in an order different from that shown or described herein.

[0032] figure 1 is a flowchart of an overlapping multiplexing coding method according to an embodiment of the present invention, such as figure 1As shown, the method includes the following steps:

[0033] Step S102, acquiring an initial data stream to be encoded, wherein the initial data stream to be encoded is a binary data stream to be encoded.

[0034] Specifically, the aforementioned initial data stream to be encoded is a signal to be sent, and the signal to be sent is a binary data stream. ...

Embodiment 2

[0089] According to an embodiment of the present invention, an embodiment of an overlapping multiplexing encoding device is provided, Figure 5 is a schematic diagram of an overlapping multiplexing encoding device according to an embodiment of the present invention, such as Figure 5 As shown, the device includes:

[0090] The acquiring module 50 is configured to acquire an initial data stream to be encoded, wherein the initial data stream to be encoded is a binary data stream to be encoded.

[0091] The first coding module 52 is configured to convert the binary data stream to be coded into a multi-element coded data stream by performing pure overlapping multiplexing coding on the binary data stream to be coded.

[0092] The second encoding module 54 is configured to perform offset overlap multiplexing encoding on the multivariate encoded data stream, wherein the offset overlap multiplex encoding is used to shift and overlap the multivariate encoded data stream to obtain an e...

Embodiment 3

[0097] According to an embodiment of the present invention, an embodiment of an overlapping multiplexing system is provided, Figure 6 is a schematic diagram of an overlapping multiplexing system according to an embodiment of the present invention, such as Figure 6 As shown, the system includes:

[0098] The first encoder 60 is used to obtain the initial data stream to be encoded, and convert the binary data stream to be encoded into a multi-element encoded data stream by performing pure overlapping multiplexing encoding on the binary data stream to be encoded, wherein the initial data stream to be encoded Stream is a binary data stream to be encoded.

[0099] The second encoder 62, connected in series with the first encoder, is used to perform offset overlap multiplexing coding on the multi-element encoded data stream, wherein the offset overlap multiplex encoding is used to shift and overlap the multi-element encoded data stream to obtain the initial The encoding result o...

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Abstract

The invention discloses an overlapping multiplexing coding method, device and system. The method comprises the steps that an initial to-be-coded data stream is acquired, and the initial to-be-coded data stream is a binary to-be-coded data stream; a binary to-be-coded data stream is converted into a multivariate coded data stream by carrying out pure overlapping multiplexing coding on the binary to-be-coded data stream; and offset overlap multiplexing coding is performed on the multivariate coded data stream, the offset overlap multiplexing coding being used for performing shift overlap on themultivariate coded data stream to obtain a coding result of the initial to-be-coded data stream. The technical problem that the system gain of the OvXDM system is low in a low frequency spectrum efficiency region is solved.

Description

technical field [0001] The present invention relates to the field of signal processing, in particular to an overlapping multiplexing encoding method, device and system. Background technique [0002] The OvXDM system can be expressed as an Overlapped Time Division Multiplexing (OvTDM) system, an Overlapped Frequency Division Multiplexing (OvFDM) system, an Overlapped Code Division Multiplexing (OvCDM) system, an overlapping Space Division Multiplexing (Overlapped Space Division Multiplexing, OvSDM) system, Overlapped Hybrid Division Multiplexing (Overlapped Hybrid Division Multiplexing, OvHDM) system, etc. [0003] The OvXDM system uses the overlap between symbols to construct the coding constraint relationship between symbols, obtain the corresponding system gain through the constraint relationship, improve the transmission reliability of the system, and thus achieve high frequency efficiency transmission. In practical applications, the system's The higher the gain, the bet...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L1/00H04L27/36
CPCH04L1/0009H04L27/364
Inventor 不公告发明人
Owner SHEN ZHEN KUANG CHI HEZHONG TECH LTD
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