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Encoding method, decoding method and equipment

A coding method and coding technology, which are applied in the field of decoding methods and equipment, and coding methods, can solve the problems of low PMI accuracy and achieve the effects of improving communication energy efficiency and coding accuracy

Active Publication Date: 2021-04-16
VIVO MOBILE COMM CO 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 encoding method, decoding method and equipment to solve the problem of low PMI accuracy existing in the traditional CSI transmission process

Method used

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  • Encoding method, decoding method and equipment
  • Encoding method, decoding method and equipment
  • Encoding method, decoding method and equipment

Examples

Experimental program
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Embodiment 1

[0042] figure 2 shows a schematic flowchart of an encoding method provided by an embodiment of the present invention, as shown in figure 2 As shown, applied to UE, the encoding method may include step 201:

[0043] Step 201: The UE reports N PMIs to the network device.

[0044] Correspondingly, the peer network device receives N PMIs.

[0045] Wherein, each PMI corresponds to a channel; the first PMI includes channel information of the channel corresponding to the second PMI; the first PMI is one of the N PMIs; the second PMI is at least one PMI before the first PMI, Wherein, N is a positive integer greater than 1.

[0046] In this way, after the UE encodes the channel, the obtained PMI will contain the channel information of at least one PMI before the PMI. For example, when encoding the channel, it will combine the channel information of other channels encoded by the UE before, so as to improve the encoding accuracy of the UE, obtain a higher-precision PMI, and then ob...

example 1

[0059] Example 1: Part of the encoding modules in the above L encoding modules are the same encoding module. For example, assuming that N is 4, that is, a total of 4 coding modules are used, and the coding module numbered 1 and the coding module numbered 2 are used twice respectively.

example 2

[0060] Example 2: The above L encoding modules are N different encoding modules. Assuming that N is 4, that is, a total of 4 coding modules are used, and the UE uses the 4 coding modules of coding module 1, coding module 2, coding module 3 and coding module 4 in sequence.

[0061] In this way, the UE can flexibly select a suitable encoding module to encode channel information according to the current application scenario. Compared with the traditional PMI encoding process, which uses a fixed decoding module for decoding, the resource overhead of the UE is saved and the communication energy efficiency is improved.

[0062] Optionally, in this embodiment of the present invention, the PMI bit widths of all or part of the L encoding modules are the same, or the PMI bit widths of the L encoding modules are all different. It should be noted that the PMI bit widths of the same coding module may be the same or different, and the PMI bit widths of different coding modules may be the sa...

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Abstract

The embodiment of the invention provides an encoding method, a decoding method and equipment, relates to the technical field of communication, and aims to solve the problem of low PMI accuracy in a traditional CSI transmission process. The method comprises the following steps: reporting N PMIs to network equipment, wherein each PMI corresponds to one channel, the first PMI comprises channel information of a channel corresponding to the second PMI, the first PMI is one of the N PMIs, the second PMI is at least one PMI before the first PMI, and N is a positive integer greater than 1. The present application is applied to a CSI transmission scenario.

Description

technical field [0001] The present application relates to the field of communication technologies, and in particular to an encoding method, a decoding method and equipment. Background technique [0002] For a multi-antenna (multi-input multi-output, MIMO) system, the transmitting end device can optimize signal transmission according to channel state information (channel state information, CSI), so that the degree of matching between it and the channel state is higher. For example, a precoding matrix indicator (PMI) can be used to implement eigen beamforming (eigen beamforming), thereby increasing the strength of a received signal or suppressing interference between cells or user equipment (UE). [0003] In related technologies, after receiving the PMI sent by the UE, the network device finds one or more corresponding codewords in the codebook based on the PMI, and obtains combination information between codewords, thereby obtaining corresponding CSI. Among them, the traditi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L1/00H04B7/0417H04B7/0456
CPCH04B7/0639H04B7/063H04B7/0417H04B7/0626H04B7/0641H04B7/0658H04B7/0456H04B17/309H04W24/10H04L5/00H04L1/0009H04L5/0051
Inventor 杨昂孙鹏塔玛拉卡·拉盖施
Owner VIVO MOBILE COMM CO LTD
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