Method and device for sorting codebook

A sorting method and codebook technology, applied in the field of communication, can solve problems such as the decline of precoding performance, and achieve the effect of improving precoding performance and solving the decline of precoding performance.

Inactive Publication Date: 2009-12-16
GLOBAL INNOVATION AGGREGATORS LLC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] The present invention is made in consideration of the above problems. Therefore, the main purpose of the present invention is to provide a codebook sorting mechanism to solve the problem of precoding performance degradation caused by codebook transmission errors

Method used

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  • Method and device for sorting codebook
  • Method and device for sorting codebook
  • Method and device for sorting codebook

Examples

Experimental program
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Embodiment Construction

[0029] method embodiment

[0030] In this embodiment, a codebook sorting method is provided.

[0031] Such as figure 1 As shown, the codebook sorting method according to this embodiment includes: step S102, determine the relationship between the current codebook and other codebooks in the codebook set according to predetermined rules; step S104, determine the current codebook error according to a given error probability The transmission is the probability of another codebook index; step S106, sort the codebooks in the codebook set in the codebook set according to the determined relationship and probability.

[0032] Wherein, after determining the relationship between the current codebook and other codebooks in the codebook set, the method may further include: arranging the relationship between the current codebook and other codebooks in order according to the determined relationship to form a codebook relationship matrix.

[0033] And, after determining the probability that ...

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Abstract

The invention discloses a method and a device for sorting a codebook, wherein the method comprises the following steps: determining the relation between a current codebook and the other codebook in a codebook set according to the predetermined rule; determining that the fault transmission of the current codebook is the probability of the other codebook index according to the given fault probability; and sorting the codebook in the codebook set according to the determined relation and the probability in the codebook set. The invention can solve the problem of decreased pre-coding performance caused by the fault feedback of the codebook so as to effectively improve the pre-coding performance.

Description

technical field [0001] The present invention relates to the communication field, and in particular, to a codebook sorting method and device. Background technique [0002] In systems such as Long term Evolution (LTE) and World Interoperability for Microwave Access (WiMAX), in order to improve system capacity, Orthogonal Frequency Division Multiplexing (OFDM) technology and multiple Multiple input multiple output (MIMO) technology. [0003] OFDM technology can divide the channel into several orthogonal sub-channels to convert high-speed data signals into parallel low-speed sub-data streams. Since the signal bandwidth of each sub-channel is smaller than the relevant bandwidth of the channel, each sub-channel can be regarded as flat Fading the channel, thereby eliminating inter-symbol interference and making channel equalization relatively easy. The introduction of MIMO technology can greatly increase the capacity of the system. Theoretical analysis shows that when there are e...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L1/00H04L27/26
Inventor 孙云锋李峰姜静段亚军
Owner GLOBAL INNOVATION AGGREGATORS LLC
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