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Method and device for transmitting and receiving data

A data transmission method and data technology, applied in the field of communication, can solve the problem of high link carrying rate and cost, and achieve the effect of improving the link carrying rate and saving costs.

Inactive Publication Date: 2011-11-16
ZTE CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The present invention provides a data sending and receiving method and device, which are used to solve the problem of high cost of using optical modules to improve link load rate in the prior art

Method used

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  • Method and device for transmitting and receiving data
  • Method and device for transmitting and receiving data
  • Method and device for transmitting and receiving data

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Embodiment Construction

[0055] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0056] In order to solve the problem of high cost of improving the link load rate in the prior art, the present invention provides a method and device for data transmission and reception. The compression method achieves the purpose of improving the link load rate.

[0057] Such as Figure 1A As shown, a flow chart of a data sending method provided by the present invention includes the following steps:

[0058] Step S101A, respectively performing compression p...

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Abstract

The invention discloses a method and a device for transmitting and receiving data. The method for transmitting data comprises the following steps of: respectively compressing data of each antenna of a data transmitting end to obtain the compressed data, and caching the compressed data into different antennae, wherein the compressed data comprises valid data intercepted from corresponding antenna in the compression process and an interception index, and the interception index is used for indicating an interception start bit; reading the compressed data cached in each antenna, converting bit width of the compressed data into a bit width value required by framing, forming a basic frame with the compressed data of which bit width is converted, and transmitting the basic frame. The method provided by the invention compresses the data to be transmitted, and correspondingly decompressed the data at a receiving end, so that link loading rate is improved without using an optical module which supports high data rate, and cost is effectively saved.

Description

technical field [0001] The invention relates to the field of communication technology, in particular to a method and device for sending and receiving data based on the CPRI protocol. Background technique [0002] The Common Public Radio Interface CPRI (Common Public Radio Interface) Alliance is an industrial cooperation organization dedicated to the formulation of main interface specifications between the radio equipment control center REC (Radio Equipment Controller) inside the radio base station and the radio equipment RE (Radio Equipment). The CPRI protocol formulated by it is used for the general interface between base station and radio frequency in wireless communication base stations. The protocol is divided into physical layer and data link layer horizontally; vertically divided into user data plane, control management plane and synchronization plane. In the CPRI protocol, user platform data is transmitted in IQ data mode. Each IQ data stream corresponds to the data o...

Claims

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Application Information

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IPC IPC(8): H04L1/00H04W28/06
CPCH04W28/06
Inventor 谢辉刘凯王仰锋
Owner ZTE CORP
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