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Method for data transmission and equipment

A data transmission and equipment technology, applied in the field of data transmission, can solve the problems of waste of transmission bandwidth resources and low data transmission efficiency

Active Publication Date: 2017-05-24
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Therefore, this scheme also maps and transmits redundant overhead, resulting in a waste of transmission bandwidth resources and low data transmission efficiency.

Method used

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  • Method for data transmission and equipment
  • Method for data transmission and equipment

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Embodiment Construction

[0076] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present invention.

[0077] figure 1 It is a schematic diagram of network architecture. Such as figure 1 As shown, the network architecture includes at least one remote radio unit (Remote Radio Unit, RRU) 101 , an optical transport network (Optical Transport Network, OTN) device 102 and a baseband unit (Baseband Unit, BBU) 103 .

[0078] Specifically, taking the CPRI service as an example, in the existing C-RAN solution, the CPRI service is directly and transparently mapped ...

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Abstract

The embodiment of the invention provides a method for data transmission and equipment. The method comprises: synchronization header indication information for indicating a frame header position of a first code stream is determined, wherein the first code stream is obtained by encoding on common public radio interface (CPRI) service data; decoding is carried out on the first code stream to obtain a second code stream, wherein the first code stream is a 10B code stream and the second code stream is an 8B code stream or the first code stream is a 66B code stream and the second code stream is a 64B code stream; frame header indicating information for indicating a frame header position of the second code stream is inserted in the second code stream according to the synchronization header indication information; and the second code stream and the frame header indicating information are mapped into an OPU of an ODU frame. According to the method provided by the invention, decoding is carried out on the 10B code stream / 66B code stream to obtain the 8B code stream / 64B code stream and the frame header indicating information for indicating the frame header position is inserted, so that a self-defined frame is formed. The self-defined is mapped to a playload region directly for transmission by peeling off costs, so that the transmission bandwidth can be saved and the data transmission efficiency can be improved.

Description

technical field [0001] The embodiments of the present invention relate to the technical field of communications, and more specifically, to a method and device for data transmission. Background technique [0002] With the advent of the era of intelligence and the Internet of Things, data bandwidth has ushered in an explosive increase. The future wireless access network needs to meet the rapid increase of bandwidth, and at the same time provide users with cheap wireless broadband Internet access. The conditions that the future wireless access network needs to meet include: 1) reduce energy consumption, reduce capital expenditure and operating expenditure; 2) improve spectrum efficiency and increase user bandwidth; 3) open platform, support multi-standard and smooth upgrade; 4) provide Better Internet service for end users. [0003] A centralized / cooperative / cloud computing wireless access network (Centralized / Cooperative / Cloud) based on a centralized baseband processing pool...

Claims

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Application Information

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IPC IPC(8): H04L1/00
CPCH04B7/26H04J3/1652H04L25/4908H04J2203/0089H04L7/0075H04L69/22H04J3/1617H04J2203/0091
Inventor 尹建廖锦秋肖新刘超
Owner HUAWEI TECH CO LTD
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