Rate negotiation method, data transmission system and related equipment

A rate and re-negotiation technology, applied in the field of communication, can solve the problems of not reaching the highest rate and low data transmission efficiency, and achieve the effect of increasing the rate and improving the efficiency of data transmission

Active Publication Date: 2011-07-20
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] However, due to the fixed configuration of the above-mentioned CPRI rate, in practical applications, the ra...

Method used

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  • Rate negotiation method, data transmission system and related equipment
  • Rate negotiation method, data transmission system and related equipment
  • Rate negotiation method, data transmission system and related equipment

Examples

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Embodiment Construction

[0033] Embodiments of the present invention provide a rate negotiation method, a data transmission system and related equipment, which can improve data transmission efficiency between RECs and REs.

[0034] see figure 1 , a rate negotiation method provided in the embodiment of the present invention includes:

[0035] 101. Communication is performed between the REC and the RE at a first rate;

[0036] In this embodiment, the REC may communicate with the RE at a first rate, and the first rate may be a default communication rate or a preset communication rate.

[0037] 102. The REC determines the second rate communication supported by the REC and the RE;

[0038] During the communication process between the REC and the RE at the first rate, the REC may determine a second rate commonly supported by the REC and the RE, and the second rate is higher than the first rate.

[0039] 103. The REC communicates with the RE at a second rate.

[0040] After the REC determines the second ...

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Abstract

The embodiment of the invention discloses a rate negotiation method, a data transmission system and related equipment, and is used for improving data transmission efficiency. The method comprises the following steps that: a radio equipment controller (REC) communicates with radio equipment (RE) at a first rate; the REC determines a second rate supported by the REC and the RE jointly, wherein the second rate is higher than the first rate; and the REC communicates with the RE at the second rate. The embodiment of the invention also provides a data transmission system and related equipment. The embodiment of the invention can effectively improve the data transmission efficiency.

Description

technical field [0001] The invention relates to the communication field, in particular to a rate negotiation method, a data transmission system and related equipment. Background technique [0002] The current distributed base station (BS, Base Station) is divided into two major components: a base band module (BBU, Base BandUnit) and a radio frequency module. The BBU and the radio frequency module follow the common public radio interface (CPRI, Common Public Radio Interface) interface standard. The BBU corresponds to the radio equipment controller (REC, Radio Equipment Control) in the CPRI protocol, and the radio frequency module corresponds to the radio equipment (RE, Radio Equipment) in the CPRI protocol. According to actual application scenarios, each RE can form a chain, a star, or a ring. [0003] Data transmission is performed between the BBU and the radio frequency module through the CPRI protocol. A data transmission process in the prior art is: [0004] Set the CPR...

Claims

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Application Information

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IPC IPC(8): H04W28/22
Inventor 余卫东
Owner HUAWEI TECH CO LTD
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