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Serializer and Deserializer (Serdes) rate matching method and device

A rate matching and rate technology, applied in the field of communication, can solve the problem that the Serdes line rate auto-negotiation method cannot meet the demand, and achieve the effects of short negotiation time, high reliability and low implementation complexity.

Active Publication Date: 2014-01-29
SANECHIPS TECH CO LTD
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Problems solved by technology

[0005] Aiming at the problem that the line rate self-negotiation method of Serdes in the related art cannot meet the demand, the present invention provides a Serdes rate matching method and device to at least solve the above problems

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  • Serializer and Deserializer (Serdes) rate matching method and device
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  • Serializer and Deserializer (Serdes) rate matching method and device

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Embodiment Construction

[0027] Hereinafter, the present invention will be described in detail with reference to the drawings and examples. It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other.

[0028] Considering that in the implementation process, the line rate of Serdes is usually unknown, and it needs to be matched by self-negotiation, but the frame formats of various rates transmitted on Serdes are usually known. Therefore, this embodiment is a method and device for performing rate negotiation under the condition that the line rate of the Serdes is unknown but the frame formats of various rates transmitted on the Serdes are known. This method is not limited to some standard protocols, such as the interface between the Remote Radio Unit (RRU for short) and the Baseband Unit (BBU for short) (Interface between the RRU and the BBU for short). IR), CPRI, Open Base Station Standard Initiativ...

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Abstract

The invention discloses a Serializer and Deserializer (Serdes) rate matching method and device. The Serdes rate matching method includes configuring a first serializing / deserializing rate for a Serdes and performing serializing / deserializing at the first serializing / deserializing rate; judging whether output data of the Serdes are matched with synchronization parameters corresponding to the configured serializing / deserializing rate; determining that the configured serializing / deserializing rate is as same as the input rate of the Serdes on yes judgment. By adopting the Serdes rate matching method and device, the problem in the correlation technique that the linear rate of the Serdes cannot meet demands in the auto-negotiation mode is solved, requirements for auto-negotiation of the Serdes rate can be fast met, the negotiation time is short, reliability is high, and the achievement complexity is low.

Description

technical field [0001] The present invention relates to the field of communications, and in particular, to a rate matching method and device for a serializer / deserializer (SERializer / DESerializer, Serdes for short). Background technique [0002] The line rate auto-negotiation is proposed in the Common Public Radio Interface (CPRI for short) protocol, and the method of line rate auto-negotiation is described in the related art, but the basis of this method is that the input based on CPRI is already Serdes The correct output of , that is, the data stream where character boundaries have been correctly restored. Based on such a correct data flow, it is detected whether the distance between the frame headers is consistent with the CPRI configuration rate, and the negotiation process of the line rate of CPRI being consistent with the Serdes line rate is gradually completed. The Serdes module is generally placed together with the subsequent module. If the Serdes rate is known, the...

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Application Information

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IPC IPC(8): H04L1/00H04W28/22
Inventor 高贞郝鹏黄灿杨丽宁
Owner SANECHIPS TECH CO LTD
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