Interface switching device and interface switching method

An interface-to-interface technology, which is applied in the field of interface switching devices, can solve the problems of complex network structure and high networking costs, and achieve the effects of flexible and simple networking, reduced networking costs, and easy implementation

Active Publication Date: 2013-10-02
SHANGHAI HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The embodiment of the present invention provides an interface switching device to solve the problem that only point-to-point optical fiber connection is possible when CRAN server is used for networking, which makes the network structure complex and the networking cost is high

Method used

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  • Interface switching device and interface switching method
  • Interface switching device and interface switching method
  • Interface switching device and interface switching method

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Embodiment Construction

[0070] In order for those skilled in the art to further understand the features and technical contents of the present invention, please refer to the following detailed description and accompanying drawings of the present invention. The accompanying drawings are provided for reference and illustration only, and are not intended to limit the present invention.

[0071] Please see figure 1 , figure 1 It is a schematic diagram of an application scenario of the interface conversion device provided in the embodiment of this application, wherein:

[0072] ○ means 10GE interface, □ means CPRI interface;

[0073] The interface conversion device 101 is the interface conversion device provided in the embodiment of this application. The interface conversion device 101 includes at least one 10GE interface and at least one CPRI interface; when the interface conversion device includes two or more 10GE interfaces and two When there are more than one CPRI interface, the interface switching d...

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Abstract

The invention provides an interface switching device. Base band data and control information are transmitted between a CRAN (Cloud Radio Access Network) server and the interface switching device through an UDP data packet, the synchronization is realized, and switching from a 10GE interface to a CPRI (Common Public Radio Interface) between the CRAN server and an RRU (Remote Radio Unit) is realized. The interface switching device provided by the embodiment of the invention enables networking to be flexible, simple and convenient, is easy to realize, and reduces the networking cost.

Description

technical field [0001] The present invention relates to an interface switching device and method, in particular to an interface switching device and method for a 10GE interface (that is, a 10 Gigabit Ethernet interface) and a CPRI interface (Common Public Radio Interface, that is, a common public radio interface). Background technique [0002] The CPRI interface is used for the transmission of user data, control information, management information and synchronization information between REC (Radio equipment controller, wireless equipment controller) and RE (Radio equipment, wireless equipment). The CPRI interface supports the following types of data streams: IQ Data, the data format under the in-phase and quadrature modulation used by the user platform information, including I data and Q data; synchronization information, synchronization data for frame and time adjustment; L1 control protocol data: used for system startup, physical layer chain The road maintains the transmis...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W28/06H04W92/12H04L29/08
Inventor 卿杰
Owner SHANGHAI HUAWEI TECH CO LTD
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