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Method for transmitting common public radio interface (CPRI) signal and equipment

A public wireless interface and signal technology, applied in the field of communication, can solve the problem of CPRI signal bandwidth waste, and achieve the effect of improving the utilization rate

Active Publication Date: 2017-07-28
杭州维渊网络科技有限公司
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  • Abstract
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  • Claims
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Problems solved by technology

[0006] In view of this, the embodiments of the present invention provide a method and device for transmitting public radio interface signals, which can solve the problem of bandwidth waste of OTN carrying CPRI signals

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  • Method for transmitting common public radio interface (CPRI) signal and equipment
  • Method for transmitting common public radio interface (CPRI) signal and equipment
  • Method for transmitting common public radio interface (CPRI) signal and equipment

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Embodiment Construction

[0049] The embodiments of the present invention will be described below in conjunction with the drawings.

[0050] The method, device and system for sending and receiving CPRI signals proposed in the embodiments of the present invention can be applied to scenarios where CPRI signals are transmitted back from the front end. figure 2 It is a schematic structural diagram of a network architecture provided by an embodiment of the present invention. Such as figure 2 As shown, the network architecture includes wireless devices of distributed base stations, BBUs and RRUs, and also includes OTN devices. Specifically, the OTN device may include a transponder Tranponder and a multiplexer Muxponder. BBU, RRU and OTN equipment can be controlled uniformly through the controller. Specifically, the controller may be an SDN (Software Defined Network) controller. The BBU and the RRU are connected through one or more OTN devices, and the CPRI signal transmitted between the BBU and the RRU can ...

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Abstract

The embodiment of the invention discloses a method for transmitting a common public radio interface (CPRI) signal. The method comprises the following steps: acquiring the CPRI signal by transmission equipment, and acquiring antenna-carrier (AxC) container configuration information of the CPRI signal, wherein the AxC container configuration information includes indication information of a valid AxC container; mapping the valid AxC container in the CPRI signal into a virtual basic frame according to the AxC container configuration information; and mapping the virtual basic frame into an optical channel data unit (ODU), mapping the ODU into an optical channel transport unit (OTU), and transmitting the OUT into an optical transport channel. The transmission equipment maps the valid AxC container in the CPRI signal into the virtual basic frame, thereby increasing the utilization ratio of an optical transport network (OTN) transfer bandwidth.

Description

Technical field [0001] The present invention relates to the field of communications, and in particular to a method and equipment for transmitting public wireless interface signals. Background technique [0002] In order to achieve low-cost and rapid establishment of wireless networks when the machine room is not in an ideal location, a distributed base station solution is proposed. The solution uses radio remote technology to separate the radio remote unit (RRU) and the baseband control unit (Building Base band Unit, BBU), and the two are connected by optical fiber or cable. The in-phase / quadrature (I / Q) data of digital sampling and quantization is transmitted between the BBU and the RRU through a common radio interface (Common Public Radio Interface, CPRI). [0003] The current CPRI signal has defined a series of rates, including CPRI options 1 to 8 (from 614.4Mbit / s to 10137.6Mbit / s, a total of eight rates), 25Gbps and 100Gbps rate definitions are already in the making. How to ...

Claims

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Application Information

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IPC IPC(8): H04L1/00
CPCH04L1/0015H04W28/12
Inventor 向俊凌李兴文
Owner 杭州维渊网络科技有限公司
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