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A method for performing topology scanning, a base station, and bbu and rru

A topology and base station technology, applied in the field of communication, can solve problems such as errors, interconnection scenarios that have not yet had topology scanning, etc.

Active Publication Date: 2017-08-29
SHENZHEN SAMSUNG COMM TECH RES +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The technical problem to be solved in the embodiments of the present invention is to provide a method for performing topology scanning, a base station, and BBU and RRU, which can solve the problem in the prior art that there is no topology scanning in multiple BBU-RRU interconnection scenarios, and avoid manual configuration. caused the error

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  • A method for performing topology scanning, a base station, and bbu and rru
  • A method for performing topology scanning, a base station, and bbu and rru
  • A method for performing topology scanning, a base station, and bbu and rru

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Embodiment Construction

[0065] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0066] In order to realize that the BBU can automatically obtain the link scanning information of each CPRI link, it is necessary for the BBU and the RRU to cooperate to complete the topology scanning function. The link scanning information of multiple BBU-RRU interconnection scenarios cannot be obtained with the port number (Port ID), and must be implemented through a newly added method, mainly adding the BBU identification number (BBU_ID) for each BBU to uniquely identify the BBU, adding The mode identification number (ModeID) indicates the wireless mode of the BBU, and is used to indicate the wi...

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Abstract

The embodiment of the invention discloses a topology scanning method. The topology scanning method comprises the steps that BBU ports send link scanning information and an initial RRU series; the BBU ports receive link scanning information fed back by RRUs connected with the BBU ports and a final RRU series; the networking type of the RRUs connected with the BBU ports is determined according to the link scanning information sent by the BBU ports, the link scanning information, received by the BBU ports, of CPRI links, and the final RRU series. The topology scanning method solves the problem that no topology scanning exists in a scene with multiple BBUs and the multiple RRUs interconnected in the prior art, and avoids errors easily caused by manual configuration.

Description

technical field [0001] The present invention relates to the field of communication technology, in particular to a method for performing topology scanning, a base station, a corresponding baseband module BBU and a remote radio module RRU. Background technique [0002] The CPRI (The Common Public Radio Interface) standard interface is an interface specification for the interconnection between distributed modules REC (Radio Equipment Control, radio frequency equipment controller) and RE (Radio Equipment, radio frequency equipment). The current distributed base station is divided into two parts: BBU (Base Band Unit, baseband module) and RRU (Remote Radio Unit, radio remote module). Both BBU and RRU follow the CPRI interface standard. The BBU corresponds to the REC in the CPRI protocol, and the RRU corresponds to the RE in the CPRI protocol. The current baseband module BBU and remote radio module RRU can form a chain, star or ring topology. [0003] In order to realize that the ...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W24/00
Inventor 扈晓
Owner SHENZHEN SAMSUNG COMM TECH RES