Method and apparatus for indentifying multi-stage remote-wireless apparatus

Abstract

The invention relates to a multistage remote equipment (RE) marking method, comprising the steps of: according to the maximum possible stage number N of RE, setting N+1 variables, where N variables express RE IDn, where n=0,1, ..., N-1, and the rest expresses Index; REC (remote equipment controller) initiates initial configuration, and here sets the Index=0 and sends N RE IDs and Index to RE; per stage RE receives these N+1 variables and judges the Index value: if Index=n, where n=0,1...N-1, selecting its ID as IDn and simultaneously adding 1 to Index, and then sending the N RE IDs and the new Index to the next stage RE; repeating step 3 until all RE obtains IDs. And it also relates to a multistage RE marking device, where each RE ID can be set and the number of IDs is not limited, completely flexible.

Description

technical field [0001] The invention relates to remote wireless equipment in a wireless communication system, in particular to a method for identifying multi-level remote wireless equipment. Background technique [0002] In recent years, the development of communication system architecture has gradually formed such a trend: the radio frequency unit and the baseband processing unit are separated, and the two are connected through long-distance transmission means (such as optical fiber), and then the radio frequency unit is placed in various places where needed . This architecture improves the flexibility of networking on the one hand, and reduces the maintenance cost of the network on the other hand. Therefore, this architecture is more and more recognized by users, and there are more and more application occasions. In 2003, this architecture was proposed as part of the CPRI (Common Public Radio Interface) interface standard, and the radio frequency unit was defined as a ra...

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Problems solved by technology

[0003] When using this architecture to build a network, it is inevitable to use multiple REs to connect to each other according to a certain topology, so there is a problem: how does the signaling sent from the REC know the destination RE, and the signaling is sent from the RE to the REC How does the REC distinguish from which RE the signaling is sent?

[0005] The former method above is not flexible enough, and the dial switch is a mechanical action, which is easy to damage and has poor reliability; the latter method is too complicated

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