Mobile communication base station system and its backpu protecting method
A mobile communication base station and system backup technology, applied in the field of mobile communication base station system and its backup protection, can solve the problems affecting the reliability of baseband and radio frequency transmission, communication interruption, no backup protection scheme, etc.
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[0055] 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.
[0056] Based on the CPRI specification, the present invention adopts a single-fiber ring network to form a network for a baseband control unit and a radio frequency unit of a mobile communication base station system. The two channels of IQ data and O&M signaling between the baseband and radio frequency are simultaneously carried on the common physical link according to the CPRI protocol, and are multiplexed through different sub-channels. The downlink data blocks are sent simultaneously through the bidirectional optical channel, and the downlink data is downloaded at the node of each radio frequency unit, and the uplink data blocks are filled in the original position, and sent back to the baseband control unit, thereby realizing backup protection.
[0057] Accordi...
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