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COMMUNICATION SYSTEM, MAIN UNIT, RADIO ACCESS UNIT AND COMMUNICATION METHOD

  • US 20130004176A1
  • Filed: 04/12/2011
  • Published: 01/03/2013
  • Est. Priority Date: 04/16/2010
  • Status: Abandoned Application
First Claim
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1. A communication system comprising a radio base station apparatus, a main unit connected to the radio base station apparatus and a network, and a plurality of radio access units connected to the main unit, wherein:

  • the radio base station apparatus is configured to output a downlink signal of a first communication system to the main unit;

    the main unit is configured to output the downlink signal of the first communication system received from the radio base station apparatus and a downlink signal of a second communication system received from the network to each of the plurality of radio access units; and

    the plurality of radio access units are configured to define a single cell of the first communication system;

    each of the plurality of radio access units is configured to define a multiple cell of the second communication system in the single cell, to transmit the downlink signal of the first communication system received from the main unit to a terminal that uses the first communication system in the single cell, to performs wired protocol signal processing and then wireless protocol signal processing on the downlink signal of the second communication system received from the main unit to generate a resultant signal, and to transmit the resultant signal to a terminal that uses the second communication system in the multiple cell.

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