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Mobile-link system for a radio communication system wherein diversity combining is performed only for edge/boundary zone signals and not for central zone signals

  • US 5,722,049 A
  • Filed: 12/05/1995
  • Issued: 02/24/1998
  • Est. Priority Date: 12/05/1995
  • Status: Expired due to Term
First Claim
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1. A mobile-link system for a radio communication system comprising:

  • a) a first mobile-link assembly having a first antenna coupled to a first receiver for receiving mobile uplink signals including central uplink signals transmitted from mobile stations located in a central zone of a coverage area and edge uplink signals transmitted from mobile stations located in an edge zone of said coverage area where said edge zone borders said central zone, and said receiver outputting central uplink signals and edge uplink signals;

    b) a second mobile-link assembly having a second antenna coupled to a second receiver for receiving mobile uplink signals transmitted from mobile stations in said coverage area, said second antenna and second receiver outputting edge uplink signals transmitted by mobile stations located in said edge zone and not outputting central uplink signals transmitted by mobile stations located in said central zone, and said second mobile-link assembly for transmitting mobile downlink signals to at least said central and edge zones of said coverage area;

    c) a combiner for diversity combining said edge uplink signals outputted by both said first receiver and said second receiver so as to produce diversity resultant signals corresponding to edge uplink signals received at said first and second mobile-link assemblies; and

    d) wherein said first mobile-link assembly, second mobile-link assembly, and combiner predeterminedly provide diversity reception for mobile stations in said edge zone and not provide diversity reception for mobile stations in said central zone.

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