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Code-division, multiple-access base station having transmit diversity

  • US 6,539,209 B1
  • Filed: 05/30/2000
  • Issued: 03/25/2003
  • Est. Priority Date: 05/30/2000
  • Status: Expired due to Term
First Claim
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1. A base station comprising:

  • a plurality of primary channel boards for modulating and encoding a first digital signal type;

    a plurality of secondary channel boards for modulating and encoding a second digital signal type;

    a first plurality of transmit radio modules for accepting the first digital signal type and the second digital signal type and providing a composite electromagnetic output signal, each transmit radio module associated with a different sector; and

    a second plurality of transmit radio modules for accepting the second digital signal type from secondary channel boards and for providing a diverse electromagnetic output signal for complementing the composite electromagnetic output signal.

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