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RF repeater arrangement with improved frequency reuse for wireless telephones

  • US 5,781,859 A
  • Filed: 09/26/1996
  • Issued: 07/14/1998
  • Est. Priority Date: 01/03/1992
  • Status: Expired due to Term
First Claim
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1. An RF repeater for transmitting a transmit signal within a wireless telephone system incident to receiving a receive signal from a geographically proximate mobile handset, the RF repeater comprising:

  • a transmit section for broadcasting the transmit signal as a radio signal from the RF repeater to the mobile handset;

    a receive section for receiving at the RF repeater the receive signal broadcast as a radio signal by the mobile handset;

    a signal energy detector associated with the receive section and responsive to energy levels of the received signal below a predetermined threshold level to provide an inhibit output; and

    ,a control device associated with the transmit section and responsive to the inhibit output for inhibiting the broadcast of the transmit signal by the transmit section,wherein the control device comprises a synchronous circuit for performing a logical and operation on the inhibit output and a timing signal to inhibit the broadcast of the transmit signal by the transmit section.

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