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Battery operated radio receivers having power save by reducing active reception time

  • US 6,606,490 B1
  • Filed: 08/10/1999
  • Issued: 08/12/2003
  • Est. Priority Date: 08/10/1999
  • Status: Expired due to Term
First Claim
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1. A method comprising:

  • (a) activating a receive path at a predetermined time instant in a frame before the start of a data-detection time interval of said frame, thus beginning a pre-conditioning period;

    (b) performing during said pre-conditioning period pre-conditioning functions with respect to a receiver;

    (c) detecting during said pre-conditioning period predetermined characteristics of a received signal, said predetermined characteristics affected by one or more of said pre-conditioning functions;

    (d) deactivating said receive path at a time instant later than said predetermined time instant until the start of the data-detection time interval, thus terminating said pre-conditioning period prior to the start of said data-detection time interval, and then reactivating said receive path for the data-detection time interval, in the event that said predetermined characteristics are within corresponding thresholds; and

    (e) in the event that said predetermined characteristics are outside said corresponding thresholds repeating stems (b) and (c) until stet) (d) can be performed.

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