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Enhanced beacon signaling method and apparatus

  • US 7,379,446 B2
  • Filed: 10/14/2004
  • Issued: 05/27/2008
  • Est. Priority Date: 10/14/2004
  • Status: Expired due to Fees
First Claim
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1. A method of operating a base station transmitter in a frequency division multiplexed communications system, the method comprising:

  • transmitting first signals into a first region using a set of N tones to communicate information over a first period of time, said first period of time being at least two seconds long, where N is larger than 10; and

    transmitting during a second period of time a second signal including a set of X tones into said first region, where X is less than 5, and where less than 80% of a maximum average total base station transmission power used by said base station transmitter to transmit signals into the first region during any 1 second period during said first period of time is allocated to said set of X tones and each one of said X tones to which power is allocated receives at least 20 times the per tone average power allocated to tones during said any one second period.

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