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Optimal use of request access TDMA slots for automatic level control

  • US 6,788,950 B1
  • Filed: 07/06/1999
  • Issued: 09/07/2004
  • Est. Priority Date: 07/06/1999
  • Status: Expired due to Term
First Claim
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1. In a point to multipoint communication system, a method for operating a central access point, said method comprising:

  • receiving an access request transmission from a subscriber unit;

    performing a power control sequence to control output power of said subscriber unit in response to said access request transmission, wherein said power control sequence comprises;

    measuring power of said access request transmission;

    formulating power adjustment information based on measured power of said access request transmission; and

    in response to measured power of said access request transmission, sending said power adjustment information to said subscriber unit to control power of a future transmission from said subscriber unit; and

    wherein said access request transmission is included within an OFDM burst that includes access request information from said subscriber unit and another subscriber unit.

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