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Method and apparatus for multiple access in a communication system

  • US 6,847,626 B1
  • Filed: 09/28/1999
  • Issued: 01/25/2005
  • Est. Priority Date: 07/21/1998
  • Status: Expired due to Fees
First Claim
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1. In a communication system in which a plurality of remote units transmit data to a hub station, a method of communicating comprising:

  • transmitting a block of data from at least one of said remote units to the hub station over a contention-type access communication resource;

    transmitting a notification message from said at least one remote unit to the hub station over a first non-contention access channel to notify the hub station of transmitting said block of data over said contention-type access communication resource; and

    in response to receiving said notification message, determining, in said hub station, whether transmitting said block of data over said contention-type communication resource was successful, and transmitting a response message from the hub station to the remote unit to command the remote unit to transmit said block of data over a resource within a second non-contention access communication resource if transmitting said block of data over said contention-type access communication resource was unsuccessful, whereby said remote unit becomes configured to communicate with said hub station using a non-contention communication resource while other remote units of the system remain configured to communicate with the hub station using a contention communication resource.

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