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Hybrid Contention-Based and Schedule-Based Access to a Communication Link

  • US 20090103558A1
  • Filed: 10/19/2007
  • Published: 04/23/2009
  • Est. Priority Date: 10/19/2007
  • Status: Active Grant
First Claim
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1. A method of managing multiple user access to a communication link comprising:

  • receiving user transmissions on a contention-based channel of the communication link that supports a maximum number of simultaneous user transmissions, wherein each user transmission includes a unique signature sequence;

    detecting contention overloads where more than the maximum number of users simultaneously transmit on the contention-based channel;

    identifying the users involved in a contention overload based on the unique signature sequences received from those users; and

    scheduling retransmissions for one or more of the identified users on a scheduled channel of the communication link.

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