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Receiver design for implementing virtual upstream channels in broadband communication systems

  • US 7,164,697 B1
  • Filed: 10/25/2001
  • Issued: 01/16/2007
  • Est. Priority Date: 08/21/2001
  • Status: Active Grant
First Claim
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1. A method of implementing virtual upstream channels in a broadband communications system, comprising:

  • receiving a set of MAP messages, each received MAP message corresponding to each virtual upstream channel of a set of virtual upstream channels carried on a physical upstream frequency, each MAP message including a sequence of information elements which comprise an upstream channel descriptor, the information elements being indexed by time offsets;

    initiating a resolution when two or more of the information elements are indexed by a same time offset;

    selectively combining the information elements of the set of MAP messages to form a receiver MAP message; and

    sending said receiver MAP message to an upstream receiver tuned to the physical upstream frequency carrying said virtual upstream channels.

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