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System and method for transporting information over a communication channel

  • US 6,512,773 B1
  • Filed: 12/30/1998
  • Issued: 01/28/2003
  • Est. Priority Date: 12/30/1997
  • Status: Expired due to Fees
First Claim
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1. An improved system for communicating over a digital subscriber line, comprising:

  • means for forming a data frame, said data frame comprising;

    a frame header;

    a frame trailer;

    a first frame delimiter that indicates the start of said data frame;

    a second frame delimiter that indicates the end of said data frame, said first and second frame delimiters encompassing a plurality of fields; and

    a payload comprising a four-octet payload header and user data, said four-octet payload header comprising the first four octets of a five octet Asynchronous Transfer Mode (ATM) header, said frame header comprising a field that indicates that said payload includes a four-octet payload header followed by user data; and

    means for transmitting said data frame over said digital subscriber line.

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