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System and method for multiplexing PDH and packet data

  • US 7,782,812 B2
  • Filed: 01/11/2005
  • Issued: 08/24/2010
  • Est. Priority Date: 01/11/2005
  • Status: Active Grant
First Claim
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1. A method of transmitting data by a communication system comprising steps of:

  • receiving first type payload data and second type payload data, the first type payload data including two data streams corresponding to different clocks;

    synchronizing, with a synchronizer, the received first type payload data thereby generating a synchronized data rate;

    assigning the synchronized first type payload data in bit positions of a frame;

    distributing the second type payload data in unassigned bit positions of the frame as a function of the synchronized data rate; and

    transmitting the frame wherein the frame includes plural sub-frames with plural blocks and sub-blocks, each sub-block including a synchronized first type payload data bit position or a second type payload data bit position and each block having at least one overhead bit position;

    inserting a frame alignment word in bit positions of a first block of the plural blocks and sub-blocks of the first sub-frame; and

    distributing synchronized first type payload data bits or second type payload data bits in unused overhead bit positions of other blocks.

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