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Method and system for synchronizing time-division-duplexed transceivers

  • US 6,134,283 A
  • Filed: 11/18/1997
  • Issued: 10/17/2000
  • Est. Priority Date: 11/18/1997
  • Status: Expired due to Term
First Claim
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1. A method for adjusting an alignment for a first transceiver to receive frames of data transmitted from a second transceiver over a transmission medium to the first transceiver, the first transceiver and the second transceiver being associated with a data transmission system providing two-way data communication using time division duplexing, said method comprising the acts of:

  • measuring an energy amount for each of a plurality of consecutive frames of received data;

    detecting an edge in the plurality of consecutive frames of the received data based on the measured energy amounts, the edge detected being a burst edge, said detecting including at least the acts of;

    computing successive energy differences in the plurality of the measured energy amounts; and

    identifying a largest one of the successive energy differences, the largest one of the successive energy difference corresponding to the burst edge; and

    determining an alignment error estimate using the edge detected in the plurality of consecutive frames.

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