SYSTEM FOR VARIABLE FORWARD ERROR CORRECTION IN A MULTIPOINT TO POINT ORTHOGONAL FREQUENCY DIVISION MULTIPLEXING SYSTEM
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United States of America Patent
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app pub date -
May 10, 2007
filing date -
May 20, 1996
priority date (Note) -
Abandoned
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Abstract
Systems for variable forward error correction in a multipoint to point orthogonal frequency division multiplexing system are provided. In one embodiment, bidirectional communication system comprises: a first remote unit for communicating with a host unit using orthogonal frequency division multiplexing, the host unit communicatively coupled to a plurality of remote units in a multipoint-to-point configuration; wherein the first remote unit is configured to transmit at least one of a plurality of tones, the at least one of a plurality of tones modulated with upstream information using orthogonal frequency division multiplexing; and wherein the first remote unit selects an error correction degree for a first tone of the at least one of a plurality of tones based on error correction information received from the host unit, and encodes upstream information transmitted on the first tone based on the error correction degree.
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