Digital communication system
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United States of America Patent
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-
Feb 16, 1988
Grant Date -
N/A
app pub date -
Aug 22, 1985
filing date -
Jan 22, 1985
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The present invention provides a communication system which employs a signal whose carrier phase is shifted by a constant amount .DELTA..theta. per time slot in correspondence to each symbol (1 or 0) transmitted, and the phase shift is performed by .DELTA..theta./2 (or -.DELTA..theta./2) in the first 1/2 time slot and further by .DELTA..theta./2 (or -.DELTA..theta./2) in the second 1/2 time slot thereby to improve the bit error rate in multipath propagation.
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