Apparatus and method for digitally processing signals in a radio frequency communication system
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United States of America Patent
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Apr 11, 1995
Grant Date -
N/A
app pub date -
Dec 20, 1993
filing date -
Dec 20, 1993
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A plurality of input signals are processed (75) using a Hadamard transform (52) to produce a combined Walsh covered parallel sequence which is sampled in time. The time samples are commutated (76) by a switch (53) or multiplexer to form a Walsh covered serial sequence. The Walsh covered serial sequence is then quadrature phase shift keyed (77) and transmitted (79).
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