Matched filter for scalable spread spectrum communications systems
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United States of America Patent
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Oct 9, 2007
Grant Date -
Nov 2, 2006
app pub date -
Jun 28, 2006
filing date -
Sep 24, 2003
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A transmitter for a spread spectrum communications system may include a data source, a first multiplier/mixer spreading data from said data source with a first pseudo noise source, a second multiplier/mixer spreading data from said first mixer with a second pseudo noise source, and an RF transmitter. A receiver for a spread spectrum communications system may include an RF receiver, a first matched filter receiving data from said RF receiver, a plurality of phase/frequency shifters receiving a signal from said first matched filter, a plurality of second matched filters receiving data from said plurality of phase/frequency shifters, and an equalizer/decoder receiving signals from said plurality of second matched filters.
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