Base station having a set of phased array antennas
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United States of America Patent
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-
May 13, 2003
Grant Date -
Jun 27, 2002
app pub date -
Feb 28, 2002
filing date -
Nov 22, 1993
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A spread spectrum base station has a set of phased array antennas for receiving a spread spectrum signal containing a plurality of channels. The base station outputs timed version of the received signal. Each timed version is associated with a respective one out of said set of phased array antennas. A plurality of despread signals is produced by despreading each timed version of the received signal using chip code sequences associated with the plurality of channels and combining the despread signals as a combined despread signal. A magnitude of the combined despread signal for obtaining a present a prior magnitude is determined. The present magnitude is compared with the prior magnitude. A delay associated with the timed versions in response to the comparison is adjusted, so antenna beams associated with the set of phased array antennas are steered towards components of the spread spectrum signal with a highest combined magnitude.
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