Method and apparatus for reducing effects of multiple access interference in a radio receiver in a code division multiple access communication system
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United States of America Patent
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-
Aug 4, 1992
Grant Date -
N/A
app pub date -
Dec 31, 1990
filing date -
Dec 31, 1990
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A CDMA system embodying apparatus and methods operates to reduce the effects of the multiple access interference in order to increase the channel capacity and achieve greater efficiency in the use of a given frequency bandwidth. Reception of CDMA radio transmissions is in multiple stages is which the multiple access interference is estimated after the first stage. This estimated multiple access interference is subtracted from the original received input, and the detection of the intended signal is performed on the signal having the reduced multiple access interference.
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