Interference suppression in CDMA systems
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United States of America Patent
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Dec 13, 2005
Grant Date -
May 2, 2002
app pub date -
Dec 22, 2000
filing date -
Dec 23, 1999
priority date (Note) -
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Abstract
A receiver of the present invention addresses the need for improved interference suppression without the number of transmissions by the power control system being increased, and, to this end, provides a receiver for a CDMA communications system which employs interference subspace rejection to tune a substantially null response to interference components from selected signals of other user stations. Preferably, the receiver also tunes a substantially unity response for a propagation channel via which a corresponding user's signal was received. The receiver may be used in a base station or in a user/mobile station.
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