Patent ID: 6975666
Filing Date: 2005-12-13
Classification: H04B

Abstract:
1. A receiver suitable for a base station of a CDMA communications system comprising at least one base station ( 11 ) having a transmitter and a said receiver and a multiplicity (U) of user stations ( 10 1 , . . . , 10 U ) including a plurality (U′) of user stations served by said at least one base station, each user station having a transmitter and a receiver for communicating with said at least one base station via a corresponding one of a plurality of channels ( 14 1 , . . . , 14 U ), the base station receiver for receiving a signal (X(t)) comprising components corresponding to spread signals transmitted by the transmitters of the plurality of user stations, each of said spread signals comprising a series of symbols spread using a spreading code unique to the corresponding user station, said base station receiver comprising: a plurality (U′) of receiver modules ( preprocessing means ( means ( wherein said receiver further comprises means (