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CDMA receiver design aspectsSimona Lohan

simona@cs.tut.

CDMA RECEIVER DESIGN ASPECTS
Simona Lohan, ICE/TUT Outline Basics of spread spectrum communications (DS, FH, TH, hybrids) Fading channel problem Rake receiver concept and the need for channel estimation Baseband receiver components: main emphasis on the channel estimator part Amplitude and phase estimation: structures of the estimator Multipath delay estimation; interpolation based delay estimation Signal processing for positioning applications Challenges for CDMA receiver: transmit power control, soft handover, multiple antennas. Summary and conclusions; references
83080 Receiver Architectures and Signal Processing 1

Simona Lohan

simona@cs.tut.

Basics of spread spectrum communications
Channel capacity [Shannon]: C = W log2 1 + S N

S Increased ca