CDMA Communication on Fading Channels
Kamil Sh. Zigangirov · 2004
Fading is caused by interference between two or more versions of the transmitted signal which arrive at the receiver at different times. In mobile radio channels fading can cause significant degradation in the performance of a CDMA system. The method commonly employed to overcome the degradation in performance due to fading is the use of diversity. For spread spectrum CDMA, a modern implementation of multipath diversity involves the use of a Rake receiver.