project using qpsk in cdma environment

communication system is expected to increase the service, the quality improvement and also the capacity, using spread spectrum communication system is one of the method to fulfill that demand. This quality and capacity factor will depend on the numb

Direct sequence spread spectrum (DSSS) communication systems has been widely used in these years for its advantage of wide spectrum, low working Signal-to-Noise ratio (SNR), anti-interference, anti-multipath effect and capability of LPI and LPD.

BER PERFORMANCE EVALUATION OF BPSK, QPSK AND QAM-16 FOR DS-CDMA SYSTEM WITH MRC AND EGC DIVERSITY TECHNIQUES