PERFORMANCE ANALYSIS OF DOWNLINK POWER CONTROL IN WCDMA SYSTEM
Masudur Rahman, Tarek Hassan-Al-Mahmud, A. R. Mahmud · 2012
WCDMA (Wideband Code Division Multiple Access) plays the best competitive role in the present world. The demand for high speed mobile wireless communication is rapidly growing. WCDMA is a promising technique for achieving the high data capacity and spectral efficiency requirements for wireless communication system of the near future. Power control is important aspects of WCDMA system. The main sources of errors in the received powers arise from inaccurate SIR estimation, signaling errors and delays in the power control loop. The performance is analyzed by plotting the graphs of BER against the signal to noise ratio SNR. This project is also concerned with how well WCDMA performs when signal is transmitted over an Additive White Gaussian Noise (AWGN) channel or both AWGN channel and Rayleigh fading channels. The result of the simulation is shown by plotting the Bit Error Rate (BER) versus Signal to Noise Ratio (SNR), which provides the estimation about the system performance.