BER analysis of Nakagami-m channels with different modulation techniques and transmit diversity

In the present wireless scenario, transmit diversity has become one of the key contributing technologies. Analytical estimations of bit error rate (BER) can be obtained with space time transmit diversity (STTD). The desired user´s BER performance improves as fading of interfering signal decreases. Nakagami-m fading is becoming more prevalent in performance analysis and other studies related to mobile radio communication. In this paper, BER is determined for identically independently distributed (i.i.d) Nakagami-m fading channels with different modulation techniques i.e. BPSK, QPSK and M-QAM. This transmitter diversity technique is suitable to enhance the capacity and error performance of wireless radio system. The range of signal-to-noise ratio (SNR) is limited from 0 to 30 dB. These results can be used for efficient wireless system design for next generation mobile services.