Adaptive Gain Aided Multi Antenna Set-ups for Stochastic Wireless Channels

One of the options to mitigate fading effects in mobile communication is adaptive transmitter gain. This paper proposes a simple technique to eliminate the effects of fading in different multi antenna set-ups by varying the transmitter gain. The multi antenna set-ups considered in this paper include Single input-single output (SISO), Single input-multi output (SIMO), Multi input-single output (MISO), Multi input-multi output (MIMO) systems. For all these set-ups, the data streams after doing BPSK modulation is transmitted together with the transmitter gain through a frequency-selective Rayleigh fading channel. The Channel State Information (CSI) is unknown to the receiver and so, before doing equalization the channel characteristics are determined using the Least Mean Square (LMS) algorithm. The average Bit Error Rate (BER)