Delay-Sum Antenna Array Reception for Transmitted-Reference Impulse Radio (TR-IR) Systems

For transmitted-reference impulse radio (TR-IR), the conventional antenna array reception will provide array gain and thus improve system bit-error-rate (BER) performance. In this paper, we propose a delay-sum antenna array autocorrelation receiver for the TR-IR systems. Simulation results show that by exploiting spatial correlations between antenna array elements, an extra system performance improvement of 1.3 dB and 2.1 dB can be achieved by the proposed receiver at BER=10^-5 for the antenna array with 2 and 4 elements, respectively, in the proposed ultra-wideband channel model.