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The unprecedented growth of wireless communication resulted in large number of personal digital devices, which created rapid increment in traffic due to their demand for data and content access. Present sub-6 GHz spectrum with various techniques is unable to fulfill future requirement so it is inevitable to go for millimeter wave spectrum which offers a large bandwidth. Time-reversal technique promises for low complexity wideband system with high throughput. In this paper, we investigated the performance of time-reversal division multiple access scheme in terms of average achievable sum rate and SINR in a multiple-input-single-output environment under Rician fading environment considering the effect of specular power. We present a detailed comparison of system performance measuring parameters such as effective SINR and achievable sum rate with various value of K and various system …