Pilot reuse sequences for TDD in downlink multi-cells to improve data rates

摘要: The exponential growth in demand for high data rate transmission to users fifth generation wireless networks, focus there has been a particular research on new techniques that achievable by suppressing interference between neighboring cells. In this paper, we propose system performance can be improved using perfect channel estimation and reducing effective with pilot reuse mitigate strong contamination based the knowledge of large-scale fading coefficients. We derived lower bounds downlink analyzing zero-forcing precoding method derive signal-to-interference noise ratio From simulation results, large sequences provided better channel. When number is large, cells suppressed orthogonal sequences.