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Due to spectrum shortage in the conventional microwave bands, millimeter wave (mmWave) bands have been attracting great attention as an additional spectrum band for 5G cellular networks. In this paper, we show the feasibility of using a mmWave-based small cell with directional antennas. We investigate the effect of the number of antennas, nant, on the capacity and coverage probability, and propose...
This letter deals with the issue of inefficient use of radio resources due to frequent relay switchings in overhead constrained cooperative relay networks. A threshold-based relay switching protocol is proposed for enhanced achievable capacity and efficient resource management while preventing frequent switchings. We derive the achievable capacity under fading channels based on switching probability...
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