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Transmit diversity generally requires more than one antenna at the transmitter. However, many wireless devices are limited by size or hardware complexity to one antenna. Recently, a new class of methods called cooperative communication has been proposed that enables single antenna mobiles in a multiuser environment to share their antennas and generate a virtual multiple-antenna transmitter that allows...
In this paper, we consider a wireless network consisting of a BS (Base Station) and MSs (Mobile Stations) where the BS employs the one-bit feedback quantized proportional fair scheduler for downlink transmission. We then examine the effect of the threshold value in the scheduler on the throughput and that on the information theoretic capacity. Numerical results exhibit that the characteristics of...
Recently, there has been an upsurge of interest in multi-hop relay in both academia and industry. By breaking a long-distance low-quality link into two or more high-quality segments, multi-hop relay is introduced to enable traffic/signaling forwarding between base station and mobile user with the benefits of throughput enhancement and coverage extension. In this paper, we propose a novel retransmission...
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