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Distributed Antenna Network for Gigabit Wireless Access

By Fumiyuki Adachi, Wei Peng, Tatsunori Obara, Tetsuya Yamamoto, Ryusuke Matsukawa and Masayuki Nakada


Abstract — For gigabit wireless data services, there are three important technical issues to be addressed: limited bandwidth, severe frequency-selective fading, and limited transmit power. A distributed antenna network (DAN) is a promising solution to the above three technical issues. In this paper, recent advance in gigabit DAN is presented. In DAN, each mobile user is served by using multiple distributed antennas close to it. Particular attention is paid to frequency-domain multi-input/multi-output (MIMO) diversity, relay, beamforming, and multiplexing jointly used with frequency-domain equalization (FDE) to significantly improve the signal transmission quality over a service area. I

Year: 2014
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