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2011 Third International Conference on Knowledge and Systems Engineering
Optimizing Relay Selection in Distributed MIMO Relay System for Conservation of Transmit Power
Hanoi, Vietnam
October 14-October 17
ISBN: 978-0-7695-4567-7
The research on distributed MIMO relay system has been attracting much attention. By optimizing the position of each relay, the channel capacity of such system is larger than that of original MIMO system. However, the propagation environment between each transceiver is simplified to be the same. In this paper, a decode-and-forward scheme distributed MIMO relay system is examined. The distance between each relay is optimized in propagation environment which is brought close to actuality. For upper bound of channel capacity, the number of relay is optimized whether total antenna element is fixed or not. When the number of relay is assumed to be infinite, the dynamic relay selection method based on the transmission rate is proposed. We represent that with such method the transmit power and relay is saving.
Index Terms:
Distributed relay system, optimizing distance, Optimization antenna element, upper bound of channel capacity, dynamic relay selection
Citation:
Pham Thanh Hiep, Nguyen Huy Hoang, Ryuji Kohno, "Optimizing Relay Selection in Distributed MIMO Relay System for Conservation of Transmit Power," kse, pp.165-170, 2011 Third International Conference on Knowledge and Systems Engineering, 2011
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