Title :
An Improved Relay Selection Scheme in Half-Duplex Relay Channels
Author :
Yang, Yuli ; Chen, Yu
Author_Institution :
Alcatel-Lucent Shanghai Bell, Shanghai, China
Abstract :
In this paper, a novel relay selection scheme is proposed for the wireless network with multiple half-duplex relay nodes, which improves relay throughput by selecting more than one relay nodes in each relay-help transmission and using the selection of active relay nodes to map a portion of information to be relayed. Compared with the existing relay selection scheme with only one active relay node in each relay-help transmission, the proposed scheme allows extra relayed information to be forwarded besides the basic relayed information transmitted traditionally. And, the efficiency of the proposed scheme is shown by the analysis of capacity behaviors.
Keywords :
AWGN channels; radio networks; AWGN channels; active relay nodes; half-duplex relay channels; multiple half-duplex relay nodes; relay selection scheme; relay throughput; wireless network; Broadcasting; Channel state information; Electronic mail; Helium; Performance analysis; Relays; Throughput; Transmitting antennas; Upper bound; Wireless networks;
Conference_Titel :
Vehicular Technology Conference Fall (VTC 2009-Fall), 2009 IEEE 70th
Conference_Location :
Anchorage, AK
Print_ISBN :
978-1-4244-2514-3
Electronic_ISBN :
1090-3038
DOI :
10.1109/VETECF.2009.5379093
