718 search results - page 15 / 144 » Opportunistic Relaying in Wireless Networks |
GLOBECOM
2007
IEEE
15 years 4 months ago
2007
IEEE
—We consider a distributed wireless network where amplify-and-forward relays assist the communication between multiple source/destination pairs. To provide a global phase referen...
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GLOBECOM
2010
IEEE
14 years 7 months ago
2010
IEEE
Cognitive radio (CR) emerges as a key technology to enhance spectrum efficiency and thus creates opportunistic transmissions over links. Supporting the routing function on top of n...
VTC
2008
IEEE
15 years 4 months ago
2008
IEEE
Abstract: In this paper, we consider a two-way or bidirectional communications system with a relay equipped with multiple antennas. We show that when the downlink channel state inf...
EWSN
2009
Springer
15 years 10 months ago
2009
Springer
The low quality of wireless links leads to perpetual packet losses. While an acknowledgment mechanism is generally used to cope with these losses, multiple retransmissions neverthe...
ICUMT
2009
14 years 7 months ago
2009
Traditional routing strategies for multi-hop wireless networks forward packets by selecting at the sender side the next hop for each packet. Recently, such a paradigm has been call...