285 search results - page 25 / 57 » Cooperative Relay Broadcast Channels |
99
Voted
TWC
2008
14 years 9 months ago
2008
Cooperative diversity systems rely on using relay nodes to relay copies of transmitted information to the destination such that each copy experiences different channel fading, henc...
VTC
2008
IEEE
15 years 4 months ago
2008
IEEE
— This work presents a new amplify-and-forward (AF) cooperative multiple input multiple output (MIMO) transmission scheme based on phase sweep transmit diversity. In a single hop...
CISS
2008
IEEE
15 years 4 months ago
2008
IEEE
Abstract—Relay cooperation has been recognized as an important mechanism to enhance connectivity and throughput in multi-hop wireless networks, especially under varying channel c...
TSP
2010
14 years 4 months ago
2010
Physical (PHY) layer security approaches for wireless communications can prevent eavesdropping without upper layer data encryption. However, they are hampered by wireless channel c...
ICC
2007
IEEE
15 years 4 months ago
2007
IEEE
— This paper considers a fading relay channel where the total transmit power used is constrained to be equal to that of the standard single-hop channel. The relay channel used op...