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» Adaptive relay selection in cooperative wireless networks
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TSP
2010
14 years 4 months ago
Mitigating channel estimation error with timing synchronization tradeoff in cooperative communications
Channel estimation error and co-channel interference (CCI) problems are among the main causes of performance degradation in wireless networks. In this paper, we investigate the im...
Ahmed S. Ibrahim, K. J. Ray Liu
ICASSP
2011
IEEE
14 years 1 months ago
Network-MIMO backhauling for QOS-constrained relay transmission
1 A relay station (RS)-based cellular system deployment is considered, where multiple base stations (BS) cooperate in the BSRS in-band transmission for the downlink. With the joint...
Josep Vidal, Adrian Agustin, Sandra Lagen, Eduard ...
ISCC
2005
IEEE
146views Communications» more  ISCC 2005»
15 years 3 months ago
Preserving Area Coverage in Wireless Sensor Networks by Using Surface Coverage Relay Dominating Sets
— Sensor networks consist of autonomous nodes with limited battery and of base stations with theoritical infinite energy. Nodes can be sleep to extend the lifespan of the networ...
Jean Carle, Antoine Gallais, David Simplot-Ryl
ICASSP
2011
IEEE
14 years 1 months ago
Joint source-channel-network coding for bidirectional wireless relays
The application of joint source-channel coding, based on fountain codes, in the broadcast timeslot of wireless two-way network coding is investigated in this paper. A computationa...
Francois P. S. Luus, Bodhaswar T. Maharaj
WCNC
2008
IEEE
15 years 4 months ago
Asymptotic Distortion Performance of Source-Channel Diversity Schemes over Relay Channels
— Diversity techniques are an effective answer to the challenges presented by fading channels. This paper focuses on studying the performance of systems with diversity of three f...
Karim G. Seddik, Andres Kwasinski, K. J. Ray Liu