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TCOM
2010
117views more  TCOM 2010»
14 years 9 months ago
Optimal Coding Strategies for Bidirectional Broadcast Channels Under Channel Uncertainty
Bidirectional relaying is a promising approach to improve the performance in wireless networks such as sensor, ad-hoc, and even cellular systems. Bidirectional relaying applies to...
Rafael F. Wyrembelski, Igor Bjelakovic, Tobias J. ...
CORR
2010
Springer
133views Education» more  CORR 2010»
14 years 9 months ago
Robust Beamforming for Security in MIMO Wiretap Channels with Imperfect CSI
—In this paper, we investigate methods for reducing the likelihood that a message transmitted between two multiantenna nodes is intercepted by an undetected eavesdropper. In part...
Amitav Mukherjee, A. Lee Swindlehurst
VTC
2008
IEEE
15 years 5 months ago
BER Minimization in Relay-Assisted OFDM Systems by Subcarrier Permutation
—We consider relay-assisted communications from a source to a destination based on OFDM. The relay performs subcarrier permutation by exploiting full channel state information (C...
Chin Keong Ho, Ashish Pandharipande
SIGMETRICS
2004
ACM
15 years 4 months ago
Multicast protocols for scalable on-demand download
Previous scalable protocols for downloading large, popular files from a single server include batching and cyclic multicast. With batching, clients wait to begin receiving a reque...
Niklas Carlsson, Derek L. Eager, Mary K. Vernon
GLOBECOM
2008
IEEE
15 years 5 months ago
Friendly P2P: Application-Level Congestion Control for Peer-to-Peer Applications
Abstract—Peer-to-Peer (P2P) file sharing applications use multiple TCP connections between peers to transfer data. The aggressiveness and robustness of P2P technology remarkably...
YaNing Liu, Hongbo Wang, Yu Lin, Shiduan Cheng, Gw...