Sciweavers

563 search results - page 49 / 113
» Optimal Transmission for Dying Channels
Sort
View
MSWIM
2009
ACM
15 years 10 months ago
Modeling and performance evaluation of transmission control protocol over cognitive radio ad hoc networks
Cognitive Radio (CR) technology constitutes a new paradigm to provide additional spectrum utilization opportunities in wireless ad hoc networks. Recent research in this field has ...
Marco Di Felice, Kaushik Roy Chowdhury, Luciano Bo...
TWC
2011
245views more  TWC 2011»
15 years 1 months ago
Cooperative Filter-and-Forward Beamforming for Frequency-Selective Channels with Equalization
Most of the existing literature on cooperative relay networks has focused on frequency– nonselective channels or frequency–selective channels with multi–carrier transmission...
Yang-wen Liang, Aïssa Ikhlef, Wolfgang H. Ger...
CORR
2007
Springer
70views Education» more  CORR 2007»
15 years 6 months ago
Secure Broadcasting
Abstract—We study a problem of broadcasting confidential messages to multiple receivers under an information-theoretic secrecy constraint. Two scenarios are considered: 1) all r...
Ashish Khisti, Aslan Tchamkerten, Gregory W. Worne...
TIP
2002
93views more  TIP 2002»
15 years 5 months ago
Joint source-channel coding for motion-compensated DCT-based SNR scalable video
In this paper, we develop an approach toward joint source-channel coding for motion-compensated DCT-based scalable video coding and transmission. A framework for the optimal select...
Lisimachos P. Kondi, Faisal Ishtiaq, Aggelos K. Ka...
SECON
2007
IEEE
16 years 12 days ago
OPERA: An Optimal Progressive Error Recovery Algorithm for Wireless Sensor Networks
—Wireless Sensor Networks (WSNs) require robustness against channel induced errors while retransmission based schemes prove too costly for energy constrained sensor nodes. Channe...
Saad B. Qaisar, Hayder Radha