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TWC
2008
136views more  TWC 2008»
14 years 9 months ago
On Antijamming in General CDMA Systems-Part II: Antijamming Performance of Coded Multicarrier Frequency-Hopping Spread Spectrum
In the first part of the paper, the capacity of a general multiuser code division multiple access (CDMA) jamming channel was analyzed for noncooperative and cooperative users in up...
Reza Nikjah, Norman C. Beaulieu
TWC
2008
151views more  TWC 2008»
14 years 9 months ago
Energy-Efficient Cooperative Relaying over Fading Channels with Simple Relay Selection
We consider a cooperative wireless network where the source broadcasts data to relays, some or all of which cooperatively beamform to forward the data to the destination. The netw...
Ritesh Madan, Neelesh B. Mehta, Andreas F. Molisch...
ICC
2008
IEEE
161views Communications» more  ICC 2008»
15 years 4 months ago
Channel Estimation and Adaptive M-QAM in Cognitive Radio Links
—Cognitive radios have the ability to sense their RF environment and adapt their transmission parameters to perform optimally in any situation. Part of this involves selecting th...
Alkan Soysal, Sennur Ulukus, T. Charles Clancy
CORR
2007
Springer
113views Education» more  CORR 2007»
14 years 9 months ago
On the Outage Capacity of a Practical Decoder Using Channel Estimation Accuracy
— The optimal decoder achieving the outage capacity under imperfect channel estimation is investigated. First, by searching into the family of nearest neighbor decoders, which ca...
Pablo Piantanida, Sajad Sadough, Pierre Duhamel
CORR
2010
Springer
140views Education» more  CORR 2010»
14 years 8 months ago
On Scaling Laws of Diversity Schemes in Decentralized Estimation
This paper is concerned with decentralized estimation of a Gaussian source using multiple sensors. We consider a diversity scheme where only the sensor with the best channel sends...
Alex S. Leong, Subhrakanti Dey