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» Exact pairwise error probability of space-time codes
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INFOCOM
2010
IEEE
13 years 5 months ago
When Watchdog Meets Coding
Abstract—In this paper, we study the problem of misbehavior detection in wireless networks . A commonly adopted approach is to utilize the broadcast nature of the wireless medium...
Guanfeng Liang, Rachit Agarwal, Nitin Vaidya
TIT
2010
110views Education» more  TIT 2010»
13 years 1 months ago
Error rates of the maximum-likelihood detector for arbitrary constellations: convex/concave behavior and applications
Motivated by a recent surge of interest in convex optimization techniques, convexity/concavity properties of error rates of the maximum likelihood detector operating in the AWGN ch...
Sergey Loyka, Victoria Kostina, François Ga...
VTC
2008
IEEE
218views Communications» more  VTC 2008»
14 years 1 months ago
Performance Analysis of a System using Coordinate Interleaving and Constellation Rotation in Rayleigh Fading Channels
Abstract— Diversity can play an important role in the performance improvement of a communication system in fading channels. The achievable performance with signal space diversity...
Nauman F. Kiyani, Jos H. Weber, Alenka G. Zajic, G...
TWC
2008
184views more  TWC 2008»
13 years 6 months ago
Distributed Space-Frequency Coding over Broadband Relay Channels
Abstract--Designing diversity achieving schemes over the wireless broadband fading relay channels is crucial to achieve higher diversity gains. These gains are achieved by exploiti...
Karim G. Seddik, K. J. Ray Liu
TIT
2008
90views more  TIT 2008»
13 years 6 months ago
An Improved Sphere-Packing Bound for Finite-Length Codes Over Symmetric Memoryless Channels
This paper derives an improved sphere-packing (ISP) bound for finite-length error-correcting codes whose transmission takes place over symmetric memoryless channels, and the codes...
Gil Wiechman, Igal Sason