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WCNC
2008
IEEE
16 years 23 days ago
Achievable Rates for the Three User Cooperative Multiple Access Channel
— For a three user Gaussian multiple access channel (MAC), we propose a new superposition block Markov encoding based cooperation scheme. Our scheme allows the three users to sim...
Çagatay Edemen, Onur Kaya
GLOBECOM
2007
IEEE
16 years 22 days ago
UWB Impulse Radio with Triple-Polarization SIMO
Abstract— Polarized single-input multiple-output (SIMO) arrays can improve system robustness and rate while offering a compact design. We investigate the error performance of Imp...
Wasim Q. Malik, David J. Edwards
ICC
2007
IEEE
149views Communications» more  ICC 2007»
16 years 22 days ago
Cluster-Based Cooperative Spectrum Sensing in Cognitive Radio Systems
— In cognitive radio systems, secondary users can be coordinated to perform cooperative spectrum sensing so as to detect the primary user more accurately. However, when the sensi...
Chunhua Sun, Wei Zhang, Khaled Ben Letaief
AINA
2006
IEEE
16 years 14 days ago
Combinatorial Fusion Criteria for Real-Time Tracking
We address the problem of automated video tracking of targets when targets undergo multiple mutual occlusions. Our approach is based on the idea that as targets are occluded, sele...
D. Frank Hsu, Damian M. Lyons, Jizhou Ai
INFOCOM
2006
IEEE
16 years 13 days ago
Performance of VoIP in a 802.11 Wireless Mesh Network
— Performance in multihop wireless networks is known to degrade with the number of hops for both TCP and UDP traffic. For VoIP, the wireless network presents additional challeng...
Dragor Niculescu, Samrat Ganguly, Kyungtae Kim, Ra...