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ICC
2007
IEEE
149views Communications» more  ICC 2007»
15 years 4 months 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
GLOBECOM
2008
IEEE
15 years 4 months ago
Channel Adaptive Encoding and Decoding Strategies and Rate Regions for the Three User Cooperative Multiple Access Channel
—For a cooperative Gaussian multiple access channel (MAC), we propose a new channel adaptive three user cooperation strategy, based on a non-trivial extension of block Markov sup...
Çagatay Edemen, Onur Kaya
ICC
2007
IEEE
15 years 4 months ago
Large System Performance Evaluation of the DS/CDMA Relay Channel Using Linear Receivers
— This paper considers a relay communication system where cooperative diversity is achieved by spreading the relay transmissions using direct-sequence CDMA (DS/CDMA). We derive e...
David Gregoratti, Xavier Mestre
TWC
2008
120views more  TWC 2008»
14 years 9 months ago
A cartel maintenance framework to enforce cooperation in wireless networks with selfish users
Abstract-- In distributed wireless networks without centralized control, each user is its own authority to maximize its own performance. This distributed characteristic provides th...
Zhu Han, Zhu Ji, K. J. Ray Liu
INFOCOM
2010
IEEE
14 years 8 months ago
DAC: Distributed Asynchronous Cooperation for Wireless Relay Networks
—Cooperative relay is a communication paradigm that aims to realize the capacity of multi-antenna arrays in a distributed manner. However, the symbol-level synchronization requir...
Xinyu Zhang, Kang G. Shin