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IWCMC
2009
ACM
14 years 1 months ago
Optimal cooperative spectrum sensing in cognitive sensor networks
This paper addresses the problem of optimal cooperative spectrum sensing in a cognitive-enabled sensor network where cognitive sensors can cooperate in the sensing of the spectrum...
Hai Ngoc Pham, Yan Zhang, Paal E. Engelstad, Tor S...
NTMS
2008
IEEE
14 years 1 months ago
An RF Channel Emulator-Based Testbed for Cooperative Transmission Using Wireless Sensor Devices
—In this paper, the issues and methods regarding setting up the testbed for measuring the performance of cooperative transmission is introduced. Also, some experiments on both th...
Jin-Woo Jung, Mary Ann Ingram
TWC
2008
154views more  TWC 2008»
13 years 7 months ago
Threshold Selection for SNR-based Selective Digital Relaying in Cooperative Wireless Networks
This paper studies selective relaying schemes based on signal-to-noise-ratio (SNR) to minimize the end-to-end (e2e) bit error rate (BER) in cooperative digital relaying systems usi...
Furuzan Atay Onat, Abdulkareem Adinoyi, Yijia Fan,...
TWC
2011
291views more  TWC 2011»
13 years 2 months ago
On Optimal Cooperator Selection Policies for Multi-Hop Ad Hoc Networks
Abstract—In this paper we consider wireless cooperative multihop networks, where nodes that have decoded the message at the previous hop cooperate in the transmission toward the ...
Michele Rossi, Cristiano Tapparello, Stefano Tomas...
SECON
2007
IEEE
14 years 1 months ago
Decentralized Multiuser Diversity with Cooperative Relaying in Wireless Sensor Networks
— Multiuser diversity is a phenomenon caused by channel variations among different users in a wireless network. Cooperative relaying provides another form of diversity due to the...
Sam Vakil, Ben Liang