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» Cooperative Multi-relay Scheme for Secondary Spectrum Access
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ITIIS
2010
191views more  ITIIS 2010»
13 years 9 months ago
Cooperative Multi-relay Scheme for Secondary Spectrum Access
In this paper, we propose a cooperative multi-relay scheme for a secondary system to achieve spectrum access along with a primary system. In the primary network, a primary transmi...
Tran Trung Duy, Hyung Yun Kong
INFOCOM
2010
IEEE
13 years 9 months ago
Opportunistic Spectrum Access with Multiple Users: Learning under Competition
Abstract—The problem of cooperative allocation among multiple secondary users to maximize cognitive system throughput is considered. The channel availability statistics are initi...
Animashree Anandkumar, Nithin Michael, Ao Tang
TCOM
2010
197views more  TCOM 2010»
13 years 9 months ago
Power control for cooperative dynamic spectrum access networks with diverse QoS constraints
Dynamic spectrum access (DSA) is an integral part of cognitive radio technology aiming at efficient management of the available power and bandwidth resources. The present paper d...
Nikolaos Gatsis, Antonio G. Marqués, Georgi...
INFOCOM
2010
IEEE
13 years 9 months ago
Cooperative Boundary Detection for Spectrum Sensing Using Dedicated Wireless Sensor Networks
Abstract—Spectrum sensing is one of the key enabling technologies in Cognitive Radio Networks (CRNs). In CRNs, secondary users (SUs) are allowed to exploit the spectrum opportuni...
Yanyan Yang, Yunhuai Liu, Qian Zhang, Lionel M. Ni
TWC
2010
13 years 5 months ago
Dynamic Spectrum Access Using a Network Coded Cognitive Control Channel
In this paper we propose a Dynamic Spectrum Access scheme which allows the users to opportunistically and efficiently access the channels available for communications. It addresses...
Nicola Baldo, Alfred Asterjadhi, Michele Zorzi