Sciweavers

Share
ICC
2007
IEEE
144views Communications» more  ICC 2007»
9 years 2 months ago
Modelling Interference Temperature Constraints for Spectrum Access in Cognitive Radio Networks
— With the advent of cognitive radio technology, new paradigms for spectrum access can achieve near-optimal spectrum utilisation by letting each user sense and utilise available s...
Joe Bater, Hwee Pink Tan, Kenneth N. Brown, Linda ...
ICC
2007
IEEE
137views Communications» more  ICC 2007»
9 years 2 months ago
Optimality and Complexity of Opportunistic Spectrum Access: A Truncated Markov Decision Process Formulation
— We consider opportunistic spectrum access (OSA) which allows secondary users to identify and exploit instantaneous spectrum opportunities resulting from the bursty traffic of ...
Dejan V. Djonin, Qing Zhao, Vikram Krishnamurthy
ICC
2007
IEEE
119views Communications» more  ICC 2007»
9 years 2 months ago
Spatio-Temporal Dynamic Spectrum Allocation with Interference Handling
— As for today, radio spectrum resource is rigidly partitioned for dedicated purposes. The exclusive license of fixed size spectrum blocks separated by guard bands easily solves...
László Kovacs, Attila Vidács,...
WCNC
2008
IEEE
9 years 2 months ago
Exploiting Historical Spectrum Occupancy Information for Adaptive Spectrum Sensing
—At present wireless devices are able to select their working frequency only to a limited extend although several measurements have shown that the current spectrum regulations ar...
Matthias Wellens, Alexandre de Baynast, Petri M&au...
VTC
2008
IEEE
224views Communications» more  VTC 2008»
9 years 2 months ago
Dynamic Spectrum Allocation in Wireless Cognitive Sensor Networks: Improving Fairness and Energy Efficiency
Abstract- This paper considers the centralized spectrum allocations in resource-constrained wireless sensor networks with the following goals: (1) allocate spectrum as fairly as po...
Sang-Seon Byun, Ilangko Balasingham, Xuedong Liang
PIMRC
2008
IEEE
9 years 2 months ago
Design challenges of open spectrum access
Abstract—The use of licensed spectrum for wireless communication is driven by the need to control interference between different operators. However, with this mode of regulation,...
Konstantinos V. Katsaros, Pantelis A. Frangoudis, ...
ICC
2008
IEEE
139views Communications» more  ICC 2008»
9 years 2 months ago
Repeated Spectrum Sharing Game with Self-Enforcing Truth-Telling Mechanism
—Dynamic spectrum access has become a promising approach that can coordinate different users’ access to adapt to spectrum dynamics to improve spectrum efficiency. However, use...
Yongle Wu, Beibei Wang, K. J. Ray Liu
GLOBECOM
2008
IEEE
9 years 2 months ago
Collusion-Resistant Multi-Winner Spectrum Auction for Cognitive Radio Networks
—In order to fully utilize spectrum, auction-based dynamic spectrum allocation has become a promising approach which allows unlicensed wireless users to lease unused bands from s...
Yongle Wu, Beibei Wang, K. J. Ray Liu, T. Charles ...
ADHOCNETS
2009
Springer
9 years 2 months ago
Distributed Spectrum Sharing for Video Streaming in Cognitive Radio Ad Hoc Networks
A distributed joint routing and spectrum sharing algorithm for video streaming applications over cognitive radio ad hoc networks is proposed in this article. The proposed cross-lay...
Lei Ding, Scott Pudlewski, Tommaso Melodia, Stella...
INFOCOM
2009
IEEE
9 years 2 months ago
Cooperative Relay for Cognitive Radio Networks
—Cognitive radio has been proposed in recent years to promote the spectrum utilization by exploiting the existence of spectrum holes. The heterogeneity of both spectrum availabil...
Juncheng Jia, J. Jun Jun Zhang, Qian Zhang
books