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JSAC
2011
171views more  JSAC 2011»
8 years 10 months ago
QoS Provisioning for Heterogeneous Services in Cooperative Cognitive Radio Networks
—In this paper, we propose a spectrum allocation framework that jointly considers the Quality-of-Service (QoS) provisioning for heterogeneous secondary Real-Time (RT) and Non-Rea...
Ammar Alshamrani, Xuemin (Sherman) Shen, Liang-Lia...
INFOCOM
2011
IEEE
8 years 10 months ago
SMALL: A Strategy-proof Mechanism for radio spectrum allocation
Abstract—With the growing deployment of wireless communication technologies, radio spectrum is becoming a scarce resource. Thus mechanisms to efficiently allocate the available ...
Fan Wu, Nitin H. Vaidya
SECON
2010
IEEE
9 years 5 months ago
Distributed Routing, Relay Selection, and Spectrum Allocation in Cognitive and Cooperative Ad Hoc Networks
Throughput maximization is a key challenge in cognitive radio ad hoc networks, where the availability of local spectrum resources may change from time to time and hopby-hop. To ach...
Lei Ding, Tommaso Melodia, Stella N. Batalama, Joh...
TCOM
2010
143views more  TCOM 2010»
9 years 5 months ago
Spectrum Auction Games for Multimedia Streaming Over Cognitive Radio Networks
Abstract—Cognitive radio technologies have become a promising approach to efficiently utilize the spectrum. Although many works have been proposed recently in the area of cognit...
Yan Chen, Yongle Wu, Beibei Wang, K. J. Ray Liu
JCM
2006
179views more  JCM 2006»
9 years 7 months ago
Collaborative Allocation of Orthogonal Frequency Division Multiplex Sub-Carriers using the Swarm Intelligence
Abstract-- Future generations of wireless systems require opportunistic spectrum access techniques to effectively detect and access temporarily unused spectrum bands. Cognitive rad...
J. C. Dunat, David Grandblaise, Christian Bonnet
JSAC
2008
135views more  JSAC 2008»
9 years 7 months ago
Multi-Stage Pricing Game for Collusion-Resistant Dynamic Spectrum Allocation
In order to fully utilize scarce spectrum resources, dynamic spectrum allocation becomes a promising approach to increase the spectrum efficiency for wireless networks. However, th...
Zhu Ji, K. J. Ray Liu
ICASSP
2010
IEEE
9 years 7 months ago
An auction-based framework for multimedia streaming over cognitive radio networks
Recently, many works have been proposed in the area of cognitive radio to efficiently utilize the spectrum for data communication. However, little effort has been made in content...
Yan Chen, Yongle Wu, Beibei Wang, K. J. Ray Liu
GLOBECOM
2008
IEEE
9 years 8 months ago
Cooperative Spectrum Allocation in Centralized Cognitive Networks Using Bipartite Matching
—Conflict free spectrum allocation for secondary users in cognitive networks is a challenging problem, since the accessible spectrum is shared among users. The problem becomes to...
Chengshi Zhao, Mingrui Zou, Bin Shen, Bumjung Kim,...
WICON
2008
9 years 8 months ago
Traffic-aware dynamic spectrum access
Demand-driven spectrum allocation can drastically improve performance for WiFi access points struggling under increasing user demands. While their frequency agility makes cognitive...
Lei Yang, Lili Cao, Heather Zheng, Elizabeth M. Be...
MCSS
2009
Springer
9 years 11 months ago
Dynamic Cross-Layer Spectrum Allocation for Multi-Band High-Rate UWB Systems
- In this paper, we investigate a new approach for the spectrum allocation in UWB systems. This approach consists in a cross-layer scheme that takes into consideration the differen...
Ayman Khalil, Matthieu Crussière, Jean-Fran...
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