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EJWCN
2010
141views more  EJWCN 2010»
12 years 10 months ago
Scheduling Heterogeneous Wireless Systems for Efficient Spectrum Access
The spectrum scarcity problem emerged in recent years, due to unbalanced utilization of RF (radio frequency) bands in the current state of wireless spectrum allocations. Spectrum a...
Lichun Bao, Shenghui Liao
JCM
2006
179views more  JCM 2006»
13 years 3 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
WCNC
2008
IEEE
13 years 10 months ago
Distributed Energy Efficient Spectrum Access in Wireless Cognitive Radio Sensor Networks
—In this paper, a wireless cognitive radio sensor network is considered, where each sensor node is equipped with cognitive radio and the network is a multi-carrier system operati...
Song Gao, Lijun Qian, Dhadesugoor R. Vaman
CORR
2010
Springer
113views Education» more  CORR 2010»
13 years 3 months ago
A Fair and Efficient Packet Scheduling Scheme for IEEE 802.16 Broadband Wireless Access Systems
This paper proposes a fair and efficient QoS scheduling scheme for IEEE 802.16 BWA systems that satisfies both throughput and delay guarantee to various real and non-real time app...
Prasun Chowdhury, Iti Saha Misra
IMC
2010
ACM
13 years 1 months ago
On the feasibility of effective opportunistic spectrum access
Dynamic spectrum access networks are designed to allow today's bandwidth hungry "secondary devices" to share spectrum allocated to legacy devices, or "primary ...
Vinod Kone, Lei Yang, Xue Yang, Ben Y. Zhao, Haita...