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VTC
2008
IEEE
224views Communications» more  VTC 2008»
15 years 3 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
WCNC
2010
IEEE
14 years 7 months ago
Impact of Secondary Users' Field Size on Spectrum Sharing Opportunities
— Previous works studied the effect of many system parameters on spectrum sharing opportunities where secondary users access the spectrum of primary users. However, a parameter t...
Muhammad Aljuaid, Halim Yanikomeroglu
ICC
2007
IEEE
175views Communications» more  ICC 2007»
15 years 3 months ago
A Framework for Dynamic Spectrum Sharing Between Cognitive Radios
— We consider a cognitive radio system like the future 802.22 networks where license-exempt service providers (SPs) will share a fixed spectrum in a non-interference basis to ea...
Joydeep Acharya, Roy D. Yates
JCM
2006
124views more  JCM 2006»
14 years 9 months ago
Policy Defined Spectrum sharing and medium Access for Cognitive Radios
Spectrum regulation will undergo elementary changes in the near future allowing a less restricted and more flexible access to radio spectrum. Intelligent radios, socalled cognitive...
Lars Berlemann, Stefan Mangold, Guido R. Hiertz, B...
EJWCN
2010
141views more  EJWCN 2010»
14 years 4 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