112 search results - page 20 / 23 » Adaptive Bandwidth Allocation Scheme for Cognitive Radios |
ICC
2007
IEEE
15 years 3 months ago
2007
IEEE
Abstract— In cellular systems a large reuse distance reduces cochannel interference while a small reuse distance increases bandwidth allocated to each cell. The optimal reuse dis...
ICASSP
2011
IEEE
14 years 1 months ago
2011
IEEE
In cognitive radio (CR) networks, multi-CR cooperation typically takes place during spectrum sensing, to cope with wireless fading effects and the hidden terminal problem. The use...
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TCOM
2010
14 years 7 months ago
2010
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...
GLOBECOM
2009
IEEE
15 years 4 months ago
2009
IEEE
— We propose and analyze a novel decentralized mechanism that motivates otherwise non-cooperative stations to participate as relays in cooperative ARQ protocol. Cooperation incen...
WCNC
2010
IEEE
15 years 1 months ago
2010
IEEE
To mitigate inter-cell interference (ICI) and achieve higher spectrum efficiency, fractional frequency reuse (FFR) has been widely adopted by the next generation wireless systems...