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ICC
2007
IEEE
175views Communications» more  ICC 2007»
14 years 22 days 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
NETWORK
2007
148views more  NETWORK 2007»
13 years 5 months ago
Integration of IEEE 802.11 WLANs with IEEE 802.16-based multihop infrastructure mesh/relay networks: A game-theoretic approach t
One of the promising applications of IEEE 802.16 (WiMAX)-based wireless mesh/relay networks is to provide infrastructure/backhaul support for IEEE 802.11based mobile hotspots. In ...
Dusit Niyato, Ekram Hossain
JCST
2008
140views more  JCST 2008»
13 years 6 months ago
ROPAS: Cross-Layer Cognitive Architecture for Mobile UWB Networks
The allocation of bandwidth to unlicensed users, without significantly increasing the interference on the existing licensed users, is a challenge for Ultra Wideband (UWB) networks....
Chittabrata Ghosh, Bin Xie, Dharma P. Agrawal
CN
2008
176views more  CN 2008»
13 years 6 months ago
ARQ-based cross-layer optimization for wireless multicarrier transmission on cognitive radio networks
The primary feature of cognitive radios for wireless communication systems is the capability to optimize the relevant communication parameters given a dynamic wireless channel env...
Alexandre de Baynast, Petri Mähönen, Mar...
WIOPT
2011
IEEE
12 years 10 months ago
Network utility maximization over partially observable Markovian channels
Abstract—This paper considers maximizing throughput utility in a multi-user network with partially observable Markov ON/OFF channels. Instantaneous channel states are never known...
Chih-Ping Li, Michael J. Neely