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TCOM
2010
119views more  TCOM 2010»
13 years 5 months ago
Optimization of OFDMA-Based Cellular Cognitive Radio Networks
Abstract— In this paper, we study the coexistence and optimization of a multicell cognitive radio network (CRN) which is overlaid with a multicell primary radio network (PRN). We...
Yao Ma, Dong In Kim, Zhiqiang Wu
MOBICOM
2009
ACM
14 years 2 months ago
Achievable throughput of multiple access spectrum systems based on cognitive relay
Cognitive relays form a special cooperation relationship among users in cognitive radio networks, and help increase the transmission rates of both primary users and secondary user...
Wei Wang, Baochun Li, Li Yu
JSAC
2011
137views more  JSAC 2011»
13 years 2 months ago
Cognitive Network Interference
—Opportunistic spectrum access creates the opening of under-utilized portions of the licensed spectrum for reuse, provided that the transmissions of secondary radios do not cause...
Alberto Rabbachin, Tony Q. S. Quek, Hyundong Shin,...
EJWCN
2010
229views more  EJWCN 2010»
13 years 2 months ago
Throughput-Efficient Dynamic Coalition Formation in Distributed Cognitive Radio Networks
We formulate the problem of distributed throughput-efficient sensing in cognitive radio (CR) networks as a dynamic coalition formation game based on a Markovian model. The propose...
Zaheer Khan, Janne J. Lehtomäki, Marian Codre...
WD
2010
13 years 5 months ago
CAODV: Routing in mobile ad-hoc cognitive radio networks
This paper deals with the routing in cognitive mobile ad hoc networks. We propose to modify the widely adopted Ad-hoc On-demand Distance Vector (AODV) protocol [1] in order to assu...
Angela Sara Cacciapuoti, Cosimo Calcagno, Marcello...