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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
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,...
JCST
2008
140views more  JCST 2008»
13 years 7 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
WOWMOM
2009
ACM
191views Multimedia» more  WOWMOM 2009»
14 years 2 months ago
Multi-channel spectrum-agile MAC protocol with adaptive load control
Abstract— Spectrum-agile radios, also known as cognitive radios, have a great potential to improve spectrum utilization by enabling dynamic access to the spectrum. A key challeng...
Fan Wang, Marwan Krunz
MSWIM
2009
ACM
14 years 2 months ago
An enhanced mechanism for efficient assignment of multiple MBMS sessions towards LTE
The provision of rich multimedia services, such as Mobile TV, is considered of key importance for the Long Term Evolution (LTE) proliferation in mobile market. To this direction, ...
Antonios G. Alexiou, Christos Bouras, Vasileios Ko...