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ICASSP
2011
IEEE
12 years 11 months ago
User selection schemes for maximizing throughput of multiuser MIMO systems using Zero Forcing Beamforming
The performance of a multiuser MIMO broadcast system depends highly on how the users being served are selected from the pool of users requesting service. Though dirty paper coding...
Anh H. Nguyen, Bhaskar D. Rao
INFOCOM
2011
IEEE
12 years 11 months ago
Opportunistic spectrum access for mobile cognitive radios
—Cognitive radios (CRs) can mitigate the impending spectrum scarcity problem by utilizing their capability of accessing licensed spectrum bands opportunistically. While most exis...
Alexander W. Min, Kyu-Han Kim, Jatinder Pal Singh,...
JSAC
2011
191views more  JSAC 2011»
13 years 2 months ago
CRP: A Routing Protocol for Cognitive Radio Ad Hoc Networks
Abstract—Cognitive radio (CR) technology enables the opportunistic use of the vacant licensed frequency bands, thereby improving the spectrum utilization. However, the CR operati...
Kaushik R. Chowdhury, Ian F. Akyildiz
CORR
2010
Springer
119views Education» more  CORR 2010»
13 years 8 months ago
Ergodic Secret Alignment
In this paper, we provide a new achievable ergodic secrecy rate region for the multiple access wiretap channel in fading. Our achievable scheme is based on repeating each symbol at...
Raef Bassily, Sennur Ulukus
MOBICOM
2010
ACM
13 years 8 months ago
Design and experimental evaluation of multi-user beamforming in wireless LANs
Multi-User MIMO promises to increase the spectral efficiency of next generation wireless systems and is currently being incorporated in future industry standards. Although a signi...
Ehsan Aryafar, Narendra Anand, Theodoros Salonidis...