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TIT
2011
193views more  TIT 2011»
13 years 4 months ago
Optimal Resource Allocation for MIMO Ad Hoc Cognitive Radio Networks
—Maximization of the weighted sum-rate of secondary users (SUs) possibly equipped with multiantenna transmitters and receivers is considered in the context of cognitive radio (CR...
Seung-Jun Kim, Georgios B. Giannakis
TITS
2011
247views more  TITS 2011»
13 years 4 months ago
Road Detection Based on Illuminant Invariance
—By using an onboard camera, it is possible to detect the free road surface ahead of the ego-vehicle. Road detection is of high relevance for autonomous driving, road departure w...
José M. Álvarez, Antonio M. Lopez
TIT
2011
121views more  TIT 2011»
13 years 4 months ago
Sum Capacity of MIMO Interference Channels in the Low Interference Regime
Using Gaussian inputs and treating interference as noise at the receivers has recently been shown to be sum capacity achieving for the two-user single-input single-output (SISO) G...
V. Sreekanth Annapureddy, Venugopal V. Veeravalli
TIT
2011
169views more  TIT 2011»
13 years 4 months ago
Network Coding Theory Via Commutative Algebra
—The fundamental result of linear network coding asserts the existence of optimal codes over acyclic networks when the symbol field is sufficiently large. The restriction to just...
Shuo-Yen Robert Li, Qifu Tyler Sun
TIT
2011
113views more  TIT 2011»
13 years 4 months ago
Asymptotic Capacity and Optimal Precoding in MIMO Multi-Hop Relay Networks
A multi-hop relaying system is analyzed where data sent by a multi-antenna source is relayed by successive multi-antenna relays until it reaches a multi-antenna destination. Assum...
Nadia Fawaz, Keyvan Zarifi, Mérouane Debbah...