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JSAC
2008
151views more  JSAC 2008»
13 years 10 months ago
Joint Beamforming and Power Allocation for Multiple Access Channels in Cognitive Radio Networks
A cognitive radio (CR) network is often described as a secondary network operating in a frequency band originally licensed/allocated to a primary network consisting of one or multi...
Lan Zhang, Ying-Chang Liang, Yan Xin
CORR
2010
Springer
99views Education» more  CORR 2010»
13 years 11 months ago
A New Phase Transition for Local Delays in MANETs
: We study a slotted version of the Aloha Medium Access (MAC) protocol in a Mobile Ad-hoc Network (MANET). Our model features transmitters randomly located in the Euclidean plane, ...
François Baccelli, Bartek Blaszczyszyn
WCNC
2010
IEEE
14 years 2 months ago
Optimal Tradeoff Between Transmission Rate and Packet Duration in Wireless Ad Hoc Networks
—This paper considers the tradeoff between bursty and continuous transmissions in wireless ad hoc networks. In our network model, packets belonging to specific transmitters arri...
Jon E. Corneliussen, Mariam Kaynia, Geir E. &Oslas...
NSDI
2010
14 years 6 days ago
Optimizing Cost and Performance in Online Service Provider Networks
Zheng Zhang, Ming Zhang, Albert G. Greenberg, Y. C...
ICC
2009
IEEE
114views Communications» more  ICC 2009»
14 years 5 months ago
Distributed Gradient Based Gain Allocation for Coherent Multiuser AF Relaying Networks
—A set of distributed non-cooperating relay antennas is known to be capable of orthogonalizing multiple sourcedestination pairs in space by coherent amplify-and-forward (AF) rela...
Celal Esli, Jörg Wagner, Armin Wittneben