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ICASSP
2011
IEEE
14 years 10 months ago
Robust secondary multicast transmit beamforming for cognitive radio networks under imperfect channel state information
Consider a robust downlink beamforming optimization problem for secondary multicast transmission in a multiple-input multiple-output (MIMO) spectrum sharing cognitive radio (CR) n...
Yongwei Huang, Qiang Li, Wing-Kin Ma, Shuzhong Zha...
ICASSP
2011
IEEE
14 years 10 months ago
Content preference estimation in online social networks: Message passing versus sparse reconstruction on graphs
We design two different strategies for computing the unknown content preferences in an online social network based on a small set of nodes in the corresponding social graph for wh...
Jacob Chakareski
INFOCOM
2011
IEEE
14 years 10 months ago
SelectCast: Scalable data aggregation scheme in wireless sensor networks
—In this work, for a wireless sensor network (WSN) of n randomly placed sensors with node density λ ∈ [1, n], we study the tradeoffs between the aggregation throughput and gat...
Cheng Wang, ShaoJie Tang, Xiang-Yang Li, Changjun ...
ICDCS
2003
IEEE
15 years 12 months ago
Neighbor Table Construction and Update in a Dynamic Peer-to-Peer Network
In a system proposed by Plaxton, Rajaraman and Richa (PRR), the expected cost of accessing a replicated object was proved to be asymptotically optimal for a static set of nodes an...
Huaiyu Liu, Simon S. Lam
ASPDAC
2007
ACM
121views Hardware» more  ASPDAC 2007»
15 years 10 months ago
Timing-Aware Decoupling Capacitance Allocation in Power Distribution Networks
Power supply noise increases the circuit delay, which may lead to performance failure of a design. Decoupling capacitance (decap) addition is effective in reducing the power suppl...
Sanjay Pant, David Blaauw