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GLOBECOM
2006
IEEE
15 years 10 months ago
Distributed Multi-Cell Zero-Forcing Beamforming in Cellular Downlink Channels
Abstract— For a multiple-input single-output (MISO) downlink channel with ¢ transmit antennas, it has been recently proved that zero-forcing beamforming (ZFBF) to a subset of (a...
Oren Somekh, Osvaldo Simeone, Yeheskel Bar-Ness, A...
KR
2004
Springer
15 years 10 months ago
An Improved Integer Local Search for Complex Scheduling Problems
We consider complex scheduling problems that can be captured as optimization under hard and soft constraints. The objective of such an optimization problem is to satisfy as many h...
Weixiong Zhang, Xiaotao Zhang
WCNC
2010
IEEE
15 years 2 months ago
On MIMO Cognitive Radios with Antenna Selection
—With the ever increasing interest in multiple-input multiple-output (MIMO) cognitive radio (CR) systems, reducing the costs associated with RF-chains at the radio front end beco...
Muhammad Fainan Hanif, Peter J. Smith
MP
2011
14 years 11 months ago
Null space conditions and thresholds for rank minimization
Minimizing the rank of a matrix subject to constraints is a challenging problem that arises in many applications in machine learning, control theory, and discrete geometry. This c...
Benjamin Recht, Weiyu Xu, Babak Hassibi
ICDCS
2007
IEEE
15 years 11 months ago
LagOver: Latency Gradated Overlays
We propose a new genre of overlay network for disseminating information from popular but resource constrained sources. We call this communication primitive as Latency Gradated Ove...
Anwitaman Datta, Ion Stoica, Michael J. Franklin