7930 search results - page 418 / 1586 » Greedy in Approximation Algorithms |
185
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ICASSP
2009
IEEE
16 years 1 months ago
2009
IEEE
In this paper we model the components of the compressive sensing (CS) problem using the Bayesian framework by utilizing a hierarchical form of the Laplace prior to model sparsity ...
175
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GLOBECOM
2008
IEEE
16 years 1 months ago
2008
IEEE
— For decoding low-density parity-check (LDPC) codes on discrete memoryless channels, a method to quantize messages and to find message-passing decoding functions for the variab...
174
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ICASSP
2008
IEEE
16 years 1 months ago
2008
IEEE
This paper proposes non-iterative coordinated beamforming algorithms for a multiuser MIMO (multiple input multiple output) system with multiple antennas at the transmitter and mul...
184
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ICCCN
2008
IEEE
16 years 1 months ago
2008
IEEE
—Observing that simplicity implies efficiency and scalability, this paper proposes a position-based deployment and routing strategy, and then gives a concrete approach under this...
188
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WCNC
2008
IEEE
16 years 1 months ago
2008
IEEE
— A cross-layer algorithm for geographic routing in Wireless Sensor Networks (WSNs) is proposed, which is robust to dead-ends and resilient to topological variations due to netwo...