1477 search results - page 107 / 296 » Complexity of (iterated) dominance |
178
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TSP
2010
15 years 1 months ago
2010
Abstract--This paper addresses pilot-assisted channel estimation for wireless orthogonal frequency division multiplexing (OFDM) systems with irregular pilot arrangements. Using non...
201
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ICASSP
2011
IEEE
14 years 10 months ago
2011
IEEE
In this paper, an iterative channel estimation algorithm is considered in LTE systems. A simplified expectation maximization (EM) based algorithm is proposed for channel estimati...
172
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ICASSP
2011
IEEE
14 years 10 months ago
2011
IEEE
We have recently proposed an EM-style algorithm to optimize log-linear models with hidden variables. In this paper, we use this algorithm to optimize a hidden conditional random ...
157
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ICC
2007
IEEE
16 years 22 days ago
2007
IEEE
— Interleave division multiple access (IDMA) recently attracted many research activities because of its excellent performance despite its reasonable low complexity. The low compl...
186
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SIAMJO
2008
15 years 6 months ago
2008
Given A := {a1, . . . , am} Rn and > 0, we propose and analyze two algorithms for the problem of computing a (1 + )-approximation to the radius of the minimum enclosing ball o...