7006 search results - page 1003 / 1402 » Approximation Algorithms |
183
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ICC
2007
IEEE
16 years 1 months ago
2007
IEEE
Abstract— We consider multiuser scheduling with limited feedback of partial channel state information in MIMO broadcast channels. By using spatial multiplexing at the base statio...
132
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ICC
2007
IEEE
16 years 1 months ago
2007
IEEE
—This paper investigates time of arrival estimation via impulse radio ultra-wideband technology. A dense multipath channel is assumed and frequency-selective propagation effects ...
182
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SIBGRAPI
2007
IEEE
16 years 1 months ago
2007
IEEE
This paper proposes a model-based methodology for recognizing and tracking objects in digital image sequences. Objects are represented by attributed relational graphs (or ARGs), w...
123
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VTC
2007
IEEE
16 years 1 months ago
2007
IEEE
— In this paper, we consider an overlay system where narrowband AM signals interfere with a broadband multicarrier system [1]. To reduce the effect of the AM narrowband interfere...
187
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CISC
2007
Springer
16 years 29 days ago
2007
Springer
Abstract. This paper reports on the improved and multiple linear cryptanalysis of reduced round Serpent by mean of a branch-and-bound characteristic search within the algorithm. We...