25937 search results - page 4795 / 5188 » Geographic Information Systems |
186
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TSP
2010
15 years 2 months ago
2010
Time-frequency representations constitute the main tool for analysis of nonstationary signals arising in real-life systems. One of the most challenging applications of time-frequen...
227
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TSP
2010
15 years 2 months ago
2010
A random beamforming scheme for the Gaussian MIMO broadcast channel with channel quality feedback is investigated and extended. Considering the case where the receivers each have r...
210
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TSP
2010
15 years 2 months ago
2010
In this paper, we consider the optimality of beamforming for achieving the ergodic capacity of multiple-input multiple-output (MIMO) multiple access channel (MAC) via virtual repre...
229
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TWC
2010
15 years 2 months ago
2010
In this letter, we address the problem of distributed multi-antenna cooperative transmission in a cellular system. Most research in this area has so far assumed that base stations ...
228
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BWCCA
2010
15 years 2 months ago
2010
As popularity of the Internet continues to grow, it changes the way of computer crime. Number of computer crime increases dramatically in recent years and investigators have been f...