5649 search results - page 388 / 1130 » Wireless Communication Is in APX |
162
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CEC
2007
IEEE
15 years 11 months ago
2007
IEEE
We present a memetic algorithm that dynamically optimizes the design of a wireless sensor network towards energy conservation and extension of the life span of the network, taking ...
204
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GLOBECOM
2008
IEEE
15 years 8 months ago
2008
IEEE
—This paper deals with distributed beamforming techniques for wireless networks with half-duplex amplify-andforward relays. Existing schemes optimize the beamforming weights base...
177
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GLOBECOM
2008
IEEE
15 years 7 months ago
2008
IEEE
The propagation characteristics of electromagnetic (EM) waves in tunnels are significantly different from those in terrestrial environment. However, the current tunnel channel mode...
181
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PUC
2000
15 years 6 months ago
2000
In this paper we introduce a novel approach to share context to enhance the social quality of remote mobile communication. We provide an analysis of how people start a conversation...
154
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TIT
1998
15 years 6 months ago
1998
—In 1948 Shannon developed fundamental limits on the efficiency of communication over noisy channels. The coding theorem asserts that there are block codes with code rates arbit...