14642 search results - page 2569 / 2929 » It's Time for a Change |
182
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JNW
2007
15 years 6 months ago
2007
— This paper presents an optimization of PSM to improve its energy conservation. According to PSM, time is divided into beacon intervals. At the beginning of each beacon interval...
174
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TSP
2008
15 years 6 months ago
2008
The problem of transmit beamforming to multiple cochannel multicast groups is considered, when the channel state is known at the transmitter and from two viewpoints: minimizing tot...
148
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TSP
2008
15 years 6 months ago
2008
One of the key issues in decentralized beamforming is the need to phasealign the carriers of all the sensors in the network. Recent work in this area has shown the viability of ce...
172
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TSP
2008
15 years 6 months ago
2008
Abstract--Digital processing techniques are based on representing a continuous-time signal by a discrete set of samples. This paper treats the problem of reconstructing a periodic ...
191
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TVCG
2008
15 years 6 months ago
2008
Anywhere Augmentation pursues the goal of lowering the initial investment of time and money necessary to participate in mixed reality work, bridging the gap between researchers in ...