24132 search results - page 4624 / 4827 » and 2009 |
174
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MOBICOM
2009
ACM
16 years 1 months ago
2009
ACM
In this paper we investigate the connectivity for large-scale clustered wireless sensor and ad hoc networks. We study the effect of mobility on the critical transmission range fo...
192
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MOBICOM
2009
ACM
16 years 1 months ago
2009
ACM
The coexistence of two unlicensed links is considered, where one link interferes with the transmission of the other, over a timevarying, block-fading channel. In the absence of fa...
154
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MOBICOM
2009
ACM
16 years 1 months ago
2009
ACM
In November 2008, the FCC ruled that the digital TV whitespaces be used for unlicensed access. This is an exciting development because DTV whitespaces are in the low frequency ran...
176
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MOBICOM
2009
ACM
16 years 1 months ago
2009
ACM
Wireless sensor networks (WSNs) have been increasingly available for critical applications such as security surveillance and environmental monitoring. An important performance mea...
193
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MOBICOM
2009
ACM
16 years 1 months ago
2009
ACM
A growing number of mobile computing applications are centered around the user’s location. The notion of location is broad, ranging from physical coordinates (latitude/longitude...