5657 search results - page 163 / 1132 » Micropayments for Wireless Communications |
148
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PIMRC
2008
IEEE
16 years 27 days ago
2008
IEEE
Abstract—The use of licensed spectrum for wireless communication is driven by the need to control interference between different operators. However, with this mode of regulation,...
180
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IEICET
2007
15 years 6 months ago
2007
In recent years, wireless communications, such as wireless LAN and Bluetooth, are widely spreading. As the antennas used in wireless communications are usually installed in small ...
143
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ICC
2007
IEEE
16 years 25 days ago
2007
IEEE
—Anomaly detection is an important challenge for tasks such as fault diagnosis and intrusion detection in energy constrained wireless sensor networks. A key problem is how to min...
191
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JSW
2008
15 years 6 months ago
2008
Establishing and accessing a reliable communication infrastructure at crisis site is a challenging research problem. Failure in communication infrastructure and information exchang...
185
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ICC
2008
IEEE
16 years 29 days ago
2008
IEEE
—We propose a new approach to evaluate the ultimate performance limit of time synchronization in wireless sensor networks based on the estimation theory. In particular the lower ...