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» Micropayments for Wireless Communications
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MOBICOM
2000
ACM
15 years 11 months ago
Sending messages to mobile users in disconnected ad-hoc wireless networks
An ad-hoc network is formed by a group of mobile hosts upon a wireless network interface. Previous research in this area has concentrated on routing algorithms which are designed ...
Qun Li, Daniela Rus
MOBICOM
1999
ACM
15 years 11 months ago
Analysis of a Metropolitan-Area Wireless Network
We analyze a seven-week trace of the Metricom metropolitan-area packet radio wireless network to find how users take advantage of a mobile environment. Such understanding is criti...
Diane Tang, Mary Baker
CEC
2007
IEEE
15 years 10 months ago
A memetic algorithm for dynamic design of wireless sensor Networks
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 ...
Konstantinos P. Ferentinos, Theodore A. Tsiligirid...
GLOBECOM
2008
IEEE
15 years 7 months ago
Perturbation-Based Distributed Beamforming for Wireless Relay Networks
—This paper deals with distributed beamforming techniques for wireless networks with half-duplex amplify-andforward relays. Existing schemes optimize the beamforming weights base...
Peter Fertl, Ari Hottinen, Gerald Matz
GLOBECOM
2008
IEEE
15 years 7 months ago
Channel Modeling of Wireless Networks in Tunnels
The propagation characteristics of electromagnetic (EM) waves in tunnels are significantly different from those in terrestrial environment. However, the current tunnel channel mode...
Zhi Sun, Ian F. Akyildiz