899 search results - page 147 / 180 » VoIP Communications in Wireless Ad-hoc Network with Gateways |
148
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ICC
2008
IEEE
15 years 8 months ago
2008
IEEE
—In wireless communication systems, the signal strength/quality generally varies with the distances between transmitters and receivers. As a consequence, the throughput in the MA...
120
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VTC
2007
IEEE
15 years 8 months ago
2007
IEEE
— Hydra is a flexible wireless network testbed being developed at UT Austin. Our focus is networks that support multiple wireless hops and where the network, especially the MAC,...
113
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EURONGI
2006
Springer
15 years 5 months ago
2006
Springer
Wireless sensor networks (WSNs) pose challenges not present in classical distributed systems: resource limitations, high failure rates, and ad hoc deployment. The lossy nature of w...
125
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IJSN
2006
15 years 1 months ago
2006
: Wireless Sensor Networks (WSN) pose a need for dynamically establishing a secret key joint to a group of nodes. Elliptic Curve Cryptography (ECC) has emerged as a suitable public...
113
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ICIP
2002
IEEE
16 years 3 months ago
2002
IEEE
In this paper, we propose and analyze a routing protocol for mobile ad hoc networks that supports efficient image retrieval based on metadata queries. In digital photography, meta...