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156
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NTMS
2008
IEEE
2008
IEEE
MASA: End-to-End Data Security in Sensor Networks Using a Mix of Asymmetric and Symmetric Approaches
16 years 1 months ago
Wireless Sensor Networks (WSNs) are a new technology that is expected to be used increasingly in the near future due to its cheap cost and data processing ability. However, securi...
164
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PIMRC
2008
IEEE
16 years 1 months ago
2008
IEEE
—In this paper we present an algorithm that measures the round trip times of IEEE 802.11 MAC packets in order to trilaterate WLAN nodes. We show that if we use packet sequences (...
198
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PIMRC
2008
IEEE
16 years 1 months ago
2008
IEEE
— Consider the problem of resource allocation on the downlink of a cellular OFDMA system. A fairness constraint is defined by a minimum data rate, a maximum bit-error rate and a...
157
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RTSS
2008
IEEE
16 years 1 months ago
2008
IEEE
The standard design of control systems is based on the periodic sampling. Every period the data is read from the input, the control law is computed, and the output is written to t...
202
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SIBGRAPI
2008
IEEE
16 years 1 months ago
2008
IEEE
This work proposes a simple approximation scheme for discrete data that leads to an infinitely smooth result without global optimization. It combines the flexibility of Binary Sp...