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148
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ICC
2007
IEEE
16 years 1 months ago
2007
IEEE
— In this paper, Cramer-Rao lower bounds (CRLBs) for estimation of vital signal parameters, such as respiration and heart-beat rates, using ultra-wideband (UWB) pulses are derive...
177
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ICC
2007
IEEE
16 years 1 months ago
2007
IEEE
— Multi-slot resource scheduling in a general two dimensional wireless ad hoc network, is a hard problem with no known polynomial-time solution. Recent optimization theoretic ana...
153
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ICC
2007
IEEE
16 years 1 months ago
2007
IEEE
— In this paper, we discuss and evaluate our two metro wavelength division multiplexing (WDM) ring network architectures for variable-length packet traffic. The paper begins with...
188
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ICC
2007
IEEE
16 years 1 months ago
2007
IEEE
— The design of ultra-wideband (UWB) impulse radio receivers has to cope with complex signal propagation environments with dense multipath fading, which complicate channel estima...
199
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ICC
2007
IEEE
16 years 1 months ago
2007
IEEE
Abstract— Many sensor networks (SN) use in-network aggregation to minimize the amount of data transmitted by sensors. Unfortunately, aggregation makes the network more vulnerable...