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114
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ISQED
2005
IEEE
15 years 10 months ago
2005
IEEE
Abstract - This paper studies design considerations for lowpower ultra wideband (UWB) receiver architectures. First, three different architectures for the impulse-radio UWB transce...
111
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ICC
2007
IEEE
15 years 11 months ago
2007
IEEE
— We present an optimization method for unequal error protection (UEP)-LDPC codes with higher order constellations. By modifying the density evolution algorithm under the Gaussia...
143
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TMM
2002
15 years 4 months ago
2002
This paper presents the rudiments of a theory of schema design for databases containing high dimensional features of the type used for describing multimedia data. We introduce a mo...
173
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ICC
2009
IEEE
15 years 11 months ago
2009
IEEE
— In wireless local area networks (WLANs), quality of service (QoS) can be provided by mapping applications with different requirements (e.g., delay and throughput) into one of t...
125
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SIMPRA
2008
15 years 4 months ago
2008
In this paper we analyze and evaluate the effects of some pre-defined process parameters on the performance of a manufacturing system. These parameters include two different plant...