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172
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TISSEC
2008
15 years 6 months ago
2008
Hop-by-hop data aggregation is a very important technique for reducing the communication overhead and energy expenditure of sensor nodes during the process of data collection in a...
159
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TIT
2008
15 years 6 months ago
2008
We address the well-known problem of determining the capacity of constrained coding systems. While the onedimensional case is well understood to the extent that there are technique...
184
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TIT
2008
15 years 6 months ago
2008
In modern communication systems, different users have different requirements for quality of service (QoS). In this work, QoS refers to the average codeword error probability experi...
166
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TIT
2008
15 years 6 months ago
2008
We present error-correcting codes that achieve the information-theoretically best possible trade-off between the rate and error-correction radius. Specifically, for every 0 < R...
195
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IWC
2007
15 years 6 months ago
2007
In recent years, there has been great interest in scenario-based design and other forms of user-centred design. However, there are many design processes that, often for good reaso...