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180
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CIDM
2007
IEEE
16 years 1 months ago
2007
IEEE
−Document clustering has become an increasingly important task in analyzing huge numbers of documents distributed among various sites. The challenging aspect is to analyze this e...
214
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DASFAA
2007
IEEE
16 years 1 months ago
2007
IEEE
Today, result sets of skyline queries are unmanageable due to their exponential growth with the number of query predicates. In this paper we discuss the incremental re-computation ...
179
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GLOBECOM
2007
IEEE
16 years 1 months ago
2007
IEEE
— Differential Unitary Space-Time Block codes (STBCs) offer a means to communicate on the Multiple Input Multiple Output (MIMO) channel without the need for channel knowledge at ...
139
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GLOBECOM
2007
IEEE
16 years 1 months ago
2007
IEEE
— While the frequency-dependence of the wireless channel may be negligible for narrow to wideband signals, it has been shown that modeling this dependence for bandwidths in exces...
170
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GLOBECOM
2007
IEEE
16 years 1 months ago
2007
IEEE
This paper addresses initial ranging (uplink synchronization and power control) for TDD OFDMA systems. Exploiting the channel knowledge from the downlink channel together with ini...