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116
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TWC
2008
15 years 4 months ago
2008
Multiuser downlink beamforming under quality of service (QoS) constraints has attracted considerable interest in recent years, because it is particularly appealing from a network o...
142
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TWC
2008
15 years 4 months ago
2008
Abstract--In this paper, the flow-level performance of opportunistic scheduling in orthogonal frequency division multiplexing (OFDM) networks is studied. The analysis accounts for ...
135
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CN
2004
15 years 4 months ago
2004
: This paper is based on the discussion during a panel that took place at the 7th Workshop on Feature Interactions in Telecommunications and Software Systems in Ottawa, Canada, Jun...
138
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COMPSEC
2004
15 years 4 months ago
2004
Traditionally, creation and revocation of certificates are governed by policies that are carried manually, off-line, by trusted agents. This approach to certificate management is ...
130
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COMPUTER
2004
15 years 4 months ago
2004
and services. Abstract goods and services such as pictures, speech, and music--which have in the past been relatively awkward to deal with as analog data--have, through digital tec...