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179
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ICC
2008
IEEE
16 years 1 months ago
2008
IEEE
— In this paper, we present a new beamforming scheme for a downlink of multiuser multiple-input multipleoutput (MIMO) communication systems. Recently, a blockdiagonalization (BD)...
176
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MM
2000
ACM
15 years 11 months ago
2000
ACM
The rapid development of Internet has resulted in more and more multimedia in Web content. However, due to the limitation in the bandwidth and huge size of the multimedia data, us...
196
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NSDI
2007
15 years 9 months ago
2007
Networked systems are often evaluated on overlay testbeds such as PlanetLab and emulation testbeds such as Emulab. Emulation testbeds give users great control over the host and ne...
189
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DIMVA
2008
15 years 8 months ago
2008
Abstract. This paper presents a novel framework to substantiate selfsigned certificates in the absence of a trusted certificate authority. In particular, we aim to address the prob...
213
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IQ
2007
15 years 8 months ago
2007
: Motivated by the problem of out-of-shelf (OOS) in retail industry and the emergence of RFID (Radio Frequency Identification) technology, this paper investigates the impact that t...