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176
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VTC
2008
IEEE
16 years 12 days ago
2008
IEEE
— In this paper, we propose a two-step precoding approach for multiple-input multiple-output (MIMO) systems by dividing the precoding process into two steps: spatial multiplexing...
141
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SACRYPT
2007
Springer
16 years 4 days ago
2007
Springer
The diversity of methods for fast collision search in SHA-1 and similar hash functions makes a comparison of them difficult. The literature is at times very vague on this issue, wh...
164
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ECAL
2003
Springer
15 years 11 months ago
2003
Springer
Abstract. Path integration is a widely used method of navigation in nature whereby an animal continuously tracks its location by integrating its motion over the course of a journey...
157
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ICRA
2000
IEEE
15 years 10 months ago
2000
IEEE
In this paper a new time-stepping method for simulating systems of rigid bodies is given. Unlike methods which take an instantaneous point of view, our method is based on impulse-m...
144
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INFOCOM
2000
IEEE
15 years 10 months ago
2000
IEEE
ln thippaper,weinvestigatethetra"ion ofH.263 video sequencesoverwireIessnetworkswith errorrecoveryprovided by a twostep adaptivehybrid ARQ schemeusingRS codes. Each videoframe...