4445 search results - page 418 / 889 » Reflective Authorization Systems |
183
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ICC
2008
IEEE
16 years 2 months ago
2008
IEEE
QR decomposition (QRD)-based precoded MIMO-OFDM systems with reduced feedback are proposed to convert the MIMO-OFDM channel into layered subchannels. QRD-M is further combined wit...
187
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TABLETOP
2008
IEEE
16 years 2 months ago
2008
IEEE
The WeSpace is a long-term project dedicated to the creation of environments supporting walkup and share collaboration among small groups. The focus of our system design has been ...
249
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WCNC
2008
IEEE
16 years 2 months ago
2008
IEEE
Hybrid automatic repeat-request (HARQ) is critical to an IEEE 802.16e OFDMA network, as it can significantly improve the reliability of wireless link. However, as revealed by our...
205
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WETICE
2008
IEEE
16 years 2 months ago
2008
IEEE
The importance of aviation security has increased dramatically in recent years. Frequently changing regulations and the need to adapt quickly to new and emerging threats are chall...
174
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FOCS
2007
IEEE
16 years 1 months ago
2007
IEEE
: We study the computational strength of quantum particles (each of finite dimensionality) arranged on a line. First, we prove that it is possible to perform universal adiabatic q...