5350 search results - page 3 / 1070 » Space and time in eco-ontologies |
KDD
2002
ACM
15 years 10 months ago
2002
ACM
102
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GLOBECOM
2006
IEEE
15 years 3 months ago
2006
IEEE
Abstract— We propose low-complexity equalizers for Alamouti space-time coded orthogonal frequency-division multiplexing (OFDM) systems in time- and frequency-selective channels, ...
CORR
2007
Springer
14 years 9 months ago
2007
Springer
Abstract— Space-time codes leverage the availability of multiple antennas to enhance the reliability of communication over wireless channels. While space-time codes have initiall...
ICC
2007
IEEE
15 years 3 months ago
2007
IEEE
— Most of the existing works on space-time block codes (STBC) assume the channels are quasi-static, i.e., they remain invariant within one block. This assumption is not always tr...
103
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VTC
2006
IEEE
15 years 3 months ago
2006
IEEE
Abstract— Studies on differential unitary space-time modulation are mostly focused on Rayleigh fading channels. In this paper we present new analytic results for the maximum-like...