30240 search results - page 818 / 6048 » Robust System Design |
235
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CSI
2004
15 years 7 months ago
2004
Due to the popularity of electronic commerce and the maturity of wireless technology, mobile users can access the Internet anytime anywhere without having to physically hook up an...
186
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GLOBECOM
2006
IEEE
16 years 1 months ago
2006
IEEE
Abstract— New blind carrier frequency offset (CFO) estimation methods based on the correlation function of the subchannel signals are presented for OFDM/OQAM systems. The propose...
206
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ICMCS
2006
IEEE
16 years 1 months ago
2006
IEEE
In this paper, a CAPTCHA is presented based on the masking characteristics of the Human Visual System (HVS). Knowing that noise can be masked by high activity regions and showing ...
202
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ISCAS
2003
IEEE
16 years 26 days ago
2003
IEEE
A subspace based blind method is proposed for estimating the channel responses of a multi-user and multi-antenna OFDM uplink system. It gives estimations to all channel responses,...
CORR
2008
Springer
15 years 7 months ago
2008
Springer
Abstract--In this letter, an initial ranging scheme for orthogonal frequency-division multiple-access systems is proposed by which users that intend to establish a communication li...