73 search results - page 10 / 15 » Frequency offset estimation for MB-OFDM-based UWB systems |
108
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TWC
2008
15 years 3 months ago
2008
Propagation measurements using a large array are used to study the angle of arrival (AOA) across the ultrawideband (UWB) frequency range of 3.1 to 10.6 GHz. A two-dimensional Unita...
46
Voted
CORR
2008
Springer
15 years 3 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...
118
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ICC
2007
IEEE
15 years 10 months ago
2007
IEEE
— In an OFDM system, channel estimation can be considered as sampling the time-frequency response of the channel through a number of known pilot symbols placed across the time-fr...
117
Voted
VTC
2008
IEEE
15 years 10 months ago
2008
IEEE
— The second-order statistics of a time-domain signal are very often used in blind and semi-blind channel estimation. Considering that the received signal in MIMO-OFDM systems mi...
123
Voted
ICC
2007
IEEE
15 years 10 months ago
2007
IEEE
Abstract— Frequency synchronization is one of the most important components in orthogonal frequency-division multiplexing (OFDM) systems. Recently, the discrete cosine transform ...