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» Frequency offset estimation for MB-OFDM-based UWB systems
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TWC
2008
76views more  TWC 2008»
14 years 9 months ago
High Resolution 3-D Angle of Arrival Determination for Indoor UWB Multipath Propagation
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...
Yongwei Zhang, Anthony K. Brown, Wasim Q. Malik, D...
CORR
2008
Springer
53views Education» more  CORR 2008»
14 years 9 months ago
An ESPRIT-based approach for Initial Ranging in OFDMA systems
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...
Luca Sanguinetti, Michele Morelli, H. Vincent Poor
ICC
2007
IEEE
149views Communications» more  ICC 2007»
15 years 4 months ago
Synchronization Signal Design for OFDM Based On Time-Frequency Hopping Patterns
— 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...
Jiann-Ching Guey
VTC
2008
IEEE
146views Communications» more  VTC 2008»
15 years 4 months ago
A Frequency-Domain Correlation Matrix Estimation Algorithm for MIMO-OFDM Channel Estimation
— 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...
Feng Wan, Wei-Ping Zhu, M. N. S. Swamy
ICC
2007
IEEE
15 years 4 months ago
ML CFO and PO Estimation in DCT OFDM Systems under Non-Circular Transmissions
Abstract— Frequency synchronization is one of the most important components in orthogonal frequency-division multiplexing (OFDM) systems. Recently, the discrete cosine transform ...
Tao Cui, Feifei Gao, Arumugam Nallanathan, Chintha...