LMS Beamforming Using Pre and Post-FFT Processing for OFDM Communication Systems

The adaptive array antenna is combined with OFDM "orthogonal frequency division multiplexing" as multicarrier technique to combat the flat and frequency selective fading effects at high speed wireless communication. In this paper an optimum weight sets beat informer at time and frequency d...

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Bibliographic Details
Published in2007 National Radio Science Conference pp. 1 - 7
Main Authors Heakle, M.S., Mangoud, M.A., Elnoubi, S.
Format Conference Proceeding
LanguageEnglish
Published IEEE 01.03.2007
Subjects
adaptive array antenna
Adaptive arrays
Adaptive systems
Antenna arrays
Array signal processing
Delay
Fading
Frequency domain analysis
Least squares approximation
LMS beamforming
OFDM
Wireless communication
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Summary:The adaptive array antenna is combined with OFDM "orthogonal frequency division multiplexing" as multicarrier technique to combat the flat and frequency selective fading effects at high speed wireless communication. In this paper an optimum weight sets beat informer at time and frequency domain were obtained based on LMS algorithm. Different aspects of these systems were investigated such as different values of delay spread, angle of arrival of interfering sources and number of array elements.
ISBN:9775031869
9789775031860
DOI:10.1109/NRSC.2007.371352