DocumentCode :
3324900
Title :
Multi-beamforming with uniform linear array and algebraic integer quantization based DCT
Author :
Gias, Ziad ; Hasan, Md Mehedi ; Wahid, Khan
Author_Institution :
Dept. of Electr. & Comput. Eng., Univ. of Saskatchewan, Saskatoon, SK, Canada
fYear :
2015
fDate :
24-27 May 2015
Firstpage :
2616
Lastpage :
2619
Abstract :
Aperture arrays are widely used in beamforming applications where element signals are steered to a particular direction of interest and a single beam is formed. Multi-beamforming is an extension of single beamforming which is desired in the fields where sources located in multiple directions are of interest. Discrete Fourier Transform (DFT) is usually used in these scenarios to segregate the received signals based on their direction of arrivals. In this work, instead of DFT, the Discrete Cosine Transform (DCT) is used and an efficient implementation technique using Decomposed Algebraic Integer Quantization (DAIQ) is proposed for error-free and multiplier-less implementation of the DCT. Its performance for beamforming application is also studied.
Keywords :
aperture antennas; array signal processing; discrete cosine transforms; linear antenna arrays; quantisation (signal); DAIQ; aperture array; decomposed algebraic integer quantization based DCT; direction of arrival; discrete Fourier Transform; discrete cosine transform; multibeamforming; uniform linear array; Apertures; Approximation algorithms; Approximation methods; Array signal processing; Arrays; Discrete cosine transforms; Quantization (signal);
fLanguage :
English
Publisher :
ieee
Conference_Titel :
Circuits and Systems (ISCAS), 2015 IEEE International Symposium on
Conference_Location :
Lisbon
Type :
conf
DOI :
10.1109/ISCAS.2015.7169222
Filename :
7169222
Link To Document :
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