NDLI: Implementation of FPGA based fast DOA estimator using unitary MUSIC algorithm [cellular wireless base station applications]

Content Provider	IEEE Xplore Digital Library
Author	Minseok Kim Ichige, K. Arai, H.
Copyright Year	2004
Description	Author affiliation: Graduate Sch. of Eng., Yokohama Nat. Univ., Japan (Minseok Kim; Ichige, K.; Arai, H.)
Abstract	This paper proposes the practical implementation of a DOA estimation system, using an FPGA (field programmable gate array), that is a key technique in the realization of the DOA-based adaptive array antenna for cellular wireless base-stations. It incorporates the spectral unitary MUSIC (multiple signal classification) algorithm, which is one of the representative super resolution DOA estimation techniques. This paper describes the DSP design and real hardware implementation of the unitary MUSIC algorithm. This system achieves a high performance in the eigenvalue decomposition (EVD) and MUSIC angular spectra computation with a cyclic Jacobi processor based on CORDIC (coordinate rotation digital computer) and spatial DFT (discrete Fourier transform), respectively. All DSP functions are computed by only fixed-point operation with finite bit-length to meet the requirements of fast processing and low power consumption due to the simplified and optimized architecture.
Starting Page	213
Ending Page	217
File Size	368888
Page Count	5
File Format	PDF
ISBN	0780379543
ISSN	10903038
DOI	10.1109/VETECF.2003.1285009
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2003-10-06
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Field programmable gate arrays Direction of arrival estimation Multiple signal classification Base stations Adaptive arrays Antenna arrays Digital signal processing High performance computing Discrete Fourier transforms Classification algorithms
Content Type	Text
Resource Type	Article

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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