A Fast DVM Algorithm for Wideband Time-Delay Multi-Beam Beamformers

This paper presents a sparse factorization for the delay Vandermonde matrix (DVM) along with fast, exact, radix-2, and recursive algorithms to compute the DVM-vector product for wideband multi-beam antenna arrays. The proposed algorithms enable low-complexity wideband beamformers in emerging millime...

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Veröffentlicht in:	IEEE transactions on signal processing Jg. 70; S. 1 - 13
Hauptverfasser:	Perera, Sirani M., Lingsch, Levi, Madanayake, Arjuna, Mandal, Soumyajit, Mastronardi, Nicola
Format:	Journal Article
Sprache:	Englisch
Veröffentlicht:	New York IEEE 01.01.2022 The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Schlagworte:	algorithmic complexity Algorithms Antenna arrays Array signal processing Beamforming Broadband Communication networks Complexity Complexity theory Delay Delay Vandermonde matrix Discrete Fourier transforms fast recursive algorithms Integrated circuits millimeter wave Millimeter waves multi-beam beamforming Multibeam antennas Power consumption Radix-2 Signal flow graphs Signal processing Signal processing algorithms Sparse matrices Wideband Wireless communications
ISSN:	1053-587X, 1941-0476
Online-Zugang:	Volltext
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