NDLI: A new sampling scheme for digital phased arrays

Content Provider	IEEE Xplore Digital Library
Author	Blanco, R. Manteghi, M.
Copyright Year	2013
Description	Author affiliation: Bradley Dept. of Electr. & Comput. Eng., Virginia Tech, Blacksburg, VA, USA (Blanco, R.; Manteghi, M.)
Abstract	A novel sampling scheme for digital phased array antennas is proposed in this paper. This technique allows us to reduce the number of analog paths to one and simplify the required processing power especially for large arrays. All the elements of an array receive the same copy of the desired signal (similar information) with different delay (unique information). We try to eliminate the common information collected by different elements and collect only the unique information, so the proposed scheme works for a desired single beam case. A mathematical derivation which shows that the array factor extracted from the resulting signal through this technique is identical to the traditional array factor is presented. Different steering angles have been applied using this new technique and the results are compared to the traditional array theory showing great agreement. Afterwards, the effect of different sampling time is studied and simulated.
Starting Page	109
Ending Page	110
File Size	360477
Page Count	2
File Format	PDF
ISSN	15223965
e-ISBN	9781467353175
DOI	10.1109/APS.2013.6710715
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-07-07
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Phased arrays Antenna radiation patterns Array signal processing Radio frequency Directive antennas Microwave antenna arrays
Content Type	Text
Resource Type	Article

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