NDLI: Focal Plane Array Receiver for Deep-Space Communication

Content Provider	IEEE Xplore Digital Library
Author	Vilnrotter, V. Britcliffe, M. Hoppe, D.
Copyright Year	2008
Description	Author affiliation: Jet Propulsion Lab., Pasadena, CA (Vilnrotter, V.; Britcliffe, M.; Hoppe, D.)
Abstract	Typical ground antennas intended for use in space communication require large apertures operating at high frequencies. The challenges involved with these applications include achieving the required antenna performance in terms of antenna aperture efficiency and pointing accuracy. The utilization of a focal plane array in place of a standard single mode feed minimizes these problems. This paper discusses the key elements required to implement a focal plane array on a large high frequency antenna. It is shown that adaptive "least mean-square" (LMS) algorithms applied to the output of the array elements obtain the optimum combining weights in realtime, even in the presence of dynamic interference such as nearby spacecraft in array's field-of-view, or planetary radiation. This adaptive optimization capability maximizes the combined output SNR in real time, ensuring maximum data throughput in the communications link when operating in the presence of receiver noise and external interference generally present during planetary encounters.
Starting Page	1
Ending Page	10
File Size	1241798
Page Count	10
File Format	PDF
ISBN	9781424414871
ISSN	1095323X
DOI	10.1109/AERO.2008.4526309
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2008-03-01
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Aperture antennas Frequency Adaptive arrays Interference Feeds Antenna arrays Least squares approximation Space vehicles Near-field radiation pattern Signal to noise ratio
Content Type	Text
Resource Type	Article
Subject	Aerospace Engineering Space and Planetary Science

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
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3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
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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