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A Digital PLL Based Downmix and Phase Detection Unit for Retro-Directive Antenna Systems

Winterstein, Andreas and Dreher, Achim (2016) A Digital PLL Based Downmix and Phase Detection Unit for Retro-Directive Antenna Systems. In: 2016 IEEE International Symposium on Phased Array Systems and Technology, pp. 1-6. 2016 IEEE International Symposium on Phased Array Systems and Technology, 18.-21. Okt. 2016, Boston, USA. DOI: 10.1109/ARRAY.2016.7832634 ISBN 978-1-5090-1447-7

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Abstract

Retro-directive antennas are a promising technique for communication systems as they provide self-tracking of moving terminals. However, classic implementations are only able to re-transmit a received message and/or suffer from small realizable frequency gaps between received and transmitted signals. Recently, an analog system architecture based on phaselocked loops (PLLs) has been proposed which allows for large frequency gaps, different array geometries, and makes use of the array receive gain. In this work, we show a digital implementation of the proposed retro-directive transceiver which can be realized on a field-programmable gate array (FPGA). We demonstrate the phase detection and downmix performance by digital hardware simulation. The dynamic system behavior is shown in time domain. Suitability for communication systems is analyzed by subjecting the system to modulated signals.

Item URL in elib:https://elib.dlr.de/101700/
Document Type:Conference or Workshop Item (Speech)
Title:A Digital PLL Based Downmix and Phase Detection Unit for Retro-Directive Antenna Systems
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Winterstein, AndreasIKNUNSPECIFIED
Dreher, AchimUNSPECIFIEDUNSPECIFIED
Date:20 October 2016
Journal or Publication Title:2016 IEEE International Symposium on Phased Array Systems and Technology
Refereed publication:No
Open Access:Yes
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
DOI :10.1109/ARRAY.2016.7832634
Page Range:pp. 1-6
Editors:
EditorsEmail
UNSPECIFIEDIEEE
ISBN:978-1-5090-1447-7
Status:Published
Keywords:Phased array, retro-directive array, phase-locked loop, communications
Event Title:2016 IEEE International Symposium on Phased Array Systems and Technology
Event Location:Boston, USA
Event Type:international Conference
Event Dates:18.-21. Okt. 2016
Organizer:IEEE
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:Communication and Navigation
DLR - Research area:Raumfahrt
DLR - Program:R KN - Kommunikation und Navigation
DLR - Research theme (Project):R - Vorhaben Multimedia Satellitennetze
Location: Oberpfaffenhofen
Institutes and Institutions:Institute of Communication and Navigation > Navigation
Deposited By: Winterstein, Dipl.-Ing. Andreas
Deposited On:14 Feb 2017 15:12
Last Modified:31 Jul 2019 19:59

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