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IET Microwaves, Antennas & Propagation
Article . 2013 . Peer-reviewed
License: Wiley Online Library User Agreement
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Co‐operating retrodirective system

Authors: Fusco, Vincent; Chan, Pak;

Co‐operating retrodirective system

Abstract

Practical demonstration of the operational advantages gained through the use of a co‐operating retrodirective array (RDA) basestation and Van Atta node arrangements is discussed. The system exploits a number of inherent RDA features to provide analogue real time multifunctional operation at low physical complexity. An active dual‐conversion four element RDA is used as the power distribution source (basestation) while simultaneously achieving a receive sensitivity level of −109 dBm and 3 dB automatic beam steering angle of ±45°. When mobile units are each equipped with a semi‐passive four element Van Atta array, it is shown mobile device orientation issues are mitigated and optimal energy transfer can occur because of automatic beam formation resulting from retrodirective self‐pointing action. We show that operation in multipath rich environments with or without line of sight acts to reduce average power density limits in the operating volume with high energy density occurring at mobile nodes sites only. The system described can be used as a full duplex ASK communications link, or, as a means for remote node charging by wireless means, thereby enhancing deployment opportunities between un‐stabilised moving platforms.

Country
United Kingdom
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/dk/atira/pure/subjectarea/asjc/2200/2208, name=Electrical and Electronic Engineering, 620, 004

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    6
    popularity
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    influence
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Powered by OpenAIRE graph
Found an issue? Give us feedback
selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
6
Average
Top 10%
Average
Published in a Diamond OA journal