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Sensing passive object existence within an antenna near field based on return loss

Lookup NU author(s): Waleed Amer, Professor Gui Yun Tian, Dr Charalampos Tsimenidis

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Abstract

© 2014 IEEE. Measuring RF signal strength is crucial in many wireless applications such as spectrum sensing and localization. However signal strength is highly affected by the existence of nearby object and particularly metallic object. This paper suggests the use of change in antenna return loss caused by electromagnetic coupling with nearby object as an indicator for object existence. The antenna itself will act as sensor for nearby metallic object, therefore any distortion in received signal strength due to the object can be identified. Experiments with 2.4GHz dipole antenna is presented and verified with simulation.


Publication metadata

Author(s): Amer W, Tian GY, Tsimenidis C

Publication type: Conference Proceedings (inc. Abstract)

Publication status: Published

Conference Name: 2014 Loughborough Antennas and Propagation Conference (LAPC 2014)

Year of Conference: 2014

Pages: 400-404

Online publication date: 29/12/2014

Acceptance date: 01/01/1900

Publisher: IEEE

URL: https://doi.org/10.1109/LAPC.2014.6996409

DOI: 10.1109/LAPC.2014.6996409

Library holdings: Search Newcastle University Library for this item

ISBN: 9781479936625


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