NDLI: Correlation processing and its use to mitigate the effects of multipath and other interfering signals in antenna ranges

Content Provider	IET Digital Library
Author	Parsons, John David Leather, Paul S. H.
Abstract	Correlation processing has previously been used in radio communication systems to measure and characterise multipath environments, but it can equally well be applied to the elimination of multipath effects. The authors review the historical development of the technique in the context of its earlier use, and the background to its implementation as a method of eliminating or at least substantially reducing, the effects of multipath in antenna ranges. Correlation processing, which can be implemented either as a one-step, real-time process or used as a post-measurement option, also suppresses the effects of coherent and non-coherent interfering signals, so that the accuracy of antenna pattern measurement is greatly improved. At centimetre and millimetre wavelengths, it is possible to make accurate measurements in a normal laboratory environment without the need for an anechoic chamber. A simple proof-of-concept practical system is described, and example results are presented to demonstrate the validity of the technique and to compare it with time gating.
Starting Page	1267
Ending Page	1273
Page Count	7
ISSN	17518725
Volume Number	11
e-ISSN	17518733
Issue Number	Issue 9, Jul (2017)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-map/11/9
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-map.2016.0557
Journal	IET Microwaves, Antennas & Propagation
Publisher Date	2017-03-24
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Antenna Pattern Measurement Antenna Radiation Pattern Antenna Ranges Coherent Interfering Signal Effects Suppression Correlation Method Correlation Processing Electromagnetic Compatibility Interference Interference Suppression Multipath Effect Mitigation Noncoherent Interfering Signal Effect Suppression One-step Real-time Process Radiocommunication System Signal Processing And Detection Single Antenna
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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