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Investigation and Implementation of Coexistence Tool for Antennas
Linköping University, Department of Electrical Engineering, Communication Systems. Linköping University, The Institute of Technology.
2014 (English)Independent thesis Advanced level (degree of Master (Two Years)), 20 credits / 30 HE creditsStudent thesis
Abstract [en]

With the increase of the number of radios and antennas on today’s systems, the risk of co-site interference is very high. Intermodulation product and antenna coupling are two common sources of interference. The thesis investigates some features of a radio system, like antenna types, receiver parameters, intermodulation products and isolation, and suggests how this knowledge can be used to minimize the risk of co-site interference. The goal is to maximize the isolation between the antennas, by good frequency planning, the use of filters and taking great care in antenna placement. A first version of an analysis software was developed where transmitters and receivers can be paired and evaluated. An intermodulation product calculator was also implemented, to easily find which products are an issue and where they originate. The goal of the software is to be simple to use and easy to adapt to different setups and situations. It should also be easy to upgrade with new features.

Place, publisher, year, edition, pages
2014. , 42 p.
Keyword [en]
radio, antenna, co-site interference
National Category
Communication Systems
URN: urn:nbn:se:liu:diva-112797ISRN: LiTH-ISY-EX--14/4785--SEOAI: diva2:772435
External cooperation
Subject / course
Communication Systems
Available from: 2014-12-19 Created: 2014-12-16 Last updated: 2014-12-19Bibliographically approved

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fulltext(5348 kB)256 downloads
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