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Design of 5G antenna arrays based on Multi-directivity
Linnaeus University, Faculty of Technology, Department of Physics and Electrical Engineering.
Linnaeus University, Faculty of Technology, Department of Physics and Electrical Engineering.
2020 (English)Independent thesis Advanced level (degree of Master (Two Years)), 20 credits / 30 HE creditsStudent thesis
Abstract [en]

As communication technology evolves, the focus shifts to 5G. The discussion of 5G cannot be separated from a discussion of related antenna systems. Chapter 1 is a brief introduction to our work, which is an antenna array for a 5G communication system operating in the band 3.4 to 3.8 GHz. This is a common band for 5G in Europe. Background and theory are presented in Chapters 2 and 3. In Chapter 4, the design has been simulated with the software CST Studio Suite. We study an antenna group that consists of four linear arrays that together cover all directions. The gain eventually reaches 12dB in each of the main directions after optimization. Based on simulation, this gain could be implemented as described in Chapter 5. The specification requires that the antenna should have four main directions with high directivity and a reasonable performance elsewhere. The realized gain is 11 dB for the four main directions. Our data shows that the arrays have two different work modes depending on feeding: one as a directive antenna with 11 dB gain, the other as an omnidirectional antenna with 7.5 dB gain. High directivity is very important for 5G communication. A summary with conclusions is given in Chapter 6 where also some improvements are suggested.

Place, publisher, year, edition, pages
2020. , p. 51
Keywords [en]
5G, antenna array, microstrip, feed network
National Category
Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:lnu:diva-95135OAI: oai:DiVA.org:lnu-95135DiVA, id: diva2:1430979
External cooperation
Shanghai Radiation Communication Electronics Ltd
Subject / course
Electrical Engineering
Educational program
Electrical Engineering with specialisation in Signal Processing & Wave Propagation, Master Programme, 120 credits
Presentation
2020-05-18, Linnaeus University, Växjö, 09:00 (English)
Supervisors
Examiners
Available from: 2020-05-19 Created: 2020-05-18 Last updated: 2020-05-19Bibliographically approved

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CiteExportLink to record
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Citation style
  • apa
  • ieee
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  • de-DE
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  • en-US
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  • nn-NO
  • nn-NB
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  • Other locale
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Output format
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  • asciidoc
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