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Size Reduction of 4 × 4 Butler Matrix Using Defected Microstrip Structure

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Emerging Trends in Computing and Communication

Part of the book series: Lecture Notes in Electrical Engineering ((LNEE,volume 298))

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Abstract

The paper presents a design of a 4 × 4 planar Butler matrix for an operating frequency of 2.4 GHz which can be used for WLAN applications. Defected Microstrip Structures (DMSs) have been introduced with conventional microstrip line for the design of compact phase shifter. The parametric study of different size DMSs for the desired length of microstrip line has been done. Then the optimized dimension of microstrip line with DMS is calculated and simulated to obtain the required phase shift at the operating frequency. The proposed Butler matrix has been designed using glass epoxy (FR4) substrate with height 1.59 mm and dielectric constant 4.4 and simulated by method of moment (MoM) based IE3D electromagnetic simulator. The errors in phase distribution are between 2° and 7°, couplings are in the range −6.53 to −7.84 dB and various losses of the matrix are within tolerable range.

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References

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Author information

Authors and Affiliations

  1. National Institute of Technology, Agartala, India

    Kaushik Debbarma, Tamasi Moyra & Dibakar Yadav

Authors
  1. Kaushik Debbarma
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  2. Tamasi Moyra
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  3. Dibakar Yadav
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Corresponding authors

Correspondence to Kaushik Debbarma , Tamasi Moyra or Dibakar Yadav .

Editor information

Editors and Affiliations

  1. Department of Information Technology, BP Poddar Institute of Management and Technology, Kolkata, West Bengal, India

    Sabnam Sengupta

  2. Department of Information Technology, BP Poddar Institute of Management and Technology, Kolkata, West Bengal, India

    Kunal Das

  3. Department of Information Technology, BP Poddar Institute of Management and Technology, Kolkata, West Bengal, India

    Gitosree Khan

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© 2014 Springer India

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Cite this paper

Debbarma, K., Moyra, T., Yadav, D. (2014). Size Reduction of 4 × 4 Butler Matrix Using Defected Microstrip Structure. In: Sengupta, S., Das, K., Khan, G. (eds) Emerging Trends in Computing and Communication. Lecture Notes in Electrical Engineering, vol 298. Springer, New Delhi. https://doi.org/10.1007/978-81-322-1817-3_4

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  • DOI: https://doi.org/10.1007/978-81-322-1817-3_4

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  • Publisher Name: Springer, New Delhi

  • Print ISBN: 978-81-322-1816-6

  • Online ISBN: 978-81-322-1817-3

  • eBook Packages: EngineeringEngineering (R0)

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