A Novel Chebyshev Series Fed Linear Array with High Gain and Low Sidelobe Level for WLAN Outdoor Systems

Authors

  • Tang The Toan University of Hai Duong, Haiduong, 170000, Vietnam
  • Nguyen Minh Tran Sungkyunkwan University, Suwon, 16418, KOREA
  • Truong Vu Bang Giang Vietnam National University, Hanoi, 100000, Vietnam

Keywords:

Fan-beam, linear array, low sidelobe

Abstract

In this paper, we propose a novel linear microstrip array antenna with high gain and low sidelobe level (SLL) for outdoor WLAN applications. The array antenna includes of two main parts: a linear array and a reflector. Specifically, the array is linearly constructed with 10 elements; those are placed on Rogers RT/Duroid 5870tm substrate with the dimensions of 422×100×10.15 mm3. Furthermore, to acquire the SLL reduction, a series fed network is designed to have the output signals being proportional to the Chebyshev distributions (with the preset SLL of -30 dB). On the optimization of the single element, Yagi antenna theory is applied by adding two directors above each element to increase its directivity. Additionally, we put a reflector at the back side of the proposed array. Simulation results indicate that the array operates well at 5.5 GHz with the high gain of 17.5 dBi and a low SLL of -26 dB. A prototype has been fabricated and measured to validate the simulation results. Good agreement between simulation and measurement data have been obtained. This proves that the presented array antenna can be a good candidate for WLAN applications.

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Published

2019-08-01

How to Cite

Tang The Toan, Nguyen Minh Tran, & Truong Vu Bang Giang. (2019). A Novel Chebyshev Series Fed Linear Array with High Gain and Low Sidelobe Level for WLAN Outdoor Systems. The Applied Computational Electromagnetics Society Journal (ACES), 34(08), 1143–1151. Retrieved from https://journals.riverpublishers.com/index.php/ACES/article/view/8277

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