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

[1]
Tang The Toan, Nguyen Minh Tran, and Truong Vu Bang Giang, “A Novel Chebyshev Series Fed Linear Array with High Gain and Low Sidelobe Level for WLAN Outdoor Systems”, ACES Journal, vol. 34, no. 08, pp. 1143–1151, Aug. 2019.

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Articles