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D. R. Jackson, J. T. Williams and A. K. Bhattacharyya, “Microstrip Patch Designs That do Not Excite Surface Waves,” IEEE Transactions on Antennas and Propagation, Vol. 41, No. 8, 1993, pp. 1026-1037. doi:10.1109/8.244643

has been cited by the following article:

• TITLE: Rectangular Microstrip Antenna with Air Cavity for High Gain and Improved Front to Back Ratio

  AUTHORS: Kaushik Malakar, Jaydeep Nandi, Souvik Mitra, Prasanta Kumar Gorai, Sudipta Chattopadhyay, Sandip Banerjee

  KEYWORDS: Air Cavity, Front to Back Radiation, High Gain, Microstrip Antenna

  JOURNAL NAME: Journal of Electromagnetic Analysis and Applications, Vol.3 No.9, September 28, 2011

  ABSTRACT: A rectangular microstrip patch antenna using conventional Poly Tetra Fluride Ethelene (PTFE) substrate with air cavity is proposed and theoretically investigated. Considerably high gain along with improved front to back radiation isolation is demonstrated using such proposed antenna. The radiation performance of this new antenna has been compared to a conventional microstrip patch for some commonly used aspect ratios (width to length ratio). Compared to conventional microstrip antenna the proposed configuration shows more than 12% increment in peak gain and more than 10% increment in front to back radiation performance in each set of aspect ratio. The elucidation of such improvement in the radiation characteristics of the proposed antenna is also presented.