Sunday 31 August 2008

Wseas Transactions

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Transactions: WSEAS TRANSACTIONS ON COMMUNICATIONS
Transactions ID Number: 27-362
Full Name: Saran Kampeephat
Position: Student
Age: ON
Sex: Male
Address: Suranaree University of Technology 111 University Avenue, Muang District, Nakhon Ratchasima 30000
Country: THAILAND
Tel: -
Tel prefix: -
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E-mail address: M5040100@g.sut.ac.th
Other E-mails: saran_kampeephat@hotmail.com
Title of the Paper: Gain and Pattern Improvements of Array Antenna using MSA with Asymmetric T-shaped Slit Loads
Authors as they appear in the Paper: Saran Kampeephat, Piyaporn Krachodnok, Monthippa Uthansakul, Rangsan Wongsan
Email addresses of all the authors: M5040100@g.sut.ac.th, rangsan@sut.ac.th
Number of paper pages: 10
Abstract: This paper presents a 1x4 array antenna using asymmetric T-shaped slit loaded microstrip antenna (MSA). The antenna consists of four MSAs align vertically on a dielectric substrate and ground plane. This antenna will be utilized in WLAN applications as the commercial panel antenna. A modified array configuration is proposed to further enhance the antenna radiation characteristics and usable bandwidth. The desired patterns of array are improved by adjusting the array element spacing from lamda/2 down to lamda/3. Moreover, alternating of the slit loads positions on each side of some patches in array can control the directive patterns to be symmetric shapes. The measured results of the radiation pattern, input impedance, return loss, VSWR, directive gain, and are also conducted for verification of the IE3D-based simulated results. With good agreement between the simulated and measured results and accordance of the requirements, therefore, this proposed panel antenna i!
s appropriate for the wireless applications.
Keywords: Array Antenna, Directive Gain, Microstrip Antenna, Radiation Patterns, Slit Load
EXTENSION of the file: .pdf
Special (Invited) Session: Directive Gain Array Antenna using MSA with Asymmetric T-shaped Slit Loads
Organizer of the Session: 591-626
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