Alireza Bagheri - Electromagnetic and Antenna Lab., Amirkabir University of Technology, ۴۲۴ Hafez Ave., P.O. Box ۱۵۸۷۵-۴۴۱۳, Tehran, Iran
Amir Jafargholi - Electromagnetic and Antenna Lab., Amirkabir University of Technology, ۴۲۴ Hafez Ave., P.O. Box ۱۵۸۷۵-۴۴۱۳, Tehran, Iran

A new broadband slim microstrip antenna with a narrow ground plane for GPS (1575.42 MHz),Glonass (1600 MHz), GSM (1800 MHz), LTE (1700 MHz), DAB (1452 MHz) and satellite phone(Iridium, 1616-1626.5 MHz; Inmarsat and Ligado, 1525-1646.5 MHz and Thuraya, 1525-1661MHz) applications is proposed. The antenna is comprised of a slim rectangular patch, a shorting pin,and a meander-line structure. Its strip-like shape helps to be easily mounted inside the portabledevices. The antenna has a dimension of approximately 0.43λ×0.02λ×0.008λ while achieving a gainand an efficiency of 2.4 dB and 95%, respectively. Using a defected ground plane the antennaimpedance bandwidth (|S11|<−6 dB) of 32.6% from 1.44 to 2 GHz is observed. In order to validatesimulation results, a prototype of the proposed printed antenna is fabricated and tested. Goodagreement between the simulation and measurement results is obtained.

Broadband Antenna, Defected Ground Plane, Slim Antenna, Internal Antenna, Wireless Communication, Satellite Phone Communications