A Shared-Aperture Multiservice Antenna for Automotive Communications

A new multiservice antenna deploying a modified planar inverted-F antenna (PIFA) and a “Y”-shaped monopole sharing a common aperture is presented in this letter. The modified PIFA is designed for triple-band operation at 1.8, 2.4, and 3.5 GHz suitable for DCS1800, IEEE 802.11b/g/n standards, and Worldwide Interoperability for Microwave Access (WiMAX), respectively. These frequency bands are also of interest in 4G Long Term Evolution (LTE) communication systems. The “Y”-shaped monopole is designed to operate at 5.85 GHz for Electronic Toll, Vehicle-to-Vehicle (V2V), and Vehicle-to-Infrastructure (V2I) communications. The proposed antenna can be easily integrated with the associated printed circuit board (PCB) electronics resulting in low-cost production of antennas for modern automotive wireless communication requirements. The antenna prototype with sample electronic circuit has been fabricated, and the experimental results are presented.