TY - JOUR N2 - Internet of Things (IoT) will play an important role in modern communication systems. Thousands of devices will talk to each other at the same time. Clearly, smart and efficient hardware will play a vital role in the development of IoT. In this context, the importance of antennas increases due to them being essential parts of communication networks. For IoT applications, a small size with good matching and over a wide frequency range is preferred to ensure reduced size of communication devices. In this paper, we propose a structure and discuss design optimization of a wideband antenna for IoT applications. The antenna consists of a stepped-impedance feed line, a rectangular radiator and a ground plane. The objective is to minimize the antenna footprint by simultaneously adjusting all geometry parameters and to maintain the electrical characteristic of antenna at an acceptable level. The obtained design exhibits dimensions of only 3.7 mm × 11.8 mm and a footprint of 44 mm2, an omnidirectional radiation pattern, and an excellent pattern stability. The proposed antenna can be easily handled within compact communication devices. The simulation results are validated through measurements of the fabricated antenna prototype. L1 - http://www.journals.pan.pl/Content/106312/PDF/10.1515-2017-0047%20paper%2002.pdf L2 - http://www.journals.pan.pl/Content/106312 PY - 2017 IS - No 3 EP - 463–471 DO - 10.1515/mms-2017-0047 KW - compact antennas KW - Internet of Things KW - communication devices KW - numerical optimization KW - footprint-reduction-oriented design A1 - ul Haq, Muhammad Aziz A1 - Kozieł, Sławomir PB - Polish Academy of Sciences Committee on Metrology and Scientific Instrumentation VL - vol. 24 DA - 2017.09.30 T1 - Design Optimization and Trade-Offs of Miniaturized Wideband Antenna for Internet of Things Applications SP - 463–471 UR - http://www.journals.pan.pl/dlibra/publication/edition/106312 T2 - Metrology and Measurement Systems ER -