Research on broadband monopole antenna with parasitic element Vol. 23 ,No . 6 CHINESE JOURNAL OF RADIO SCIENCE December ,2008 Article No. 100520388 ( 2008) 0621079206 Research on broadband monopole antenna with parasitic element Qiu Jinghui☆ Wang Nannan Zhong Lingling Deng Weibo ( Harbin Institute of Technology, Institute of Electronics and Information Technology, Harbin 150001, Heilongjiang)3 Abstract A broadband monopole antenna with parasitic element is proposed and designed. The antenna consists of a monopole antenna with two parasitic elements attached. Simulation and experimental results show that the antenna achieves broadband characteristics while maintaining the characteristics of the monopole antenna. The reflection loss of the antenna is less than -10 dB in the frequency band of 750~2240 MHz, and it has a horizontal omnidirectional pattern and stable gain. The structure and electrical characteristics of the antenna determine that the antenna has broad application prospects. It is very suitable for mobile communication terminal equipment. It will have great potential as a handheld terminal antenna and a vehicle-mounted antenna. Keywords broadband antenna; monopole antenna with parasitic elements; handheld terminal antenna Chinese Library Classification Number TN82 Document Code A Research of wide2band monopole antenna with parasitic elements QIU Jing2hui WANG Nan2nan ZHONG Ling2ling D ENG Wei2bo ( Electronic & Communication Engineering, Harbin Institute of Technology, Harbin Heilongjiang 150001, China) Abstract…
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