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Acta Armamentarii ›› 2016, Vol. 37 ›› Issue (12): 2284-2292.doi: 10.3969/j.issn.1000-1093.2016.12.014

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Research and Design of a Dual-mode Tri-band Antenna for BDS Navigation and Integrated UHF Communication Terminal

WANG Dan-qing, LI Ping, ZHU Yong-zhong   

  1. (Department of Information Engineering, Engineering University of PAP, Xi'an 710086, Shaanxi, China)
  • Received:2016-05-10 Revised:2016-05-10 Online:2017-02-20
  • Contact: WANG Dan-qing E-mail:wangqingqing620@126.com

Abstract: In order to satisfy the requirements of communication terminal in an individual soldier combat system for navigation and ultra-high frequency (UHF) communication, a novel antenna for the individual soldier communication terminal is proposed, which is compatible with navigation and UHF communication functions. A novel capacitors loaded-FPQHA is designed by loading series capacitors at the top of folded printed quadrifilar helix antenna (FPQHA), which realizes the coverage of B1 and B3 bands for Beidou satellite navigation system (BDS). The proposed antenna has a compact structure and can be tuned conveniently by adjusting the capacitance values. Given that the current UHF radios typically employ an external whip antenna for communication, the proposed capacitors loaded-FPQHA is coaxially located with the existing monopole antenna, which reduces occupation of antenna system on the terminal, and the compatibility issue is solved through structure optimization, especially with a sleeve added around the monopole. The proposed antenna can be easily integrated with existing individual soldier system and reduce the maintenance costs. It satisfies the performance requirements of high-precision BDS navigation in warfare, and UHF communication is also supported.

Key words: ordnance science and technology, quadrifilar helix antenna, sleeve monopole antenna, Beidou satellite navigation system, ultra-high frequency communication

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