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Dual‐band and dual‐circularly polarized microstrip antenna with low elevation gain improvement for CNSS applications
Author(s) -
Yang Xiaojie,
Yuan Jiade
Publication year - 2016
Publication title -
microwave and optical technology letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.304
H-Index - 76
eISSN - 1098-2760
pISSN - 0895-2477
DOI - 10.1002/mop.29729
Subject(s) - multi band device , microstrip antenna , antenna gain , elevation (ballistics) , microwave , antenna (radio) , compass , patch antenna , engineering , electrical engineering , electronic engineering , optics , optoelectronics , physics , coaxial antenna , telecommunications , structural engineering , quantum mechanics
A dual band and dual circularly polarized (CP) microstrip antenna with low elevation gain improvement for China's Compass Navigation Satellite System (CNSS) is proposed in this letter. The nested structure patches fed by capacitive‐coupled discs to achieve the dual band performance. The dual CP performance is obtained by adopting a 3dB hybrid coupler. The key design is four copper sheets which are set up to improve the low elevation gain. Details of the proposed antenna design and results are presented and discussed. © 2016 Wiley Periodicals, Inc. Microwave Opt Technol Lett 58:1016–1022, 2016