SPPs-Shared Dual-Band Antenna With Large Frequency Ratio

被引：15
作者：
Chen, Jian-Xin [1 ,2 ]
Cao, Shuai-Hua [1 ]
Zhang, Xue-Feng [1 ,2 ]
机构：
[1] Nantong Univ, Sch Informat Sci & Technol, Nantong 226019, Peoples R China
[2] Nantong Univ, Nantong Res Inst Adv Commun Technol, Nantong 226019, Peoples R China
来源：
IEEE ACCESS | 2020年 / 8卷
关键词：
Surface plasmon polaritons (SPPs); dual-band antenna; large frequency ratio; wideband antenna; planar monopole antenna; low profile; high isolation; WIDE-BAND; LENS ANTENNA; GAIN; MONOPOLE; ARRAY;
D O I：
10.1109/ACCESS.2020.2969274
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
The operating frequency of future communication systems will cover both microwave and millimeter-wave (MMW) bands simultaneously. This paper presents a novel design of spoof surface plasmon polaritons (SPPs) structure-shared dual-band antenna with large frequency ratio, which consists of a planar open sleeve monopole antenna operating at S-band and a taper slot antenna (TSA) at K/Ka-band. In this design, the SPPs structure takes important roles in two aspects: it serves as an equivalent-lens to enhance the gain of TSA and a monopole of the planar open sleeve antenna to keep a low profile. To realize high isolation between the two antennas, a substrate integrated waveguide (SIW) and an integrated coaxial line are designed to feed the TSA and the planar open sleeve monopole antenna respectively. The SPPs-shared antenna shows an enhanced endfire gain of 13.09 dBi in the frequency range of 19.32-32.90 GHz and an omnidirectional gain of 1.06-2.92 dBi over the range of 2.23-3.69 GHz, keeping a compact size. The large frequency ratio of 10.8, low profile and the wide operating bands in both lower and upper frequency ranges can meet many wireless communication applications. Reasonable agreement between the measured and simulated results is observed.
引用
收藏
页码：29132 / 29139
页数：8
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