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- Title
A Compact Dual Band-Rejected MIMO Vivaldi Antenna for UWB Wireless Applications.
- Authors
Deng-Hui Li; Fu-Shun Zhang; Li-Xin Cao; Yi Zhao
- Abstract
In this paper, a novel compact dual band-rejected ultra-wideband (UWB) multiple-input multiple-output (MIMO) Vivaldi antenna is introduced and fabricated. The MIMO antenna with a small size of 26 × 28mm² contains a modified ground plane and two microstrip-slot balun structures. A T-slot is etched on the ground to achieve miniaturization and high isolation, and the simulated |S11| of -10 dB impedance bandwidth is from 2.7 to 10.9GHz. An isolation of better than 15 dB is acquired over the UWB range (3.1-10.6 GHz). Meanwhile, by introducing two split ring resonator (SRR) slits on the ground and adding two split ring resonators (SRRs) close to the microstrip-slot balun structures, dual band rejection at both WLAN (5.15-5.85 GHz) and IEEE INSAT/Super-Extended C-band (6.7-7.1GHz) can be achieved. The MIMO antenna has high gain and very low envelop correlation coefficient (ECC < 0.02). The measured results agree with the simulated ones, demonstrating that the UWB MIMO Vivaldi antenna is suitable for the UWB diversity applications.
- Subjects
INSTITUTE of Electrical &; Electronics Engineers; ULTRA-wideband antennas; IEEE 802.16 (Standard); ULTRA-wideband devices; RESONATORS; ANTENNAS (Electronics); STATISTICAL correlation
- Publication
Progress in Electromagnetics Research Letters, 2019, Vol 86, p97
- ISSN
1937-6480
- Publication type
Article
- DOI
10.2528/pierl19062506