Broadband MIMO antennas for MIMO radar systems

Author

Chan-Chieh Lin ; Tzu-Chun Tang ; Ken-Huang Lin

Author_Institution

Dept. of Electr. Eng., Nat. Sun Yat-Sen Univ., Kaohsiung, Taiwan

fYear

2013

fDate

7-13 July 2013

Firstpage

372

Lastpage

373

Abstract

Methods of reducing both electric and magnetic field coupling for enhancing the isolation in broadband MIMO antenna system is presented. The proposed MIMO antenna consists of two coplanar waveguide (CPW) fed self-complementary antennas (SCAs) and a U-shaped slot is etched on the ground plane. The protruding structure from the ground plane behaves as both the part of the SCA and an isolator when two SCA protruding structures are connected to each other. Furthermore, the U-shaped slot is introduced for isolation enhancement. The proposed MIMO antenna covers the impedance bandwidth of 4-8 GHz (|S11| ≤ -10 dB) and reaches the good isolation (|S21| ≤ -18 dB) in the band of interest to radar systems.

Keywords

MIMO radar; broadband antennas; coplanar waveguides; electromagnetic coupling; radar antennas; CPW; MIMO antenna; MIMO radar systems; SCA; U-shaped slot; bandwidth 4 GHz to 8 GHz; broadband MIMO antennas; coplanar waveguide; impedance bandwidth; magnetic field coupling; self-complementary antennas; Broadband antennas; Broadband communication; Impedance; MIMO; Radar antennas; Slot antennas;

fLanguage

English

Publisher

ieee

Conference_Titel

Antennas and Propagation Society International Symposium (APSURSI), 2013 IEEE

Conference_Location

Orlando, FL

ISSN

1522-3965

Print_ISBN

978-1-4673-5315-1

Type

conf

DOI

10.1109/APS.2013.6710847

Filename

6710847