Isolation technique using the A/4 Stub RF Choke for the mobile MIMO system

Seonho Lim, Woo Cheol Choi, Young Joong Yoon, Kenny Seungwoo Ryu

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

The isolation technique using the λ /4 Stub RF Choke is proposed in this paper. The isolation technique between two antenna elements is important in order to prevent the edge current cause degradation of the antenna performances. The Radio Frequency choke (RFC) is placed in the middle of two conventional inverted-F antenna elements to improve the isolation between the two antennas. The shape of λ /4 Stub which is connected with the top of the ground plane is changed to reduce its physical size by bending and being burrowed into the ground plane. The MIMO antenna elements are well matched in the range of LTE 2300 (2300 ∼ 2400 MHz) band and have a return loss under-6 dB (VSWR < 3) also, the isolation is lower than-20 dB at the center frequency. The Envelope Correlation Coefficient (ECC) value is under 0.2 which shows that good isolation is achieved.

Original languageEnglish
Title of host publication2015 International Workshop on Antenna Technology, iWAT 2015
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages164-167
Number of pages4
ISBN (Electronic)9781479977178
DOIs
Publication statusPublished - 2015 Dec 23
EventInternational Workshop on Antenna Technology, iWAT 2015 - Seoul, Korea, Republic of
Duration: 2015 Mar 42015 Mar 6

Publication series

Name2015 International Workshop on Antenna Technology, iWAT 2015

Other

OtherInternational Workshop on Antenna Technology, iWAT 2015
CountryKorea, Republic of
CitySeoul
Period15/3/415/3/6

All Science Journal Classification (ASJC) codes

  • Electrical and Electronic Engineering

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    Lim, S., Choi, W. C., Yoon, Y. J., & Ryu, K. S. (2015). Isolation technique using the A/4 Stub RF Choke for the mobile MIMO system. In 2015 International Workshop on Antenna Technology, iWAT 2015 (pp. 164-167). [7365362] (2015 International Workshop on Antenna Technology, iWAT 2015). Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/IWAT.2015.7365362