DocumentCode :
3718470
Title :
Isolation technique using the A/4 Stub RF Choke for the mobile MIMO system
Author :
Seonho Lim;Woo Cheol Choi;Young Joong Yoon;Kenny Seungwoo Ryu
Author_Institution :
Department of Electrical and Electronic Engineering, Yonsei University Seoul, Republic of Korea
fYear :
2015
fDate :
3/1/2015 12:00:00 AM
Firstpage :
164
Lastpage :
167
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.
Keywords :
"Inductors","Radio frequency","Antenna radiation patterns","MIMO","Slot antennas","Mobile antennas"
Publisher :
ieee
Conference_Titel :
Antenna Technology (iWAT), 2015 International Workshop on
Type :
conf
DOI :
10.1109/IWAT.2015.7365362
Filename :
7365362
Link To Document :
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