The ultra-miniature base station antenna providing high isolation and MIMO주파수 격리도가 높은 초소형 MIMO 제공 기지국용 안테나

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Since many kinds of wireless communication devices are miniaturized and popularized recently, wireless communication environment should be provided properly anywhere. In existing base station environment, "blind area" where electromagnetic wave cannot propagate properly and the area where data traffic is concentrated can exist. Therefore, it is more advantageous to install a number of "femto-cell"s, than to install unnecessary "macro-cell"s. In other words, it is necessary to research small base station antenna for better wireless communication environment. In this thesis, the research about ultra-miniature base station antenna is described in detail. The ultra-miniature base station antenna is started to simple crossed bow-tie antenna. By modifying the current path, it can have more good performances. After that, using proper transformation and arrangement of radiator, it can have high performance for femto-cell antenna. Finally, I extended to 4x4 MIMO antenna on the basis of "Unit" antenna. In the case of "Unit" antenna, the size of unit antenna is . In the case of 4x4 MIMO antenna that is integrated four "Unit" antennas, the total size of the antenna is . This thesis describes the "Unit" antenna design, the "Unit" antenna simulation, the 4x4 MIMO antenna design, and the 4x4 MIMO simulation results. Also, the comparison result with the actual produced antenna is written additionally.
Advisors
Park, Seong-Ookresearcher박성욱
Description
한국과학기술원 : 전기및전자공학과,
Publisher
한국과학기술원
Issue Date
2013
Identifier
513376/325007  / 020113650
Language
eng
Description

학위논문(석사) - 한국과학기술원 : 전기및전자공학과, 2013.2, [ v, 70 p. ]

Keywords

Base Station Antenna; High Isolation; 4x4 MIMO; 기지국용 안테나; 높은 주파수 격리도; 4x4 미모; 펨토셀; Femto-cell

URI
http://hdl.handle.net/10203/180972
Link
http://library.kaist.ac.kr/search/detail/view.do?bibCtrlNo=513376&flag=dissertation
Appears in Collection
EE-Theses_Master(석사논문)
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