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학술지 Multi-Band and Multi-Polarised Reconfigurable Antenna for Next Generation Mobile Communication Base-Station Applications
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저자
최성웅, 정영배, 박성욱
발행일
201307
출처
IET Microwaves, Antennas and Propagation, v.7 no.10, pp.819-824
ISSN
1751-8725
출판사
IET
DOI
https://dx.doi.org/10.1049/iet-map.2012.0157
협약과제
13PR2900, DTV를 활용한 Wake-up 긴급경보 방송시스템 기술개발, 김흥묵
초록
A novel multi-band reconfigurable antenna for a mobile base-station is proposed. This antenna can be operated in three bands using three radiators, but the radiators are physically combined into one body in consideration of size reduction and optimal performance. Radiator 1 is a square patch structure and is operated in 0.824-0.894 GHz for cellular service. Radiator 2 provides multiple mobile services in 1.75-2.48 GHz for personal communication service (PCS), wideband code division multiple access (WCDMA), world interoperability for microwave access (WiMAX) and WiFi, and thus has a wideband characteristic using a printed dipole structure. Finally, radiator 3 has a stacked structure composed of a radiating and a parasitic patch in 3.3-3.6 GHz for WiMAX2. Radiator 1 has a cylindrical cavity in the centre of the patch, and is designed not to degrade electrical performance, and radiator 3 is embedded in the cavity of radiator 1. Radiator 2 is composed of four printed dipoles and is vertically stacked on radiator 1 around radiator 3 with a rectangular formation. All radiators can provide dual-polarisation using multi-ports controlled by a switching circuit with a control program. In the switching circuit, there are two MEMS switches for band selection. Using the proposed structure, the authors realise a novel multi-functional reconfigurable antenna using three individual radiators. © The Institution of Engineering and Technology 2013.
KSP 제안 키워드
6 GHz, 94 GHz, Band selection, Code division Multiple Access(CDMA), Control program, MEMS Switch, Mobile Base, Mobile services, Next Generation Mobile Communication, Personal communication services, Reconfigurable antenna