DESIGN OF A MULTIBAND ANTENNA FOR PORTABLE BROADCASTING SERVICES
- Title
- DESIGN OF A MULTIBAND ANTENNA FOR PORTABLE BROADCASTING SERVICES
- Author
- 류광우
- Alternative Author(s)
- RYU, KWANGWOO
- Advisor(s)
- 최재훈
- Issue Date
- 2008-02
- Publisher
- 한양대학교
- Degree
- Master
- Abstract
- In this thesis, two compact antennas for TDMB and DVB-H / DAB bands are proposed for portable broadcasting services.
A proposed antenna for TDMB is asymmetric dipole antenna using meandered structure and chip inductance, occupying a total volume of 7 × 7 × 100㎣. The length of antenna is about 0.06λ at the TDMB resonance frequency of 190 MHz. The proposed antenna has two resonance frequencies and covers the TDMB band of 174 MHz ~ 216 MHz in Korea. The antenna has good impedance bandwidth and radiation characteristics for the TDMB.
DVB-H / DAB antenna is a monopole type antenna with long and short bar-shape metal plates, occupying a total volume 7 × 7 × 130㎣. By adjusting the gap distance between the long and short bar-shape metal plates, wide and dual band properties are achieved. The proposed antenna shows good impedance and radiation characteristics for DVB-H band (470 MHz ~ 870 MHz) and DAB band (1.45 GHz ~ 1.48 GHz). The measured return losses over the frequency band of interest are better than 10 dB. In addition, good radiation patterns are also obtained.
- URI
- https://repository.hanyang.ac.kr/handle/20.500.11754/147243http://hanyang.dcollection.net/common/orgView/200000407938
- Appears in Collections:
- GRADUATE SCHOOL[S](대학원) > ELECTRONICS AND COMPUTER ENGINEERING(전자컴퓨터통신공학과) > Theses (Master)
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