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초록
A novel antenna design method for controlling resonance frequencies is presented. This method can be realised by simply inserting a spiral inductance and a gap capacitance into a conventional loop-type antenna, and this technique remarkably enhances an impedance bandwidth without increasing the antenna size. The proposed antenna has been designed to have 530 MHz (975-1505 MHz) and 150 MHz (2410-2560 MHz) dual bands (VSWR = 2.5), and can be effectively used as an internal antenna for global system for mobile communications (GSM) and Bluetooth bands. These wideband characteristics provide a critical advantage because the shift of an antenna operation frequency increases when it is near various other components.
키워드
Cellular telephone systems; Global system for mobile communications; Natural frequencies; Wireless telecommunication systems; Mobile antennas; Antenna design; Antenna operation; Antenna size; Bluetooth band; Dual Band; Gap capacitance; Impedance bandwidths; Internal antennas; Resonance frequencies; Wideband characteristics; Wideband operation
- 제목
- Controlling resonance frequencies in antennas to achieve wideband operation
- 저자
- Choi, Hyengcheul; Jeon, Sinhyung; Kim, Seungwoo; Kim, Hyeong dong
- 발행일
- 2009-07
- 유형
- Article
- 권
- 45
- 호
- 14
- 페이지
- 716 ~ U13