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DESIGN OF AN ULTRA-WIDEBAND MIMO ANTENNA FOR PDA APPLICATIONS
- Authors
- Lee, Jaewon; Hong, Seokjin; Choi, Jaehoon
- Issue Date
- Oct-2010
- Publisher
- WILEY
- Keywords
- antenna; MIMO; ultra-wideband
- Citation
- MICROWAVE AND OPTICAL TECHNOLOGY LETTERS, v.52, no.10, pp.2165 - 2170
- Indexed
- SCIE
SCOPUS
- Journal Title
- MICROWAVE AND OPTICAL TECHNOLOGY LETTERS
- Volume
- 52
- Number
- 10
- Start Page
- 2165
- End Page
- 2170
- ISSN
- 0895-2477
- Abstract
- A low-profile, ultra-wideband (UWB), multi-input multi-output (MIMO) antenna for a personal digital assistant application is proposed. To improve the impedance bandwidth, a 2 mm x 1 mm connecting strip is used on each antenna element. The isolation characteristic between the two antenna elements is improved by inserting two T-shaped stubs. The optimized design parameters were obtained through parametric analysis. The designed antenna has a 10-dB return loss bandwidth of 9 GHz (2.2-11.2 GHz) covering the WiBro, Bluetooth, WiMax, S-DMB, and UWB frequency bands, with an isolation characteristic below -20 dB over the operating frequency. Additionally, the envelope correlation coefficient is less than 0.12.
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