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An experimental model design of bidirectional communication mobile terminal for Ku-band satellite-internet services
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- Authors
- Ung Hee Park, Young Bae Jung, Jae Seung Yun, Soon Ik Jeon, Chang Ju Kim
- Issue Date
- 2003-10
- Citation
- Vehicular Technology Conference (VTC) 2003 (Fall), pp.2665-2668
- Publisher
- IEEE
- Language
- English
- Type
- Conference Paper
- Abstract
- ETRI has developed an active phased array antenna as an experimental model for use in the mobile satellite-internet services in Ku-band. In this paper, RF transmitter of this phased array antenna system is described, which is one of key components. This RF transmitter consists of TRx duplexer, 1:10 power divider and ten channels including Tx active channel block and antenna. Each subarray is fabricated with 8/spl times/4 microstrip patch. Measured boresight EIRP is 32 dBW with a beamwidth of about 2.5 degrees. This antenna beam can be steered within 3 dB scan loss between /spl plusmn/8 degrees in elevation and /spl plusmn/4 degrees in azimuth. The performance of this transmitter can provide mobile users with a capable communication link utilizing KOREASAT satellite.
- KSP Keywords
- Active Phased Array Antenna, Active channel, Communication link, Experimental model, Internet service, Key Components, Mobile satellite, Model design, Phased array antenna system, RF transmitter, bidirectional communication