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http://dx.doi.org/10.3745/KIPSTD.2008.15-D.1.131

Design and Implementation of Embedded Linux-based Mobile Teller which supports CDMA and WiBro networks  

Kim, Do-Hyung (한국전자통신연구원 임배디드S/W연구단)
Yun, Min-Hong (한국전자통신연구원 임배디드S/W연구단)
Lee, Kyung-Hee (한국전자통신연구원 임배디드S/W연구단)
Lee, Cheol-Hoon (충남대학교 컴퓨터공학과)
Abstract
This paper describes the implementations of the first application service based on embedded Linux; Mobile Teller which uses WiBro network for data communications and CDMA network for voice communications. Currently, with the appearance of WiBro service, dual-mode terminals which support two heterogeneous networks are available. But, the development of applications which effectively use these networks for providing better service to user is rarely prepared. At Mobile Teller, when a sender on a dual-mode terminal types texts, the texts are transmitted to a TTS server located in the Internet through WiBro network. Subsequently, the TTS server converts the texts into voices and transmits the voice data to the dual-mode terminal. At last the dual-mode terminal sends the voice to the receiver through the CDMA network. In case of noisy environment or when a user has difficulty in speaking, Mobile Teller makes voice communication possible
Keywords
Linux; Dual-Mode Terminal; CDMA; WiBro; TTS;
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