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Integrating Portable Internet with cdma2000 Mobile Communication Networks for Seamless Service  

Cho Jinsung (경희대학교 전자정보대학 컴퓨터공학전공)
Kim Jeong Gem (경희대학교 전자정보대학 전파공학전공)
Publication Information
The Journal of Korean Institute of Communications and Information Sciences / v.29, no.11B, 2004 , pp. 920-929 More about this Journal
Abstract
Nowadays, wireless packet data services are provided over cdma2000 1x/1xEV-DO mobile communication network and Portable Internet are being standardized for users demanding higher data rate services. Portable Internet can provide high data rate services, but its service coverage is relatively small. If Portable Internet may be integrated with cdma2000 mobile networks, users are able to choose the best service according to service areas and get seamless services while they are moving around. At the same time, it is cost-effective for operators to construct and maintain the integrated network. For the purpose of effectively integrating Portable Internet into cdma2000 networks, we propose an integration scheme including network architecture, protocol architecture, functions in network elements, interfaces between them, and call-flow procedures. The integration scheme proposed in this paper adopts a tightly-coupled architecture for unified authentication/accounting and seamless services. In addition, the scheme can be implemented without modifying the existing cdma2000 mobile communication networks. It is also simple to develop the dual-mode mobile station. Through the simulation results based on the performance model for handoffs between cdma2000 and Portable Internet, it has teen validated that the proposed scheme diminishes packet losses compared with the loosely-coupled architecture.
Keywords
cdma2000; Portable Internet; WiBro; Integration; Seamless sonics;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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