On the Optimal Selection of Wireless Access in Interoperating Heterogeneous Wireless Networks 


Vol. 31,  No. 5, pp. 456-477, May  2006


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  Abstract

Due to advances in wireless communication technology and increasing demand for various types of wireless access, cellular, WLAN, and portable internet(such as WiBro and IEEE 802.16) systems are likely to be integrated into a unified wireless access system. This expectation premises the availability of multi-mode handsets and cooperative interworking of heterogenous wireless access networks allied by roaming contracts. Under such environments, a user may lie in the situation where more than one wireless accesses are available at his/her location, and he/she will want to choose the “best” access among them. In this paper, we define the "best" access(es) as the access(es) that charges minimum cost while fulfilling the required QoS of wireless access, and address the problem of choosing the optimal set of accesses theoretically by introducing a graph representation of service environment. Two optimal selection algorithms are proposed, which individually consider cases where single or multiple wireless access can be supported by multi-mode handsets.

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  Cite this article

[IEEE Style]

G. Cho, J. Choe, S. Jun, Y. Kim, "On the Optimal Selection of Wireless Access in Interoperating Heterogeneous Wireless Networks," The Journal of Korean Institute of Communications and Information Sciences, vol. 31, no. 5, pp. 456-477, 2006. DOI: .

[ACM Style]

Geunho Cho, Jinwoo Choe, Sung-Ik Jun, and Young-Sae Kim. 2006. On the Optimal Selection of Wireless Access in Interoperating Heterogeneous Wireless Networks. The Journal of Korean Institute of Communications and Information Sciences, 31, 5, (2006), 456-477. DOI: .

[KICS Style]

Geunho Cho, Jinwoo Choe, Sung-Ik Jun, Young-Sae Kim, "On the Optimal Selection of Wireless Access in Interoperating Heterogeneous Wireless Networks," The Journal of Korean Institute of Communications and Information Sciences, vol. 31, no. 5, pp. 456-477, 5. 2006.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880