Design, implementation, and evaluation of cellular IP
Campbell, A.T.; Gomez, J.; Kim, S.; Valko, A.G.; Chieh-Yih Wan; Turanyi, Z.R.
Personal Communications, IEEE [see also IEEE Wireless Communications]
Volume 7, Issue 4, Aug 2000 Page(s):42 - 49
Digital Object Identifier 10.1109/98.863995
Summary:Wireless access to Internet services will become typical, rather
than the exception as it is today. Such a vision presents great demands
on mobile networks. Mobile IP represents a simple and scalable global
mobility solution but lacks the support for fast handoff control and
paging found in cellular telephony networks. In contrast, second- and
third-generation cellular systems offer seamless mobility support but
are built on complex and costly connection-oriented networking
infrastructure that lacks the inherent flexibility, robustness, and
scalability found in IP networks. In this article we present cellular
IP, a micro-mobility protocol that provides seamless mobility support in
limited geographical areas. Cellular IP, which incorporates a number of
important cellular system design principles such as paging in support of
passive connectivity, is built on a foundation of IP forwarding, minimal
signaling, and soft-state location management. We discuss the design,
implementation, and evaluation of a cellular IP testbed developed at
Columbia University over the past several years. Built on a simple,
low-cost, plug-and-play systems paradigm, cellular IP software enables
the construction of arbitrary-sized access networks scaling from
picocellular to metropolitan area networks
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