Architecture for IP-Based Next Generation Radio Access Network

Architecture for IP-Based Next Generation Radio Access Network

Ram Dantu (University of North Texas, USA) and Parthasarathy Guturu (University of North Texas, USA)
Copyright: © 2010 |Pages: 16
DOI: 10.4018/978-1-61520-674-2.ch004

Abstract

High call volumes due to novel mobile data applications necessitate development of next generation wireless networks centered on high performing and highly available radio access networks (RANs). In this chapter, the authors present an innovative IP-based wireless routing architecture (for a RAN) with mechanisms for seamless handoff operations and high Quality of Service (QOS). Algorithms for dynamic configuration of the RAN, and efficacious network bandwidth management through traffic control are also presented. The authors establish the superiority of their system with real-life data indicating significant cost and availability improvements with our system over the traditional networks.
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Background

Since IP-based RANs is an emerging technology, the literature on flexible and reconfigurable next generation RAN architectures based on versatile wireless routers is rather sparse. An interesting paper in this direction, Ghosh, Basu & Das (2005) provides an insight into a flexible, reliable, and cost effective IP-based RAN architecture with BSs connected to form a mesh. Bu, Chan & Ramjee (2006) discuss connectivity, performance and resiliency of IP-based CDMA RANs focusing on a star topology between the BSs and RNC (Radio Network Controller). Vassiliou et al (2002) propose a RAN for next generation wireless networks based on multi-protocol label switching (MPLS) and hierarchical mobile IP. Kempf & Yegani (2002) propose a new architecture called open-RAN for mobile wireless IP RANs. Yasukawa, Nishikido, & Hisashi (2001) propose an IPV6-based wireless routing architecture with scalable mobility and quality of service (QOS) support. Chen & Hamalainen (2003) present a method for handovers in IP RANs.

The proposed wireless router (WR) architecture, its mechanisms for efficacious traffic and bandwidth management, and dynamic self-configuration are based on our earlier patented research work (Dantu, 2005; Dantu et al., 2006; Patel et al., 2006).

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