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A Reference Architecture for All IP Wireless Networks

A Reference Architecture for All IP Wireless Networks. ITSUMO Group itsumo@research.telcordia.com. An SAIC Company. The Objective. Propose a reference architecture for all IP wireless networks, and

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A Reference Architecture for All IP Wireless Networks

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  1. A Reference Architecture for All IP Wireless Networks ITSUMO Group itsumo@research.telcordia.com An SAIC Company

  2. The Objective • Propose • a reference architecture for all IP wireless networks, and • an architecture for interworking of the proposed reference model with the existing wireless/wireline infrastructure.

  3. Visiting Network Signaling & Control Signaling & Control Signaling & Control MRC Home Network MRC BS Regional IP network BSC Regional IP network Internet BSC BS BS Wireline IP backbone network BS Reference Architecture of All IP Wireless Networks

  4. Network Elements • Mobile Station (MS) • User terminal • Adaptive software radios, i.e., full flexibility in the frequency band • Signaling entity • Base Station (BS) • Adaptive software remote multiplexer/demultiplexer • Essentially a MAC layer repeater • Base Station Controller (BSC) • A multi-port bridge (or Switch) with an IP interface to MRC • Interacts with the network control and management system (via the MRC) to control and manage base stations.

  5. Network Elements • Mobile Routing Center (MRC) • An IP Router • Default router of all MSs behind it • May also include BSC functions • Signaling & Control • connection management • means of interaction • between users and network control system, and • among network control entities • MAAAQ, i.e., • Mobility management, • Authentication, Authorization, and Accounting (AAA), and • QoS management

  6. 3G Access 3G Access 3G Access Interworking with today’s Mobile Telephony & PSTN PSTN & 1G/2G Signaling & Control ALL-IP Signaling & Control IWU 1G/2G Access WirelineIP backbone 1G/2G WG2 Access TG PSTN WG3 WG3 3G Circuit & Packet 3G Circuit & Packet 3G Packet only

  7. Merits of the ArchitecturePros & Cons

  8. Summary & Open Issues • Summary • Proposed a reference model for All IP wireless networks and its interworking with existing infrastructure for • review, • enhancement, and • adoption in 3GPP2. • Open Issues • The exact functions of IP-centric BS, BSC, MRC, and signaling and control • The exact functions WG2 and WG3

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