WiFi and 3G Convergence Made Easy

Jim Grams Azaire Networks Chief Technology Officer

Motive to Converge 3G and WiFi

Voice + data + multimedia

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Licensed & unlicensed spectrum

Converged services Hybrid Networks with mobility Widen broadband footprint Lower services delivery cost Exploit unlicensed service areas

Benefits for Operator & Users

Mobile Operator Mobile Operator

 Full set of services — with complete mobility  Lower capex while improving indoor coverage 

Residence

 Leverage existing investment with evolution to IMS All services, all devices, unique identify from one service provider 

Enterprise

Lower cost on campus mobile communications – voice and data

Role of Hybrid Access Networks

     Solves in-building broadband wireless coverage problem Reduces 3G deployment costs Facilitates new service offerings, implemented at IP layer

PSTN

Provides easy migration path among access technologies – today WiFi, tomorrow WiMax Enables true convergence   Independence of access networks Common services across different access networks  Integration with existing billing and OSS systems

RADIUS & MAP/SS7 GSM/GPRS/ EDGE RAN End User Services Functions Core Functions UMTS/3G RAN DSL/Cable Access WLAN Access Internet IMS / PS Services

Robust Gateway Architecture Simplifies Multi Access Networks

Any IP Access 802.1x WiFi Any WiFi Operator Core Network Packet Services M-WSG IMS Subscriber WiMAX MSC Server Generic IP SCN HLR UMA Controller

One platform for mVoIP and Broadband data

Hybrid Network Enhances Mobile Operator Strategy Options

   Defend existing voice business model:    Enable lower cost VoIP through Hybrid Networks Increase minutes through fixed-mobile substitution Combat encroachment with one number convenience Reduce costs by exploiting WiFi/WiMax  Increase coverage for mobile broadband   Satisfy customer demand in home, office Offload heavy data usage from WAN network Extend with Mobile Broadband Services    Enable new access, and Offer new, rich IP-based services Provide comprehensive bundle

Convergence Approaches

Advantages Disadvantages Support for Broadband Data Convergence Gateway UMA

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Suppl services Residential focus

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No IMS Evolution Focus is on

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legacy (CS) devs No enterprise

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SIP MSC Emulation Advanced services Enterprise focus – IP Centrex

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Handoff Techniques not standardized

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IMS Solutions

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Same services, everywhere Simple handoff Multimedia Roadmap Handoff not Standardized (CS2IMS WID) 3GPP I-WLAN based

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Azaire IP CNP functions SEGW and I-WLAN for UMA PDG, TTG VLR PDG, TTG Azaire IP CNP Supports All Alternatives

Azaire’s IP-CNP Integrates into Carrier’s Existing Network

Integrated Service Delivery – 3GPP Compliant Solution

Operator Core Network Internet Subscriber Management & Roaming Gr/D/C/ RADIUS/LDAP Charging & Billing Ga/ RADIUS Control Path Service Control Node Network Management RADIUS SNMP Packet Delivery Platform With HA Data Path Metro WSG

Data Path Control Path

Any Vendor’s Core Equipment Wi-Fi Locations Ethernet Ethernet Ethernet WISP Hotspot Carrier Hotspot Enterprise

Conclusion

 Converged services represent an opportunity for mobile carriers to retain lead in innovation and customer satisfaction  Hybrid Networks enable cost-effective ubiquitous mobile broadband access and are most practical approach for network evolution beyond 3G  Azaire Networks solution provides flexibility and enables rich mobile broadband services regardless of convergence path selected

‘Mobile Convergence Made Easy’

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Azaire Networks

Formed in 2003, headquartered in Santa Clara, California Offices in Germany, India and the Netherlands Customers using our solution include T-Mobile, Mobilkom Austria, Rogers Wireless, GoMobile, Optus Our Mission:

Enabling Broadband Mobility for IP Access

  Next Generation IP Wireless Networks – 2.5G and Beyond Easy deployment over IP layer – voice, data and other services are just new applications Business Model: Selling end-to-end carrier-class infrastructure solutions to operators  Leverage existing core network investments for efficient IP delivery Products: IP - Converged Network Platform   GSM/WiFi network connectivity with handover based on 3GPP standards Support for UMA and pre-IMS configurations