Jim GramsAzaire NetworksChief Technology Officer
WiFi and 3G Convergence Made Easy
Motive to Converge 3G and WiFi
Voice + data + multimedia
Licensed & unlicensed spectrum
/Converged
servicesHybrid Networks
with mobilityWiden broadband footprint
Lower services delivery costExploit unlicensed service areas
Benefits for Operator & Users
All services, all devices, unique identify from one service provider
Lower cost on campus mobile communications – voice and data
Full set of services — with complete mobility
Lower capex while improving indoor coverage
Leverage existing investment with evolution to IMS
Enterprise
Mobile Operator
Residence
Mobile Operator
Role of Hybrid Access Networks
Solves in-building broadband wireless coverage problem
Reduces 3G deployment costs Facilitates new service
offerings, implemented at IP layer
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
WLANAccess
UMTS/3GRAN
DSL/CableAccess
RADIUS&
MAP/SS7
End User Services Functions
PSTN
GSM/GPRS/EDGE
RAN
Internet
IMS / PSServices
Access Network
s
Core Functions
Operator Core Network
Robust Gateway Architecture Simplifies Multi Access Networks
M-WSG
One platform for mVoIP and Broadband data
HLR
SCN
PacketService
s
IMS
MSC Server
UMAControlle
r
Subscriber
802.1x WiFi
Any WiFi
WiMAX
Generic IP
Any IP Access
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
UMA SIP MSC Emulation IMS Solutions
Advantages • Suppl services• Residential focus
• Advanced services• Enterprise focus –
IP Centrex
• Same services, everywhere
• Simple handoff• Multimedia
Disadvantages • No IMS Evolution• Focus is on legacy (CS) devs• No enterprise
• Handoff Techniques not standardized
• Roadmap• Handoff not
Standardized (CS2IMS WID)
Support for Broadband Data
3GPP I-WLAN based
Convergence Gateway
Azaire IP CNP functions
SEGW and I-WLAN for UMA
PDG, TTGVLR
PDG, TTG
Convergence Approaches
Azaire IP CNP Supports All Alternatives
Data PathControl Path
Ga/RADIUS
Azaire’s IP-CNP Integrates into Carrier’s Existing NetworkIntegrated Service Delivery – 3GPP Compliant Solution
Service Control
Node
Any Vendor’sCore Equipment
Operator Core Network
Control Path
SubscriberManagement& Roaming
Gr/D/C/RADIUS/LDAP
Charging &Billing
NetworkManagement
SNMP
Metro WSG
Data Path
PacketDeliveryPlatformWith HA
RADIUS
WISP Hotspot
Carrier Hotspot Enterprise
EthernetEthernet
Wi-FiLocations
Ethernet
Internet
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’
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