OPTIMIZING PUSH TO TALK OVER CELLULAR ONE TOUCH INSTANT COMMUNICATIONS Mike Koenig VP Product Management Motorola SoftSwitch Division, Wireless Systems Group MOTOROLA and the Stylized M Logo are registered in the US Patent & Trademark Office. All other product or service names are the property of their respective owners. © Motorola, Inc. 2004. 1 Agenda Opportunities for PoC Performance Enhancement ÆStandards ÆProduct Subscriber Devices and Client Interoperability MOTOROLA and the Stylized M Logo are registered in the US Patent & Trademark Office. All other product or service names are the property of their respective owners. © Motorola, Inc. 2004. 2 MOTOROLA’S END-TO-END PoC SOLUTION Handset CDMA2000 1X, Intranet/ Server(s) Clients GPRS, EDGE, Internet WLAN IP Motorola End-to-End PoC Solution Æ Efficient, always connected communications Æ Quick, one-touch connection to one/many users Æ Anywhere, anytime access on a local/national level Æ Standards-compliant solution over Wireless Packet Data Networks Æ Supports migration to Multi Media Domain (MMD)/IP Multi-media Subsystem (IMS) MOTOROLA and the Stylized M Logo are registered in the US Patent & Trademark Office. All other product or service names are the property of their respective owners. © Motorola, Inc. 2004. 3 MOTOROLA PUSH-TO-TALK HISTORY 1930s and 1940s 1993 Æ Introduced 1st Walkie-Talkie Two-way Æ PTT on iDEN networks “Push-to-Talk” services for police and military 2001 1950s to early 1980s Æ Deployment of CDMA2000 1x with IP packet data service Æ Two-way services become a fundamental need for many public safety agencies 2003 Æ Increased adoption by utilities, enterprises and transportation segments Æ First commercial Push-To-Talk over Cellular (PoC) service - using CDMA 1980s to mid-1990s Æ Second launch of Push-To-Talk over Cellular (PoC) service Æ Trunked systems for non-mission critical users 2004: Motorola reveals 14 commercial PoC contracts, several additional trials, and introduces PoC as IMS/MMD Application MOTOROLA and the Stylized M Logo are registered in the US Patent & Trademark Office. All other product or service names are the property of their respective owners. © Motorola, Inc. 2004. 4 MOTOROLA SUPPORTS PoC STANDARDS EVOLUTION Æ Standards-based PoC Requires Session Initiations Protocol (SIP) Æ Moving to IP Multi-Media Subsystem (IMS) Æ Standard Based Interoperability Æ Handset IOT With Major Vendors Æ PoC Is Supported By 3GPP2 Multi Media Domain (MMD) vision Æ Includes IMS Æ Actively Engaged with Standards to Drive Enhanced Performance Æ RF and Network Recommendations Active participation in PoC consortium and OMA to liaise with 3GPP2 to provide standards based mechanisms for Multimedia applications MOTOROLA and the Stylized M Logo are registered in the US Patent & Trademark Office. All other product or service names are the property of their respective owners. © Motorola, Inc. 2004. 5 OPPORTUNITIES FOR PERFORMANCE ENHANCEMENT Motorola Application Functions Voice Speculation Spooling Application Protocols (Server & PDSN) SIP Server Client / Server Compression Spooling CDMA Air-Interface & Standards Reduced Improved Core Setup Time Performance Network & Capacity Improvement RAN & Packet Core MOTOROLA and the Stylized M Logo are registered in the US Patent & Trademark Office. All other product or service names are the property of their respective owners. © Motorola, Inc. 2004. 6 SPECULATION DURING PTT CALL SETUP Speculative Data Call Set Up – Originator Æ Mobile client feature - data call origination is placed as user enters Contact List, before the user presses PTT to start the call ÆHandset goes Active on Fundamental Channel (FCH) before user starts call Æ Applies to all PTT call types Æ Standard handset feature today Æ Reduces user perceived PTT Call Setup time MOTOROLA and the Stylized M Logo are registered in the US Patent & Trademark Office. All other product or service names are the property of their respective owners. © Motorola, Inc. 2004. 7 SPOOLING DURING PTT CALL SETUP - CDMA Late Media – No Spooling Expected Performance 1. Invite 2. Invite Time to Talk Permit: 6.0 s 4. OK 3. OK PTT Round Trip Response: 8.5 s 5. Voice Server Actual Setup Time: 6.0 s Server Spooling (Early Media ) 1. Invite 4. Invite Time to Talk Permit: 2.0 s 2. OK 5. OK PTT Round Trip Response: 6.0 s 6. Voice 3. Voice Server Actual Setup Time: 6.0 s Handset Spooling 1. Voice Time to Talk Permit: 0.2 s 2. Invite 3. Invite PTT Round Trip Response: 8.5 s 5. OK 4. OK Server 6. Voice Actual Setup Time: 6.0 s Spooling: Voice is queued before completion of call setup. Gives the call originator the perception that setup is faster MOTOROLA and the Stylized M Logo are registered in the US Patent & Trademark Office. All other product or service names are the property of their respective owners. © Motorola, Inc. 2004. 8 PoC RAN OPTIMIZATION STANDARDS ROADMAP Reduce Pg Slot Cycle to < 1s, ~ 320ms Pg w/ Ch Assgn + Semi Dormant, ~ 600 ms Optimizing Setup Setup Time w/ Quick Connect: Reconect Plus (Rel D) or Intersystem Page RAN (Rel E) ~ 1.8 s Æ Lead Implementation Standards on 5 Standardized Enhancements SYNC ID (Rev A), ~ 540 ms Features ~ 2.2s Quick Paging (RevA), ~ 500 ms Current Setup Time ~ 6s Setup Time Reduction ~ 3.8 s Header Compression H H H H H H Æ IS835 Rev C Aggregation RTP F H H H F H IP Packet UDP IP RLP RLP ACK PPP RLP Protocol Goal: ~ 2 Second Call Setup With 50% Higher Capacity MOTOROLA and the Stylized M Logo are registered in the US Patent & Trademark Office. All other product or service names are the property of their respective owners. © Motorola, Inc. 2004. 9 MOTOROLA’S POC EVOLUTION PoC Release 1.0 PoC Release 3.0 – 3Q ‘04 Æ Commercially deployed on Æ PoC Consortium Phase I Signaling CDMA 1X in August 2003 Compliance Æ Built on SIP Signaling and RTP / Æ Presence Enhancements RTCP Standards Æ RF Efficiency (presence server push) Æ Talker Arbitration Support Æ Server Spooling (Early Media) PoC Release 2.0 Æ Network Processor IO Card Æ Fast CPU with Enlarged Memory Æ Handset Spooling Æ Fast Talker Arbitration PoC Release 4.0 – 1H ‘04 Æ Speculation Æ IOS 4.1 Release A Features – R-EACH & SDB Æ Consortium Phase II Compliance Æ Cross technology PoC (Vocoder Translation) Goals: Full Standards Compliance with Continuously Improved Performance MOTOROLA and the Stylized M Logo are registered in the US Patent & Trademark Office. All other product or service names are the property of their respective owners. © Motorola, Inc. 2004. 10 COMMERCIAL DEPLOYMENT EXPERIENCE - PoC RAN and Mobiles PDSN and Core Network Æ “Network Initiated” is a New Æ PDSN Session Capacity Application Paradigm Æ“Always On” PPP Æexposes never seen bugs in RAN sessions require elements; single load across increased capacity over network reduces issues other packet services Æ Optimize “On-Channel” Activities Æ Optimal Core Network ÆEnd of call perform activities Design ÆPresence updates, GLM Downloads ÆPDSN, Routers and Æ Presence fresh at power down PoC Servers must have Æ Size RAN Channel Element Data limited hops Capacity ÆNetwork capacity must ÆMinimized blocked calls be properly sized Æ PCF Capacity Planning Æ Ideal PDSN inactivity ÆMinimize blocked calls timer Æ20 seconds -- optimal dormancy behavior MOTOROLA and the Stylized M Logo are registered in the US Patent & Trademark Office. All other product or service names are the property of their respective owners. © Motorola, Inc. 2004. 11 MOTOROLA CDMA PoC HANDSET PORTFOLIO High Quality Speakers Dedicated PTT key Future Push To “X” phones V65p V60p MOTOCHIC Individual expression through style MOTOMEDIA Mid to high tier solutions that deliver music and gaming experiences T300p MOTOLIFE Entry level for the trendy masses MOTOROLA and the Stylized M Logo are registered in the US Patent & Trademark Office. All other product or service names are the property of their respective owners. © Motorola, Inc. 2004. 12 MOTOROLA POC PROGRAMS – 3rd PARTY DEVICES Motorola PTT User Motorola PoC Client available Interface Application rd (Screen, Keyboard, Address to 3 party handset books, and PTT button handlers, manufacturers Application Glue) PoC Client available for OEM PTT Middleware API to 3rd party application developers Motorola PTT Client Middleware (RTP, SIP, SDP, Call Control) IOT Program Æ All Major CDMA handset Audio Sockets CDMA manufacturers engaged API API API Æ 5 major CDMA vendors already Vocoder IP CDMA Display testing And Stack Drivers And Audio Keyboard Æ Testing complete on more than 12 handsets Base OS Driving Open Standard Interfaces and Interoperability MOTOROLA and the Stylized M Logo are registered in the US Patent & Trademark Office. All other product or service names are the property of their respective owners. © Motorola, Inc. 2004. 13 BEYOND PoC PTX is an evolution of PoC ÆIt is more than just “pushing” voice to a user via PTT; it leverages the same application to push data like images, music, video to another user or groups of users ÆPTX is different than other peer to peer services. PTX is all about “real time transfer”, “urgency”, and “immediacy of transfer” 1 PTX Menu Enablers: Push to Talk § Common App/UI for PTX/PTT § Multiple data formats Share File § Presence enabled, integrated Share Image phonebook § MMD/IMS Share Video Vid Share Music EXIT SELECT Packet Switch MOTOROLA and the Stylized M Logo are registered in the US Patent & Trademark Office. All other product or service names are the property of their respective owners. © Motorola, Inc. 2004. 14 In Summary…. The Motorola PoC solution is built upon SIP and MMD/IMS standards, and is optimized for high-performance communications. These services are still in their infancy; voice push-to-talk is just the beginning of the capabilities that Motorola will offer with this new technology. As the standards evolve, Motorola is committed to incorporating new standards compliant functionality.