CDMA Network Enhancements Danny Locklear Vice President, Global Marketing Carrier Networks Nortel Confidential Information 1
CDMA2000 Core Network Enhancements CDMA2000 Core Network Enhancements Voice Optimization in CDMA2000 1X Networks Real-Time Services with CDMA2000 1xEV-DO Rev. A Smooth Inter-Operability between CDMA2000 and LTE Nortel Confidential Information 2
Voice Optimization in CDMA2000 1X Networks Voice Optimization in CDMA2000 1X Networks Transcoder-Free Operation (TrFO) in an All-IP Network MSC MSC SIP BSC BSC A2P YY YY A2P IP Network CODEC CODEC RTP RTP Media Gateway Media Gateway UDP UDP IP IP L2 CODEC L2 L1 RTP L1 UDP IP Base Station Base Station L2 Base Station Base Station L1 Mobile Phone Mobile Phone Improves voice quality by eliminating transcoding Benefits Of Reduces transport bandwidth by 67% over TDM TrFO Implements efficient All-IP voice network Nortel Confidential Information 3
Real- -Time Services with 1xEV Time Services with 1xEV- -DO Rev. A DO Rev. A Real Enabling quality voice and concurrency in an All-IP network • Quality of Service leads to • For Mobile VoIP , this means • Better user experience • Higher Capacity • Operator control for application • Quicker call setup time delivery • Superior Voice quality with On- Time Packet Delivery • VoIP is no longer just voice but enables concurrent applications Time VoIP Conversation Video Video Interactive Sharing Telephony Gaming IM Session Time VoIP Video Interactive Call Sharing Gaming Simultaneous Voice and Data leads to Concurrent Application Usage, Better User Experience and Incremental Revenue for Service Providers Nortel Confidential Information 4
CDMA2000 and LTE CDMA2000 and LTE Strong alignment in standards, Will co-exist for many years in the future 3G CDMA1X and 1xEV-DO Today Nationwide Coverage Initial Roll-out LTE (OFDMA) LTE (OFDMA) LTE (OFDMA 3G CDMA 3G CDMA 3G CDMA 3G CDMA (Coexistence) Urban-zone Urban-zone Urban-zone 3G CDMA and LTE 3G CDMA and LTE Over time Nationwide Coverage Nationwide Coverage 3G CDMA networks will coexist with OFDM-based LTE networks until next generation broadband networks are fully capable of delivering: Ubiquitous Coverage, Carrier-Grade Mass Market VoIP, Devices -Variety & Low Cost, Global Roaming Nortel Confidential Information 5
Smooth Interoperability with LTE Smooth Interoperability with LTE eHRPD enables service continuity between EV-DO and LTE No air-interface Minor changes to changes, but new support 3GPP Protocol IDs procedures EV-DO TIA 856-A A10/A11 RNC PDN S2A GW HSGW HUSP / PPP-free user plane PMIP New Interface Leverage existing network for coverage Purpose of Support common VoIP solution across both networks eHRPD Synergy between CDMA2000 and LTE eHRPD provides optimized handover and service continuity between EV-DO and LTE Nortel Confidential Information 6 eHRPD is TIA Project number 3-0297 (to be published as TIA-1142)
Key Take- -Aways Aways Key Take Coming soon is service continuity with LTE VoIP networks are optimized and available today with EV-DO Rev. A, enabling multimedia concurrency All-IP CDMA2000 1X and 1xEV-DO networks are available today reducing the cost of delivering voice Nortel Confidential Information 7
www.nortel.com/cdma www.nortel.com/lte Nortel Confidential Information 8
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