CDMA Network Enhancements Danny Locklear Vice President, Global - - PowerPoint PPT Presentation

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Dec 01, 2023 150 likes •237 views

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

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1 Nortel Confidential Information

CDMA Network Enhancements

Danny Locklear Vice President, Global Marketing Carrier Networks

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2 Nortel Confidential Information

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

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3 Nortel Confidential Information Media Gateway

Voice Optimization in CDMA2000 1X Networks Voice Optimization in CDMA2000 1X Networks

Transcoder-Free Operation (TrFO) in an All-IP Network

CODEC RTP UDP IP L2 L1

SIP

IP Network Base Station Base Station Base Station Base Station BSC BSC MSC

CODEC RTP UDP IP L2 L1 CODEC RTP UDP IP L2 L1

A2P YY A2P YY Media Gateway MSC

Benefits Of TrFO Improves voice quality by eliminating transcoding Reduces transport bandwidth by 67% over TDM Implements efficient All-IP voice network

Mobile Phone Mobile Phone

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4 Nortel Confidential Information

Real Real-

Time Services with 1xEV

Time Services with 1xEV-

DO Rev. A

DO Rev. A

Enabling quality voice and concurrency in an All-IP network

Quality of Service leads to
Better user experience
Operator control for application

delivery

VoIP Conversation

Time

Video Sharing Video Telephony Interactive Gaming

IM Session

Time

VoIP Call Video Sharing Interactive Gaming

Simultaneous Voice and Data leads to Concurrent Application Usage, Better User Experience and Incremental Revenue for Service Providers

For Mobile VoIP, this means
Higher Capacity
Quicker call setup time
Superior Voice quality with On-

Time Packet Delivery

VoIP is no longer just voice but

enables concurrent applications

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5 Nortel Confidential Information

CDMA2000 and LTE CDMA2000 and LTE

Strong alignment in standards, Will co-exist for many years in the future

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

3G CDMA 3G CDMA 3G CDMA 3G CDMA 3G CDMA1X and 1xEV-DO Nationwide Coverage Today Initial Roll-out (Coexistence) Over time

LTE (OFDMA) Urban-zone

3G CDMA and LTE 3G CDMA and LTE Nationwide Coverage Nationwide Coverage

LTE (OFDMA) Urban-zone LTE (OFDMA Urban-zone

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6 Nortel Confidential Information

Smooth Interoperability with LTE Smooth Interoperability with LTE

eHRPD enables service continuity between EV-DO and LTE

S2A

PDN GW

TIA 856-A

No air-interface changes, but new Protocol IDs Minor changes to support 3GPP procedures New Interface PMIP

A10/A11 HUSP / PPP-free user plane

HSGW EV-DO RNC Purpose

eHRPD Leverage existing network for coverage Support common VoIP solution across both networks Synergy between CDMA2000 and LTE

eHRPD provides optimized handover and service continuity between EV-DO and LTE

eHRPD is TIA Project number 3-0297 (to be published as TIA-1142)

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7 Nortel Confidential Information

Key Take Key Take-

Aways

Aways

VoIP networks are optimized and available today with EV-DO Rev. A, enabling multimedia concurrency Coming soon is service continuity with LTE All-IP CDMA2000 1X and 1xEV-DO networks are available today reducing the cost of delivering voice

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8 Nortel Confidential Information