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The Voice Evolution
VoLTE, VoHSPA+, WCDMA+ and Quality Evolution

April 2012
Qualcomm is a Leader in Wireless
                                                              2012                2013           2014          2015+

                                            Rel-8                        Rel-9                   Rel-10       Rel-11 & Beyond
                                                         LTE                                        LTE Advanced
                                               (FDD&TDD Commercial)


                          Rel-7                              Rel-8                   Rel-9           Rel-10   Rel-11 & Beyond
       HSPA                                         HSPA+                                 HSPA+                   HSPA+
                                                    (Commercial)                               (Future)          Advanced
                                                        WCDMA                                                     WCDMA+
                                                               Voice Efficiency      M2M Efficiency
             CDMA2000
                1X                                                 1X Advanced
                                                                   (Commercial)     (Future)

     Rev A             Multicarrier       H/W Upgrade                Phase I         Phase II

     EV-DO                  EV-DO Rev. B                             DO Advanced
                                    (Commercial)                   (Commercial)      (Future)

                         802.11 g                       802.11 n                     802.11 ac/ad

                                                       Wi-Fi                             Wi-Fi
                                                      (Commercial)                       (Future)


         Commercial
2     Note: Estimated commercial dates.                                                                              Created 04/18/2012
Evolving Voice for More Data, Better
    Quality, Richer Experience

    Qualcomm: Comprehensive Voice Evolution Leadership
       1X Advanced, WCDMA+, IMS VoIP over LTE, HSPA+, EV-DO, and seamless transitions



    2G/3G Provides LTE Voice Today & Future VoLTE Fallback
       CSFB widely deployed, future VoLTE needs SRVCC to ensure seamless voice



    VoLTE with VoHSPA+ Ensure Rich Voice Everywhere
       Ensures a seamless and consistent rich voice user experience



    WCDMA+: More Efficient Voice to Support More Data
       Triples WCDMA circuit switched voice spectral efficiency



    Qualcomm Enables The Best Voice Experience
       Leading Voice Quality Technologies for 3G circuit switched voice,
        IMS VoIP and OTT VoIP (HDOn, Calliope Fluence..)




3
Circuit Voice Has A Long Life During The
    Transition to Richer, Carrier Grade VoIP


                                                            IMS VoIP: Rich Voice – Ubiquity vs. OTT VoIP
                                                                                      VoLTE Timing is Operator Specific
                                                                                      VoIP over HSPA+ Driven by VoLTE

                                                            Fallback to 2G/3G voice (CSFB) used by most LTE operators
                                                            while the VoLTE ecosystem is being developed and expanded




    Proven Circuit Voice: High Quality, Reliable, Ubiquitous1
                      WCDMA+: Long life of HSPA+ means long life of WCDMA
                      1X Advanced Commercial (1H 2012)




4       1Thanks   to soft handover, proven interoperability and 10+ years of 1X/WCDMA optimizations. OTT=Over-The-Top, voice just like any data service without Quality of Service
Qualcomm: Comprehensive Voice Evolution
    Leadership
                                      2012                 2013                 2014                2015+                           2020+


IMS VoIP: Evolving to a Richer Carrier Grade Voice Service

                            2G/3G
                        Provides Voice
                                                                  VoLTE
                                                                                         Packet
                                                                                        Handover

                                                                                         VoIP over HSPA+ (EV-DO)
 Seamless
Transitions            CSFB1                                  SRVCC2



                                       WCDMA                                                         WCDMA+
            1X                              1X Advanced

Circuit Switched Voice: Evolving To Support More Data
                                                                                                                        Blue: Qualcomm Technology Leadership
5       1CSFB:   Circuit Switched Fallback. 2SRVCC: Single Radio Voice Call Continuity to enable handover to WCDMA/1X/GSM CS voice outside VoLTE coverage.
2G/3G Provides LTE Voice Today
    —And Future VoLTE Fallback

                 2G/3G Provides Voice                                                 VoLTE—IMS VoIP over LTE
               CSFB1 to WCDMA, 1X or GSM                                               Ccommercialization with SRVCC1
               voice is commercial since 2011.                                         starting in 2013, maturing in 2015




                                                Today: Fallback to                                     VoLTE: Fallback1 to 2G/3G,
                                                  2G/3G for all                                         or handover to VoHSPA+,
                                                   voice calls                                            outside LTE coverage


                                                                 LTE (FDD or TDD)



                              2G/3G Voice & EV-DO/HSPA+ Data
                                                     Voice Continuity and Global Roaming

6    1SRVCC:   Single Radio Voice Call Continuity. CSFB: Circuit Switched Fallback.
2G/3G Voice Fallback (CSFB)
    Commercial Since 2011 and Widely Deployed



                                                                                                                 SIMILAR CALL
                          ~1s                                                                                SET-UP TIME AS TODAY
                                                        ~ 0.5 s                                                               (MOBILE ORIGINATED
                                                                                                                             OR TERMINATED CALL)
      Baseline
    WCDMA (R99)
     Set-up time
                   Enhanced CSFB1                       R9 CSFB2
                        (R8)                              (R9)



                                                                                                                  RELIABILITY ON PAR
             LTE
         (DATA ONLY)
                                                                                                                    WITH TODAY’S
                                                                              LTE                                     NETWORKS
                                                                           Multimode
                                                                          Single Radio
                                                                             Device
          WCDMA,
          GSM,1X
               1Redirection  without reading the non-mandatory system information blocks ‘SIBs’, 1xCSFB for 1X is also redirection based in R8.
7              2System   information provided directly in a LTE redirection message to speed up the transition, aka ‘SIB tunneling”. Enhanced R9 1xCSFB is Handover based
SRVCC Ensures Seamless Voice Continuity
                                         2012                        2013                        2014                2015+

                                                                                             VoLTE on      Mature
                                                                   VoLTE w/
                                                                                            par with CS Interoperable
                                                                   SRVCC
                                                                                           Voice Quality    VoLTE

       LTE
       VoLTE                                                       Single Radio Voice Call Continuity (SRVCC) enables
                                                                   handover to 2G/3G Voice Outside VoLTE coverage
                                 2G/3G
                                 VOICE
                                  CIRCUIT
                                 SWITCHED
             LTE
          Multimode                                                Multimode devices ensure
         Single Radio
            Device
                                                                   global roaming from day one



               IMS                                                 VoLTE IMS can expand to support other
           With VCC                                                VoIP accesses (HSPA+, EV-DO etc.)

8         1SRVCC   for VoLTE to 2G/3G circuit switched voice is defined in 3GPP Rel-9, with enhancements in Rel-10
World’s First SRVCC Handover by
    Qualcomm and Ericsson (Feb 2012)




9
Different VoIP Models Will Co-Exist
                                                                                                                              OVER-THE-TOP VOIP
              OPERATOR                            3RD PARTY
              PROVIDED                                                                                                          (BEST EFFORT)
                                                  PROVIDED
               SERVICE                             SERVICE                                                                         Opportunity To Offer
                                                                                                                                    Quality Of Service
 IMS/RCS              Operator                                                                                                    to OTT VoIP Provider
                                                      3rd party
   VoIP                Client                          Client




                  Interoperable, ubiquitous                                                     May not interoperate with
                     rich voice solution1                                                         other VoIP solutions

                                                                                                                             Variable Quality, Dependent
                  Carrier Grade Voice                                                                                          on Network Load
10         1IMS/RCS   based VoIP is the industry solution for carrier grade voice, to enable a ubiquitous VoIP solutions .
VoLTE with VoHSPA+ Ensures Rich Voice
     Everywhere


                                            Integrated Presence
                                                       Enhanced contacts with presence
                                                       Integrated messaging, chat, synch. etc

                                           Enriched Voice/Push to Share
                                                       Share multimedia content during call,
                                                       such as video, pictures, files etc.

                                            Video Telephony
                                                        With full interoperability


          Rich Services Initially                                    VoLTE with VoHSPA+ Ensures
       Limited to VoLTE Coverage                                       Consistent and Seamless
       Handover to WCDMA/GSM circuit switched
           voice Through Single Radio-VCC                               Rich Voice Experience

11                                    Based on Rich Communication Suite (RCS), an industry effort leveraging IMS to providing mobile phone services.
VoLTE and HSPA+ VoIP Profiles Defined


               Common User to                                     Common Network                                        Common User to
               Network Interface                                 to Network Interface                                   Network Interface


                        User to               IMS                                                                                    User to
                       Network                                                                           IMS                        Network
                                         (Operator A)                                              (Operator B)                    Interfaces
                      Interfaces




                                    GSMA VoLTE and VoIP over HSPA+:
                                    • Defines common voice, sms service profiles, bearers etc.
                                    • Defines minimum support level (IMS, LTE/HSPA+, EPC)




         TO ENABLE INTEROPERABILITY, SCALE AND ROAMING

12     VoLTE: GSMA PRD IR.92 – “IMS Profile for Voice and SMS” completed in 2011, HSPA+ profile defined in IR.58 completed early 2012. Additional PRD on IMS roaming defined.
13
2 Billion HSPA/HSPA+ Subscribers in 2015
     Will Be Using WCDMA voice
     HSPA/HSPA+ relies on WCDMA for voice

      Connections (Millions)
            2,500                                                                      HSPA/HSPA+ MBB*
                                                                                       connections in 2015

            2,000
                                                                                                                                   HSPA Family

            1,500
                                HSPA/HSPA+ MBB*                                                                                    EV-DO Family
                                connections in 2012
            1,000                                                                                                                  TD-SCDMA


                                                                                                                                   LTE
              500

                                                                                                                                   WiMax
                0
                       2010    2011        2012                2013                 2014                  2015




14
                                             Source: HSPA, EV-DO ,TD-SCDMA and LTE subs – Wireless Intelligence (Oct ‘11) and WiMax - ABI (Aug ‘11)
WCDMA+: More Efficient Voice to Support
     More Data
     Triples Voice Spectral Efficiency to Free Up ~2/3 of a Carrier for Data




                                                                                                          HSPA/                 FREED-UP FOR
                                                                                                          HSPA+
                                                                                                                               DOWNLINK DATA
                                                                                                           Data                      (UP TO ~2/3 OF A 5 MHZ
                                            WCDMA                                                            (DL)                     CARRIER FREED-UP)

                                              Voice                  SAME VOICE
                                                                   CAPACITY USING
                                                                     A THIRD OF
                                                                     RESOURCES
                                                                                                        WCDMA+
                                                                                                            Voice


                                                 ENHANCED CIRCUIT SWITCHED VOICE1



15    1Improvements   such as overhead optimizations, early termination and new codec (EVS) 5.9kbps. Single receive antenna assumed. WCDMA+ enhancements targeted for 3GPP R12.
More Data Capacity at All Voice Loads

                               100%                                            AVAILABLE DATA VS. VOICE
                                Data                                               IN A 5MHz CARRIER




 Downlink Data                                                                                                               WCDMA+
                                                                                                                     (or VoIP over HSPA+1)
   Capacity
     (HSPA/HSPA+)

                                                                                           Support
                                                                                          more data
                                                   WCDMA
                                                    Voice



                                                                                          100% Voice
                                                                                                                 Voice Load
16    1For   optimized VoIP over HSPA+ with features such as ROHC header compression, DTX, DRX and advanced receivers, over–the-top (OTT) VoIP less efficient than WCDMA voice
1X Advanced Frees Up Spectrum for Data
                                                      1X Advanced
                                                                           Up to

                                                       3x                    4x
                                                                        Voice users
         CDMA2000 1X                                Voice users



                           1.5x
             x          Voice users
                                                       Single              Mobile
        Voice users                                   Antenna            Rx Diversity

            EVRC           EVRC-B                          BTS IC + Adv. QLIC
          Single RX     QLIC (device IC)                 Radio Link Enhancements

                        New device                              New device
                      Network upgrades                   New channel card



         Same Voice Capacity in ~¼ of the Spectrum
                          Voice            Voice        Data



                      CDMA2000 1X          1X Adv   EV-DO (or LTE)


17
18
Qualcomm Enables The Best Voice
     Experience
                                                                 Voice/Audio Codecs
                                                                          Standards Defined
                                                                         Qualcomm’s Calliope


                 HDOnTM                                                                                                      FluenceTM
     Deliver HD-Voice quality over
          legacy narrow band1
                                                                                                                         Noise suppression
                                                                                                                           Using multiple microphones

                                                                       True
                                                                     HD-Voice
                                                                    Experience

                         VoIP                                                                                            Active Noise
                     Optimizations                                                                                       Cancelation
                      Such as time-warping
                       and de-jitter buffer

                                                                Tools and Optimization
                                                              Such as calibration and access to DSP.



     HD-Voice Across 3G Voice, IMS VoIP or Over-The-Top VoIP
19   1Such   as “HDOn-eAMR” which transmits true WB compressed voice quality over a NB channel. Qualcomm’s ‘Widevoice’ can also artificially create WB voice quality at the handset
Continuously Enhanced Codecs to Improve
     Voice and Audio
             Higher Quality, Higher Capacity, Better Music
     WCDMA/HSPA+                                                                                  EVS
                                 AMR                       AMR
         LTE
                                 (NB)                      (WB)                              (NB, WB, SWB)
        3GPP

      CDMA2000                  EVRC-B             EVRC-WB              EVRC-NW
       3GPP2                     (NB)                (WB)               (NB, WB)



                                                      ‘HD-Voice’
                                                                             Super Wideband
                                                                                (Voice and Music)
                                          Wideband
                                              (Voice)
                            Narrowband
                                   (Voice)

                                                                                          ~7kHz                               16kHz

               Low frequencies increases                                High frequencies                           Reproduces better
               naturalness, presence and                                improves voice clarity                     audio and music
               comfort                                                  and intelligibility
20      Note: EVS has additional modes not shown that are optimized for music, stereo and even wider bandwidths.
Enhanced Voice Service (EVS) Codecs:
     Better Quality, Capacity or Both


                           EVS SWB                                                                       Expected to be Commercial
                           (13.3k)                                                                        in 2014
                                                        Higher Quality at
                                                        Similar Capacity
                                                                                                         Designed With VoIP in Mind and
                                                                                                          targets VoLTE
Voice                      AMR WB                                      EVS WB
                                                                       (5.95k)                           Qualcomm’s Calliope SWB
Quality                    (12.65k)
                                                                                                          Codec Excellent for VoHSPA+
                                                                                                          and Early VoLTE launch

                                                                                                         Opportunity to Support EVS
                              AMR                       Higher Capacity                                   Across All Voice Networks for
                              (12.2k)                  at Similar Quality                                 Seamless Quality(CS and VoIP)




                                                                Voice Capacity
21        Note: EVS has many additional modes not shown that are optimized for music, stereo and even wider bandwidths. Calliope: 12kbps SWB VoIP optimized codec
Summary: Evolving Voice for More Data,
     Better Quality, Richer Experience

     Qualcomm: Comprehensive Voice Evolution Leadership
        1X Advanced, WCDMA+, IMS VoIP over LTE, HSPA+, EV-DO, and seamless transitions



     2G/3G Provides LTE Voice Today & Future VoLTE Fallback
        CSFB widely deployed, future VoLTE needs SRVCC to ensure seamless voice



     VoLTE with VoHSPA+ Ensure Rich Voice Everywhere
        Ensures a seamless and consistent rich voice user experience



     WCDMA+: More Efficient Voice to Support More Data
        Triples WCDMA circuit switched voice spectral efficiency



     Qualcomm Enables The Best Voice Experience
        Leading Voice Quality Technologies for 3G circuit switched voice,
         IMS VoIP and OTT VoIP (HDOn, Calliope Fluence..)




22
Questions? Connect with Us

                www.qualcomm.com/technology


                 @Qualcomm_Tech

                http://www.slideshare.net/
                qualcommwirelessevolution

                 http://www.qualcomm.com/blog
                 /contributors/prakash-sangam
23

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The Voice Evolution—VoLTE. VoHSPA+, WCDMA+ and Quality

  • 1. The Voice Evolution VoLTE, VoHSPA+, WCDMA+ and Quality Evolution April 2012
  • 2. Qualcomm is a Leader in Wireless 2012 2013 2014 2015+ Rel-8 Rel-9 Rel-10 Rel-11 & Beyond LTE LTE Advanced (FDD&TDD Commercial) Rel-7 Rel-8 Rel-9 Rel-10 Rel-11 & Beyond HSPA HSPA+ HSPA+ HSPA+ (Commercial) (Future) Advanced WCDMA WCDMA+ Voice Efficiency M2M Efficiency CDMA2000 1X 1X Advanced (Commercial) (Future) Rev A Multicarrier H/W Upgrade Phase I Phase II EV-DO EV-DO Rev. B DO Advanced (Commercial) (Commercial) (Future) 802.11 g 802.11 n 802.11 ac/ad Wi-Fi Wi-Fi (Commercial) (Future) Commercial 2 Note: Estimated commercial dates. Created 04/18/2012
  • 3. Evolving Voice for More Data, Better Quality, Richer Experience Qualcomm: Comprehensive Voice Evolution Leadership  1X Advanced, WCDMA+, IMS VoIP over LTE, HSPA+, EV-DO, and seamless transitions 2G/3G Provides LTE Voice Today & Future VoLTE Fallback  CSFB widely deployed, future VoLTE needs SRVCC to ensure seamless voice VoLTE with VoHSPA+ Ensure Rich Voice Everywhere  Ensures a seamless and consistent rich voice user experience WCDMA+: More Efficient Voice to Support More Data  Triples WCDMA circuit switched voice spectral efficiency Qualcomm Enables The Best Voice Experience  Leading Voice Quality Technologies for 3G circuit switched voice, IMS VoIP and OTT VoIP (HDOn, Calliope Fluence..) 3
  • 4. Circuit Voice Has A Long Life During The Transition to Richer, Carrier Grade VoIP IMS VoIP: Rich Voice – Ubiquity vs. OTT VoIP VoLTE Timing is Operator Specific VoIP over HSPA+ Driven by VoLTE Fallback to 2G/3G voice (CSFB) used by most LTE operators while the VoLTE ecosystem is being developed and expanded Proven Circuit Voice: High Quality, Reliable, Ubiquitous1 WCDMA+: Long life of HSPA+ means long life of WCDMA 1X Advanced Commercial (1H 2012) 4 1Thanks to soft handover, proven interoperability and 10+ years of 1X/WCDMA optimizations. OTT=Over-The-Top, voice just like any data service without Quality of Service
  • 5. Qualcomm: Comprehensive Voice Evolution Leadership 2012 2013 2014 2015+ 2020+ IMS VoIP: Evolving to a Richer Carrier Grade Voice Service 2G/3G Provides Voice VoLTE Packet Handover VoIP over HSPA+ (EV-DO) Seamless Transitions CSFB1 SRVCC2 WCDMA WCDMA+ 1X 1X Advanced Circuit Switched Voice: Evolving To Support More Data Blue: Qualcomm Technology Leadership 5 1CSFB: Circuit Switched Fallback. 2SRVCC: Single Radio Voice Call Continuity to enable handover to WCDMA/1X/GSM CS voice outside VoLTE coverage.
  • 6. 2G/3G Provides LTE Voice Today —And Future VoLTE Fallback 2G/3G Provides Voice VoLTE—IMS VoIP over LTE CSFB1 to WCDMA, 1X or GSM Ccommercialization with SRVCC1 voice is commercial since 2011. starting in 2013, maturing in 2015 Today: Fallback to VoLTE: Fallback1 to 2G/3G, 2G/3G for all or handover to VoHSPA+, voice calls outside LTE coverage LTE (FDD or TDD) 2G/3G Voice & EV-DO/HSPA+ Data Voice Continuity and Global Roaming 6 1SRVCC: Single Radio Voice Call Continuity. CSFB: Circuit Switched Fallback.
  • 7. 2G/3G Voice Fallback (CSFB) Commercial Since 2011 and Widely Deployed SIMILAR CALL ~1s SET-UP TIME AS TODAY ~ 0.5 s (MOBILE ORIGINATED OR TERMINATED CALL) Baseline WCDMA (R99) Set-up time Enhanced CSFB1 R9 CSFB2 (R8) (R9) RELIABILITY ON PAR LTE (DATA ONLY) WITH TODAY’S LTE NETWORKS Multimode Single Radio Device WCDMA, GSM,1X 1Redirection without reading the non-mandatory system information blocks ‘SIBs’, 1xCSFB for 1X is also redirection based in R8. 7 2System information provided directly in a LTE redirection message to speed up the transition, aka ‘SIB tunneling”. Enhanced R9 1xCSFB is Handover based
  • 8. SRVCC Ensures Seamless Voice Continuity 2012 2013 2014 2015+ VoLTE on Mature VoLTE w/ par with CS Interoperable SRVCC Voice Quality VoLTE LTE VoLTE Single Radio Voice Call Continuity (SRVCC) enables handover to 2G/3G Voice Outside VoLTE coverage 2G/3G VOICE CIRCUIT SWITCHED LTE Multimode Multimode devices ensure Single Radio Device global roaming from day one IMS VoLTE IMS can expand to support other With VCC VoIP accesses (HSPA+, EV-DO etc.) 8 1SRVCC for VoLTE to 2G/3G circuit switched voice is defined in 3GPP Rel-9, with enhancements in Rel-10
  • 9. World’s First SRVCC Handover by Qualcomm and Ericsson (Feb 2012) 9
  • 10. Different VoIP Models Will Co-Exist OVER-THE-TOP VOIP OPERATOR 3RD PARTY PROVIDED (BEST EFFORT) PROVIDED SERVICE SERVICE Opportunity To Offer Quality Of Service IMS/RCS Operator to OTT VoIP Provider 3rd party VoIP Client Client Interoperable, ubiquitous May not interoperate with rich voice solution1 other VoIP solutions Variable Quality, Dependent Carrier Grade Voice on Network Load 10 1IMS/RCS based VoIP is the industry solution for carrier grade voice, to enable a ubiquitous VoIP solutions .
  • 11. VoLTE with VoHSPA+ Ensures Rich Voice Everywhere Integrated Presence Enhanced contacts with presence Integrated messaging, chat, synch. etc Enriched Voice/Push to Share Share multimedia content during call, such as video, pictures, files etc. Video Telephony With full interoperability Rich Services Initially VoLTE with VoHSPA+ Ensures Limited to VoLTE Coverage Consistent and Seamless Handover to WCDMA/GSM circuit switched voice Through Single Radio-VCC Rich Voice Experience 11 Based on Rich Communication Suite (RCS), an industry effort leveraging IMS to providing mobile phone services.
  • 12. VoLTE and HSPA+ VoIP Profiles Defined Common User to Common Network Common User to Network Interface to Network Interface Network Interface User to IMS User to Network IMS Network (Operator A) (Operator B) Interfaces Interfaces GSMA VoLTE and VoIP over HSPA+: • Defines common voice, sms service profiles, bearers etc. • Defines minimum support level (IMS, LTE/HSPA+, EPC) TO ENABLE INTEROPERABILITY, SCALE AND ROAMING 12 VoLTE: GSMA PRD IR.92 – “IMS Profile for Voice and SMS” completed in 2011, HSPA+ profile defined in IR.58 completed early 2012. Additional PRD on IMS roaming defined.
  • 13. 13
  • 14. 2 Billion HSPA/HSPA+ Subscribers in 2015 Will Be Using WCDMA voice HSPA/HSPA+ relies on WCDMA for voice Connections (Millions) 2,500 HSPA/HSPA+ MBB* connections in 2015 2,000 HSPA Family 1,500 HSPA/HSPA+ MBB* EV-DO Family connections in 2012 1,000 TD-SCDMA LTE 500 WiMax 0 2010 2011 2012 2013 2014 2015 14 Source: HSPA, EV-DO ,TD-SCDMA and LTE subs – Wireless Intelligence (Oct ‘11) and WiMax - ABI (Aug ‘11)
  • 15. WCDMA+: More Efficient Voice to Support More Data Triples Voice Spectral Efficiency to Free Up ~2/3 of a Carrier for Data HSPA/ FREED-UP FOR HSPA+ DOWNLINK DATA Data (UP TO ~2/3 OF A 5 MHZ WCDMA (DL) CARRIER FREED-UP) Voice SAME VOICE CAPACITY USING A THIRD OF RESOURCES WCDMA+ Voice ENHANCED CIRCUIT SWITCHED VOICE1 15 1Improvements such as overhead optimizations, early termination and new codec (EVS) 5.9kbps. Single receive antenna assumed. WCDMA+ enhancements targeted for 3GPP R12.
  • 16. More Data Capacity at All Voice Loads 100% AVAILABLE DATA VS. VOICE Data IN A 5MHz CARRIER Downlink Data WCDMA+ (or VoIP over HSPA+1) Capacity (HSPA/HSPA+) Support more data WCDMA Voice 100% Voice Voice Load 16 1For optimized VoIP over HSPA+ with features such as ROHC header compression, DTX, DRX and advanced receivers, over–the-top (OTT) VoIP less efficient than WCDMA voice
  • 17. 1X Advanced Frees Up Spectrum for Data 1X Advanced Up to 3x 4x Voice users CDMA2000 1X Voice users 1.5x x Voice users Single Mobile Voice users Antenna Rx Diversity EVRC EVRC-B BTS IC + Adv. QLIC Single RX QLIC (device IC) Radio Link Enhancements New device New device Network upgrades New channel card Same Voice Capacity in ~¼ of the Spectrum Voice Voice Data CDMA2000 1X 1X Adv EV-DO (or LTE) 17
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  • 19. Qualcomm Enables The Best Voice Experience Voice/Audio Codecs Standards Defined Qualcomm’s Calliope HDOnTM FluenceTM Deliver HD-Voice quality over legacy narrow band1 Noise suppression Using multiple microphones True HD-Voice Experience VoIP Active Noise Optimizations Cancelation Such as time-warping and de-jitter buffer Tools and Optimization Such as calibration and access to DSP. HD-Voice Across 3G Voice, IMS VoIP or Over-The-Top VoIP 19 1Such as “HDOn-eAMR” which transmits true WB compressed voice quality over a NB channel. Qualcomm’s ‘Widevoice’ can also artificially create WB voice quality at the handset
  • 20. Continuously Enhanced Codecs to Improve Voice and Audio Higher Quality, Higher Capacity, Better Music WCDMA/HSPA+ EVS AMR AMR LTE (NB) (WB) (NB, WB, SWB) 3GPP CDMA2000 EVRC-B EVRC-WB EVRC-NW 3GPP2 (NB) (WB) (NB, WB) ‘HD-Voice’ Super Wideband (Voice and Music) Wideband (Voice) Narrowband (Voice) ~7kHz 16kHz Low frequencies increases High frequencies Reproduces better naturalness, presence and improves voice clarity audio and music comfort and intelligibility 20 Note: EVS has additional modes not shown that are optimized for music, stereo and even wider bandwidths.
  • 21. Enhanced Voice Service (EVS) Codecs: Better Quality, Capacity or Both EVS SWB  Expected to be Commercial (13.3k) in 2014 Higher Quality at Similar Capacity  Designed With VoIP in Mind and targets VoLTE Voice AMR WB EVS WB (5.95k)  Qualcomm’s Calliope SWB Quality (12.65k) Codec Excellent for VoHSPA+ and Early VoLTE launch  Opportunity to Support EVS AMR Higher Capacity Across All Voice Networks for (12.2k) at Similar Quality Seamless Quality(CS and VoIP) Voice Capacity 21 Note: EVS has many additional modes not shown that are optimized for music, stereo and even wider bandwidths. Calliope: 12kbps SWB VoIP optimized codec
  • 22. Summary: Evolving Voice for More Data, Better Quality, Richer Experience Qualcomm: Comprehensive Voice Evolution Leadership  1X Advanced, WCDMA+, IMS VoIP over LTE, HSPA+, EV-DO, and seamless transitions 2G/3G Provides LTE Voice Today & Future VoLTE Fallback  CSFB widely deployed, future VoLTE needs SRVCC to ensure seamless voice VoLTE with VoHSPA+ Ensure Rich Voice Everywhere  Ensures a seamless and consistent rich voice user experience WCDMA+: More Efficient Voice to Support More Data  Triples WCDMA circuit switched voice spectral efficiency Qualcomm Enables The Best Voice Experience  Leading Voice Quality Technologies for 3G circuit switched voice, IMS VoIP and OTT VoIP (HDOn, Calliope Fluence..) 22
  • 23. Questions? Connect with Us www.qualcomm.com/technology @Qualcomm_Tech http://www.slideshare.net/ qualcommwirelessevolution http://www.qualcomm.com/blog /contributors/prakash-sangam 23