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WCDMA+ Makes VoiceMore Efficient toSupport More DataEnhancing proven WCDMAFebruary 2013

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HSPA+ Continues To Evolve 2013 2014 2015 2016+ Dual-Carrier Higher Order 10 MHz Up to 4x/20MHz MultiFlow HSPA+ HetNets&UL Enh. Across Bands WCDMA+, S-UMTS Modulation & MIMO Dual-Carrier Multi-Carrier 8x Multi-Carrier Uplink Dual-Carrier Rel-7 Rel-8 Rel-9 Rel-10 Rel-11 Rel-12 & Beyond HSPA HSPA+ HSPA+ HSPA+ Advanced DL: 14.4 Mbps DL: 28 Mbps DL: 42 Mbps1 DL: 84 -168 Mbps2 DL: 336+ Mbps4 UL: 5.7 Mbps UL: 11 Mbps UL: 11 Mbps UL: 23 Mbps2 UL: 69+ Mbps4 Rel-12 WCDMA WCDMA+ Frees up resources High Quality, Reliable, Ubiquitous Voice for HSPA+ data1R8 reaches 42 Mbps by combining 2x2 MIMO and HOM (64QAM) in 5 MHz, or by utilizingHOM (64QAM) and multicarrier in 10 MHz.2R9 combines multicarrier and MIMO in 10 MHz to reach 84 Mbps. Uplink multicarrierdoubles uplink peak data rate to 23 Mbps in 10 MHz.3R10 expands multicarrier to 20 MHz to reach up to168 Mbps with 2x2 MIMO.4R11 expands multicarrier up to 40 MHz to reach 336 Mbps with 2x2 MIMO, or 20Mhz with4x4 MIMO. Uplink 2x2 MIMO with 64QAM reaches 69Mbps. Commercial Note: Estimated commercial dates. Created 2/13/2013

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Continued Migration from GSM Voice to WCDMA Voice UMTS900 Well Established for HSPA+ Data and WCDMA Voice Commercial Networks …UMTS900 is standard in most new devices destined for Europe, the Middle East, Africa, and Devices Announced Asia Pacific markets, with the 900/2100 MHz combination for WCDMA-HSPA increasingly commonplace… Countries Allow Refarming1 - GSA1Some countries may not need regulatory approval; Source: www.gsacom.com as of Nov 20, 2012.

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WCDMA Has a Long Life Thanks to the Success of HSPA+1980 1990 2000 2010 2020 2030 Launch of Mobile Technology ~20 years Peak device volume1 ~20 years ‘3G/4G’ HSPA/HSPA+ 3G - WCDMA ~20 years Future Extrapolation 2G - GSM ~20 years 1G - AMPS ~20 years ~20 years from launch of a new mobile technology generation to peak device volume1Sources: 4 ABI June 2011 and Strategy Analytics Sept 2011, devices is only handset. A multimode device is counted only as the latest technology, e.g. a GSM/HSPA+/LTE device is counted as LTE.

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Billions of WCDMA Users for the Foreseeable FutureHSPA/HSPA+ relies on WCDMA for voice ~2.5B HSPA/HSPA+ MBB* connections Connections (Millions) end of 2016 3,000 2,500 1B HSPA/HSPA+ MBB* connections 2,000 HSPA Family reached in 2012 1,500 EV-DO Family 1,000 TD-SCDMA 500 LTE 0 2011 2012 2013 2014 2015 2016 5 Source: HSPA, EV-DO ,TD-SCDMA and LTE subs – Wireless Intelligence (Jan ‘13) . 2,437 Billion HSPA family connections expected Q4 2016

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WCDMA+ Triples Voice Efficiency to Support More Data WCDMA+ Frees Up ~2/3 of a Carrier for HSPA+ Data Extended Talk-Time: ~20% Reduced Current Consumption1 Ensures High Quality, Reliable, Ubiquitous Voice Cost-Effectively Addresses All Device Segments 61Reduction in modem current consumption during an circuit switched WCDMA+ call compared to a WCDMA call

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WCDMA+ Can Free Up ~2/3 of a Carrier for DataTriples Voice Spectral Efficiency WCDMA WCDMA+ (5MHz Carrier) (5MHz Carrier) HSPA/ FREED-UP HSPA+ FOR DATA Data (UP TO ~2/3 OF A 5 MHZ WCDMA (UL/DL) CARRIER FREED-UP) Voice1 SAME VOICE CAPACITY USING A THIRD OF WCDMA+ RESOURCES Voice ENHANCED CIRCUIT SWITCHED VOICE2 1There is ~10% DL data capacity available at max voice capacity not shown in the graph for WCDMA .Assumptions: single receive antenna and rake receiver assumed for voice, dual receive diversity assumed for data. 2WCDMA+ 7 is a 3GPP R12 candidate which proposes 1) radio link enhancements and 2) EVS 5.9kbps Source Controlled Variable Bit Rate (EVS-VBR) Wideband mode instead of AMR 12.2k vocoder

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More Data Capacity at All Voice Loads 100% Data 1.4x more data AVAILABLE DATA VS. VOICE IN 6x more A 5MHz CARRIER data DOWNLINK DATA CAPACITY (HSPA/HSPA+) 0 users 25 users 48 users VOICE LOAD 8Assumptions: Single receive antenna and rake receiver assumed for voice, dual receive diversity assumed for data. This example shows the downlink capacity gain,

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WCDMA+ Ensures High Quality, Reliable, Ubiquitous Voice Builds on Proven WCDMA Voice1 Extended Talk-Time2 ~20% reduced modem Global Roaming current consumption in Global Bands Simultaneous Voice Leverages Existing and HSPA+ Data Investments Proven Robustness with Soft-Handover1High 9 quality thanks to soft handover, proven interoperability and 10+ years of WCDMA circuit switched voice optimizations. 2Current modem consumption reduced by ~20% with WCDMA+ compared to WCDMA

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WDCMA+ Cost-Effectively Addresses All Device Segments From Feature Phones, Low-end Smartphones to High-End Smartphones Basic features—e.g. single receive antenna and no HSPA+ Latest HSPA+ features, dual receive diversity and latest advanced required—ensures cost-effective entry/low-end devices receivers provide best performance for higher end devices

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WCDMA+ is Being Standardized For improved data capacity and ~20% reduced current consumption ~ 40% FREED-UP ~2/3 FREED-UP FOR DATA FOR DATA HSPA/ HSPA+ HSPA/ Data HSPA+ (DL) Data (DL) Voice1 Same Voice Same Capacity Voice Capacity WCDMA RADIO LINK ENHANCED VOICE ENHANCEMENTS2 CODEC (EVS-VBR)3 R99 WCDMA+ 3GPP R12 CandidateAssumptions: single receive antenna and rake receiver for voice, dual receive diversity for data, shows downlink gain, uplink gain slightly different. 1There is also a ~10% DL data capacity available at max voice capacity not shown in the graph for WCDMA. 2 11 Radio link enhancements such as reduced downlink overhead and early voice frame termination. 3EVS 5.9kbps Source Controlled Variable Bit Rate (VBR) Wideband mode instead of AMR 12.2k vocoder Wideband mode.

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Continuously Enhanced Codecs Higher Quality, Higher Capacity, Better Music AMR AMR EVS (NB) (WB) (NB, WB, SWB) ‘HD-Voice’ Super Wideband (Voice and Music) Wideband (Voice) Narrowband (Voice) 8kHz 16kHz Low frequencies increases naturalness, High frequencies improves voice Reproduces better presence and comfort clarity and intelligibility audio and music Note: EVS has additional modes not shown that are optimized for music, stereo and even wider bandwidths.

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Enhanced Voice Service (EVS): Better Quality, Capacity or Both  Designed with VoIP in mind and targets Higher VoLTE. Expected to be Commercial in EVS SWB Capacity at (13.3k) Similar Quality 2014  EVS-VBR for WCDMA+: 5.95kbps Voice AMR WB EVS-VBR WB Wideband Source Controlled Variable Quality (12.65k) (5.95k) Bitrate Codec Higher AMR Capacity at  Opportunity to Support EVS across all (12.2k) Higher Quality voice networks for seamless quality (CS and VoIP) Voice CapacityNote: EVS has many additional modes not shown that are optimized for music, stereo and even wider bandwidths.

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Circuit Voice Has A Long Life Duringthe 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 with SRVCC ecosystem is being developed and expanded Proven Circuit Voice: High Quality, Reliable, Ubiquitous1 WCDMA+: Long life of HSPA+ means long life of WCDMA 2020+ 1Thanks 14 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

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Summary: Triples Voice Efficiency to Support More Data WCDMA+ Frees Up ~2/3 of a Carrier for HSPA+ Data Extended Talk-Time: ~20% Reduced Current Consumption1 Ensures High Quality, Reliable, Ubiquitous Voice Cost-Effectively Addresses All Device Segments 151Reduction in modem current consumption during an circuit switched WCDMA+ call compared to a WCDMA call

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