Mobile Broadband Comparison. CDMA Development Group March 2008

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1 Mobile Broadband Comparison CDMA Development Group March 2008

2 Assumptions and Notes for the Technology Comparison This document compares the performance of existing and future mobile communications systems For existing technologies, the performance is based on empirical measurements from commercially available systems including CDMA2000, 1xEV-DO Release 0 (Rel.0), 1xEV-DO Revision A (Rev. A), GPRS, EDGE, WCDMA, HSDPA and HSPA For technologies still under development, the latency performance is based on laboratory test results and spectral efficiencies/sector throughputs are based on computer simulations that take into consideration expected implementation margins, reasonable coverage and a variety of mobility conditions 3GPP and 3GPP2 mixed channel model simulation methodologies were used to most closely estimate the actual system performance that operators should expect to get in the field values the vendors are willing to Guarantee For 3GPP technologies, Rel. 99 is shown as WCDMA; Rel. 5 as HSDPA; Rel. 6 as HSPA; Rel. 7 as HSPA+ Page 1

3 Assumptions and Notes for the Technology Comparison To provide a basis for a fair comparison, a common set of assumptions and parameters are made across all technologies whenever possible: Bandwidth: 10 MHz (2x5 MHz FDD or 10 MHz TDD 2:1) RF environment: Mobility in PCS band (1.9~2 GHz) VoIP: Voice quality equivalent to that of existing circuit-switched wireless systems in a full mobility environment. For 3GPP2 systems, an EVRC codec is assumed and for other systems, an AMR 7.95k codec is assumed Latency: Round Trip Time (RTT) of a 32 byte ping, assuming a minimum network and backhaul delay in a laboratory environment Page 2

4 Items for Comparison Spectral Efficiency Downlink Uplink Speed Downlink Uplink Voice over IP (VoIP) Capacity Latency Page 3

5 CDMA2000 Evolution Path Delivers Industry Leading Spectral Efficiencies CDMA2000 continues to evolve to deliver increasingly higher spectral efficiencies and improved performance to meet the growing demand for rich mobile data applications Downlink Spectral Efficiency 1 2x5 MHz FDD or 10 MHz TDD 2:1 Bandwidths Bits/sec/HZ EV-DO Rel 0 EV-DO Rev. A EV-DO Rev. B GPRS EDGE WCDMA HSDPA HSPA HSPA+ WiMAX 1/3 WiMAX 1/3/1 LTE 1 Efficiencies for existing systems are field verified. Efficiencies for future systems include proper implementation margins and RF environment. 3GPP2 Assumptions, 5 MHz FDD, and EV-DO assume 3 carriers. EV-DO assumes 1x2 SIMO. Rev. B includes Hardware Upgrade and 2x2 MIMO 3GPP Assumptions, 5 MHz FDD, WCDMA assumes no DSCH. HSDPA assumes 1x1 SISO, HSPA assumes 1x2 SIMO; HSPA+ includes 1x2 SIMO and equalizer: LTE includes 2x2 MIMO WiMAX Forum Assumptions, D:L = 2:1, 2x2 MIMO; Reuse = 1/3 in 3x3.33 MHz TDD carriers; Reuse = 1/3/1 FFR within 10 MHz TDD channel Page 4

6 CDMA2000 Evolution Path Delivers Industry Leading Spectral Efficiencies CDMA2000 continues to evolve to deliver increasingly higher spectral efficiencies and improved performance to meet the growing demand for rich mobile data applications Uplink Spectral Efficiency 1 2x5 MHz FDD or 10 MHz TDD 2:1 Bandwidths Bits/sec/HZ EV-DO Rel 0 EV-DO Rev A, B no IC EV-DO Rev A, B IC GPRS EDGE WCDMA HSDPA HSPA HSPA+ no IC HSPA+ IC WiMAX 1/3 WiMAX 1/3/1 LTE 1 Efficiencies for existing systems are field verified. Efficiencies for future systems include proper implementation margins and RF environment. Page 5 3GPP2 Assumptions, 5 MHz FDD, and EV-DO assume 3 carriers. Rev. A and Rev. B includes no Interference Cancellation (no IC) and interference cancellation (IC); Rev. B includes hardware upgrade and 1x2 SIMO 3GPP Assumptions, 5 MHz FDD, HSPA+ and LTE includes 1x2 SIMO. HSPA+ includes no IC and IC, HSPA = Rel. 6. HSPA+ = Rel. 7 WiMAX Forum Assumptions, D:L = 2:1; Reuse = 1/3 in 3x3.33 MHz TDD carriers 2x2 MIMO; Reuse = 1/3/1 FFR within 10 MHz TDD channel 1x2 SIMO

7 CDMA2000 Continues to Evolve to Deliver Industry Leading Data Downlink Throughputs High aggregate downlink throughputs enable CDMA2000 operators to offer robust bandwidth intensive applications, such as real-time video and push-to-multimedia services to more users DownlinkSpeeds 1 Aggregate Downlink Data Rates per Sector in 2x5 MHz FDD or 10 MHz TDD 2:1 Bandwidths Kbps/5MHZ EV-DO Rel 0 EV-DO Rev. A EV-DO Rev. B GPRS EDGE WCDMA HSDPA HSPA HSPA+ WiMAX 1/3 WiMAX 1/3/1 LTE 1 Efficiencies for existing systems are field verified. Efficiencies for future systems include proper implementation margins and RF environment. 3GPP2 Assumptions, 5 MHz FDD, and EV-DO assume 3 carriers. EV-DO assumes 1x2 SIMO. Rev. B includes Hardware Upgrade and 2x2 MIMO 3GPP Assumptions, 5 MHz FDD, WCDMA assumes no DSCH. HSDPA assumes 1x1 SISO; HSPA assumes 1x2 SIMO; HSPA+ includes 1x2 SIMO and equalizer; LTE includes 2x2 MIMO and equalization WiMAX Forum Assumptions, D:L = 2:1; 2x2 MIMO; Reuse = 1/3 in 3x3.33 MHz TDD carriers; Reuse = 1/3/1 FFR within 10 MHz TDD channel Page 6

8 CDMA2000 Continues to Evolve to Deliver Industry Leading Data Uplink Throughputs High aggregate uplink throughputs ensure that CDMA2000 users can send large files and real-time video from their handsets, while CDMA2000 operators can offer video conferencing and monitoring Uplink Speeds 1 Aggregate Uplink Data Rates per Sector in 2x5 MHz FDD or 10 MHz TDD 2:1 Kbps/5MHZ EV-DO Rel 0 EV-DO Rev A, B no IC EV-DO Rev A, B IC GPRS EDGE WCDMA HSDPA HSPA HSPA+ no IC HSPA+ IC WiMAX 1/3 WiMAX 1/3/1 LTE Page 7 1 Efficiencies for existing systems are field verified. Efficiencies for future systems include proper implementation margins and RF environment. 3GPP2 Assumptions, 5 MHz FDD, and EV-DO assume 3 carriers. Rev. A and Rev. B include no Interference Cancellation (no IC) and interference cancellation (IC); Rev. B includes hardware upgrade and 1x2 SIMO 3GPP Assumptions, 5 MHz FDD, HSPA+ and LTE includes 1x2 SIMO; HSPA+ includes no IC and IC, HSPA = Rel. 6. HSPA+ = Rel. 7 WiMAX Forum Assumption,; D:L = 2:1; Reuse = 1/3 in 3x3.33 MHz TDD carriers 2x2 MIMO; Reuse = 1/3/1 FFR within 10 MHz TDD channel 1x2 SIMO

9 CDMA2000 Offers a Competitive Advantage in Delivering VoIP-based services CDMA2000 will be first to support carrier-grade VoIP in 2008 EV-DO and are best suited for delivering VoIP services over wireless networks Voice over IP (VoIP) Capacity 1 VoIP capacity measured in number of simultaneous users per sector 2x5 MHZ FDD for CDMA and 3x10 MHz TDD DL:UL=2:1 with 1/3 Reuse for WiMAX Simultaneous Calls per Sector EV-DO Rev A, B no IC EV-DO Rev A, B PIC EV-DO Rev A, B Full IC HSPA+ no IC HSPA+ IC WiMAX 1/3 (3x10MHz) 2 LTE Simultaneous Calls/Sector Page 8 1 Channel Capacities reflect the effects of frequency reuse and overhead structure. 2 A bandwidth of 30 MHz is necessary to assign a separate 10 MHz frequency assignment for each sector Carrier grade VoIP assumes handsets with a quality comparable to that in the existing wireless systems under mobility environment. CDMA2000: 3GPP2 Assumptions, EV-DO Rev A and B 3 carriers in 5 MHz FDD with no Interference Cancellation (no IC), Pilot Interference Cancellation (PIC) and Full Interference Cancellation (IC) 3GPP Assumptions, 5 MHz, FDD WiMAX Forum, 3x10 MHz TDD DL:UL=2:1 with 1/3 reuse

10 CDMA2000 Evolution Path Delivers Low Latencies CDMA2000 family of standards continues to evolve to offer lower average latencies to enable delay-sensitive services such as video telephony and VoIP-based applications Average Latencies 2 End-to-End Average Ping Time (RTT 1 ) Between Network Nodes msec EV-DO Rel 0 EV-DO Rev. A EV-DO Rev. B GPRS EDGE WCDMA HSDPA HSPA HSPA+ WiMAX 1/3 WiMAX 1/3/1 LTE 3 1 The round trip time (RTT) latency of existing systems is based on laboratory measurements using 32 Byte ping. 2 The RTT latency of future systems is based on air interface specification under laboratory environment and reasonable backhaul and network delays. 3 LTE RTT latency is expected to be comparable to that of, pending the completion of the standard. Page 9

11 CDMA: Time-to to-market Leadership 3G CDMA Evolution Path DL: 153 kbps UL: 153 kbps (1.25 MHz, FDD) 1xEV-DO Rel 0 DL: 2.4 Mbps UL: 153 kbps (1.25 MHz, FDD) Rel-99 WCDMA DL: 384 kbps UL: 384 kbps (5 MHz, FDD) Rel-5 HSDPA DL: Mbps UL: 384 kbps (5 MHz, FDD) 1xEV-DO Rev. A 1 DL: 3.1 Mbps UL: 1.8 Mbps (1.25 MHz, FDD) Rel-6 HSPA DL: Mbps UL: 5.72 Mbps (5 MHz, FDD) VoIP EV-DO Rev. B 1 DL: 9.3/ Mbps UL: 5.4 Mbps (5 MHz, FDD) Rel-7 HSPA+ 5 DL: Mbps UL: 11 Mbps (5 MHz, FDD) VoIP OFDMA Evolution Path VoIP Mobile WiMAX WiMAX 1/3 7 DL: 6.1 Mbps UL: 2.7 kbps (10 MHz TDD) WiMAX 1/3/1 8 DL: 35 Mbps UL: 8.2 Mbps (10 MHz TDD) 3 DL: Mbps 4 UL: Mbps (5-20 MHz, FDD) VoIP VoIP LTE 6 DL: Mbps UL: Mbps (5-20 MHz, FDD) Note: timeline depicts initial commercial availability of each technology. Those introduced beyond 2008 are under standardization and are subject to variability. 1 EV-DO Rev. A and Rev. B incorporate OFDM for multicasting 2 Data Rates based hardware upgrade 3 Multiple modes supported: CDMA, TDM, OFDM, OFDMA, LS-OFDM. New antenna techniques used: 2x2 MIMO and SDMA. Leverages EV-DO protocol stack 4 Data rates are based on 2x2 MIMO. Data rate depends on the level of mobility 5 Upper range DL peak data rates are based on 2x2 MIMO 6 Initial requirements are based on OFDMA in the DL and SC-FDMA in the UL, FDD, 64 QAM, 2 TX MIMO in DL, and single TX stream in UL 7 Based on Reuse = 1/3 in 3x3.33 MHz TDD carriers 2x2 MIMO, DL:UL 2:1 8 Based on Reuse = 1/3/1 FFR within 10 MHz TDD channel 2x2 MIMO ; DL:UL =2:1 Page 10

12 Coexistence of CDMA and OFDM-based Solutions OFDM-based solutions will complement 3G CDMA solutions Existing Spectrum Migration Path CDMA2000 CDMA2000 1xEV-DO Rel. 0 EV-DO Rev. A Multi-carrier EV-DO Rev. B Complementary Solutions New Spectrum Broadband Technologies 1) Mobile WiMAX (801.16e) or or 2) 3) m LTE

13 Summary of comparison When comparing it is important to specify the same criteria for each technology and to use YOUR market requirements CDMA2000 family evolves to provide very competitive performance CDMA2000 operators who eventually add complementary OFDMA systems will benefit from: An upgradeable CDMA2000 network with a long life A time to market advantage Dual mode devices Page 12

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