UMTS 900/1800. August 2011
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- Joseph Gallagher
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1 UMTS 900/1800 August
2 UMTS 900/1800 for Coverage and Capacity Augmentation UMTS 900 is Mainstream Combining excellent coverage of 900 MHz with superior capacity of WCDMA/ UMTS is an Ideal Choice for Refarming 900/1800 MHz WCDMA augments voice capacity; augments data capacity Multicarrier Further Enhances Performance of 900/1800 Combining superior performance of with larger coverage and capacity of 900 /1800 MHz WCDMA+ Frees-up Capacity for Data 3x Voice spectral efficiency frees up to 70% of cell data capacity 2
3 UMTS 900 is Mainstream UMTS 900 IS ESTABLASHED IS THE MOBILE BROADBAND LEADER 2000 Commercial Networks Devices by Vendors Countries Allow Refarming HSPA Family EV-DO Family TD-SCDMA LTE WiMax UMTS900 is standard in most new devices destined for Europe, the Middle East, Africa, and Asia Pacific markets, with the 900/2100 MHz combination for WCDMA-HSPA increasingly commonplace - GSA 3 1 Some countries may not need regulatory approval; Source: as of March, 2011
4 1800 Expected Commercial in 2011 Successful Field Testing in 2010 IOT Completed in 2010 Joint field testing by Orange/ Ericsson, Qualcomm Interoperability testing between infra and devices 1800 MHz components available in volume production from many vendors 1800 is Ready Qualcomm s & dual-mode /LTE 1800MHz solution RF Components Available Chipset Solutions Ready Several 1800 devices to be launched in Source: GSMA, and public announcements
5 1800 Augments Capacity Western Europe Countries: 26 Operators: 75 Eastern Europe Countries: 27 Operators: MHz Usage today Operators Americas Countries: 22 Operators: 34 Middle East Countries: 12 Operators: 21 Asia Pacific Countries: 25 Operators: 72 Countries Africa Countries: 36 Operators: 73 Large amount of globally harmonized spectrum* 50+ European operators & many in Asia-Pacific region have >10 MHz 75 MHz (FDD) defined in 3GPP Spectrum available in > 5 MHz slots E.g. 60% is in 10 MHz or more slots in top 7 European markets Licenses generally technology agnostic Minimal regulatory challenge 5 Source: GSMA whitepaper Mobile Broadband in the 1800MHz Band, July 2011
6 Qualcomm s Market Leading 1800MHz RF Solution is Ready Several 1800 devices to be launched in 2011 Multi-band/mode RF Transceiver w/ 1800MHz support Smartphones & Computing RTR8600 DC- LTE EDGE GPS Can typically support 1 5 UMTS Bands + 5 LTE Bands + 4 EDGE bands Can be paired with many baseband chipsets to support all market opportunities MSM 8960 LTE DC- MDM 9200 LTE DC- Feature Phones QSC 6295 MSM 8xxx/7xxx Modems & Data Cards MDM 8220 DC- MDM RTR8600 supports wide range of 3GPP bands. In any given configuration, only a subset of the bands are tested and supported by s/w, * Only select baseband chipsets are shown
7 WCDMA/: Ideal Choice for Refarming 900/1800 MHz Combining better coverage of lower bands with higher performance of UMTS/ 900 MHz band cost-effectively expands coverage 50-70% less cost for same coverage 2 Capex Opex 2.1 GHz 900 MHz Similar performance as LTE LTE 1x 1.2x Multicarrier further enhances benefits of 900/1800 MHz Carrier #1 Carrier #2 Carrier #3 Aggregated Data Pipe Across bands in R9 4x downlink in R10 Up to 20 MHz R7 (EQ.+ 2x2 MIMO) LTE R8 (2x2 MIMO) Carrier #4 10 MHz FDD 7
8 WCDMA/: Ideal Choice for Refarming 900/1800 MHz Combining better coverage of 900 MHz with higher performance of WCDMA/ 900 MHz band cost-effectively expands coverage 50-70% less cost for same coverage 2 Capex Opex Similar performance as LTE LTE HSPA x x R7 (EQ.+ 2x2 MIMO) 10 MHz FDD LTE R8 (2x2 MIMO) 2.1 GHz 900 MHz WCDMA+ Frees up up to 70% of cell data capacity Multicarrier further enhances benefits of 900/1800 MHz Carrier #1 Carrier #2 Carrier #3 Carrier #4 Aggregated Data Pipe Across bands in R9 4x downlink in R10 Up to 20 MHz Voice Data (DL) Voice Freed up resources for data 8 WCDMA WCDMA+
9 900 MHz Band Cost-effectively Expands Coverage Better rural coverage Improved urban indoor coverage Up to 70% larger cellradius 1 x 2.1 GHz ~1.7x 900 MHz Better building penetration and street level coverage 3 Reduced 3G porosity 50-70% less cost for same coverage 2 Capex Opex 2.1 GHz 900 MHz Proven cost-efficiency 9 1 Source: Qualcomm simulations and filed testing; 2 Source: GSA whitepaper, 2009; 3 ~ 8 db less building penetration loss for 900 MHz (based on actual measurements)
10 WCDMA+/: Best Possible Performance in 5 MHz Carriers EXCELLENT VOICE & DATA CAPACITY STRONG EVOLUTION PATH Data Capacity 1x LTE 1.2x (15.1 Mbps) More 5MHz Carriers (336+ Mbps) (12.5 Mbps) Downlink Speed Uplink Speed 168 Mbps R7 LTE R8 10 MHz FDD, 2X2 MIMO 84 Mbps WCDMA+ Frees Up Resources For Data Mbps 42 Mbps 46+ Mbps Voice Data (DL) Freed up resources for data 11 Mbps 23 Mbps Same voice capacity using a fraction of resources Voice Rel - 7 Rel - 8 Rel - 9 Rel - 10 HSPA + HSPA + (commercial) Rel-11 & Beyond HSPA + Advanced 10 WCDMA WCDMA+ Source: Qualcomm simulations
11 WCDMA+ Frees Up Resources For Data 3X IMPROVED SPECTRAL EFFICIENCY FOR VOICE 100% Voice Voice SAME VOICE CAPACITY USING A FRACTION OF RESOURCES Data (DL) Voice DATA CAPACITY EQUAL TO 70% OF A 5MHZ CARRIER BECOMES AVAILABLE WCDMA TODAY ADVANCED + NEW RECEIVERS 1 STANDARD 2 ENHANCED CIRCUIT SWITCHED VOICE 11 1 Handset Equalizer and interference cancellation. 2 Improvements such as overhead optimizations, early termination and slower power control. Qualcomm plans to submit enhancements to 3GPP R12.
12 Multicarrier Further Enhances the Performance of 900/1800 Rel. 9 supports aggregation across bands High band E.g. 2.1/1.9/1.8 GHz FDD Band Low band E.g. 900/850 MHz FDD Band 5 MHz 5 MHz 5 MHz 5 MHz Carrier #1 Carrier #2 Carrier #3 Carrier #4 Aggregated Data Pipe Across bands in R9 4x downlink in R10 Up to 20 MHz Multicarrier Device Higher data rates and lower latency for all Doubled data rates with Rel.9, even for cell-edge users Better user experience Higher capacity for bursty applications (e.g. web browsing) Even higher capacity leveraging fatter data pipe Can also be traded off for even better user experience Better utilization of all spectrum resources Providing better coverage with 900 and adding capacity with
13 WCDMA/ 900/1800 Co-exists with GSM 900/1800 GSM900 Coordinated Sites collocated Un-Coordinated Sites not collocated Co-existence is Fully Supported by 3GPP 13
14 Collocation Needs Least Amount of Spectrum to Introduce WCDMA/ 900/1800 Collocation 3GPP recommends 2.6MHz separation 2.2 MHz possible with up to 5% capacity loss Non-Collocation Needs min. 2.8 MHz separation WCDMA/ GSM WCDMA/ GSM 2.2 MHz 2.6 MHz 2.8 MHz 2 additional carriers for GSM More spectrum available for GSM with collocation 14 Sources: 1. Compatibility Study for UMTS Operating within the GSM 900 and GSM 1800 bands ECC/CEPT 2. Paper titled Frequency coordination between UMTS and GSM systems at 900 MHz submitted by Qualcomm and Huawei to 8 th Annual IEEE International Symposium (PIMRC 07)
15 Intelligent Frequency Planning Increases Capacity By minimizing interference between systems Sandwiched frequency assignment increases spectrum available for GSM GSM WCDMA/ GSM Minimizes interference between operators BCCH TCH TCH BCCH Assigning overhead (BCCH) carriers away from WCDMA/HSPA spectrum reduces impact on signaling Assigning GSM micro/pico cell sub-band away from WCDMA/HSPA spectrum minimizes interference Operators usually reserve a part of the spectrum (sub-band) for micro/picocells Micro/Pico Cell Sub-Band GSM Macro Cell Sub-Band WCDMA/ 15 Source: Compatibility Study for UMTS Operating within the GSM 900 and GSM 1800 bands ECC/CEPT
16 UMTS 900/1800 for Coverage and Capacity Augmentation UMTS 900 is Mainstream Combining excellent coverage of 900 MHz with superior capacity of WCDMA/ UMTS is an Ideal Choice for Refarming 900/1800 MHz WCDMA augments voice capacity augments data capacity Multicarrier Further Enhances Performance of 900/1800 Combining superior performance of with larger coverage and capacity of 900 /1800 MHz WCDMA+ Frees-up Capacity for Data 3x Voice spectral efficiency frees up to 70% of cell data capacity 16
17 Questions? Connect with Us m.qualcomm.com/technology /contributors/prakash-sangam 17
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