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Scalable UMTS Optimal solution for refarming fragmented GSM spectrum

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Scalable-UMTS: accelerating GSM refarming

S-UMTS

UMTS/HSPA+ in and bandwidths

Maximizes the utilization of existing UMTS/HSPA+ spectrum

Maintains coverage and spectral eiciency

Broad industry support for standardization

Enables refarming of fragmented GSM spectrum

Squeezes-out additional or carrier from existing contiguous 15 or 10 MHz allocations

Same link-budget as UMTS/HSPA+; Voice and data capacity scales with bandwidth

Candidate feature in 3GPP Rel. 12

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GSM refarming challenge - non 5MHz fragmentsRepresentative examples of 900 MHz Spectrum

India (Delhi)

Czech Republic

Brazil

1.8 3.6 1.4 3 4.4 2.8 2.4 1.2 2 MHz

China

MHz

4.1 4.1 4.1 2 2 2 2 2 MHz

(Spectrum is allocated based on geography)

Operator 1

Operator 2

Operator 3

19 6

1.5 2.5 2.5 2.5 2.5 2.5 MHz11 10

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S-UMTS: UMTS/HSPA+ in

5

Maintains coverage, spectral eiciency & voice quality

Same coverage

Same link budget*

S-UMTS

Full UMTS

* When using same spectrum

Same spectral eiciency & voice quality

Same Coverage*

Capacity scales with bandwidth

Same signaling overhead percentage

Less UE implementation complexity

Uses same voice codecs

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S-UMTS enables refarming of all GSM spectrum

UMTS

UMTS

Full UMTS Carrier(900 or 2100 MHz)

UMTS

UMTS S-UMTS

GSM

Full UMTS Carrier

5 MHz

5 MHzThrough HSPA+ multicarrier

Stand-alone WCDMA/HSPA+

Eventually, migrate fully to UMTS/HSPA+

Rapidly launch UMTS/HSPA+, without waiting for full clearing(while continuing to support GSM traic)

Allows use of

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Maximizes the utilization of existing UMTS/HSPA+ spectrum

10 MHz

4.2 MHz 4.2 MHz

10 MHz

4.2 MHz

UMTS

1.05 MHz

Additional Carrier

Additional Carrier

Full UMTScarrier

Full UMTScarrier

Full UMTScarrier

15 MHz

4.2 MHz 4.2 MHz 4.2 MHz

Full UMTS Carrier

Full UMTS Carrier

Full UMTS Carrier

UMTS

15 MHz

2.1 MHz4.2 MHz

10 MHz

Today With S-UMTS

15 MHz

Full UMTScarrier

Full UMTScarrier

Full UMTScarrier

Full UMTScarrier

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Launch 3G even with only small amount of spectrum

Additional use cases

Many more

GSM GSM

Full UMTS Carrier S-UMTS

Femto onlyMacro Network

Full UMTS Carrier S-UMTS

Traditional services M2M Only

Especially useful for emerging markets and areas where operators dont have enough spectrum

Allows oering dierentiated QoS/features suitable to M2M services

Provides suicient capacity, and data rates

Dedicated carrier for M2M services

Dedicated carrier for FEMTO deployments

S-UMTS

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Supported by

S-UMTS standardization industry support

Live over-the-air demoQualcomm and Huawei joint eortBarcelona

25 28 February 2013

Candidate feature in Rel. 12

China Unicom Huawei HiSilicon

Telefonica Ericsson ST Ericsson

Qualcomm

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@Qualcomm_tech

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

http://www.slideshare.net/qualcommwirelessevolution

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