GU900 Refarming E2E Solution for Sabafon

www.huawei.com

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Security Level:

HUAWEI TECHNOLOGIES CO., LTD.

GU900 Refarming Solution For

Sabafon

Author/ Email: Michael


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Agenda

Industry Insights

Refarming Main Focus

What we need to do?


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GU900 Refarming Perfect for Rural MBB and Urban Indoor Coverage

UMTS 900Mhz 2.5~3 times larger than UMTS 2.1GHz

UMTS 900Mhz 50% ~ 70% less than UMTS 2.1GHz

2100MHz

900MHz

U900 radiation loss is 10~12dB less than U2100

UMTS 2100 1Mbps

UMTS 2100 Voice

GSM1800 Voice

UTMS 900 1Mbps

UMTS 900 Voice

GSM900 Voice

0.0 2.0 4.0 6.0 8.0 10.0 12.0 14.0

Cell Area(Km2)


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70% 80% 90%

98%

15% 12%

7%

0%

20%

40%

60%

80%

100%

2012 2013 2014 2015

U900&U2.1 U2.1 Only GSM Only

1.50%

978 UMTS900 terminals announced

GU Terminal Proportion

U900 Industry Chain is Mature, all Popular UEs can Support U900

P1 D1

Huawei

i9220 7100/7101

Samsung Galaxy Blackberry

9380 9700

Apple

iPhone 4/4s iPad (mini) iPhone 5

HTC

One X One S 8 S

All star terminals support U900 & U2100 Source: GSA


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44 57 78

117

186

2012Q2 2012 2013 2014 2015

186 U900 Networks will be Commercial at 2015

SourcemLab

More Operator Choose U900

U900 & U2100 Dual Band Network is Becoming Industry Standard

Huawei share 44% Market

Industry largest U900 Refarming Network: France SFR

1st Commercial 4.2M U900 NetworkAustralia Optus

1st Commercial 3.8M U900 NetworkPoland P4

Most 3.4MHz~4.2MHz application: P4 ,Optus, H3G Hongkong, Bell Canada, Vodafone

49 commercial network by 2013 Q3

Based on GSA Report and Huawei MI

Some networks

by 2 vendors

44%

23%

22%

11%

Huawei

Ericsson

NSN

Others


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GU850/900MHz Refarming is the Best Solution for MBB

Coverage

Wide Coverage: UMTS 850/900MHz 2.5~3 times larger than UMTS 2.1GHz

Indoor Coverage : UMTS 850/900MHz 10dB better than UMTS 2.1GHz

Capacity

UMTS spectrum efficiency is much higher than GSM

TCO

TCO (UMTS 850/900MHz) is less than TCO (UMTS 2.1GHz) 30%~50% sites can be save to cover the same area compared with UMTS 2.1GHz

Evolution

Release more 850/900MHz frequencies for U850/900 to improve the user experience


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Agenda

Industry Insights


What we need to do ?


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Interference Control

Load Balancing

Sandwich frequency allocation

avoid inter-operator interference Buffer Zone

100% eliminate neighbor cell interference

Main Focus of GU900MHz Deployment

How to improve spectrum efficiency?

How to migrate G900 subs.?

U900

3.8MHz

G900 G900

HR, VAMOS to improve GSM capacity

G900->G1800/U900/U2100

NBIS

Buffer Zone

100% eliminate neighbor cell interference GSM Advanced Power Control

How to eliminate GU interference?

How to reduce TCO?

SingleRAN @ SDR Save 50% TCO

3 years ahead of industry

Large scale commercialization

Field-proven performance

G

+

U

U

M

T

S

Software GSM: VAMOS, TFR

UMTS: 3.8Mhz, S-UMTS

Industry highest spectrum efficiency


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Huawei Superior Spectrum Efficiency: Saving 56%+ Spectrum

for Easier Refarming

Commercially deployed 3.8MHz/4.2Mhz UMTS for

Commercially deployed GSM tighter frequency reuse for Reliance in India.

5Mhz per carrier

G222: 4.8Mhz

G444: 9.6Mhz

G555: 12Mhz

G111+U111: 7.4Mhz

G222+U111: 9.8Mhz

G444+U111: 14.6Mhz

G555+U111: 17Mhz

G777+U111: 21.8Mhz

3.8Mhz per carrier

G222: 3.6Mhz

G444: 5Mhz

G555: 5.9Mhz

G111+U111: 6.2Mhz

G222+U111: 7.4Mhz

G444+U111: 8.8Mhz

G555+U111: 9.7Mhz

G777+U111: 11Mhz

24% Less Frequency UMTS

Up to 56% Less Frequency GSM

16% - 43% Less Spectrum Total

Huawei s solution Conventional solution

Spectrum Efficiency


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VAMOS Improves 30% GSM Capacity

Without VAMOS With VAMOS

Maximum 2 user Per TS Maximum 4 user Per TS

Rural/Suburban area Refarmed GSM

Recommended scenarios:

No sharp subs growth potential, loose frequency reuse

HR penetration > 85%

Not sensitive to voice quality (0.3 MOS might drop)

Temporary capacity raise needed for refarmed GSM

Spectrum Efficiency

30% Capacity Gain@ 100% VAMOS terminal Penetration

Best utilization of available

frequency spectrum


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Capacity increased ,expand the sites from S222/BTS to S444/BTS site type with only 4.4MHz. Generally S444 needs minimum 9.6MHz without Tighter Frequency Reuse solution.

KPI Preserved Traditional Solution Huawei Solution

Current site configuration:

S444

Legacy site configuration

S222

Large number of population

Limited spectrum resource

With 4.4MHz Spectrum

Huawei GSM Tighter Frequency Reuse Solution Double The

Configuration in Reliance, without KPI Decrease

Double the configuration

Spectrum Efficiency


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UMTS 5.0MHz

2.6MHz

3.8MHz/4.2MHz U900 Save Spectrum with Guaranteed Performance

Key Benefits :

Flexible UMTS carrier 3.8M, 4.2M 5M

Up to 1.2Mhz spectrum saved

Supported with standard 3G terminals

GSM GSM UMTS 4.2MHz

2.2MHz

2007 Optus, Australia ; 2010 SFR, France

GSM GSM UMTS 3.8MHz

2.0MHz

P4, Poland in 2011

0

0.5

1

1.5

2

2.5

3

HSDPA HSUPA

U5.0M U4.2M U3.8M U5.0M U4.2M U3.8M

5% 15%

5% 18%

Mbps

Average cell Throughput loss vs. U5.0MHz

Spectrum Efficiency


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898.8 906.6 883.4 886.4

CDMA

3.2MHz 16 Frequency Points

1 2 3 4

65

882

282

160

Spectrum Distribution in Sabafon When Refarming

1.6MHz

(8 Frequency points) 2MHz

(10 Frequency points)

TRX Number

Ce

ll N

um

be

r

TRX Distribution in Sana

Key Benefits :

Up to 0.8Mhz spectrum saved

6.8MHz(34 Frequency points) for GSM

Supported Configuration up to S4/4/4


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Load Balancing







U900

3.8MHz

G900 G900


G900->G1800/U900/U2100

NBIS

Buffer Zone



How to reduce TCO?





G

+

U

U

M

T

S





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CAPEX Saved

No TMA

No combiner

Reuse legacy air-conditioner for G/U

Reuse legacy batteries for G/U

OPEX Saved

more than 50% power saved

more than 20% transmission saved

more than 50% maintenance cost saved

SDR is Best Solution for Refarming

Modernize out-of-date GSM BSS so as to reduce GSM OPEX thereafter

Sharing all legacy facilities, almost NO additional CAPEX in accessories

Ready for 2G/3G capacity adjustment as users migrating from GSM to UMTS

With Huawei

- 40+ operators done refarming with SDR solution

TCO Saving

U900 G/U

SDR

SASU GSM A/C UMTS A/C

GSM

Batteries

UMTS

Batteries

antenna legacy devices additional devices

saved devices

G/U

S

D

R

G/U

S

D

R

G/U

S

D

R

G 1

8

0

0

G 1

8

0

0

G 1

8

0

0

BTS3900A/AL


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Refarming and Keep the Same 2G Output Power, Even Improve TCO Saving

G 9

0

0

G 9

0

0

G 9

0

0

Other Vender

G/U

S

D

R

G/U

S

D

R

G/U

S

D

R

Huawei

3T6R

80W *3 with BW 20MHz

60W*3 with BW 35MHz

Dont support 2*2 MIMO

6T6R

Output Power

80W*2*3 with BW 35MHz

Support 2*2 MIMO

Sabafon BW: 883.4 ~ 906.6 BW=21.4 MHz

Scenaro: G4+U1

Total Power: 60W

UMTS:20W

GSM: 4TRX Sharing 40W

Each TRX: 10W

Scenaro: G4+U1

UMTS:40W

Each TRX: 27W

Scenaro: G7+U1

UMTS:20W

Each TRX: 20W

Scenaro: G4+U1 2*2MIMO GSM 30W*4 + UMTS 20W*2 MIMO

GSM 25W*4 + UMTS 30W*2 MIMO

GSM 20W*4 + UMTS 40W*2 MIMO


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Load Balancing







U900

3.8MHz

G900 G900


G900->G1800/U900/U2100

NBIS

Buffer Zone



How to reduce TCO?





G

+

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U

M

T

S





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G900 User Migration Proposal

Method:

G900&G1800 joint capacity plan

G1800 Extension

Method:

G900, U900 & 2100 Joint Capacity plan

GU interworking solution UMTS multi-carrier solution

Method:

HR/AMR HR RF Hopping VAMOS UISS+IBCA ICC/EICC/SAIC

Sabafon have enough 900M bandwidth to do refarming, Huawei suggest to keep the

existing G900 site configuration and no need user migration.

G900 User Migration

Traffic to G1800 Traffic to UMTS G900 TFR solution

Transfer traffic from G900 to other bands to guarantee the G900 network quality


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Load Balancing







U900

3.8MHz

G900 G900


G900->G1800/U900/U2100

NBIS

Buffer Zone



How to reduce TCO?





G

+

U

U

M

T

S





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Innovative Solution to Reduce Interference

GU Site allocation Advanced filter

Spectrum allocation Buffer Zone

Minimum

Interference for

G/U 100% co site

GSM power control

Neighbor Frequency

Interference Same Frequency

Interference

Interference control

Buffer Zone

Rural

All 900MHz

for GSM

UMTS 900 &

Re-planned GSM 900

UMTS & GSM 900 Network


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GU900 Co-site Deployment to Minimize Inter-RAT Interference

G/U 100% Co-Site G/U Partial Co-Site G/U on different Site

G900 BTS

U900 NodeB

Least Interference Medium Interference High Interference

G/U Co-site solution is preferred regarding interference and TCO


Best Mode Worse Mode Worst Mode


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street lamp, walky talky, electronic billboard

~30% interference are NBI

Frequent NBI Impact capacity & coverage

Advanced filter

Automatic detection

Active interference suppression

Interference

Automatic Suppression

20% coverage gain

NBIS: Narrow Band Interference Suppression

NBIS Reduce External Interference for U900



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Sandwich Solution Decrease Interference When U900 < 5Mhz


Advantage:

No Interference for other operators network

Save more GSM frequencies while using non-standard separation

Disadvantage:

Discontinuous frequencies make GSM frequency planning more complicated.

UMTS

System

GSM Op A GSM Op A f1 f2

Recommended Sandwich Allocation Mode

Advantage:

Easy GSM planning and 2nd carrier U900 Refarming

One side GU interference

Disadvantage:

Frequency gap f2 of 2.6MHz should be reserved between UMTS

carrier and the adjacent GSM carrier of other operator. UMTS System

GSM Op A GSM Other Op

f1 f2

Not Recommended Edge Allocation Mode


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Creative Buffer Zone Decrease GU900 Same Band Interference

GU900 Area3

GSM900 Area1

GSM900

Area 1

All the 900MHz bandwidth can be

configured for GSM900.

GSM900 Area2: Buffer Zone

Area 2

The UMTS frequency in area 3 will not be

used in buffer zone, in order to reduce

GSM and UMTS same frequency

interference.

GSM900 GSM900

Area 3

GSM and UMTS frequency re-

planned after Refarming .

UMTS900

GSM900 GSM900

By these Buffer zones, the same frequency interference can be reduced effectively



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MR based Buffer Zone Planning Save 25% Buffer Zone Sites

Method 1: Based on experience

Buffer zone size: 157 cells

Based on coverage prediction Low accuracy

Method 2: Based on simulation


Based on UNET simulation For initial deployment

Method 3: Based on MR data


Based on MR data Accurate Planning

MR based Buffer Zone Planning is the most efficient way


Egypt


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Power compression

Power compensation

3.8MHz

5MHz

Dirty frequency

GSM Power Control to Decrease Interference

10%20% gain for UMTS downlink throughput per user


Lower adjacent G900 carrier output power

to decrease interference to U900

Lower adjacent G900 carrier output power

to decrease interference to U900

Lower adjacent

G900 carrier

output power to

decrease

interference to

U900

Clean frequency

Clean frequency

Dirty frequency


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Why Huawei ? Why 44% U900 Market share?

Only Huawei Can Provide Best Spectrum Efficiency Solution (S444 only need 4.4MHz)

1st Commercial 4.2M U900 NetworkAustralia Optus

1st Commercial 3.8M U900 NetworkPoland P4

The originator of Sandwich Frequency Planning Solution.

Highest Output Power Guarantee Coverage No Reduce After Refarming

Only Huawei Can Provide NBIS : Narrow Band Interference Suppression

Reduce External Interference for U900, Enhance coverage and capacity.

Creative Buffer Zone Decrease GU900 Same Band Interference

Buffer Zone Planning Base On Measurement Report.

Enhanced Power Control Reduce the Dirty frequency Output Power

Decrease Interference


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Agenda

Industry Insights


What We Need To Do?


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Pick out all Micro Sites

Pick out Site which is too close between each other

Pick out Site which the antenna height is too high

Thank You www.huawei.com

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Copyright2012 Huawei Technologies Co., Ltd. All Rights Reserved. The information in this document may contain predictive statements including, without limitation, statements regarding the future financial and operating results, future product portfolio, new technology, etc. There are a number of factors that could cause actual results and developments to differ materially from those expressed or implied in the predictive statements. Therefore, such information is provided for reference purpose only and constitutes neither an offer nor an acceptance. Huawei may change the information at any time without notice.

Documents

GU900 Refarming E2E Solution for Sabafon