Huawei LTE Re-Farming Solution - Middle East Spectrum Conf Bahrain 03-2012 - Final - Emmanuel HUAWEI

 

Security Level:

Middle East Spectrum Conference 2012

LTE ReRe-farming -farming Solution Bahrain, 03 03--2012 -2012  

www.huawei.com

Emmanuel Coelho Alves Alves (Huawei HQ)

HUAWEI TECHNOLOGIES TECHNOLOGIES CO., LTD.

 

CONTENTS

1. LTE Re-farming Market Trends  

2. LTE Re-farming Challenges and Solutions

HUAWEI HUAW EI T ECHNOLOGIES CO., LTD.

Page 2

 

Re-farming Is Strategic For Dealing With 2G, 3G & LTE In Parallel    )    0    0    0    1   x    (   r   a   e   y   r   e   p    t   n   e   m   p    i    h   s   s   e   c    i   v   e    d   e    l    i    b   o    M

Africa & Middle East Region

250000

73%

50%

200000 150000

2G

50% 23%

100000

3G LTE

50000 4% 0.02%

0 2008

2009

2010

2011

2012

2013

2014

2015

2016

2017

2018

2019



2020

[09-2011] !

Source: Jefferies report Mobility 2020 How An Increasingly Mobile World Will Transform TMT Business Models Over the Coming Decade http://www.navocate.com/Downloads/Industry%20Outlooks/Mobility%202020,%20mobile%20devices,%20social%20media,%20market%20projections.pdf 

Re-farming can ensure a smooth transition to LTE in re-using operators  spectrum assets across the time (e.g. GL1800MHz) "

HUAWEI TECHNOLOGIES CO., LTD.

Huawei Confidential

Page 3

 

Multiple Frequency Options Exist To Apply Apply LTE Re-farming Re-fa rming Low frequency bands è Limited re-farming opportunities due to the lack of resources on 850/900MHz

R

LTE

High frequency bands è Several re-farming options; 1800MHz being top priority R

R

LTE

LTE

R R

LTE   y   r    t   n   u   o   c    (

R

LTE LTE

R

LTE

LTE

LTE

TDD

DD800MHz FDD

850MHz FDD

BW 2x30MHz

BW 2x25MHz

900MHz FDD BW 2x35MHz

New

2G/3G

2G/3G

700MHz FDD BW 2x45MHz (Digital Dividend)

New

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Source: 3GPP TS 36.104 (3GPP R10 version)

2.3GHz TDD BW 1x100MHz 1800MHz FDD BW 2x75MHz

AWS FDD BW 2x45MHz

2G

3G

Huawei Confidential

2100MHz FDD BW 2x60MHz

LTE LTE

New

TDD

  e    d   o   m    D    D    T   o    t    d   n   a    b   e    l   o    h   w   e    h    t   n   g    i   s   s   a   o    t    )   y   n    t    i   o    l    i    i    t    b    i    l   a   s   u   s   g   o   e    P  r

TDD

2.6GHz FDD/TDD 3.5GHz TDD BW 2X70MHZ BW 1x200MHz BW 1x190MHz

3G Page 4

TDD Wimax

Note:: Japan may add other bands for LTE services e.g. 1.5GHz, 1.7GHz Note

 

About LTE Re-farming How About Re-fa rming Forecasts?

New LTE band band: 700MHz LTE Re Re---farming farming farming: 1900MHz, AWS, 2.6GHz (TDD) LTE freque frequency ncy bands

Number of Number operators (E2011)

850MHz

2 (South Ko Korea)

900MHz

2 (Sweden)

1500MHz

1 (Japan)

1700MHz

1 (Japan)

1800MHz

15 (APAC, Europe, MENA)

1900MHz

1 (North America)

AWS

5 (North America)

2.1GHz

2 (APAC)

2.6GH .6GHz z (TD (TDD D)

2 (A (APAC, MEN MENA A)

New LTE band band: DD800MHz, 2.6GHz LTE Re Re---farming farming farming: 900MHz (niche), 1800MHz, 3.5GHz (TDD)

New LTE band band: 2nd digital dividend (WRC-12), 2.3/2.6GHz LTE ReRe--farming farming farming: 1800MHz, 2.1GHz (niche), 2.3/2.6GHz (TDD), 3.5GHz (TDD)

New LTE band*: band* APT-700MHz, 2.3GHz, 2.6GHz LTE Re Re---farmi fa farming*: rming* ng* 850MHz, 1800MHz, 2.1GHz (niche), 2.6GHz (TDD), 3.5GHz (TDD) *) In addition 1.5GHz and 1.7GHz in Japan

New LTE band band: 700MHz, 2.6GHz LTE Re Re---farming farming farming: 1900MHz, AWS, 3.5GHz (TDD)

End of 2011, 30% of LTE users were served by re-farming bands 5 HUAWEI TECHmain NOLOGIES C O., LTD. HuaweiRe-farming Confidential Currently streams for LTE are Page 1800MHz and AWS

 

CONTENTS

1. LTE Re-f Re-farmin arming g Market Market Trends  

2. LTE Re-farming Challenges and Solutions

HUAWEI HUAW EI T ECHNOLOGIES CO., LTD.

Page 6

 

Challenges & Solutions To To Handle LTE Spectrum Re-farming Re- farming

Spectrum re-farming

§

§

Spectrum resources allocation, compact bandwidth State-of-art network equipment for easy upgrade (e.g MSR/SDR)

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Eco-system

Interference

§

§

Guard band between 2G, 3G and LTE Interference cancellation, co-site setup

Huawei Confidential

§

§

Commercial terminals availability International roaming possibilities

Page 7

 

Possible FDD Spectrum Adjustment Re -farming Strategy Adjustment Using A Re-farming Today situation: situation: 3 bands network network

Mid to long term GUL network solution NEW

Low frequency band for LTE 10MHz 900MHz for GSM LTE

5MHz GSM

RE-FARMING

Getting the right

900MHz for GSM or UMTS 5MHz

5MHz

OR

GSM 1800MHz for GSM 15Mhz GSM

2100MHz for UMTS

trade-off*: & Re-farming New FDD Spectrum Allocation

UMTS

1800MHz for GSM

RE-FARMING

15MHzfor 15M Hzfor GSM & 10MHz or LTE LTE

GSM

2100MHz for UMTS 15MHz UMTS

15Mhz 2600MHz FDD for LTE 20MHz

UMTS

NEW

LTE

GSM: UMTS: 1carrier: 5MHz

4 CARRIERS 3 CARRIERS

*) This slide addresses FDD spectrum and similar analysis can be done for TDD

GSM: UMTS: LTE:

2 CARRIERS 4 CARRIERS 7 CARRIERS

8 HUAWEI TECHNOLOG IES CO., LTD. an efficient HuaweRE-USE i Confidential Re-farming allows of radioPage spectrum assets

 

LTE Re-farming In Real Networks High Flexibility To Implement LTE Netw orks 



RRU



!

In voice centric  scenarios, the radio spectrum is assigned to 2G:  !

The whole BW for 2G

 !

No BW for LTE



When data services become the main stream:  !

Less BW for 2G

 !

BW for LTE

When LTE bears both voice/data services: The whole BW is allocated to LTE

 !

LTE Frequency

2G LTE

2G

RFU

Frequency Frequency

Huawei MSR support

Voice centric scenario

§

Huawei MSR enables the flexible spectrum sharing among multiple RATs (e.g. 2G & LTE)

§

Spectrum can be easily shared between 2G/3G and LTE according to voice/data traffic load or operators  strategy. It allows a smooth network evolution and an efficient services migration "

HUAWEI TECHNOLOGIES CO., LTD.

Huawei Confidential

Page 9

 

Efficient Spectrum Re-use Based On Compact Bandwidth Description: §

LTE carrier with standard BW

When available spectrum for LTE does not match standard LTE carrier

RRU

Interfered OR Interfering

bandwidths some Edge RB are squeezed in DL and UL LTE carrier §

RFU

§

DL: RB Suppression UL: PUCCH over-provisioning

§

LTE carrier can fit into less bandwidth

with Compact BW

without interference on adjacent

Edge RB being squeezed LTE

RB

Max Guard

Min Necessary

Carrier BW

suppression

reduction

BW

5MHz

0

200kHz

4.8MHz

10MHz

0

400kHz

9.6MHz

spectrum carriers

Benefit: §

To deploy LTE LTE in any spectrum asset

15MHz 20MHz

0 0

400kHz 700KHz

14.6MHz 19.3MHz

§

To maximize the spectrum utilization

20MHz

2

1.1MHz

18.9MHz

To maximize LTE capacity

20MHz

4

1.4MHz

18.6MHz

§

20MHz

6

1.8MHz

18.2MHz

HUAWEI TECHNOLOGIES CO., LTD.

Huawei Confidential

Page 10

 

Interference Mitigation: Huawei MSR Saving Guard Band 200kHz Guard Band 2G + LTE GSM+LTE

2G

LTE

2G GSM/LTE GSM/L TE MSR (Multi Standard Standard Radio) Huawei MSR Module: §

§

Compliant with 3GPP MSR standard Smooth re-farming from 2G -> 2G/LTE -> LTE only

§

Saving 200kHz guard band when channel BW > 3MHz

LTE

LTE bandwidth

GL co-site guard band Huawei

GL co-site guard band Standard

1.4MHz

0.2

0.2

3MHz

0.2

0.2

5MHz 10MHz

0 0

0.2 0.2

15MHz

0

0.2

20MHz

0

0.2

e.g. GSM/LTE 1800MHz HUAWEI TECHNOLOGIES CO., LTD.

Huawei Confidential

2G

Page 11

 

LTE Re-farming & Interference Mitigation: Mitiga tion: GUL Co-Site Best mode

Medium mode

2G/3G/LTE 100% Co-Site è

Least Interference

e.g. GSM1800 BTS & L1800 eNodeB

Worst mode

2G3G//LTE Partial Co-Site  

è

Medium Interference

2G/3G/LTE on different Sites  

è

High Interference

e.g. GSM1800 BTS

e.g. GSM1800 BTS

e.g. L1800 eNodeB

e.g. L1800 eNodeB

§

2G/3G/LTE 2G/3G/L TE Co-site, ACLR can meet standard requirement requ irement with 200kHz guard band

§

2G/3G/LTE 2G/3G/L TE non Co-site, ACLR of LTE DL and 2G DL have a gap of 6dB in Urban/SU area

HUAWEI TECHNOLOGIES CO., LTD.

Huawei Confidential

Page 12

 

Commercial LTE Terminals Availability For LTE Re-farming

50 LTE end-users terminals to support 1800MHz covering all Source: LTE eco-system, GSA report [20-01-2012]

industry form factors

UE suppliers are fully committed to provide commercial LTE terminals supporting LTE Re-farming bands HUAWEI TECHNOLOGIES CO., LTD.

Huawei Confidential

Page 13

 

Spectrum Re-farming Plays A Key Role To Develop LTE

Status: 12-2011

~30% of LTE subscribers

Suppliers are committed

LTE re-farming is a

served by networks using

to support LTE re-farming

good supplement to

spectrum re-farming

HUAWEI TECHNOLOGIES CO., LTD.

new spectrum auctions

Huawei Confidential

Page 14

 

 Th  T hank you www.huawei.com  

Copyright 2011 Huawei Technologies 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 refer ence purpose only and constitutes neither an offer nor an acceptance. acceptance. Huawei may change the informa information tion at any time without notice.