Huawei LTE overview.pptx
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Huawei LTE Overview www.huawei.com
HUAWEI TECHNOLOGIES CO., LTD.
Huawei Confidential
Agenda LTE Market Update Advancing LTE Commercialization Leading LTE Solution HUAWEI TECHNOLOGIES CO., LTD. HISILICON SEMICONDUCTOR
Page 2
Increasingly Global LTE Commitments Global LTE Commitments
6X
increase in past 18 months
•
156 operators in 64 countries are investing in LTE › ›
113 LTE network commitments in 46 countries, 43 additional pre-commitment LTE trials 22 expected launch by end of 2010, and at least 55 LTE networks are anticipated to Source: GSA, Oct. 2010 be in commercial service by end 2012
HUAWEI TECHNOLOGIES CO., LTD. HISILICON SEMICONDUCTOR
Page 3
Widely Available Spectrums for LTE Deployment -- By Introducing new spectrums or refarming spectrums
North NorthAmerica: America:
Major MajorininAWS/700M AWS/700M PCS(1900M), PCS(1900M),850M 850Mrefarming refarming
Europe: Europe:
Major Majorinin2.6G/800M 2.6G/800M 1.8G 1.8GRefarming Refarming
C.I.S C.I.S
China: China:
2.6G 2.6G 1.8G 1.8GRefarming Refarming
Major MajorininTD, TD,2.3 2.3oror2.6G 2.6G TD/FDD TD/FDDConvergence Convergence
Latin LatinAmerica: America:
Japan: Japan:
Africa: Africa:
Asia AsiaPacific: Pacific:
Major Majorinin2.6G/AWS 2.6G/AWS Roaming Roamingfor forU.S U.Sand andEU EU
Major Majorinin2.6G 2.6G 1.8G Reframing 1.8G Reframing
MENA: MENA:
Major Majorinin2.6G 2.6G 1.8G Refarming 1.8G Refarming
HUAWEI TECHNOLOGIES CO., LTD. HISILICON SEMICONDUCTOR
License Issued
Auction in 2010
Auction after 2010
Spectrum License Progress • 2009: • 2010: • 2011:
10 countries, 38 Operators 20+ countries, 50+ operators 30+ countries, 60+ operators
Page 4
TBD
1.5G/800M/1.7G/2.1G 1.5G/800M/1.7G/2.1Gby by NTT/KDDI/SBM NTT/KDDI/SBM
2.6G 2.6G 1.8G, 1.8G,2.1G 2.1GRefarming Refarming
India: India:
BWA BWA(TD-LTE) (TD-LTE)2.3G 2.3G
LTE Take-up Roadmap: From Data offload to Full Services Phase1 (2010/11)
Phase2 (2011/12)
Data Only
Phase3 (2012/13)
Data Only + CSFB
Phase4 (>2013)
IMS VoIP & SR-VCC
IMS G/U/L handsets launch
• LTE: Offload USB Dongle Traffic • UMTS: Full Services to Smart-phones • Migrating 2G Voice to 3G Voice HUAWEI TECHNOLOGIES CO., LTD. HISILICON SEMICONDUCTOR
Full multimedia
All-IP network
VoIP PCC & handsets QoS launch
• VoIP over IMS for Operator Voice • Internet VoIP (Skype alike) Prohibited, or provided with specific package • DPI/QoS solution for service differentiation Page 5
Commercially Available LTE Terminals Chipset Vendors
Terminal Vendors
Terminal USB LTE only
USB Multi-mode: GUL, CL
2009
2010
Multiple Commercial Devices: USB, MID, Netbook, etc.
Handset 2012
2011
Mainstreaming chipset and terminal vendors will launch commercial terminals since 2010, accelerating LTE commercial program dramatically. HUAWEI TECHNOLOGIES CO., LTD. HISILICON SEMICONDUCTOR
Page 6
LTE will be the Single Global Standard 700M
>1.2Gbps /80MHz
GSM GSM Spectral Efficiency
800M
CA CA
850M 900M
Title
UMTS UMTS
1500M 1700M 1800M
84Mbps /10MHz
CDMA CDMA
1900M 2100M 2300M
TD-SCDMA TD-SCDMA 21Mbps /5MHz
2600M ……
LTE
42Mbps /5MHz
WiMAX WiMAX
64QAM
28Mbps /5MHz 2x2 MIMO
2x2 MIMO 64QAM
DC
150Mbps /20MHz
2x2 MIMO
2x2 MIMO
OFDM
64QAM
64QAM
300Mbps /20MHz
CoMP
FDD FDD LTE LTE
Relay 4x4 MIMO
4x4 MIMO
OFDM
OFDM
64QAM
64QAM
TDD TDD LTE LTE
will be the natural migration choice for mobile operators.
HUAWEI TECHNOLOGIES CO., LTD. HISILICON SEMICONDUCTOR
Page 7
Agenda LTE Market Update Advancing LTE Commercialization Leading LTE Solution HUAWEI TECHNOLOGIES CO., LTD. HISILICON SEMICONDUCTOR
Page 8
Persistent Investment on LTE Global LTE Patent Share
Worldwide LTE R&D Centers
Stockholm Moscow Core algorithm RF technology ASIC, algorithm Dallas San Diego
Beijing Chengdu Shanghai Terminal, chipset eNodeB, RF, eNodeB, SAE, Terminal, ASIC
7 R&D centers dedicated to LTE
2500 engineers dedicated to LTE R&D
HUAWEI TECHNOLOGIES CO., LTD. HISILICON SEMICONDUCTOR
1
Source: ETSI (Oct. 2010)
No.1 LTE patents share among infrastructure vendors, holding 270+ essential patents
5800+ LTE/SAE standard proposals to 3GPP Page 9
Leading Position in LTE Field
补充
图片 Best Contribution to Research & Development for LTE
LTE World Summit 2010
Significant Progress for a Commercial Launch of LTE
Best Contribution to R&D for LTE in North America
Huawei is leading in INNOVATION and COMMERCIALIZATION of LTE HUAWEI TECHNOLOGIES CO., LTD. HISILICON SEMICONDUCTOR
Page 10
Huawei LTE Global References 70+ Trials
20 Commercial Contracts (as of Nov. 2010) Spain Norway
Norway , Serbia
Sweden
Belgium
Spain
Chili
Austria
Australia
Germany
Malaysia
Poland
Singapor e
Italy Germany
Germany
Latvia
Austria
Uzbekistan & Armenia
(*) 8 commercial contracts are not listed due to NDA with customers.
Portugal
Philippine
Greece
Saudi Arabia
Switzerland
World’s 1st LTE commercially launched network World’s 1st GL 900MHz and 1st LTE RAN Sharing network World’s 1st LTE 800M commercial network World’s 1st LTE 1800M and LTE TDD commercial network HUAWEI TECHNOLOGIES CO., LTD. HISILICON SEMICONDUCTOR
USA
UAE
USA
South Africa Kenya
China China HK
…
Page 11
Saudi Arabia
Nigeria
TeliaSonera, the World’s 1st LTE Commercial Network
Oslo
Quality Proved Commercial Capability
DL data rate:
90.6 Mbps
Fastest MBB network since the beginning of launch Twice than another in Stockholm, Sweden
HUAWEI TECHNOLOGIES CO., LTD. HISILICON SEMICONDUCTOR
Significant performance enhancement : 10Mbps higher throughput after upgrade Page 12
World’s 1st LTE on Multi-Mode, Multi-Band and RAN Sharing 99% 99% national national LTE LTE coverage coverage with with GSM GSM Modernization Modernization
World’s 1st GL Multi-Mode: GL900 World’s 1st LTE RAN Sharing: Telenor & Tele2 World’s 1st Multi-Band LTE: 2.6G & 900MHz
Co-site LTE on different frequency
GSM+LTE
Operator A
2.6GHz cell
Shared eRAN Operator B
RAN RAN sharing: sharing: MOCN MOCN
HUAWEI TECHNOLOGIES CO., LTD. HISILICON SEMICONDUCTOR
GSM
900MHz cell
LTE
Multi-Mode: Multi-Mode: LTE900 LTE900 & & GSM900 GSM900
Page 13
Multi-Band: Multi-Band: 2.6G 2.6G & & 900M 900M
Vodafone D2, the World’s 1st DD800 LTE Commercial Network Challenges and Needs • Commitment to German Government for universal broadband coverage with DD800M in rural area • Reducing OPEX (energy, leasing and rental cost, Q&M, etc.) • Minimizing Complexity with “One Site, One Vendor” strategy • All IP Network for MBB service booming 3M RRU: LTE 800MHz
Solutions and Benefits
UMTS 2100MHz
LTE 2600MHz
• E2E LTE 800MHz solution to support the MBB business • Fast deployment with world's smallest and lightest RF unit (Huawei 3MRRU) • Leading SingleRAN solution to reduce OPEX greatly • One Site for 3 technologies (GUL) and 5 frequency bands (800/900/1800/2100/2600MHz) HUAWEI TECHNOLOGIES CO., LTD. HISILICON SEMICONDUCTOR
fiber
BBU GSM 900MHz
GSM 1800MHz
Page 14
MMMMMM RRRRRR FFFFFF UUUUUU
World’s 1st LTE 1800MHz and LTE TDD Commercial Network Challenges and Needs • New mobile operator in Poland telecom market, finding differentiated services to compete with existing operators • Fast growing data service requirement and saturated voice service market • Making best use of 19.8MHz available bandwidth on 1800M
Solutions and Benefits
RRU: SDR capable RF modules supporting software upgrade from GSM 1800 to LTE 1800
• The world’s 1 LTE 1800 commercial network • E2E LTE1800 solutions to meet MBB requirement • LTE1800 RAN sharing ensures fast deployment with lower TCO • Deploy the world’s 1st LTE TDD 2.6G commercial network st
HUAWEI TECHNOLOGIES CO., LTD. HISILICON SEMICONDUCTOR
Page 15
LTE 1800 USB
World’s 1st TD-LTE Field Trial Network Sole vendor to cover the whole out field areas of Shanghai Expo End-to-End TD-LTE Solution High performance TD-LTE services
TD-LTE covers the whole expo campus
20MHz bandwidth in 2.3GHz • Peak rate: DL 75Mbps/UL 25Mbps • Avg. rate: DL 40Mbps/UL 15Mbps •
Delivering large varieties of mobile broadband services
17 eNodeBs, 5.28km2
End-to-End TD-LTE Solution RRU BBU
HD video-ondemand
HD video conference
HUAWEI TECHNOLOGIES CO., LTD. HISILICON SEMICONDUCTOR
HD video monitoring
TD-LTE CPE Page 16
TD-LTE eNodeB
SAE
Agenda LTE Market Update Advancing LTE Commercialization Leading LTE Solution HUAWEI TECHNOLOGIES CO., LTD. HISILICON SEMICONDUCTOR
Page 17
Leading LTE Solution Challenges Spectrum
E2E Readiness
Backhaul Performance Interoperability Network operation
Smooth Evolution
Performan ce Enhancem ent
Device availability …
HUAWEI TECHNOLOGIES CO., LTD. HISILICON SEMICONDUCTOR
Cost Effectiveness Page 18
End-to-End LTE Readiness Terminal
HUAWEI TECHNOLOGIES CO., LTD. HISILICON SEMICONDUCTOR
Backhaul
Radio
Page 19
Core
End-to-End LTE Solution Terminal
eRAN
EPC
Backhaul
Distributed MME IP Backhaul or MSTP
SGW/PGW HSS
Outdoor Macro
Terminal
PCRF
Indoor Macro
SingleRAN
SingleBackhaul
SingleEPC
Self-developed
Unified Platform
Multiple Access Interface
Unified Platform
Various Types
Flexible Installation
Future Oriented Platform
Intelligent Capability
Customized Multi band
Green Base Station
Cost-efficient Transport
Highest Throughput
HUAWEI TECHNOLOGIES CO., LTD. HISILICON SEMICONDUCTOR
Page 20
LTE Product Portfolio Common Modules
1 RRU
RFU
BBU3900
3
2
Distributed eNodeB DBS3900
Common Platform • Well-proven SingleRAN platform • Common platform for G/U/L • Common platform for FDD & TDD
Indoor Macro eNodeB BTS3900/L
4
Micro eNodeB Outdoor Macro eNodeB BTS3900A
Common Modules • One RF module for MIMO • Flexible bandwidth: 1.4M/3M/5M/10M/15M/20MHz • Full 3GPP bands: 2.6G/2.1G/1800M/900M/800M/AWS/700M, etc.
orld 1st LTE Commercial Release in Q2’09, 1 Year Ahead in Industry! HUAWEI TECHNOLOGIES CO., LTD. HISILICON SEMICONDUCTOR
Page 21
Huawei LTE Terminal Roadmap Commercial
USB Modem E2701
USB Modem E398
LTE CPE - B593 • LTE/HSPA/EDGE multimode • FE/WIFI 802.11n,b,g • Commercial: Jun. 2011
LTE CPE - B390 • LTE/HSPA/EDGE multimode • For friendly trial
• LTE/HSPA/EDGE multimode • USB rotator with inner antenna • Commercial Phase 1: Dec. 2010 • Commercial Phase 2: Apr. 2011
• LTE DD800 • WLAN 802.11n,b,g • Commercial: 2011Q2
Test UE
LTE FDD 2.0 • DL/UL: 150/75 Mbps • DL 4*2 MIMO
Test UE FDD 1.0 •DL/UL: 50/50Mbps •DL 2*2 MIMO
2009 HUAWEI TECHNOLOGIES CO., LTD. HISILICON SEMICONDUCTOR
LTE TDD 2.0 • DL: 135Mbps, UL: 45Mbps • DL 4*2 MIMO • 2.3G, 2.6G
2010
2011 Page 22
Performance Enhancement Improving cell throughput Increasing cell edge user data rate Heterogeneous architecture
Capacity
+
Seamless service Experienc experience e Service continuity + solution
Coverage UL/DL coverage enhancement solution +
HUAWEI TECHNOLOGIES CO., LTD. HISILICON SEMICONDUCTOR
Multi-band combination to enlarge LTE coverage
Page 23
MIMO, the Key to Improve Cell Throughput eNode B
UE 1
Macr o L LL TTT EEE
eNode B
2x2 MIMO
Throughput (Mbps)
-- System1x2 Gain: 2X2 MIMO over SIMO SIMO
Capacity +
18.15% 20
16.4
15
28.34% 12.09
14.23 12.36
9.42
10 5
ISD:500m Speed:3km/h
xx.xx%: Gain Throughput (Mbps)
46.94%
In typical urban area: 15%~28% gain over SIMO @
15.12%
13.88
UE 1
Micro
SIMO MIMO
xx.xx%: Gain
ISD:500m Speed:30km/h
ISD:1732m Speed:3km/h
SIMO MIMO
46.40% 35.18
34.15
56.68%
30
26.87 23.24
24.03
20
17.15
10
Macro ~50% gain over SIMO @ Micro Outdoor-to-Indoor Speed: 3km/h
HUAWEI TECHNOLOGIES CO., LTD. HISILICON SEMICONDUCTOR
Page 24
Outdoor-to-Outdoor Speed: 3km/h
Outdoor-to-Outdoor Speed: 30km/h
More Gains through Higher-order MIMO UL 2×4 MU-MIMO
DL 4×4 MIMO
eNodeB
UE 1
eNodeB
UE 1
UE 2
4x4 MIMO v.s. 2x2 MIMO: ~ 50% gain in average 23%~90% increasing in edge cell user throughput throughput
HUAWEI TECHNOLOGIES CO., LTD. HISILICON SEMICONDUCTOR
2x4 MU-MIMO v.s. 1x2 SIMO: 23%~90% increasing in edge user ~50% gain in average cell throughput throughput Page 25
Capacity +
Mobility Velocity (km/h)
Adaptive MIMO Increasing Cell Throughput Cell Center
Cell Edge
Open Loop DL:OL-SM UL:MUMIMO
DL:SFBC UL:Rx Diversity
Benefits: Different MIMO modes fit different scenarios
DL:CL-Tx Diversity UL:Rx Diversity
SFBC and CL Tx Diversity (rank=1) increase link reliability and coverage OL SM and CL-SM (rank=2) increase throughput
Channel Quality (SINR)
HUAWEI TECHNOLOGIES CO., LTD. HISILICON SEMICONDUCTOR
Adaptive MIMO Adjust MIMO mode according to channel quality and user’s velocity
Closed Loop DL:CL-SM UL:MUMIMO
Capacity +
10% gain in average cell throughput over non-adaptive MIMO. Page 26
Increasing Cell Edge User Data Rate with IRC and ICIC IRC – Interference Rejection Combining Interfering
ICIC – Inter-Cell Interference Coordination 4
Cell 1,4,7
Power
2 2 76
Victim cell
antenna 1
Frequency
3 3 1 1
Interfering cell
Noise Evaluated
Capacity +
6 5
Cell 2,5,8
Power
48
Frequency
5 9 combining
7
Power
Cell 3,6,9 Frequency
antenna 2
Noise Evaluate d
3dB gain in uplink coverage
15% higher uplink capacity
50% higher throughput for cell edge users
HUAWEI TECHNOLOGIES CO., LTD. HISILICON SEMICONDUCTOR
Different subband allocated for different cell edge users among cells
Reducing the DL inter-cell interference among neighbor cells
30~50% throughput increased for cell edge users (10 MHz)
Hot spot
DD 1800MHz 800MHz 2.6GH z
L-2600 (20 MHz) L-800 (5, 10, 15 MHz) L-900 (5 MHz)
Urban Sub-Urban
10d B
Rural
2600 MHz: LTE coverage in hotzones / cities 1800 MHz: migrate from GSM to LTE, covering Suburban • 1800M: 3~5dB Gain, 30%~50% Site Reduction 900MHz: LTE national coverage with L-900 when • DD 800: 10 dB Gain possible 800MHz:to LTEmeet nationalboth coverage Combination of lower and higher bands coverage and Urba n
Wide Coverage
Distance
capacity challenges. HUAWEI TECHNOLOGIES CO., LTD. HISILICON SEMICONDUCTOR
Page 30
Seamless User Experience in High Speed Scenario
Experience+
Core algorithms guarantee performance: In shanghai HQ
Shanghai Meglev Train
8 eNodeBs, 11 cells, 20km
AFC (Auto Frequency Correction) algorithm to eliminate Doppler effect High speed scheduling algorithm to reduce the inter-cell interference
Excellent Performance in high-speed coverage: RRU Co-cell to largely reduce
Cell coverage HUAWEI TECHNOLOGIES CO., LTD. HISILICON SEMICONDUCTOR
Data Rate for Single UE @ 120 Km/H
hand over High speed: up to 431 Km/H Handover success rate: >99.5% Handover interruption latency. 100ms Average DL rate for single UE: >20Mbps◎120Km/H Page 31
Service Continuity with Inter-RAT Interworking Solution PS connectivity
CS connectivity
LTE
LTE
Heavy Load
Heavy Load
CS Fall back (CSFB) SRVCC
Cell Reselection PS Handover Heavy Load
GSM/UMTS
GSM/UMTS
Service-based Service-based Handover Handover
Coverage-based Coverage-based Handover Handover Initial Phase HUAWEI TECHNOLOGIES CO., LTD.
Experience+
Load-based Load-based Handover Handover
Load-based Load-based Handover Handover
Coverage-based Coverage-based Handover Handover
Coverage-based Coverage-based Handover Handover
Developing Phase Huawei Confidential
Developed
Phase
Heavy Load
LTE Voice Service Continuity Initial Phase: Data only
Experience+
Migration Solution: CS Fall Back
Target Solution: VoIP + SRVCC Internet
Internet
Internet
VoIP Voice
IMS LTE Core LTE Core
2G3G PS Core
2G3G CS Core LTE Core 2G/3G Access
LTE Access PS Data
LTE Access
If Voice
Voice
LTE Access
HSPA Access
VoIP over LTE
CSFB
PS Data
2G/3G PS Core
VoIP Over HSPA
PS HO
Legend:
HUAWEI TECHNOLOGIES CO., LTD. HISILICON SEMICONDUCTOR
VoIP
PS Data
SRVCC SRVCC
CS Voice
Page 33
2G3G CS Core 2G/3G Access Voice
Cost-Effectiveness Solution 1 Green
Site Solution
Ultra coverage solution Flexible site solution
2
Site Cost Saving
Dynamic Tx ON/OFF Dual-band Intelligent Shutdown Dynamic PA Voltage Adjustment
Power Savin g
TCO Saving 4
LTE RAN Sharing Dedicated Carrier RAN Sharing Common Carrier RAN Sharing
HUAWEI TECHNOLOGIES CO., LTD.
Networ k Sharing
Operatio n Efficiency
Huawei Confidential
Green eNodeB
3
SON
More Automatic Planning Self-Configuration Self-Optimization Self-Maintenance
Cost Saving with Flexible Site Solution Macro Site Solution
Distribute Site Solution
800/900MHz 1800/2100MHz 2.6GHz
RRU
RRU 2.6GHz GGGU UU 2100MHz LLLL LL
1800MHz
LLL GGG TTT 900MHz E E EUUU
800MHz
8XMacro:
BTS3900L
• 5 Bands, 3 Modes @ 1 cabinet • No combiner, no insert loss
HUAWEI TECHNOLOGIES CO., LTD. HISILICON SEMICONDUCTOR
+ Close to antenna
3MRRU • Multi-band/Multimode/MIMO • Smallest RRU: 15%
power consumption saving
Dual-band Intelligent Shutdown • Power on off F2 during low load when load increasing
>20%
power saving
F2: hot spot
F1: seamless at coverage hot
spot
•
voltage according to output power, modulation mode, etc. 5% PA Efficiency Improvement
eNodeB Power Consumption:
>10% Y-o-Y
Power Consumption
Dynamic PA Voltage Adjustment• Dynamically adjust PA
16% reduction 11%
2009
HUAWEI TECHNOLOGIES CO., LTD. HISILICON SEMICONDUCTOR
2010
Page 36
2011
SON Improving Operation Efficiency MISS
LTE SON Trial in T-Mobile Austria
•Minimize Configuration •Improve Network KPI •Shorten Expertise Education •Simplify Network management
Planning Phase
ON
Deployment Phase
Automatic Network Planning Automatic Config. Planning Automatic Parameter Planning
Maintenance Phase
Optimization Phase
Automatic PCI/TA Optimization Automatic Neighbor Relation Inter-RAT ANR,MRO, System Load Balance, RACH Optimization
Self- configuration (Plug & Play) Auto Software Management
Inventory Management Sleeping Cell detection Antenna Fault Detection Cell/interface/sub. trace
Test scenari o
Handover success rate
Total automatic added neighbors
Round 1
91%
74
Round 2
97%
94
SON makes LTE network more efficient and solves new challenges when network architecture changes HUAWEI TECHNOLOGIES CO., LTD. HISILICON SEMICONDUCTOR
Page 37
Typical SON Features at Initial Stage ANR: Automatic Neighbor Relation
Self-Config.: Quick Deployment File Server S/W Config Config Config
EMS + DHCP
Config S/W
New
eNodeB
• Save cost & Improve exactness • Avoid first HO failure due to missing neighbor relation
MLB: Mobility Load Balancing
Cell A
CellBB Cell
Cell B
Cell C
parameters • Reduce call drop rate, handover failure rate, • Reduce unnecessary redirection
HUAWEI TECHNOLOGIES CO., LTD. HISILICON SEMICONDUCTOR
unnecessary HO Rate
HO successful rate
Cell C
• Optimizing cell reselection and handover
Plug & Play Installation Shorten deployment duration
MRO: Mobility Robust Optimization Value
Cell A
• •
• •
More reliable Improve network KPI by HO optimization
Page 38
40% Saving with RAN Sharing Solution Sweden
MOCN
Poland
eRAN Sharing
Dedicated Carrier RAN Sharing
Common Carrier RAN Sharing
f1 Mobyland
Tele2 Carrier Shared
f1/F2
f2
F1/F2 F1/F2
Centern et
Telenor
Independent Service Deployment
Independent PM/FM/CM (cell level)
Aggregated Spectrum for High Bandwidth
Site reduction for rural coverage
Shared FM/CM, partly Independent PM
Independent expansion
Shared optimization and expansion
Shared optimization
UE compliant to 3GPP R8
No requirement for UE
Supporting both MOCN and dedicated carrier RAN Sharing HUAWEI TECHNOLOGIES CO., LTD. HISILICON SEMICONDUCTOR Page 39
Smooth Evolution
HUAWEI TECHNOLOGIES CO., LTD. HISILICON SEMICONDUCTOR
Page 40
SDR Facilitating Smooth Evolution Spectrum for LTE
Smooth Transition to LTE GSM+UMTS
LTE
2600MHz 2100MHz
UMTS
LTE
GSM
LTE
1800MHz
GSM UMTS
900MHz
2010 800M
900M
mRRU
GSM UMTS LTE HUAWEI TECHNOLOGIES CO., LTD. HISILICON SEMICONDUCTOR
MRFU
LTE
2011 1800M
LTE
GSM
SDR
LTE
800MHz
Technolo gy
SDR
SDR
2012 2100M
2.6G
SDR
GSM+LTE
Spectrum refarming starts from 900M/1800M, which can be utilized for LTE deployment. SDR technology supports flexible and smooth transition from 2G/3G to LTE. Page 41
GL Refarming Solution -- Supporting Smooth Evolution from GSM to LTE GSM GSM Software upgrade
MRRU • 900M/1800 M • 2*2 MIMO
GSM
GSM
• 900M/1800 M • 2*2 MIMO
LTE
LTE MIMO
G
G
G
S
S
S
M
M
M
Software upgrade
LTE
L
L
L
G
G
G
Software upgrade
L T E
LTE
GSM
L T E
L T E
LTE MIMO
F A N
LTE Board
Software upgrade
LTE GSM
MRFU
Multi-mode BBU GSM Board
LTE LTE
GSM+LTE GSM+LTE
GTMU
Power Power
Add LTE Board F A N
LBBP
GTMU LMPT
Power Power
Software Upgrade
F A N
LTE Board
Significant cost-saving without acquiring new spectrum license Software upgrade for smooth evolution from GSM to LTE, protecting investment
HUAWEI TECHNOLOGIES CO., LTD. HISILICON SEMICONDUCTOR
Page 42
Power LBBP
LMPT
Power
Thank you www.huawei.com
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