Copyright 2014 ITRI 工業技術研究院 1
ITRI / ICL4G Multi-RAT Network System Introduction
Copyright 2012 ITRI 工業技術研究院
Outline• ITRI 4G Multi-RAT Network Introduction • ITRI Products• Multi-RAT GW
– Multi-RAT GW產品與技術規格– Multi-RAT GW System Architecture– Multi-RAT GW主要研發項目
• 4G Small Cell– 4G Small Cell 產品與技術規格– 4G Small Cell System Architecture– 4G Small Cell 主要研發項目
• Q & A
Copyright 2012 ITRI 工業技術研究院
Outline• ITRI 4G Multi-RAT Network Introduction • ITRI Products• Multi-RAT GW
– Multi-RAT GW產品與技術規格– Multi-RAT GW System Architecture– Multi-RAT GW主要研發項目
• 4G Small Cell– 4G Small Cell 產品與技術規格– 4G Small Cell System Architecture– 4G Small Cell 主要研發項目
• Q & A
Copyright 2014 ITRI 工業技術研究院
Internet
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ITRI 4G Multi-RAT Architecture• Network System Architecture
– ITRI focus on development of 4G Small Cell and Multi-RAT GW.
Macro Cell
Small Cell
SON Client
Small Cell
SON Client
Wi-Fi AP
EPCMME/S-
GW/P-GW…Backhaul
Data Path
SON Server
SONSignaling
Multi-RAT GW
UE
Copyright 2014 ITRI 工業技術研究院 5
行動通訊關鍵技術
2009 2010 2011 2012 2013 2014
WCDMA
WiMAX
LTE-A
LTE
ITRI Products
Femtocell GW Protocol & System SW
WiMAX ASN-GWASN-GW, CSN, R6 , R3 , R2 Protocol, System SW
WCDMA Femtocell Iuh Protocol & RRM
LTE Small cell UU, S1, X2 Protocol & RRM
LTE-A Small cell Carrier Aggregation & Smart Antenna & SON
LTE EPCMME, S-GW, P-GWS1, NAS Protocol
Multi-RAT GWLTE Femto GW, Wi-Fi Controller, SON Server
Copyright 2012 ITRI 工業技術研究院
Outline• ITRI 4G Multi-RAT Network Introduction • ITRI Products• Multi-RAT GW
– Multi-RAT GW產品與技術規格– Multi-RAT GW System Architecture– Multi-RAT GW主要研發項目
• 4G Small Cell– 4G Small Cell 產品與技術規格– 4G Small Cell System Architecture– 4G Small Cell 主要研發項目
• Q & A
Copyright 2014 ITRI 工業技術研究院
ITRI Multi-RAT GW 產品與技術規格
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ITRI Multi-RAT Gateway is based on an innovative architecture that provides the necessary control capabilities to manage large clusters of small cells and WiFi APs. • Key features
– Management group of small cells and Wi-Fi Aps– LTE and Wi-Fi bandwidth aggregation – Traffic Offload
ITRI Multi-RAT GW
ITRI Multi-RAT GW
2014 ~ 2015
2012~ 2013
Product Spec. & Features•Access Network
LTE-TDD/FDD eNB/HeNB 802.11b/g/n Wi-Fi AP
•No. of UEs supported: 1000 Active UEs•Switch Delay between LTE and Wi-Fi < 100ms•Functions & Performance
Scalable User Plane Architecture Load Balancing LTE and Wi-Fi Seamless
Handover Local Traffic Breakout LTE SON Server 50 LTE Small Cells + 50 Wi-Fi Aps 1000 Online Users or 100 Concurrent
Users with 10 Mbps
Product Spec. & Features•Access Network
LTE-TDD/FDD eNB/HeNB 802.11b/g/n Wi-Fi AP
•No. of UEs supported: 2000 Active Ues•Switch Delay between LTE and Wi-Fi < 50ms•Functions & Performance
Auto Access Network Selection SIM based Authentication for Wi-Fi LTE/Wi-Fi Bandwidth Aggregation Multi-RAT SON Server 100 LTE Small Cells + 100 Wi-Fi Aps 2000 Online Users or 200 Concurrent
Users with 10 Mbps
Copyright 2014 ITRI 工業技術研究院
LTE Multi-RAT GW System Architecture• Multi-RAT Client
– Window tablet with Wi-Fi and LTE NICs
– Multi-RAT Adaptor software • Access Networks
– LTE eNB/HeNB– 802.11 Wi-Fi AP
• Multi-RAT GW– Control Plane Module– Multiple User Plane Modules
• Core Networks– NSN & Ericsson EPC– ITRI & Nethawk EPC Emulator
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Copyright 2014 ITRI 工業技術研究院
Multi-RAT GW 主要研發項目• Multi-RAT GW 技術
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Wi-Fi IP Security ProtectionSeamless Handover Between LTE and Wi-Fi Networks
Local Traffic BreakoutOAM Device Management
Copyright 2014 ITRI 工業技術研究院
Multi-RAT GW 主要研發項目• SON Server
– PCI Configuration、 ANR、MRO、MLB
– HetNet SON
• LTE-A/Wi-Fi Bandwidth Aggregation
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Packet-based Bandwidth AggregationFlow-based Bandwidth Aggregation
Copyright 2014 ITRI 工業技術研究院
Outline• ITRI 4G Multi-RAT Network Introduction • ITRI Products• Multi-RAT GW
– Multi-RAT GW產品與技術規格– Multi-RAT GW System Architecture– Multi-RAT GW主要研發項目
• 4G Small Cell– 4G Small Cell 產品與技術規格– 4G Small Cell System Architecture– 4G Small Cell 主要研發項目
• Q & A
Copyright 2012 ITRI 工業技術研究院
ITRI Small Cell 產品與技術規格
ITRI 4G Small Cell
ITRI 4G Small Cell
2014 ~ 2015
2012~ 2013
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ITRI Small cell, low-powered LTE-A base station, provide improved cellular coverage and capacity for homes and enterprises as well as metropolitan and rural public spaces.• Key features
– Smart Antenna– Self Organizing Network
Product Spec. & Features•Mode of Operation: LTE-TDD: 5, 10 Mhz at Band 41•No. of UEs supported: 16 Active Ues•System Throughput: Max. Peak Rate 40Mbps•Functions & Performance
Power: 20 dBm Coverage: Radius up to 50m Support 2x2 MIMO Centralized Self Organizing Network Femto to Femto Handover
•Core Network IOT: NSN, Ericsson
Product Spec. & Features•Mode of Operation: LTE-TDD: 5, 10 Mhz at Band 41•No. of UEs supported: 64 Active Ues•System Throughput: Max. Peak Rate 100Mbps•Functions & Performance
Support 2x2 MIMO Power: 20 dBm QoS aware scheduler Support two Intra-band Carrier
Aggregation Support Smart Antenna Distributed Self Organizing Network
•Core Network IOT: NSN, Ericsson, Cisco
Copyright 2014 ITRI 工業技術研究院
LTE Small Cell System Architecture
• Standard LTE protocol stack according to 3GPP spec– UU Interface: PHY, MAC, RLC, PDCP and RRC Protocol– Networking Interface: S1 and X2 protocol
• Key features of System Software– Radio Resource Management– Self Organizing Network
Ctrl.Plane
Ctrl.Plane
PHYMACRLC
PDCPRRCNAS
PHY
MAC
RLC
PDCP
RRC
L1/L2
IP
SCTP
X2AP
S1AP
RRM/SON
L1/L2IP
SCTPX2-AP
L1/L2IP
SCTPS1-AP
L1/L2IP
SCTPS1-AP
Uu S1-MMEX2-C
UE
Small Cell
Multi-RAT GW
Small Cell
TR-069
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Copyright 2014 ITRI 工業技術研究院
ITRI Small Cell 主要研發項目
L3 RRM
Control Software
RRC
PDCP
RLC
MAC
GTP-U
UDCP
S1AP
SCTP
X2AP
Common UtilitySQLite
OAM
SON
Radio Resource Management•Dynamic admission control•Dynamic radio bearer control •Bandwidth traffic control (backhaul and air interface)•Backhauling QoS control (diffserv code point marking)•Seamless/Lossless handover control •Local IP Access (LIPA) Control•Selected IP Traffic Offload (SIPTO) Management
Self Organizing Network•Optimized PCI selection•Neighbor relation strategy•Optimized TX power setting for UL and DL for interference control•Optimized cell selection / reselection parameters•Handover optimization•Multi-RAT loading balance•Multi-RAT power saving
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Copyright 2014 ITRI 工業技術研究院
ITRI Advanced RRM Differentiation
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1000
2000
3000
4000
5000
6000
1 14 27 40 53 66 79 92 105 118 131 144 157 170 183 196 209 222 235
UE1
UE2
UE3
Traffic Control
Traffic Control
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• Efficient Traffic offload– Local IP Access (LIPA) Control– Selected IP Traffic Offload (SIPTO)
Management
• QoS management– Backhauling QoS Control
(Diffserv Code Point Marking)– Bandwidth Traffic Control
• Mobility and user experience– Seamless/Lossless Handover Control
by QoS– GTP-U Data Forwarding– PDCP Packet Returned Pass
Copyright 2014 ITRI 工業技術研究院
ITRI Advanced SON Differentiation (1/2)
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• Multiple cells coexistence
Enhance to handle 14 PCI collision scenarios
Handover Optimization for Smart Antenna
Advanced eICIC for Active/ Idle Users
Copyright 2014 ITRI 工業技術研究院
ITRI Advanced SON Differentiation (2/2)
Multi-RAT GW(SON Server)
LTE Small Cell
Wi-Fi AP
LTE Small Cell
Wi-Fi AP
Multi-RAT GW(SON Server)
Peak Traffic Off-Peak Traffic
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LTE-A/Wi-Fi Load Balancing
Multi-RAT Power Saving
• Multi-RAT cooperation
Copyright 2014 ITRI 工業技術研究院
可移轉技術公告網址: http://www.itri.org.tw/ (首頁→公告→研發成果公告 ) http://www.itri.org.tw/chi/tech-transfer/04.asp?RootNodeId=040&NodeId=041&id=4640
可移轉技術項目
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Copyright 2014 ITRI 工業技術研究院
Thank YOU!
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