ITRI ICL LTE SmallCell & Multi-RAT G/W 技術介紹 20140529
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The document provides an introduction to ITRI's 4G multi-RAT network system, detailing its products, including the multi-RAT gateway and 4G small cells. It highlights the architecture, specifications, and key features of these technologies, emphasizing management of small cells and Wi-Fi APs, traffic offload capabilities, and seamless handover between networks. Additionally, it outlines ongoing research and development projects aimed at enhancing network performance and user experience.
ITRI ICL LTE SmallCell & Multi-RAT G/W 技術介紹 20140529
- 1. Copyright 2014 ITRI 工業技術研究院 ITRI / ICL 4G Multi-RAT Network System Introduction
- 2. 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
- 3. 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
- 4. Copyright 2014 ITRI 工業技術研究院 Internet 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 EPC MME/S- GW/P-GW… Backhaul Data Path SON Server SON Signaling Multi-RAT GW UE
- 5. Copyright 2014 ITRI 工業技術研究院 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-GW ASN-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 EPC MME, S-GW, P-GW S1, NAS Protocol Multi-RAT GW LTE Femto GW, Wi- Fi Controller, SON Server
- 6. 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
- 7. Copyright 2014 ITRI 工業技術研究院 ITRI Multi-RAT GW 產品與技術規格 ITRI Multi-RAT Gateway is based on an innovative architecture that provides the necessary control c apabilities to manage large clusters of small cells a nd 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
- 8. Copyright 2014 ITRI 工業技術研究院 LTE Multi-RAT GW System Architecture ? Multi-RAT Client – Window tablet with Wi-Fi an d 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 Emulato r
- 9. Copyright 2014 ITRI 工業技術研究院 Multi-RAT GW 主要研發項目 ? Multi-RAT GW 技術 Wi-Fi IP Security Protection Seamless Handover Between LTE and Wi- Fi Networks Local Traffic BreakoutOAM Device Management
- 10. 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 Packet-based Bandwidth Aggregation Flow-based Bandwidth Aggregation
- 11. 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
- 12. 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 ITRI Small cell, low-powered LTE-A base station, provide improved cellular coverage and capacity for homes and enterprises as well as metropolita n 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
- 13. 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 PHY MAC RLC PDCP RRC NAS PHY MAC RLC PDCP RRC L1/L2 IP SCTP X2 AP S1 AP RRM/SON L1/L2 IP SCTP X2-AP L1/L2 IP SCTP S1-AP L1/L2 IP SCTP S1-AP Uu S1-MMEX2-C UE Small Cell Multi-RAT GW Small Cell TR-069
- 14. 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
- 15. Copyright 2014 ITRI 工業技術研究院 ITRI Advanced RRM Differentiation Traffic Control Traffic Control ? Efficient Traffic offload – Local IP Access (LIPA) Control – Selected IP Traffic Offload (SIPTO) Mana gement ? 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 0 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
- 16. Copyright 2014 ITRI 工業技術研究院 ITRI Advanced SON Differentiation (1/2) ? Multiple cells coexistence Enhance to handle 14 PCI collision scenarios Handover Optimization for Smart Antenna Advanced eICIC for Active/ Idle Users
- 17. 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 LTE-A/Wi-Fi Load Balancing Multi-RAT Power Saving ? Multi-RAT cooperation
- 18. 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
- 19. Copyright 2014 ITRI 工業技術研究院 Thank YOU!