ITRI ICL LTE SmallCell & Multi-RAT G/W 技術介紹 20140529

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


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





• Q & A


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


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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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


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





• Q & A


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


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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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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ITRI Advanced RRM Differentiation

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

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


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


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


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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Thank YOU!

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ITRI ICL LTE SmallCell & Multi-RAT G/W 技術介紹 20140529

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Transcript of ITRI ICL LTE SmallCell & Multi-RAT G/W 技術介紹 20140529