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LTE Simulators
LTE Simulators
Outline

1.

LTE Introduction

2.

LTE PHY Lab Introduction

3.

LTE-A Features in LTE PHY Lab

4.

LTE PHY...
LTE Introduction
LTE Introduction
3GPP Systems’ Evolution

1992

1997

2000

2005

2009

2011/2012

LTE-Advanced

GSM

GPRS

UMTS

HSPA

LT...
LTE Introduction
Goals / Requirements for LTE and SAE
Standardization work for LTE and SAE started in December 2004

All I...
LTE Network
Network Architecture and Radio Interface Features
LTE Network
Uu
eNB

S1-U

SGW

S5

PGW
Internet /
IMS ...

X...
LTE Towards 4G
Features’ Roadmap
2008

2009

2011

2010

2012

LTE Rel. 8

MIMO
TF Scheduling

Standardization

OFDMA/SCFD...
4G Simulators
Reasons For System Modelling
For Various Players in the Value Chain
LTE PHY Lab – a link level simulator
LTE PHY Lab
E-UTRA Physical Layer Model
Comprehensive implementation of the 3GPP Rel 8 E-UTRA PHY
Main features of the LTE...
LTE PHY Lab DL: eNB Transmitter Block Structure

Copyright © IS-Wireless | www.is-wireless.com

12
LTE-Advanced
in the LTE PHY Lab v.2
LTE PHY LabTM v.2.0
LTE-Advanced Features

•

Downlink
•
•
•
•
•

•

Extended SU-MIMO (up to 8 antennas)
Support for Carri...
LTE PHY Lab v.2.0 DL: eNB Transmitter

Copyright © IS-Wireless | www.is-wireless.com

15
LTE PHY Lab Toolbox
Q&A
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LTE Simulators Webinar

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Transcript of "LTE Simulators Webinar"

  1. 1. LTE Simulators
  2. 2. LTE Simulators Outline 1. LTE Introduction 2. LTE PHY Lab Introduction 3. LTE-A Features in LTE PHY Lab 4. LTE PHY Lab Toolbox Content (Matlab) 5. Q&A Copyright © IS-Wireless | www.is-wireless.com 2
  3. 3. LTE Introduction
  4. 4. LTE Introduction 3GPP Systems’ Evolution 1992 1997 2000 2005 2009 2011/2012 LTE-Advanced GSM GPRS UMTS HSPA LTE 2G 2.5G 3G 3.5G 3.9G 4G Phase 1 Phase 2 Rel. 96 Rel. 97 Rel. 98 Rel. 99 Rel. 4 Rel. 5 Rel. 6 Rel. 7 Rel. 8 Rel. 9 Rel. 10 Rel. 11 3GPP Release Voice only 14.4kbps UL: 128kbps DL: 384kbps UL: 11Mbps DL: 28Mbps UL: 75Mbps DL: 325Mbps UL: 500Mbps DL: 1Gbps Highest Data Rate Copyright © IS-Wireless | www.is-wireless.com 4
  5. 5. LTE Introduction Goals / Requirements for LTE and SAE Standardization work for LTE and SAE started in December 2004 All IP based/flat core network architecture High data rate/low latency/packet optimized RAN Fixed EPC eNB IMS/Services/ Internet/PSTN aGW WiMAX cdma200 eNB LTE Goals/Requirements • High speed (up to 350km/h) • Low latency (below 10ms) • Large throughputs (DL 100Mbps, UL 50Mbps) • VoIP Capacity (200 users in 5MHz BW) • Lower bit cost • Flexible and scalable BW and spectrum • Flat RAN network (only eNBs) Copyright © IS-Wireless | www.is-wireless.com GERAN/ UTRAN SAE Goals/Requirements • Access for all NWs (interworking/global roaming) • IMS for all NWs • Easy migration to EPS (from 2G/3G networks) • Flat IP network (‘always-on’ concept) • QoS Support for all services • Policy and charging 5
  6. 6. LTE Network Network Architecture and Radio Interface Features LTE Network Uu eNB S1-U SGW S5 PGW Internet / IMS ... X2 S11 Uu eNB LTE Radio Interface S1-MME MME S6a HSS Radio Interface Technologies • Multicarrier Transmission: DL OFDMA, UL SC-FDMA • Shared data channels with fast update (1ms) and multilayer retransmissions eNB • Adaptive Modulation and Coding • Multi Antenna Transmission: DL MIMO (2 or 4 antennas) • Scalable System BW: 1.4, 3, 5, 10, 15, 20 MHz • Quality-of-Service on Radio Interface Copyright © IS-Wireless | www.is-wireless.com 6
  7. 7. LTE Towards 4G Features’ Roadmap 2008 2009 2011 2010 2012 LTE Rel. 8 MIMO TF Scheduling Standardization OFDMA/SCFDMA Specs Freezing December 2008 Commercial deployment HARQ Reduced architecture LTE Rel. 9 Adaptive-MCS MBMS based on SFN SON Location Services LTE Rel. 10 Carrier Agregation (wider BW) LTE-Advanced Specs Freezing March 2011 Relaying Extended DL MIMO (8x8) UL MIMO (4x4) Enhanced Home eNB & HetNet LTE Rel. 11 Specs Freezing December 2009 Coordinated Multipoint Tx/Rx Specs freezing target december 2012 MTC (M2M Communications) eICIC and Relays Copyright © IS-Wireless | www.is-wireless.com 7
  8. 8. 4G Simulators
  9. 9. Reasons For System Modelling For Various Players in the Value Chain
  10. 10. LTE PHY Lab – a link level simulator
  11. 11. LTE PHY Lab E-UTRA Physical Layer Model Comprehensive implementation of the 3GPP Rel 8 E-UTRA PHY Main features of the LTE PHY Lab: • Implemented according to 3GPP Specifications • Downlink & Uplink LTE PHY Lab can be used to model link-level behavior of LTE system: • Single TX - single RX • fading & AWGN • FDD and TDD versions • FEC performance Downlink • Evaluates each individual bit • All LTE MIMO Schemes • modulation Uplink • synchronization & channel estimation eNB • performance measures: thrpt vs SNIR • Support for all LTE BWs General Block Diagram of LTE PHY Lab DOWNLINK 101010111001… 101010111001… MAC Layer eNB PHY TX UE PHY RX UPLINK 101010111001… MAC Layer Multipath Channel eNB PHY RX Copyright © IS-Wireless | www.is-wireless.com Multipath Channel MAC Layer 101010111001… UE PHY TX MAC Layer 11
  12. 12. LTE PHY Lab DL: eNB Transmitter Block Structure Copyright © IS-Wireless | www.is-wireless.com 12
  13. 13. LTE-Advanced in the LTE PHY Lab v.2
  14. 14. LTE PHY LabTM v.2.0 LTE-Advanced Features • Downlink • • • • • • Extended SU-MIMO (up to 8 antennas) Support for Carrier Aggregation with up to 5 Component Carriers Release 9 PRS Release 10 UE Specific RS Release 10 CSI RS eNB Uplink • • • • • • Uplink SU-MIMO for PUSCH (up to 4 antennas) Uplink Spatial Diversity (SORTD) for PUCCH eNB Support for Carrier Aggregation with up to 5 Component Carriers Clustered SC-FDMA New PUCCH format 3 for Aggregated HARQ-ACK Transmission for CA Support Possibility for simoultaneous transmission for PUCCH and PUSCH Physical channels and signals Downlink Uplink Copyright © IS-Wireless | www.is-wireless.com PRS, CSI-RS, UE RS PUCCH format 3 14
  15. 15. LTE PHY Lab v.2.0 DL: eNB Transmitter Copyright © IS-Wireless | www.is-wireless.com 15
  16. 16. LTE PHY Lab Toolbox
  17. 17. Q&A
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