DocMH.com-01 Ra41211en10gla1 Overview - Lte (Telecommunication) - Mimo

LTE Functionalit Functionalities ies & Features Features Overview Overview

LTERadio Functionalities Functionalit and Features Overview LTE Rad io Parameters Param Parameter Parameters eters sies RL10 RL10

1

©N ok okiaSiemensNetworks

RA41211EN10GLA1

RA41211EN10GLA1

1

LTE Functionalities & Features Overview

Nokia Siemens Networks Academy Legal notice Intellectual Property Rights   All copyrights and intellectual property rights for Nokia Siemens Networks training documentation, product documentation and slide presentation material, all of which are forthwith known as Nokia Siemens Networks training material, are the exclusive property of      Nokia Siemens Networks. Nokia Siemens Networks owns the rights to copying, modification, translation, adaptation or derivatives including any improvements or    developments. Nokia Siemens Networks has the sole right to copy, distribute, amend, modify, develop, license, sublicense, sell, transfer and assign the Nokia Siemens Networks training material. Individuals can use the Nokia Siemens Networks training material for their    own personal self-development only, those same individuals cannot subsequently pass on that same Intellectual Property to others without the prior written agreement of Nokia Siemens Networks. The Nokia Siemens Networks training material cannot be used outside of an agreed Nokia Siemens Networks training session for development of groups without the prior written agreement of Nokia Siemens Networks.

2

©N okiaSiemensNetworks

RA41211EN10GLA1

RA41211EN10GLA1

2

LTE Functionalities & Features Overview

Contents 1. LTE Functionalities and Overview 2. Channel Configuration 3. General parameter DB structure and System Information Broadcast

4. Random Access 5. Radio Admission Control (RAC) 6. Radio Bearer Control & DRX /DTX Management 7. LTE Mobility Management 8. UL/DL Scheduler    9. MIMO Mode Control (MIMO-MC) 10.Power Control

3

©N okiaSiemensNetworks

RA41211EN10GLA1

RA41211EN10GLA1

3

LTE Functionalities & Features Overview

LTE in 3GPP Release 8 3GPP and Operator Requirements

Study Phase

PacketSwitchedDomain Optimized

2004: 3GPP workshop on UTRAN Long Term Evolution

RTT 336 kbps TTI is 1 ms, i.e. duration of 2  resource blocks 9

©N okiaSiemensNetworks

• 16QAM => 4 bits per symbol => 672 kbps • 64QAM => 6 bits per symbol => 1.008 Mbps RA41211EN10GLA1

RA41211EN10GLA1

9

LTE Functionalities & Features Overview

Exercise Exercise - Theoretic Theoretical al LTE LTE Bit Bit Rates Rates - Downlink Downlink • Bit Rates per Resource Block × Number of Resource Blocks Channel Bandwidth

Figures in Mbps 1.4MHz 3MHz

5MHz

10MHz

15MHz

20MHz

QPSK

2.016

5.040

8.400

16.800

25.200

33.600

16QAM

4.032

10.080

16.800

33.600

50.400

67.200

64QAM

6.048

15.120

25.200

50.400

75.600

100.800

64QAM (2+2 MIMO)

12.096

30.240

50.400

100.800 151.200 201.600

64QAM (4+4 MIMO)

24.192

60.480

100.800 201.600 302.400 403.200

• These bit rates are applicable to the bottom of the Physical Layer, i.e. coding rate has not been taken into account

•   Also requirement to account for the overheads generated by Reference and Synchronisation Signals + other Physical Channels 10

©N okiaSiemensNetworks

RA41211EN10GLA1

RA41211EN10GLA1

10

LTE Functionalities & Features Overview

LTE Peak Layer 1 Data Rates •

Downlink: Peak Rate 172 Mbps with 2x2 MIMO and 20 MHz Modu lationcoding QPSK 1/2 Single stream 16QAM 1/2 Single stream 16QAM 3/4 Singlestream 64QAM 3/4 Singlestream 64QAM 4/4 Singlestream 64QAM 3/4 2x2 MIMO 64QAM 1/1 2x2 MIMO 64QAM 1/1 4x4MIMO

•

1.4MHz 0.7 1.4 2.2 3.3 4.3 6.6 8.8 16.6

3.0MHz 2.1 4.1 6.2 9.3 12.4 18.9 25.3 47.7

5.0MHz 3.5 7.0 10.5 15.7 21.0 31.9 42.5 80.3

10MHz 7.0 14.1 21.1 31.7 42.3 64.3 85.7 161.9

15MHz 10.6 21.2 31.8 47.7 63.6 96.7 128.9 243.5

20MHz 14.1 28.3 42.4 63.6 84.9 129.1 172.1 325.1

Uplink: Peak Rate 57 Mbps with 20 MHz and 16QAM Modu lationcoding QPSK 1/2 Single stream 16QAM 1/2 Single stream 16QAM 3/4 Single stream 16QAM 1/1 Single stream 64QAM 3/4 Single stream 64QAM 1/1 Singlestream 64QAM 1/1 V-MIMO(cell)

11

©N okiaSiemensNetworks

1.4MHz 0.7 1.4 2.2 2.9 3.2 4.3 8.6

3.0MHz 2.0 4.0 6.0 8.1 9.1 12.1 24.2

5.0MHz 3.5 6.9 10.4 13.8 15.6 20.7 41.5

10MHz 7.1 14.1 21.2 28.2 31.8 42.3 84.7

15MHz 10.8 21.6 32.4 43.2 48.6 64.8 129.6

20 MHz 14.3 28.5 42.8 57.0 64.2 85.5 171.1

RA41211EN10GLA1

Downlink •Normal Cyclic Prefix considered and 10MHz BW •Following overheads not reduced: CRC, L2/L3 headers, IP headers •Following overheads reduced Synchronization, reference, PBCH, PCFICH, PHICH and 1 PDCCH symbol •Relative overheads Reference symbol overhead 9.5% with 2x2 MIMO PDCCH overhead 4.76% with single symbol (two symbols with 1.4 MHz)(12*Numpdcch symbol-4*RS)/(12*7*2subframes) Other overheads