8 LTE

3GLong Term Evolution,LTE

LTELTELTEE-UTRAN

EPCLTELTE

8.1 1LTE WiMAX

3G3G

3GPP3GPP23GLong Term EvolutionLTEAir Interface EvolutionAIE200723GPP2cdma2000 1x EV-DOUltra Mobile BroadbandxUMB20074

3GPP3G LTE20041220069Study ItemSI2006920079Work ItemWI

20092010 3GPP LTE3GPP R820093R8

LTE

2LTE1LTE

MBMS

2LTE 3GPP LTE 1.2520MHz50Mbit/s100Mbit/s

3GPP R624 5ms100ms 3GPP3GPP

MBMS IPIP Multimedia SubsystemIMS

CSCSPSVoIP

3LTE12

4LTE LTE

LTE3GLTE20003G2010 HSPA+RAN2

8.2 LTE8.2.1 LTE/SAE

8-1 LTE/SAE

8-2 E-UTRANEPC

8.2.2 E-UTRAN1E-UTRANUTRAN LTERNC

E-UTRANeNode BRNCeNode BS1RNCeNode BMobility Management EntityMMEServing Gateway entitiesS-GW

S-GWeNode B

LTEeNode BNode B3GPPRNCMAC

eNode BeNode BMeshUTRAN

IP LTE3GPPIP

2E-UTRAN1eNode B2E-UTRAN X2 Sl LTE-Uu

3E-UTRAN8-3 E-UTRAN

4E-UTRAN1eNode BX2 X2 X2

8-4 X2

8-5 X2

2eNode BEPCS1 S1 S1

8-6 S1

8-7 S1

8.2.3 EPC1SAE8-8 SAE

1SAE 3GPP3GPP Anchor SAESAE Anchor Inter Access System AnchorIASA

evolved Packet Data GatewayePDG User Plane EntityUPE

2SAE S1 S2a S2b S3 S4

S5a S5b S6 S7 SGi

2EPC LTECNEvolved Packet CoreEPC8-1

EPCMMEserving GWPDN GWPCRFHome Subscriber ServerHSS

1MME2S-GW3P-GW4PCRF5HSS

3UE/ eNode B /EPC1UE/eNode B/MME8-9 UE/eNode B/MME

2UE/eNode B/8-10 MME/MME

8-11 E-UTRANUE-P-GW

4LTEIP 3GPPIMSR5R6R7R8IMSR5R6R7R8

8.3 LTE8.3.1 Uu

8-12

L1L2L3

8.3.2 1 MAC

12FEC3HARQ

456/

789MIMO

101112

21 Broadcast ChannelBCH Downlink Shared ChannelDL-SCH Paging ChannelPCH Multicast channelMCH

2 Uplink Shared ChannelUL-SCH Random Access ChannelRACH

31 18-13 1

2 8-14 2

2 Physical Broadcast ChannelPBCHPhysical Control Format Indicator ChannelPCFICH

Physical Downlink Control ChannelPDCCHPhysical Downlink Shared ChannelPDSCHPhysical Multicast ChannelPMCH

Physical Uplink Control ChannelPUCCHPhysical Uplink Shared ChannelPUSCH

Physical Hybrid ARQ Indicator ChannelPHICHPhysical Random Access ChannelPRACH

4 8-15

8-16

8.3.3 12

8-17 E-UTRAN2

2MAC1MAC RLCProtocol Data UnitPDURLC

HARQ

8-18 UE2

UE UE

2

38-19

8-20

3RLC1PDUAMUMTM2ARQ

3TB4Service Data UnitSDUFFS

5PDU67eNode BUE

4PDCP1ROHC2NASRLC34NAS

8.3.4 RRC1RRC1NASAS23RRC

4RRC5RB

6UEUEeNode B

7QoS8/9NAS

2RRC UTRANUE5RRCIDLECELL_DCHCELL_FACHCELL_PCHURA_PCHLTERRCRRC_IDLERRC_CONNECTED

123RRC

8-21 RRC

8.4 LTE8.4.1 OFDM Orthogonal Frequency Division MultiplexingOFDMMulti-Carrier ModulationMCM

OFDM

1OFDM18-22

2OFDM

8-23OFDMOFDM

8-23 OFDM

OFDM

3OFDM8-24 OFDM

8-25 OFDMIFFT

8-26 OFDM

2 OFDM

8-27OFDM

8-27

ICI8-28

8-28

8-29

3OFDMA Orthogonal Frequency Division Multiple AccessOFDMAOFDM

OFDMAOFDMOFDM

4OFDM1OFDM FFTOFDM

OFDM

FFTFFT OFDM

OFDMMIMOOFDMMIMO

2OFDM

8-30 a QPSK b16QAM c64QAM

FFTFFT

8.4.2 MIMO1

Single-Input Single-OutputSISOMultiple-Input Multiple-OutputMIMO

MIMOSingle-Input Multiple-OutputSIMO/Multiple-Input Single-OutputMISO

8-31 MIMO

2123

8.4.3 1 MIMO

Space-Time Trellis CodeSTTCSpace-Time Block CodeSTBCLayer Space-Time CodeLSTC/Differential/Unitary Space-time ModulationD/USTMConcatenated Space-Time Code

MIMO

2 Space-Time Trellis CodeSTTCTarokh, SeshadriCalderbankUngerbock

Undgerbock

8-32

8-32

3 Space-Time Block CodeSTBC

8-33 Alamouti

8-34 Alamouti

8-35 Alamouti

4 Layer Space-Time CodeLSTCG.J.FoschiniMIMOBLASTBelllaboratories Layered SpaceTime Architecture

1LTESAE

LTE

OFDMMIMO

2LTEMBMS

3LTEeNode BNode B3GPPRNCHARQMACARQ

eNode BeNode BMeshUTRAN IPeNode BX2S1MMS/S-GWeNode BLTE-UuUEE-UTRAN

4LTECNEvolved Packet CoreEPC EPCMMEserving GWPDN GWPCRFHome Subscriber ServerHSS

5Uu

LTE FDDTDDLTER99/R4

6LTE1GenericFDDTDD2AlternativeTDD

7LTEPBCHPCFICHPDCCHPDSCHPMCH

PUCCHPUSCHPHICHPRACH

8UTRANUE5RRCLTERRCRRC_IDLERRC_CONNECTED

UERRCRRC_CONNECTED RRC_CONNECTEDUE

UERRCUERRC_CONNECTEDRRC_IDLE

9OFDM

OFDM

10MIMO

11MIMO

12MIMO

STTCSTBCLSTC/D/USTM