Slides Daytwo 121110044011 Phpapp02

8/13/2019 Slides Daytwo 121110044011 Phpapp02

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A H G

1.1. I LTEI LTE

2.2. OFDMAOFDMA

3.3. SCSCFDMAFDMA

4.4. LTE N PLTE N P

5. LTE R P5. LTE R P

6. LTE U P C 6. LTE U P C

SS

7. LTE M7. LTE M

8. LTE T M8. LTE T M


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D T

A H G


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S 5: LTE R PLTE I A

D

C LTE

P S SS S S

C LTE,

D R S

C S LTE, S I B LTE

R A P

H LTE

H ARQ D

D EPS B S


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LTE I A


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D


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DL P L P

C

S

D (NB)

PDCCH (P DL C C) /

.

6

,

UE, UE, )

L A

S

.

U , UE C Q I(CQI) NB.

H ARQ (A R R)


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C S LTE


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S & C S

UE LTE,

. C S , UE

&

8

DL UL

.

T :

C


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C C

C S M B P

9

LTE UE .

C & .

U


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C C

C S M B S

S 1:

C

1.25

20MH T UE

10

S 2:

BCH

S 3:

UE

S: 3GPP R1061651, 3GPP TR 25.814 1.5.0

UE

(BTS).

UE

UE


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S S

D LTE :

INITIAL SNCHRONIATION UE LTE

.

11

.

NE CELL IDENTIFICATION

D UE LTE

.

D UE

, .


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RS : R S

PBCH : P B C

PSS :

SSS : /

C S

12

PSS (P S S) SSS (S S S)

.

P :

& .

UE.

UE FDD TDD.


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P S S


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S S S


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PSS SSS FDD

15


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PSS SSS TDD

16


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C LTE,


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D


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R S & C E

B , LTE PH P

, , , .

S LTE PRB.

S OFDM

CP, OFDM CP.

19

S 6 .

D LTE , 3 RS :

C RS

UE RS

MBSFN RS


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DL R S S 2 & 4 A T

20


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RS C E P ,

, T/R,

, , NB UE.

K 3, :

.

21

FD C E

L I E

IFFT E

TD C E

F & I L MMSE (M M S E)

N LMS

SD C E


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C LTE,


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PSCH SSCH

P D S C

P D C C

D P C S

23

P B C

P C F I C

P M C

P H ARQ I C

PSCH : P S C

SSCH : S S C


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LTE D P C 1

24


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LTE D P C 2

25


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S LTE


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R A P


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H LTE?


29/143

I PDCCH


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C C & L A P

.

L LTE

( ) ,

.

30

FEC.

S FEC LTE :

C C

T C

LDPC (L D P C)

F LTE : HARQ

(H A R R).


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L A UE: R

T

!

ENB: R

31

I

(). T

.


32/143

A M A M & C

,

.

L

32

.

P

.

D ,

.


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T SNR P LTE M C

33


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A M & C

34


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QS QCI


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H ARQ

ACK/NACK HSDPA,

UE

, ACK/NACK UL, PUCCH (P U C C)

PUSCH (P U S C) UL

),

, 8 HARQ .


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H ARQ O


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D EPS


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S 6: U P C SS UL D

UL F H

D R S (DRS) UL

S R S (SRS) UL

PUSCH &

A UL PHICH

P UL C C


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U


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S


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P R A C

P U S C

U P C S

42

PUSCH (P U S C): .

PUCCH (P U C C): ACK/NACK, CQI

.


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U D T

P , (RB).

U RB ,

DFT

, ( 2, 3 5).

I 1 ( ).

43

U P U S C (PUSCH), B .

P U C C (PUCCH)

, : CQI ACK/NACK,

.


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UL

,

. E

,

. F

,

,

. E 2 , UE /

DCI 0, .

, B ,

.S R&S SMU200A V S G


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D R S (DRS) UL


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S R S (SRS) UL


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PUSCH &


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R A

S LTE UE (U E) , .

O LTE RACH (R A C) UE LTE.

P LTE , :

48

.

D , UE, UE .

D , NB UE.


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C R A P

49

S 2 : R A

R

S 3 : L2/L3

S 4 : C


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C R A P

50

P

,

.


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UL T P

U

D (NB)

PDCCH (P DL C C) / .

S ( QS, UE, UE, )

51

U A

U , : , & , B.

U

D UEUE ,

NB.

H ARQ


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A UL PHICH


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P U C C

PUCCH U C I (UCI), PUSCH ,

I PUSCH , UE , UCI ,

UCI S R (SR), ACK/NACK DL , CQI, P M I (PMI) R ,

PUCCH , ,

M ,

I PUCCH,

A RB PUCCH (2/2/2 1/1/1) 2/2/2,


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PUCCH

CQI / PMI / RI PUCCH ,

PUSCH


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P C P (1/2)

( / )


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P C P (2/2)


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T1

2

A

B

C DLSCH

PCH

C ID ,

3

4

C

D

E

SCH

,

RB ,

, RSN#, HARQ

P#, TCP C,

C DMRS, UE

O B, CP ,

MIMO , ID,

5


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ASCH ,

C ID ,

C DLSCH PCH

RB , ,

RSN#, HARQ P#, TCP C,

C DMRS, UE

O B, CP , MIMO, ID,


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S 7: LTE MH (IMME / S G)

LTE I 2G/3G: T RRC S:

C I

HRPDMIMO

LTE MIMO

LTE

D S FB C (2 T )

D S M

LTE MIMO UL S

L H L A T E S


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C

3 AEE

(.. , ,,)

EA

A

AA

B

3

47

+

2

6

L H L A T E S

EPS uses the concept of EPS bearers to route IP traffic from a gateway in the PDN to the UE.

A bearer is an IP packet flow with a defined Quality of Service (QoS) between the gateway and theUE.

The E-UTRAN and EPC together set up and release bearers as required by applications.

E

B BE A (E)

3

A

ED

A

A

EC (AE)

5 51

2

A 3

A

SAE B M


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SAE B M

O


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U

3GPP

T

(AAA

)

CP : S1C NB MME

UP : S1U NB UPE

MME : Mobility Management Entity

UPE : User Plane Entity

3GPP Anchor : Mobility anchor between 2G/3G and LTE access systems (based on GTP)SAE Anchor : Mobility anchor between 3GPP access systems (2G/3G/LTE) and non-3GPP access systems (e.g. WLAN, WiMAX).

SAE A F E


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SAE A F E

SAE A 3GPP2 O


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, , 3GPP2

SAE R


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SAE IMS


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H (IMME/S G)


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H (IMME/S G)

LTE I 2G/3G


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T RRC : CONNECTED & IDLE

LTE I CDMA2000 1RTT


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HRPD (H R P D)

I MIMO:


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(D)

C

R T

G SNR R

D

H

N

L

B

M A T:


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F B M

71

M A T


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M A T

T MIMO :

72

S D: I SNR

R

S M: I

S

S D


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T D

S C (STC): R

(). R SNR N N

P

73

O 802.16 (22 A STBC), 3G CDMA

S M


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MIMO M

D

P L () STC

74

MIMO O


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75

D & MIMO


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76

LTE MIMO:


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:S F B C (SFBC)

I :

T

C O

C (CDD):

A R /

LTE


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D


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SF B C (2 T )

D


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LTE MIMO:


81/143

U : 1 RF , 2 T UE

C

NB UE

M MIMO / MIMO: S 2

U /

E UE

NB UE

M U S


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S ( ) .

DL UE, .

S : .

82

S HARQ.

P : &

P BER

QS

CQI (C Q I)

UE

CD S


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S

S

T

HSPA

S

L

83

P


84/143

P

.

B LA (L

A)

.

84

LA

CQI ,

BLER .

M O

BLER

LA .


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S 8: LTE T M

LTE RF T NB M

ACLR DL (FDD)

NB P R

UE RF T A

T M

I E

IQ C

ACLR M

R

LTE R&D

S LTE

LTE T I

T S LTE T IOT

LTE C T

LTE T C

LTE F T

S 3GPP


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PCRF


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I ,

P C E

F (PCEF) PG.

T PCRF QS (QS

)

PCEF

.

PG


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T PG IP UE,

QS

PCRF. T PG IP

.

T F T (TFT).

T PG QS G B R

(GBR) .

I

3GPP CDMA2000 MA

.

SG


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A IP SG, UE NB.

I UE ( ECMIDLE) MME UE

.

I , SG (.. ), .

I 3GPP GPRS UMTS.

MME


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T MME

UE CN.

T UE CN (A).

F . T , ,

NAS .

F . T

UE,

NAS .

HSS


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H S S (HSS) . I , MME. I .

T HSS , , PDN ,

. F 3GPP AN, HSS I PG . T

, , A C (AC), HSS.

I , HSS MME. T HSS MME , UE . F UE, HSS MME , MME UE, HSS MME.

EPS C M


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T EUTRAN UE, UE .

T EPS C M IDLE (ECMIDLE). TMME UE .

T ECMIDLE UE UE

T A (TA); T A U. TMME UE ECMIDLE.

ECMIDLE UE, MME NB TA, NB UE . O , UE UE ECMCONNECTED .

MME


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SG


94/143

PG


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PCRF


96/143

Each PCRF may be associated with one or more AF, P-GW and S-GW. There is only

one PCRF associated with each PDN connection that a single UE has.

LTE RF T A

B (NB) 3GPP


97/143

B (NB) 3GPP

F C (FC) EA (E),

(= D) B

O : RE PC , ,

(= ):R , D, I ,A (ACS)

, B,R , R

, T ON/OFF : T

OFF ,

, T : F

E, E V M (EVM),T , DL RS , .

U : OB, A C L

P R (ACLR), O , .

T ,

PUSCH: F , UL

, ,

HARQACK PUSCH, PUCCH: DT ACK ,

ACK PUCCH 1( ), CQI PUCCH 2, ACK PUCCH 1 ( )

PRACH : FALSE

,

3GPP TS 36.104: B S (BS)

NB


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F I , UE

,

Q : OB, L 0.05 + 12H (1),

E V M (EVM), A ,

L QPSK (17.5%), 16QAM (12.5%), 64QAM(8%),

T , O T ,

, 65 ,

DL RS C CDMA CPICH RSCP; DL RS

SIB T 2, DL RS 2.1B,

ACLR DL (FDD)


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ACLR DL (FDD):

N LTE!


100/143

N LTE!

NB

PRACH I


101/143

PRACH I AC

3 36.141 EA B ,

T FALSE (P 0.1% ),

P (P = 99% SNR),

T :

D SNR (

),

NB

PRACH I


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PRACH I D

(

),

NB

PRACH II


103/143

PRACH II A 3 36.211 C

C

, T

R&S SM R&S AMU,

S

R&S

SMU200A V

S G


104/143

LTE RF T A

U E (UE) 3GPP


105/143

( )

T ,

O ,

T S Q, F , EVM .

, EVM . , LO I I

R ,

UE ,

A , B ,

I ,

, ,

O RF , O , S

E M (SEM), AC L P R(ACLR),

S E,

T I,

S ,

D FDD PDSCH (FRC),

D FDDPCFICH/PDCCH (FRC)

3GPP TS 36.101: U E (UE)

T


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A 3GPP LO ( IQ )

EVM .

I


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IQ


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A LO , IQ , .,

M ,

R , EVM

(3GPP TS 36.101 V8.3.0, A F),

I DL DC UL ,

(= 7.5 H) DC

,

D LO

ACLR I


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R


110/143

>95%

R S L,

A C S,

,

D 3

LTE

R&D


111/143

S LTE


112/143

LTE


113/143

C UE

( )

S ,

D LTE

I LTE

E .

.

LTE

R


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R

UE

N M EPS

M EPS

C ()

GUTI T

P: ( , VIP, ) P: LTE , RAT

T LTE IOT


115/143

LTE


116/143

3 E

3 A5

RF

R R M(RRM)

S

C (..CF)

A5

LTE


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LTE

B 1 4 MH 20 MH


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B 1.4 MH 20 MH

D LTE FDD TDD

C

GSM EDGE, CDMA HSPA, CDMA2000 1EV

DO) S

F / H NB

LTE

F :


119/143

C

N ( )

D K P

I (KPI) ,

/

E

E LTE


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10 S D 3G/4G

IP D T

1. ? 6. I


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1. ?

2. D I

?3. D I

6. I

?

7. ?

?

4. C I E2E

UDP

5. TCP UL/DL?

8. I ?

9. D ?

10. H

?

S 1: ?


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S 1: ?


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I UE DL?C I

C I UE?

I

M M

2. D I T?

RF

H UL


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L : E

H EVM

H EVM

S

L /

S , LO

R

3GPP T M


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UL RF M


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3. D I ?

H D


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L :

M

(

UL/DL, , , )

3. D I ?


128/143

DL D T TD LTE(20MH , 22 MIMO, UL/DL 5, 6)


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M T: UDP FTP (TCP)

D F


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+ U

+

+ S

+T

/

+ L

N

N

A A

TCP C

T

5. C I E2E

TCP?


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TCP , ,

TCP C ,

, .

TCP F


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6. I ?

(V, , )


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7. ?

D


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E2E

AC (BE & )

C !

8. I ?


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E2E , AC, DC,

C

SMS E2E IP

C /

9. D ?


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BLER/T T

S T M E2E T

10. H ?


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C C A M G R 21M R!


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C C D P: MIPS M!


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C C C14 (21M) D B


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C C N A HSDPA C 6 D H S T


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F N


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T E

T

Slides Daytwo 121110044011 Phpapp02

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