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LTE/SAE System Overvi Overview ew Extra Slides

S+ectrall E,,iciency Tar)ets S+ectra

Two #nicast EPS .earers TS 2-01

T(T Tra,,ic T(T Tra,,ic (low (lo w Tem+late Tem+late TE34 T!nnel End+oint 3denti,ie 3denti,ierr

Standardi5ed 6oS TS 2-20QCI

Priority

Packet Delay Budget

Packet Error Loss Rate

1

2

100 ms

10*2

Conversational 8oice





190 ms

10*-

Conversational 8ideo :Live Streamin);

9

-00 ms

10*'

,rames H 20 slots I0

I1

I2

I-

I

I9

I'

I%

I$

I?

P.C One s!>,rame :1 ms; H two slots

One slot :09 ms; H % O(4= sym>ols Normal CP, 7 OFDM symbols per slot 

One O(4= sym>ol

T CP 

T u  ''% s

P.C sent in s!>,rame I0 slot 1 sym>ol 0*- over  conse!tive radio ,rames :0 ms; SS sent in s!>,rame I0 and I9 slot s lot 0 and 10 sym>ol 9*' :*9 in case o, extended CP;

© Ericsson 2011 | EPC Arcitect!re | L"#10$%020 &'A | (i)!re 2*12

LTE 4L +ysical reso!rce J

One &eso!rce [email protected] is 12 s!>*carriers s !>*carriers d!rin) one 09 ms slot

J

Te >asic TT3 :T :Transmission ransmission Time Time 3nterval; ,or 4L*SC is 1 ms – TT3 is a transport channel property  – S!>,rame is a physical a physical channel property  property  – One :or two; trans+ort >[email protected] +er TT3 sent to L1

f  H  H 19 @5

O n e  e s l l o  o t  t : T    T   

s l   lo     t  

H 0 /

9 m  s 2 %  O ( 4  4 =  s   y m  m>    o  o l l s  s ;   

© Ericsson 2011 | EPC Arcitect!re | L"#10$%020 &'A | (i)!re 2*1-

One Resource Block  :12% H $ reso!rce elements;

[email protected] K O(4= wit Cyclic Pre,ix J Parallel transmission !sin) a lar)e n!m>er o, narrow>and s!>*carriersM J =!lti*carrierM transmission – Ty+ically im+lemented wit ((T :(ast (o!rier Trans,orm; and 3nverse ((T , 1

3((T

f  !" k#$ 

, 2

S/P

, =

 *+ M#$ e-ample.

J 3nsertion o, cyclic +re,ix +rior to transmission – 3m+roved ro>!stness in time*dis+ersive cannels K re/uires CP 0 1elay sprea1  – S+ectral e,,iciency loss Co+y

Con,i)!ration f 

CP len)t

Sym>ols +er slot

ol o, eac slot as a CP len)t o, 92 s

[email protected] T  & sceme K O(4= Tx

M  sym>ols  sym>ols

f 

0

(rom codin)  mod!lation

Si5e*< 3((T

S/P

M subcarriers

CP insertion

T u  !2 f 

0

to &( tx T CP 

T u

T CP'( 

T u

M  sym>ols  sym>ols

Rx

0

,rom &( rx

CP removal

Si5e*< ((T

P/S To demod!lation  decodin) 0

© Ericsson 2011 | EPC Arcitect!re | L"#10$%020 &'A | (i)!re 2*19

O(4= Tx * 3((T One O(4= sym>ol :''%Rs;

One sam+le

0 2*+%6    )+1 e 3*45+5 0  )+, )+

 X 0

Mo1ulate1 baseban1. an1 co1e1 complesymbols  X 0, X 1, X 2 X1199



I--T

f samplin8  *+%62))&79s   :+&7*M#$ 

/ / / /

)+,"%

n  +&&&*+%7 samples 1urin8 one OFDM symbol ))&7 Rs;

0 2*+%6    e 3*45!5 0 

 X 1

*+%7 

S/P

Q

!2N 

0 2*+%6    e 3*45*5 0 

 X 2

///

 x 0...x3...x2047 

36* mod!lation

k+ 

///

CP insertion

e 3*45!!5 0  2*+%6 

f RF 

 X 1199

///

0

+addin)

0 2*+%6    e 3*45*+%75 0 

0 / / / /

© Ericsson 2011 | EPC Arcitect!re | L"#10$%020 &'A | (i)!re 2*1'

 xn 

1

 N 1

 X k e   N  k  0

 j 2 kn  N 

, n  0... N  1

O(4= &x * ((T  N 1

 j 2 kn

 X k    xn e

 N 

, k   0... N   1

n0

One O(4= sym>ol :''%Rs;

One sam+le k+, 5  +2*+%6  k+1 05+2*+%6  e'3*45 0  k+

 x0

--T / / / /

k+,"%

5  !2*+%6  05!2*+%6  e'3*45 0 

 x1

*+%7  36*demod

 x0...x3...x2047 

S/P

Q

5  *2*+%6  05*2*+%6  e'3*45 0 

/Sam+lin)  x2

/// f RF 

CP remo;al 

n+ 

/// 5  *+%72*+%6  05*+%72*+%6  e'3*45 0 

 x2047 

/ / / /

© Ericsson 2011 | EPC Arcitect!re | L"#10$%020 &'A | (i)!re 2*1%

Baseban1 complesymbols sent to 1emo1 an1 1eco1in8   X 0 , X 1, X 2

... X 1199..0, 0

k  +&&&*+%7 samples 1urin8 one OFDM symbol ))&7 Rs;

Cell*s+eci,ic &e,erence Si)nals * m!lti+le antennas J

One re,erence si)nal +er antenna +ort – –

J

4i,,erent time/,re!ency reso!rces !sed ,or di,,erent antenna +orts –

J

1 2 or  antenna +orts s!++orted s+eci,ied +er antenna +ort re,erence si)nals are not  +re*coded  +re*coded

ol transmitted on one antenna

i)er density in time ,or antenna 1 2 tan antenna - 

 Antenna +ort I1

 Antenna +ort I1

 Antenna +ort I2

 Antenna +ort I2

 Antenna +ort I-

Fre/uency  Time © Ericsson 2011 | EPC Arcitect!re | L"#10$%020 &'A | (i)!re 2*1$

 Antenna +ort I

#[email protected] transmission sceme  K 4(TS*O(4= J

O(4= wit 4(T*>ased +re*codin) 

J

Same >asic MO(4=M +arameters as ,or [email protected]

Low PAP&

– , H 19 @5 TCP  % / 92 s TCP*E  1'% s J

Orto)onal [email protected] K no intra cell inter,erence .E1 [email protected] o, =1 sym>ols ,or !ser 1

MSin)le*carrierM si)nal  ,1

Si5e*=1 4(T

Si5e*< 3((T

CP insertion T CP 

0

T CP'( 

.E =2F=1 [email protected] o, =2 sym>ols ,or !ser 2

0

T u T u

MSin)le*carrierM si)nal ,2

Si5e*< 3((T

Si5e*=2 4(T

CP insertion T CP  T CP'( 

© Ericsson 2011 | EPC Arcitect!re | L"#10$%020 &'A | (i)!re 2*1?

T u T u

4L reso!rce )rid 9 =5 S!>,rame 0

S!>,rame 9

  r   e    i   r 2$$   r   a   c   x    >   e   !   d   n    S    i

1$0

1'$

10$

0 © Ericsson 2011 | EPC Arcitect!re | L"#10$%020 &'A | (i)!re 2*20

S!>,rame 1* '*?

Time   y   c   n   e   !   C   e   r    (

#L reso!rce )rid P&AC P#CC P#SC 4=&S in P#SC Su/0rame ,

Su/0rame 1 Su

Su/0rame 

Su/0rame !

(or cell ran)e over 19 @m

Su/0rame "

Su/0rame #

Su/0rame $

Su/0rame %

Su/0rame &

Su/0rame '

Oter +ossi>le P&AC o++ort!nities P&AC P#CC P#SC 4=&S in P#SC

Su/0rame ,

Su/0rame 1 Su

Su/0rame 

Su/0rame !

Su/0rame "

© Ericsson 2011 | EPC Arcitect!re | L"#10$%020 &'A | (i)!re 2*21

Su/0rame #

Su/0rame $

Su/0rame %

Su/0rame &

Su/0rame '

#[email protected] reso!rce allocation J Eac s!>,rame consists o, two slots J Eac slot consists o, – ' >[email protected] ,or data :eac >[email protected] is one 4(TS*O(4= sym>ol; – 1 >[email protected] ,or re,erence si)nals J Transmission >andwidt and location in ,re!ency controlled >y e  !    *  ,   ,   r a  am    e : 1  1 

O n  e s  l l o  ot    :  0/ 9  0  m s   ; 

1&. 4ata © Ericsson 2011 | EPC Arcitect!re | L"#10$%020 &'A | (i)!re 2*22

-&. &e,erence si)nal

m s   ; 

#L Cannel*so!ndin) Cannel*so!ndin) re,erence si)nal

#ser I1

#ser I2

O n  e s  !>  !   *  ,r  ,     a  am    e : 1  1 m  s   ; 

O n  e s  l l o  ot    :  0/ 9  0  m s   ; 

4ata

4emod!lation re,erence si)nal

Cannelso!ndin) re,erence si)nal

© Ericsson 2011 | EPC Arcitect!re | L"#10$%020 &'A | (i)!re 2*2-

TA List conce+t

© Ericsson 2011 | EPC Arcitect!re | L"#10$%020 &'A | (i)!re 2*2

Slid Sl idin in) ) TA TA Li List st Bi Bind ndow ow

© Ericsson 2011 | EPC Arcitect!re | L"#10$%020 &'A | (i)!re 2*29

Pa)in) Proced!re

© Ericsson 2011 | EPC Arcitect!re | L"#10$%020 &'A | (i)!re 2*2'

n ance o ce erv ce Transmitter 

© Ericsson 2011 | EPC Arcitect!re | L"#10$%020 &'A | (i)!re 2*2%

*

n ance &eceiver 

o ce erv ce

© Ericsson 2011 | EPC Arcitect!re | L"#10$%020 &'A | (i)!re 2*2$

*

n ance codecs Source codec /it rate 2k/it3s4 9? :SC*8.&; %2 $0 ?' 1-2 1-2 :cannel aware; 1' 2 -2 $ ' ?' 12$

o ce erv ce

5udio /a)d6idt(s supported le o+tion © Ericsson 2011 | EPC Arcitect!re | L"#10$%020 &'A | (i)!re 2*-9

 Access via lic #ser 34 ? == A!t Answer  ilities 9

&E73STE&

ssed!se

$

P!>lic 34 4lisment Ori)inatin)

Terminatin)

Exec!tion o, Ori)natin) ==Tel services ,or A

Exec!tion o, Terminatin) ==Tel services ,or . 8T5S

8T5S 3SC

3SC

3=S Core =w

SCSC-

ICSC-

=w

SCSC-

=w

Cx =w

LTE/EPC S.7

 A callin) callin) .

 A © Ericsson 2011 | EPC Arcitect!re | L"#10$%020 &'A | (i)!re 2*91

.

S3P to S3P Session +art 1 ed!se domain

imtse domain

CS*AS

CS*AS SS

 S*CSC(

9 1'

3o>Ximtse S4P P*CSC(

S*CSC(

19

3o>Ximtse

S4P %

S4P

S4P

1$0 &)

P*CSC( 3o>X3P S4P 1-

 P*CSC(  Pro,ile  Tri))ers  #A 3P

 #A or S.7 3P  S*CSC(

1$0 &)

1

-

1$0 &in)in)

1$0 &)

3o>Ximtse S4P

S*CSC(

S4P ?

1$0 &)

3     3     P    ' P    Ximtse

1$0 &)

1$0 &)

>o>Ximtse

$

S4P 2  P*CSC(  Pro,ile  Tri))ers  #A 3P

1'

3o>Ximtse

1$0 &)

S*CSC(

>o>Ximtse S4P



3o>Ximtse

3Ximtse D' -1 0 -%91

6C3 =a++in) QCI 1  ! " # $ % & '

Resource Packet delay Packet error  Priority type /udget loss rate

*BR

:o)*BR

 " # ! 1 % $ & '

1,, ms 1#, ms !,, ms #, ms 1,, ms 1,, ms

1, 1,! 1,$ 1,! 1,$ 1,!

!,, ms

1,

Example services 88Tel 0ull duplex voice 88Tel 88Tel 88T el real time video

I8S sig)ali)g De0ault /earer  88Tel? text commu)icatio)9 88Tel? 0ile tra)s0er9 picture3video clip [email protected]

J ==Tel ==Tel Service recommended r ecommended to ma+ onto  di,,erent EPS >earers J  An 3=S #E will always ave at least two >earers allocated all te time – Te de,a!lt >earer :.est e,,ort; – 3=S si)nalin) * S3P :6C3H9; J 4!rin) a voice call a tird >earer active :6C3H1; J 3n te ,irst de+loyments te de,a!lt >earer will >e !sed ,or 3=S si)nalin) © Ericsson 2011 | EPC Arcitect!re | L"#10$%020 &'A | (i)!re 2*99

4edicated EPS .earer Esta>lisment

© Ericsson 2011 | EPC Arcitect!re | L"#10$%020 &'A | (i)!re 2*9'

4istri>!tion o, PCC &!les

4edicated EPS .earer Esta>lisment Est a>lisment

PCC? Policy Co)trol a)d C(argi)g © Ericsson 2011 | EPC Arcitect!re | L"#10$%020 &'A | (i)!re 2*9%

8oice Call 3nitiation

Only i, terminal is in >attery savin) state :#E*3dle =ode;

EPS 8oice >earer esta>lisment

© Ericsson 2011 | EPC Arcitect!re | L"#10$%020 &'A | (i)!re 2*9$

8oice Call Answerin)

Only i, #E in 3dle mode

EPS 8oice >earer esta>lisment

© Ericsson 2011 | EPC Arcitect!re | L"#10$%020 &'A | (i)!re 2*9?

End 8oice Call

© Ericsson 2011 | EPC Arcitect!re | L"#10$%020 &'A | (i)!re 2*'0

=O Call :ori)inated call; J CS(. re!ested >y te #E :=O call;

© Ericsson 2011 | EPC Arcitect!re | L"#10$%020 &'A | (i)!re 2*'1

=T :terminatin); call in idle mode J CS(. re!ested >y te [email protected] :=T call;

© Ericsson 2011 | EPC Arcitect!re | L"#10$%020 &'A | (i)!re 2*'2

=T call in connected mode

 A
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