Wcdma or Utra

8/18/2019 Wcdma or Utra

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Communication Networks Research Lab.

CNRLab., Fall 2000

IMT-DS & IMT-TC(WCDMA or UTRA)


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CNRLab., Fall 2000

Channel Structure

• Logical Channels

– CCH: Control CHannel

• BCCH: Broadcast Control CHannel

• PCCH: Paging Control CHannel

• ACH: or!ard Access Control CHannel

• "ACH: "ando# Access Control CHannel

• $CCH: $edicated Control CHannel

– TCH: Traffic CHannel

• $TCH: $edicated Traffic CHannel

• PTCH: Pac%et Traffic CHannel


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CNRLab., Fall 2000

Channel Structure

• Trans&ort Channels

– Co##on CHannels

• BCH: Broadcast CHannel

• PCH: Paging CHannel

• ACH: or!ard Access CHannel

• "ACH: "ando# Access CHannel

• $SCH: $o!nlin% Shared CHannel

• CPCH: Co##on Pac%et CHannel

– $edicated Channels

• $CH: $edicated CHannel


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CNRLab., Fall 2000

Channel Structure

(cont’d

• Physical Channels

– CPICH: Co##on PIlot CHannel

– P'CCPCH: Pri#ary Co##on Control Physical CHannel

– S'CCPCH: Secondary Co##on Control Physical CHannel

– SCH: Synchroni(ation CHannel

– AICH: Ac)uisition Indicator CHannel

– AP'AICH: Access Prea#*le Ac)uisition Indicator CHannel

– C$+CA'ICH: Collision $etection+Channel Assign#ent IndicatorChannel


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CNRLab., Fall 2000

Channel Structure

(cont’d

• Physical Channels

– PICH: Paging Indicator CHannel

– P"ACH: Physical "ando# Access CHannel

– CSICH: CPCH Status Indicator CHannel

– PCPCH: Physical Co##on Pac%et CHannel

– $PCH: $edicated Physical CHannel

• $PCCH: $edicated Physical Control CHannel

• $P$CH: $edicated Physical $ata CHannel


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CNRLab., Fall 2000

Channel Ma!!in"

BCHBCH

PCHPCH

ACHACH

"ACH"ACH

$CH$CH

P'CCPCH

S'CCPCH

$P$CH

$PCCH$PCH

P"ACH

SCH

CPICH

CPCHCPCH PCPCH

AICH

AP'AICH

PICH

C$+CA'ICH

CSICH

P$SCH$SCH$SCH

Trans&ort

Channels

Physical

Channels

$o!nlin%

,&lin%

$L+,L


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CNRLab., Fall 2000

$u&le-$u&le- $$ .I/T'$S0 + T$$ .I/T'TC0$$ .I/T'$S0 + T$$ .I/T'TC0

S#stem $arameters

/ulti&le Access/ulti&le Access

Chi& "ateChi& "ate

Carrier S&acingCarrier S&acing

ra#e Lengthra#e Length

$S'C$/A+$/A+S$/A$S'C$/A+$/A+S$/A

3.84+1234+56273 /c&s3.84+1234+56273 /c&s

628 /H( .988 %H( carrier raster0628 /H( .988 %H( carrier raster0

58 #s58 #s

Trans#ission Ti#e IntervalTrans#ission Ti#e Interval 58 #s+98 #s+8 #s+48 #s58 #s+98 #s+8 #s+48 #s

Su&er'ra#e Si(eSu&er'ra#e Si(e

/ulti'"ate+;aria*le "ate/ulti'"ate+;aria*le "ate

198 #sec .< 3 × 59 × 58 #sec0198 #sec .< 3 × 59 × 58 #sec0

;aria*le S&reading actor .=6590 > /ulticode .≤ 30;aria*le S&reading actor .=6590 > /ulticode .≤ 30

Trans&ort or#at $etectionTrans&ort or#at $etection Trans&ort or#at Co#*ination Indicator + Blind $etectionTrans&ort or#at Co#*ination Indicator + Blind $etection

Channel CodingChannel Coding? 79 %*&s? 79 %*&s

≥ 79 %*&s≥ 79 %*&s

Convolutional .K


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CNRLab., Fall 2000

&u!le' o IMT%&S

6 /H(

6 /H(

58 #sec


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CNRLab., Fall 2000

IMT-DS()C&M*+F&& or TR*+F&&


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CNRLab., Fall 2000

&S%C&M*

8

5296 926 7216 628 3296 126 4216 58288 /H(

I/T'9888

5296 926 7216 628 3296 126 4216 5828 /H(

724 /c&s

724 /c&s 724 /c&s

724 /c&s


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CNRLab., Fall 2000

S&M*

• Cellular Syste#Carrier frequency

PN sequence

Carrier frequency

PN sequence

Carrier frequency

PN sequence

Carrier frequency

PN sequence

Carrier frequency

PN sequence

Carrier frequency

PN sequence


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CNRLab., Fall 2000

&ata Rate -s. Chi! Rate

4 kbps

8 kbps

16 kbps

32 kbps

64 kbps

128 kbps

384 kbps

589 %*&s

984 %*&s

3.84 Mcps

1234 /c&s

56273 /c&s

0 kbps

Chip RateData Rate


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CNRLab., Fall 2000

Si"nal Format

$o!nlin% Physical Channels

,&lin% Physical Channels


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CNRLab., Fall 2000

C$IC, SC / $%CC$C

8 5 9 ••• 5

8 5 9

PC

Ti#e Slot

C

Pri#ary Synchroni(ation Code

Secondary Synchroni(ation Code

56 %s&s

ra#e

SCH

P'CCPCH

7

58 #s

CPICH

Pri#ary

Scra#*ling

Code


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CNRLab., Fall 2000

S%CC$C

8 5 9 ••• 5

8 5 9 ra#e

Data Pi*%t+,C-

7

Ti#e Slot

Pri#ary

Scra#*ling

Code

SecondaryScra#*ling

Codes

8

5

97

56


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CNRLab., Fall 2000

$R*C

8 5 9

8 5 9 7 6 3 1 4 @ 58 55 59 57 5

/essage Part

8@3

chi&s

/essage Part

58 #s

98 #s

8 5 9 7 6 3 1 4 @ 58 55 59 57 5

/

/

8 5 9 7 6 3 1 4 @ 58 55 59 57 5

Ti#e Slot

Access Slot

ra#e7


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CNRLab., Fall 2000

$reamble o $R*C

8 5 9

Access Slot

ra#e

8 5 9 7 6 3 1 4 @ 58 55 59 57 5

/essage

8@3 chi&s

8@3 chi&s < 963 G 53 chi&s

Hada#ard Code of Length 53

58 #s or 98 #s

7

Scra#*ling Code

Hada#ard Code

CNRL b F ll 2000


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CNRLab., Fall 2000

$C$C

8 5 9

8 5 9 7 6 3 1 4 @ 58 55 59 57 5

/essage Part

8@3

chi&s

58 #s G n

8 5 9 7 6 3 1 4 @ 58 55 59 57 5

/

8 5 9 7 6 3 1 4 @ 58 55 59 57 5

Ti#e Slot

Access Slot

ra#e7

/

Access

Prea#*le

Collision

$etection

Prea#*le

Po!er

Control

Prea#*le

CNRL b F ll 2000


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CNRLab., Fall 2000

&onlin1 &$C

8 5 9 ••• 57 5

8 5 9

+,C-+PC Pi*%tData Data


Ti#e Slot

$PCCH$P$CH

ith TCI

ithout TCI .Blind

$etection0

+PC Pi*%tData Data

+PC Pi*%tData Data

ra#e7

CNRLab Fall 2000


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CNRLab., Fall 2000

&SC / &onlin1 &$CC

8 5 9 ••• 5

8 5 9 ra#e

Data

7

Ti#e Slot

+,C-+PC Pi*%t

+,C-+PC Pi*%t



Data

$PCCH

$PCCH $P$CH

CNRLab Fall 2000


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CNRLab., Fall 2000

!lin1 &$C

8 5 9 ••• 5

8 5 9

Data

,- +PCPi*%t

Ti#e Slot

$P$CH

$PCCH +,C-

ra#e7

CNRLab Fall 2000


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CNRLab., Fall 2000

Closed Loo! $oer Control

• &en Loo& ,&lin% Trans#it Po!er Control

• &en Loo& $o!nlin% Trans#it Po!er Control

• Closed Loo& ,&lin% Trans#it Po!er Control

• Closed Loo& $o!nlin% Trans#it Po!er Control

CNRLab Fall 2000


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CNRLab., Fall 2000

Data

+,C- +PC

Data

Closed Loo! $oer Control

+,C-+PC P+Data Data

+,C-+PCData Data

P+

P+

82331 #s

589 chi&s

P+

tart P%int %f

+rans)it P%er

$&ust)ent

P+

R -R

Measure)ent

, -R

Measure)ent

R-

R-

P+

tart P%int %f

+rans)it P%er

$&ust)ent

Data

Data

CNRLab Fall 2000


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CNRLab., Fall 2000

Channel Codin" / Interlea-in"

Convolutional Coding

Tur*o Coding

/ulti'stage Interleaving ./IL0

CNRLab Fall 2000


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CNRLab., Fall 2000

Inner Codin" $arameters

+ransp%rt Channe* +ype+ransp%rt Channe* +ype

CC(CC(

Coding Sche#eCoding Sche#e Coding "ateCoding "ate

PC(PC(

,$C(,$C(

R$C(R$C(

DC( 5 32 kbpsDC( 5 32 kbps

DC( ≥

32 kbpsDC( ≥ 32 kbps

Convolutional Code

.K


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CNRLab., Fall 2000

Con-olutional Code

-nput

Data

3 4N

03 4FF

RateRate

172172173173

eneratin9 P%*yn%)ia*eneratin9 P%*yn%)ia*

555 585 855555 585 855585 585 555585 585 555

585 558 885585 558 885558 558 855558 558 855 555 885 885555 885 885

CNRLab., Fall 2000


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CNRLab., Fall 2000

Turbo Code

• F)ual to I/T'/C

-nterna*

-nter*ea:er

-nterna*

-nter*ea:er

-nput

Data

yste)atic

it

Parity its

$ifferent fro#I/T'/C

CNRLab., Fall 2000


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,

S!readin" Modulation

Co#&le- PSK

rthogonal Co#&le- PSK

CNRLab., Fall 2000


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,

Modulation

• $o!nlin% .BS → /S0

S+PCo#&le-

/ulti&ly

Co#&le-

/ulti&ly

Σ

Σ

CJ-

P5 P9

E-

E-

Σ

sin(wct)

cos(wct)

CPSK


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CNRLab., Fall 2000


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Modulation (cont’d

• ,&lin% ./S → BS0

S+PCo#&le-

/ulti&ly

Co#&le-

/ulti&ly

Σ

Σ

Σ

J9nJ8 J5

E-

E-

sin(wct)

cos(wct)

$eci#ator $eci#ator

CPSK

P5 P9


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CNRLab., Fall 2000


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Common $ilot / &edicated $ilot

$edicated Physical Channel

Co##on Physical Channel

CNRLab., Fall 2000


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*s#nchronous Inter%5S S#stem

58 #sec

ra#e Trans#it Ti#e

CNRLab., Fall 2000


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&i-ersit# ando

∆t

∆t

∆t

CNRLab., Fall 2000


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Site Selection Transmit &i-ersit#

"eceived

Pilot

Po!er

$cti:e et

8

$cti:e et

$cti:e et

D%n*ink

DPC(fr%) ;$

D%n*inkDPC(

fr%) ;

58 #s

CNRLab., Fall 2000


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Inter%Fre6uenc# ard ando

f 7

f 9

f 5

Hard

Handoff $PCH

CNRLab., Fall 2000


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Scramblin" Code

Shortened Eold Se)uence Eenerator

Initial Cell Search


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CNRLab., Fall 2000


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!lin1 Scramblin" Code 7enerator (7old Se6uence or R*89 Recei-er

PI

53111979 < 99

7488

996'5

PI P

7488

P

85951545@989599979 76314

CNRLab., Fall 2000


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!lin1 Scramblin" Code 7enerator (9'tended S(2 Code or M&

PI

8597631

8597631

8597631

> /a&&er P

7

9

7

7

>>>

#od

9

9

#od 9

#od 9

#od


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CNRLab., Fall 2000


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4rtho"onal :ariable S!readin" Factor Code

0

00

01

0000

0011

0101

0110

00000000

00110011

01010101

01100110

00001111

00111100

01011010

01101001

0000000000000000

0011001100110011

0101010101010101

0110011001100110

0000111100001111

0011110000111100

0101101001011010

0110100101101001

0000000011111111

0011001111001100

0101010110101010

0110011010011001

0000111111110000

0011110011000011

0101101010100101

0110100110010110

,


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Initial Cell Search *l"orithm

SlotJ8 SlotJ5 SlotJ9 SlotJ7 SlotJ SlotJ5 SlotJ56 SlotJ8

82331 #s

58 #s

Co##a ree Code

CNRLab., Fall 2000


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Initial Cell Search *l"orithm (cont’d

BSJB

BSJC

BSJA

CNRLab., Fall 2000


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Initial Cell Search *l"orithm (cont’d

82331 #s

82396 #sBSJA

BSJB

BSJC

Matche&

,i*ter

/utput

CNRLab., Fall 2000


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Initial Cell Search $rocedure

Slot+Sy#*ol Synchroni(ation

ra#e Synchroni(ation

Code Erou& Identification

Scra#*ling Code Identification

/S Po!er

Code Trac%ing

ne /atched ilter

Seventeen Correlators

Si-teen Correlators


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CNRLab., Fall 2000


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STT&

• S&ace Ti#e coded Trans#it antenna $iversity

S+P Σ

sin(wct)

cos(wct)

ΣS+PFncoder

*7 *9 *5 *8

'*5 *8 *7'*9

*7 *9 *5 *8

CNRLab., Fall 2000


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TST&

• Ti#e S!itched Trans#it $iversity for SCH

sin(wct)

Σ

sin(wct)

cos(wct)

Σ

ΣE9

E5

Σ

E9

E5

SCH

PSC

SSC

963 chi&s

CNRLab., Fall 2000


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Closed Loo! Transmit &i-ersit#

Σ

Σ

!5

Σ

sin(wct)cos(wct)

Σ

"BB

$F/,D

BI

Channel

$ecoder

CPICHJ9

CPICHJ5

>ei9ht enerat%r

!9

$PCH


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CNRLab., Fall 2000


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T&& 4!eration

al%ie'Tal%ie unction


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CNRLab., Fall 2000


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$arallel Transmit &i-ersit#

Co#&le-

/ulti&ly

Σ

Σ

y

E-

E-

Σ

sin(wct)

cos(wct)

-

S+P• •

•

• • •

Co#&le-

/ulti&ly

Σ

Σ

PI

P

E-

E-

ΣS+P• • •

• • •

CNRLab., Fall 2000


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+hank y%u ?+hank y%u ?

Documents

Wcdma or Utra