
2/30

HUAWEI TECHNOLOGIES CO., LTD. Page 2Huawei Confdential

Upon completion of this course, you will

be able to:

Know the basic of transmission

Understand the basic concepts, Know the

features, applications and advantages of

!"#$TP, %!$ and $%


3/30

HUAWEI TECHNOLOGIES CO., LTD. Page &Huawei Confdential

Contents

1. The Transmission at a Glance

2. SDH/ST! "#er#iew

$. %D "#er#iew

&. icro%a#e "#er#iew


4/30

HUAWEI TECHNOLOGIES CO., LTD. Page 'Huawei Confdential

'roa(ban( )etwor*

!+

!hone

T

$(N$(N

!+ T

!hone

!+T

$(N

-nternet/S! -!T Ser#er -S +ore

POP

Application

Metro

Backbone

Access

Tra !ro"

ACCESS to #O#

Tra !ro"

#O# to Core

MSCG

'usiness


5/30

HUAWEI TECHNOLOGIES CO., LTD. Page )Huawei Confdential

$G %o&ile Networ'

S+

S+

'S+

'S+

'TS'TS 'TS

'S+

'TS'TS'TS 'TS

'TS'TS 'TS

S+

Tra !ro"

(TS to (SC Tra !ro"(SC to %SC

Tra !ro"

%SC to %SC

S+


6/30

HUAWEI TECHNOLOGIES CO., LTD. Page *Huawei Confdential

)G %o&ile Networ'

)+

)+

)+

)o(e'

Tra !ro"

Node( to *NC

Tra !ro"

*NC to %GW

Tra !ro" %GWto %GW

G%SGS)

)o(e')o(e'

)o(e')o(e'

)o(e')o(e'

)o(e'

G%SGS) G%/G%

Ser#er

)o(e'


7/30

HUAWEI TECHNOLOGIES CO., LTD. Page +Huawei Confdential

T+e o! Trans"ission

%ire transmission oa-ialcable

"ptical fiber Transmission

%ireless transmission /aser transmission

atellite Transmission

icrowa#e Transmission


8/30


Contents


2. SDH/ST! "#er#iew

$. %D "#er#iew

&. icro%a#e "#er#iew


9/30


DWDM

constructions

began

SDH equipments

gradually became

the main stream

Increasing Capacity

Plentiful DWDM were

applied, ll!"ptical networ#

was under research

SDH

standardswere

impro$ed， P

DH was main

stream

Plentiful PDH

products were

applied

Practical

product

appeared

%ao &un

In$ented "ptical

'ransmission

'heory

()** ()+ ())- ()))

.arly ())s ())+()/*

"DM、

"0CWere gradually

applied

fter 1-

De#elopment History of "ptical Transmission

)etwor*


10/30


#DH and SDH

P!"#!" e4uipment functions：

.(ccess all kinds of lowspeed service

2.$ultiple- and !emultiple-

&./ong distance transmission 5amplifier,

regenerator ）'.ervice grooming

).protection（ P!" hasn6t protection

abilit7）

+1

+21 +22

+2$

&

''2 '&

'21 '2$

'22

8&&

8'8'2 8'&

'1

8&28&

!DH: !lesiochronous Di0ital Hierarchy

SDH: Synchronous Di0ital Hierarchy

P!" !"

level

8it rate5Kb#s9

level 8it rate5$b#s9

: 23'0 T$ )).)23

:2 0''0 T$' *22.303

:& &'&*0 T$*

2'00.&23

:' &12*' T$*'

11)&.203

PDH and SDH bit rate


11/30

HUAWEI TECHNOLOGIES CO., LTD. Page Huawei Confdential

+omparison 'etween !DH/SDH


12/30


Networ'in- o! SDH Eui"ent

1. Linear

2. Ring

D

D

DD

T D+ D T3G

D

T

T

D

T

T

3. Mesh

D

D

D

D


13/30

HUAWEI TECHNOLOGIES CO., LTD. Page &Huawei Confdential

!owerful !rotection of SDH 34uipment

一、

)etwor* le#el） NP2）$P Ring protection5 2;#'; $P9&）


14/30

HUAWEI TECHNOLOGIES CO., LTD. Page 'Huawei Confdential

%ST# Solution

MSTP

SAS!"#P!"

ATM$thernet

>"nly one ser#ice boar( is nee(e( on the basis of the e5istin0 SDH

platform to access this *in( of ser#ice>"ne networ* to bear all *in(s of ser#ices, only one platform an( one *in(

of )S instea( of multiple ones>"ne networ*6 fast ser#ice pro#ision 7 lower +!3 8 "!3

Manage%ent

Manage%ent Manage%ent

Manage%ent

Manage%ent AT% board

PDH/SDH board

Et/ernet board

SAN board


15/30

HUAWEI TECHNOLOGIES CO., LTD. Page )Huawei Confdential

Contents


2. SDH/ST! "#er#iew

$. %D "#er#iew

&. icro%a#e "#er#iew9


16/30

HUAWEI TECHNOLOGIES CO., LTD. Page *Huawei Confdential

W/at0s WD%？

;ree %a7

?as tation

Patrol ar


17/30

HUAWEI TECHNOLOGIES CO., LTD. Page +Huawei Confdential

WD% Conet

λ1

λ2

┋

λ1 λ2 λn

┉λ

λn

SDH si0nal

-! pac*a0e

T cells

Different si0nals with specific wa#elen0th are multiple5e(

into a fiber for transmission.


18/30


WD% Site T+e and Networ'in-

Site Type :"T, "D;"D/"D< "=,3G

)etwor*in0 Topolo0y : !2!, +hain, in0, esh.

@(!$@(!$@(!$

@(!$ @(!$

@(!$ @(!$

@T$ @/(

>?.? *m

;@(!$

>?.? *m

R@(!$

1??.? *m

@T$

2??.? *m


19/30


Contents


2. SDH/ST! "#er#iew

$. %D "#er#iew&. icro%a#e "#er#iew


20/30


W/at1s %W !or2

3 %W is a trans"ission s+ste" wit/ t/e si"ilar !untion as otial ne3 Di4erenes o! %W wit/ Otial Trans"ission are5

6.%ediu"5 No need o! otial f&re &ut needs liense !or radio !re usa-e.$.Caait+5 *elati7el+ s"all, usuall+ "a8. o! 6～ $8ST% 96. ).Trans"ission Distane5 Line o! Si-/t, u to se7eral tens o! :",

in;uened &+ li"ati onditions.

3 (eause o! t/e a!ore"entioned !eatures, %W is "ainl+used in t/e s"all aait+ aess la+er transortnetwor'. It &rin-s raid delo+"ent and low TCO to t/e

usto"ers.3 Aliation Situation5

1.2G#3G#&iMa' BS ser(ice backha)l.$.Aess la+er networ' in less de7eloed re-ions.).#ri7ate networ'.


21/30


%W Co""uniation 7s OtialCo""uniation

$% Transmission @ptical Transmission

e(ium icrowa#e（

$??～

$??GH@）

"ptical ;iber

+apacity Usual +apacityA 2BST1/ channel A1C??G/pair fiber

TransmissionDistance

ust be in =ine of Si0ht， about?*m with no obstacles

)ormally within 12?Em ， noinfluence of 0eo0raphical

en#ironment

+ommunication Fuality

-nfluence( by the climate an(weather

（ rain, snow, fo0, air current, etc.）

)o influence of climatic con(itions

+!3 less in#estment an( shorter perio(of (eployment

ore in#estment on basicconstruction an( lon0er perio( of

(eployment

"!3 =ow "!3

an( little maintenance, stron0(isaster resistin0 ability an( easyan( rapi( restoration

)ee(s out(oor maintenance, more

ris* of bein0 (ama0e( (urin0natural (isaster

pplicableSituation

Small capacity, access layer networ*, re0ion (eman(in0 rapi(

(eployment

=ar0e capacity an( lon0 (istancetransmission


22/30


Alia&le Terrains !or %WCo""uniation

Terrains are di7ided as !ollows5

A：%ountains（ also ities wit/ dense tall &uildin-s）

(： Hills

C： #lain

D： Lar-e water area

%W o""uniation is "ost alia&le in terrain A. Terrain (,C

and D !ollow reseti7el+ as a &etter en7iron"ent !or %W

o""uniation.


23/30

HUAWEI TECHNOLOGIES CO., LTD. Page 2&Huawei Confdential

Classifation o! %irowa7e Eui"ent

大容量、长距传输大容量、长距传输

P!" S!"

Split M&

Tr)nk M&

All*o)t+oor M&

2～ 1,$1

32～

-$1（

S)perP!"）

STM*1

2 ' STM*1 （ /P0C）Capacit

Str)ct)re

M)ltiple'Metho+


24/30

HUAWEI TECHNOLOGIES CO., LTD. Page 2'Huawei Confdential

$icrowave frame

$ultiple-ing

$odulation

Translation (mplification

!emodulation

$icrowave frame

$easurements of 8.:.R.

!emultiple-ing

!istortion correction

$odulator Transmitter Receiver !emodulator

Transmission Reception

Di-ital %W S+ste" #rinile Dia-ra"

9 Translation (mplification

A;A; IFIFBBBB BBBBRFRF RFRF


25/30

HUAWEI TECHNOLOGIES CO., LTD. Page 2)Huawei Confdential

Trun' %irowa7e Eui"ent

3 "igh cost large"igh cost large

capacit highlcapacit highl

stable peror%ancestable peror%ance

an+ s)itable or longan+ s)itable or long

+istance trans%ission+istance trans%ission

an+ backbonean+ backbone

net4ork.net4ork.

3 Ra+io re5)encRa+io re5)enc

inter%e+iateinter%e+iate

re5)enc signalre5)enc signal

processing an+processing an+

%)ltiple' )nit are all%)ltiple' )nit are alllocate+ in+oor e'ceptlocate+ in+oor e'cept

antenna an+ ee+erantenna an+ ee+er

sste%.sste%. Tr)nk M&


26/30

HUAWEI TECHNOLOGIES CO., LTD. Page 2*Huawei Confdential

All9outdoor %irowa7e Eui"ent

All*o)t+oorM&

3 All )nits are o)t+oor*All )nits are o)t+oor*

%o)nt.%o)nt.

3 $as to install.$as to install.

3 Sa(es the %achine roo%Sa(es the %achine roo%

spacespace


27/30

HUAWEI TECHNOLOGIES CO., LTD. Page 2+Huawei Confdential

Slit9"ount %irowa7e Eui"ent

Ra+io processing )nit 6O!78Ra+io processing )nit 6O!78

is locate+ o)t+ooris locate+ o)t+oor

inter%e+iate re5)encinter%e+iate re5)enc

signal processing an+signal processing an+

%)ltiple' )nit are all%)ltiple' )nit are all

locate+ in+oor the O!7 an+locate+ in+oor the O!7 an+0!7 are connecte+ b 090!7 are connecte+ b 09

cable.cable.

O!7 can be attache+ to the

back o the antenna or can

be connecte+ b short

:e'ible 4a(eg)i+e 4ith

little loss.

Relati(el s%all capacit

pro%pt an+ con(enient to

install an+ %aintain. The

%ost 4i+el +eploe+ M&in the in+)str .

Split M&

Antenna7nit

O)t+oor 7nit

09 Cable

0n+oor 7nit


28/30


Toolo-+ o! Di-ital %irowa7e

% transmission networ* is base( on hops.

Tree

RingStar

Chai

n7nit

1 hop

P 2 P


29/30


Di-ital "irowa7e !reuen+

"r(inarily (i0ital microwa#e fre4uencies：

&//C//>/11/1$/1/1>/2$ /2C/$2/$> GH@（ -TU recommen(ation）

icrowa#e fre4uency：

from $??H@ to $??GH@&3 K"B &33 &$"B &3 &33 &?"B &3?"C &33 & T "B

1?Em 1 1??m 1? 1 1??mm 1? 1 1?? m

D/; 5Der7

/ow

;re4uenc79

/; 5/ow

;re4uenc79

U";

5Ultra "igh

;re4uenc79

D";

5Der7

"igh

;re4uenc79

$;

5$edium

;re4uenc79

";

5"igh

;re4uenc79

";

5uper "igh

;re4uenc79

:";5:-tremel7

"igh

;re4uenc799

@ptical

;re4uency

%a#elen0th

)ame

ain pplication

(viation

%ireless (viation

8roadcast 8roadcast ;$

8roadcastT D

T D

T D

atellite

$icrowave


30/30

HUAWEI TECHNOLOGIES CO LTD Page &3Huawei Confdential

THANK YOU !

rudiments of transmission network

Documents