wimax bts3703 hardware system 20071026 b 1.0

7/24/2019 WiMAX BTS3703 Hardware System 20071026 B 1.0

1/42

HUAWEI TECHNOLOGIES CO., LTD. Huawei Confidential

Security Level: Internal

www.huawei.com

BTS3703 Hardware

System

CDA Team

In Wi!ele"" Netwo!# Gene!al En$inee!%" Office


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HUAWEI TECHNOLOGIES CO., LTD. &a$e 'Huawei Confidential

The 0TS)7/), a !o!ieta!4 !oduct

de5eloed 34 HUAWEI 3a"in$ on the IEEE

6/'.8e !otocol", i" a WiA9 3a"e "tation.

Thi" document de"c!i3e" the ha!dwa!e

"4"tem of the 0TS)7/) :;'//-//


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HUAWEI TECHNOLOGIES CO., LTD. &a$e )Huawei Confidential

0TS)7/) &!oduct De"c!ition

:;'//-//=/,+@8

Dule2 mode

TDD :DL and UL "u3*f!ame !atio '(6, )(+<

odulation mode

DL( B&S, 8BA, 8>BA UL( B&S, 8BA

Codin$ mode Con5olutional code, con5olutional Tu3!o code

&owe! Cont!ol UL( oen loo and clo"ed loo

IO at!i2 A :')/ 2 78 2 +7 with !ac#

)+/ 2 '+ 2 >>/ without !ac#

Wei$ht :#$< + ''@+

&owe! :W6 ; :*)6.> ; to *+7 ;< *>6 ; :*)8; to *+7;< DC

Wo!#in$ f!euenc43and":GH? '.) GH?

'.>8 '.8/ '.+ GH?

).> ).8 ).+ GH?

a2imum t!an"mitowe!

The ma2imum t!an"mit owe! of an antenna i"/ W, and acco!din$l4 the ma2imum t!an"mitowe! of a --U i" '/ W.

'.) @'.+ GH?

The ma2imum t!an"mit owe! of an antenna i"+ W, and acco!din$l4 the ma2imum t!an"mitowe! of a --U i" / W.

).+ GH?

Channel 0andwidth + H? @/ H?

a2imumcaacit4@th!ou$hut

+ 3it@" + H?3andwidth

)/ 3it@" / H?3andwidth

Oe!atin$ teme!atu!e: + :with an ai! filte!< @++ :without anai! filte!/ , ma2imum(+/ :"ola! !adiation con"ide!ed< @++ :"ola! !adiationnot con"ide!ed6 ; DC inut into the !eui!ed owe! outut.

I1 module( e!fo!m" di$ital I@B demodulation, di$ital u con5e!"ion, di$ital to analo$ :D@A< con5e!"ion o5e! DL

channel". O5e! UL channel", the I1 module e!fo!m" analo$ to di$ital :A@D< con5e!"ion, di$ital down con5e!"ion, and

di$ital I@B demodulation. -1 module( O5e! DL channel", the -1 module mi2e" analo$ I1 "i$nal" with the !eui!ed wo!#in$ f!euenc4 and

"end" the mi2ed "i$nal" to the antenna afte! owe! amlification. O5e! UL channel", the -1 module e!fo!m" lowe!noi"e amlification and down con5e!"ion fo! the "i$nal" !ecei5ed 34 the antenna and then "end" the analo$ I1

"i$nal" to the I1 module. Dule2e! module( The dule2e! allow" -9 "i$nal" and T9 "i$nal" to "ha!e one antenna channel 34 multile2in$ -9

"i$nal" and T9 "i$nal" o5e! the -1 channel". The dule2e! can al"o filte! the T9 and -9 "i$nal". &A module( The &A module amlifie" the -1 "i$nal" f!om the -1 module. 1an"( Two fan" a!e euied in the --U fo! coolin$. &owe! module( The owe! module con5e!t" >6 ; DC inut into the !eui!ed owe! outut.

--U function module"


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HUAWEI TECHNOLOGIES CO., LTD. &a$e 7Huawei Confidential

S!tware Structure ! the BTS3703

SI+ ,,

S,6 2&T

&e!fo!min$ 6/'.8e*

3a"ed "i$nalin$ cont!ol and

!otocol mana$ement

&e!fo!min$ 6/'.8e*

3a"ed data t!an"mi""ion

cont!ol mana$ement on the

u"e! lane.

&e!fo!min$ de5ice*!elated

lo$ic !e"ou!ce mana$ement

&e!fo!min$ 6/'.8e*3a"ed

!adio !e"ou!ce mana$ement

&e!fo!min$ cont!ol

mana$ement fo! the GW*

0S inte!face :the -8

inte!face amlifie! ci!cuit

,: Sul4in$ owe!"

S&- : &!otectin$ the --U

a$ain"t li$htnin$

(F) :Ai! filte!


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HUAWEI TECHNOLOGIES CO., LTD. &a$e '7Huawei Confidential

Chapter " Hardware Structure and

#r$in% &rinciples ! the BTS3703

"41 Intrductin t the BTS3703

"4" BB)"43 ,,)

"4. BTS3703 Clc$ System

"4/ (ntenna System

"45 &wer Supply System


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HUAWEI TECHNOLOGIES CO., LTD. &a$e '6Huawei Confidential

Clc$ Synchrniatin des ! the BTS3703

The 0TS)7/) "uo!t"

G&S cloc#.

04 u"in$ the 3uilt*in

G&S ca!d, the00U)7/) o3tain" G&S

"4nch!oni?ation "i$nal"

and thu" en"u!e" cloc#

"4nch!oni?ation on the

enti!e netwo!#.

'

The 00U)7/) ta#e" the

G&S &&S cloc#

"i$nal" a" the

"4nch!oni?ation!efe!ence "i$nal".

)

When the

communication with the

G&S "4"tem i"

inte!!uted, the cloc#"4"tem of the 0TS)7/)

chan$e" to f!ee*!un

mode, which !o5ide" a

"tand34 time of u to 6

hou!".


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HUAWEI TECHNOLOGIES CO., LTD. &a$e 'Huawei Confidential




"4" BB)

"43 ,,)

"4. Clc$ System

"4/ (ntenna System



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HUAWEI TECHNOLOGIES CO., LTD. &a$e )/Huawei Confidential

(ntenna System

,,)

Feeder

(ntennaThe radi antenna system receives and transmits

radi si%nals4

The +&S antenna system receives +&S si%nals r

+L2'(SS si%nals4

0a"ed on ho!i?ontal !adiation atte!n", antenna"

a!e cla""ified into two t4e"( di!ectional antenna

and omnidi!ectional antenna. Fou can choo"e one

t4e o! cu"tomi?e them 3a"ed on the actual

"ituation".

The 00U and G&S a!e in"talled with the "u!$e

!otecto!. If the 00U i" laced in the A&,

!e"e!5e enou$h "ace fo! in"tallin$ the "u!$e

!otecto! and !outin$ ca3le".


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Page 31HUAWEI TECHNOLOGIES CO., LTD. All rights

Sur%e &rtectr

1unction"( &!otectin$ the de5ice" a$ain"t the li$htnin$ cu!!ent of

the conducto! in the feede! ca3le

The "atellite antenna" and de5ice" mu"t 3e in"talled with "u!$e

!otecto!".

The &!otect connecto! of the "u!$e !otecto!

fo! the G&S "hould face the G&S.The &!otect connecto! of the "u!$e !otecto!

fo! the euiment "hould face the 3a"e "tation.The feede! "hould 3e connected to the Su!$e

connecto! fo! the "u!$e !otecto! and the

wate!!oof mea"u!e mu"t 3e !o5ided.


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HUAWEI TECHNOLOGIES CO., LTD. Page 32Huawei Confidential




"4" BB)"43 ,,)

"4. Clc$ System

"4/ (ntenna System



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Page 33HUAWEI TECHNOLOGIES CO., LTD. All rights

BL)S&D BL)&W-

BL)T-U

BL)&AU

BL)SU

Fan

A&

o!

DC 0O9

00U

owe!

3oa!d

>6 ;

DC

).) ;

+

;

>6 ;

DC

6 ;

'6 ;

'6 ;

Su!$e

!otecto!

&owe!

3oa!d

T1

!oce""in$

3oa!d

&ow

e!

amlifie!

ain

"e!5ice

!oce""in$

3oa!d

6 ;

&wer Supply System


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HUAWEI TECHNOLOGIES CO., LTD. &a$e )>Huawei Confidential

(&

The A& !o5ide" the followin$ function"( -ated inut 5olta$e( ''/ ; AC@/ ; AC -an$e of inut 5olta$e( / ; AC to '/

;ac a2imum inut cu!!ent( '+ A :u"e!

"oc#et not con"ide!ed< &!o5idin$ a DC owe! "ul4 u to *>6;

DC 8/A &!o5idin$ > U "ace fo! the de5ice" &!o5idin$ 3uilt*in 3atte!ie" and ''/ ; AC

li$htnin$ !otection module"

The A& i" u"ed fo! outdoo! alication.

A&'//

A&//


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HUAWEI TECHNOLOGIES CO., LTD. Page 3H!a"ei C#$%ide$tial

-C B;The DC 0o2 i" an indoo! li$htnin$ !otection 3o2 fo! DC owe!. It can 3e

in"talled in the *inch ca3inet o! on the wall. All ca3le" mu"t !un alon$

the f!ont anel.Inut@outut 5olta$e( *>6 ; DC-an$e of inut@outut 5olta$e( *)6.> ; DC to *7' ; DCThe DC 0o2 can feed one )' A owe! inut and "i2 owe! di"t!i3ution

outut. The ma2imum outut cu!!ent of each channel i" / A. Li$htnin$

!otection and owe! di"t!i3ution

The DC 0o2 !eo!t" !emote fault ala!m" and the ala!m indicato!!o5ide" local ala!m indication.

SW SW' SW)

SW8SW+SW>

S&D

NEG:* 'etwr$in%

Ulin#Ulin# Downlin#Downlin#

F1F1

1122

33

1122

3311

22 33

All the 0TS)7/)" "ha!e a f!euenc4. Each of the th!ee "ecto!" in a 0TS)7/) u"e" one*

thi!d of the "u3*channel". The "ecto!" facin$ to the "ame di!ection in diffe!ent

0TS)7/)" u"e the "ame "u3*channel". To en"u!e that the "u3*channel" of the

nei$h3o!in$ "ecto!" in a 0TS)7/) a!e uniue, all the "ecto!" u"e the "ame &e!m0a"e.

(lo$ical "u3*channel /*/

'(lo$ical "u3*channel *''

)(lo$ical "u3*channel ')*)>

F1F1

1122

33

1122

3311

2233

Se$ment /("u3*channel /*

Se$ment ("u3*channel /*

Se$ment '("u3*channel '/*'

Alied fo! the initial ha"e ofAlied fo! the initial ha"e of

netwo!# de5elomentnetwo!# de5eloment


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HUAWEI TECHNOLOGIES CO., LTD. &a$e )Huawei Confidential

&)SC =1?3?3> 'etwr$in%

&)SC &)SC with all SC 1 ; 3 ; 3 @ F)SC 1 ; 3 ; 3

The!e a!e th!ee f!euencie". Each of the th!ee "ecto!" in a 0TS)7/) u"e" one f!euenc4.

F1F1

F3F3

F2F2F1F1

F3F3

F2F2

F1F1

F3F3F2F2

(dvanta%es(dvanta%es::

The "ect!um u"a$e i" "imila! to the 2 ) "u3*ca!!ie!!eu"e mode in a "in$le f!euenc4. The "oft hando5e! cannot 3e

imlemented.

-isadvanta%es:

All "ecto!" u"e &USC with all SC.In one 0TS)7/), th!ee "ecto!" u"e the "ame UL=&e!m0a"e, 3ut, diffe!ent

0TS)7/)" a!e a""i$ned diffe!ent UL=&e!m0a"e" to minimi?e inte!fe!ence.

The di"t!i3uted f!euenc4 !e"ou!ce" can 3e full4 u"ed.The netwo!#in$ toolo$4 doe" not !eui!e comle2 "u3*ca!!ie!

mode and i" ea"4 to !eali?e.The "4"tem ha" low o5e!head and i" affected 34 wea#

inte!fe!ence.The netwo!# co5e!a$e i" wide, the co"t in the initial ha"e of

netwo!# de5eloment i" low, and the !i"# of netwo!# de5eloment i"

low. The netwo!# i" ea"4 to 3uild, inte!fe!ence i" ea"4 to cont!ol, and

netwo!# lannin$ and otimi?ation i" ea"4 to imlement.

Alied fo! la!$e*"caleAlied fo! la!$e*"cale

netwo!# de5elomentnetwo!# de5eloment


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HUAWEI TECHNOLOGIES CO., LTD. &a$e >/Huawei Confidential

FF, =1?1?3> 'etwr$in%All the 0TS)7/)" "ha!e a f!euenc4. To en"u!e the effect of

co5e!a$e, u"e the &USC mode on the ed$e of the cell. To im!o5e

the "ect!um u"a$e, u"e the &USC with all SC mode.

The cell" located fa! awa4 f!om the 0TS)7/) u"e the &USC mode.

In one 0TS)7/), each of the th!ee "ecto!" u"e" one*thi!d of the "u3*

channel" that ha" the "ame f!euenc4.

The cente! a!t of the cell u"e" the &USC with all SC mode, and

nei$h3o!in$ "ecto!" u"e diffe!ent &e!m0a"e" to 3alance

inte!fe!ence.

Select the"e two mode" acco!din$ to the C@I. The f!euenc4 !eu"e

facto! i" .

Di"ad5anta$e"(

Thi" netwo!#in$ toolo$4 !eui!e" comle2 "u3*ca!!ie! mode and "u3*channel mode.The "u3*channel mode dete!mine" the "t!en$th of inte!fe!ence. If the!e i" int!a*f!euenc4 inte!fe!ence

3etween nei$h3o!in$ "ecto!" in a 0TS)7/), the load of thi" 0TS)7/) i" hea54.

The !o3a3ilit4 of channel colli"ion dete!mine" the "t!en$th of int!a*f!euenc4 inte!fe!ence.

&!efe!!ed netwo!# toolo$4&!efe!!ed netwo!# toolo$4


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HUAWEI TECHNOLOGIES CO., LTD. &a$e >Huawei Confidential

Typical Cn!i%uratins ! the BTS3703

m2n(num3e! of "ecto!" 2 num3e! of f!euencie"

The 0TS)7/) "uo!t" omni*di!ectional, '*"ecto!, and )*"ecto! confi$u!ation".

It al"o "uo!t" "mooth caacit4 e2an"ion f!om 2 to ) 2 >.

Cn!i%uratin 'umer !BB)3703s

'umer ! ,,)3701C=' T9 -iversity>

1 ; 1 1 1

" ; 1 1 "

3 ; 1 1 3

3 ; " " 5

3 ; 3 3 A

3 ; . . 1"


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wimax bts3703 hardware system 20071026 b 1.0

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