`ecruoseR oidaR ` :

, ,

: . 9 9 9 9 9 9 9 9

9 9

XRT HCCB derreferP

yrteR detceriD gniueuQ

lortnoC llaC porD noitacolA HCCDS cimanyD

: ecruoseR HCCDS ecruoseR HCT FE/HCT , H/HCT , F/HCT : tols elgniS F/HCT : ) DSCSH ( tols itluM

: CSB SM SM

XRT )LSTR( :

: XRT a ni LSTR fo sepyT 9 9 9

9 9 9

RF tnenamrep RH tnenamrep etar laud

: scedoc hceeps ehT etar lluF lamroN etar flaH lamroN etar lluF decnahnE

: , SM

SB ( ysuB ) knilpU AMDT eldI )seiradnuob tnereffiD(

.

eldI .

. , ( ) 85. 80 , 80.50 MSG eldI

. )ELDI_VELXR = LEVEL ECNEREFRETNI(

: (1 ~ 23edoireP HCCAS ) eccorP gnigarevA ecnerefretnIss

HCCAS . HCCAS 23 1 eldI

eldI . eldI

: (a (b

. eldI , eldI

. : yradnuoB1 yradnuoB ~ 4

. -74 ~ Bd -011Bd : yradnuoB0 yradnuoB , 5

. -011Bd -74 Bd eldI

:

Interference Band 1 if 0 < RXLEV_IDLE ( Interference Level ) < X1 Interference Band 2 if X1 < RXLEV_IDLE ( Interference Level ) < X2 Interference Band 3 if X2 < RXLEV_IDLE ( Interference Level ) < X3 Interference Band 4 if X3 < RXLEV_IDLE ( Interference Level ) < X4

Interference Band 5 if X4 < RXLEV_IDLE ( Interference Level ) < X5 = 63 :

0 < X1 < X2 < X3 < X4 < X5 = 63

: TS4 .

: (0 = evitca toN) (0 ~ 36 Bd ) dlohserht NC ,

LU dlohserht NC . ) Bd 36 ~ 0 ( .

:leveL ecnerefretnI mumixaM` ` :

: (a) , LU VELXR mumitpO

. ( ) (

desu toN = LU_VELXR mumitpO nehW dlohsrht NC )RWPXT_SM XAM_RWPXT_SM( + LU_VELXR = VEL_FTNI_XAM )1

:

putes llaC LU LU_VELXR . tpmetta OH

SM FR XAM_RWPXT_SM( - )RWPXT_SM . SM

:(-901..-74/ N )LU_VELXR mumitpO hceepS LU FR

LU , ataD . XRT .

:

, ) RWPXT_SM XAM_RWPXT_SM ( + LU_VELXR ( nim (xam= VEL_FTNI_XAM )2 dlohsrht NC - ))NIM_RWPXT_SM RWPXT_SM( LU_VELXR , )LU_VELXR mumitpO

: , )NIM_RWPXT_SM RWPXT_SM(

. , SM SM

: OH (b eldI

: level mnmitpO rwp sM , ecnalaB velxR )n(llecN M - )))n( nim_rwpxT_sM - )n(xam_rwpxT_sM( ) n(C

level mnmitpO rwp sM

HO

AX_INTF_LEV = max( min (Av_ Rxlev_)) , (Av_Rxlev_Ncell(n) Rxlev BalanceN thrshold(n)

Rxlev Balance .

( :0 ~ 02 Bd )ecnalaB velxR

. CSB LD LU 5 LD , ecnalaB velxR= 5 Bd:

. LU Bd : (-011 ~ -74 / N )level mnmitpO rwp sM

OH LU FR . lleC .

: , eldI CSB

. ( dnaB ecnerefretnI) .

: XRT

Bd 02 = dlohserht NC mBd 87- = LD_velxR = ecnalaB velxR Bd 5 mBd 501- 011- 1 dnab ecnerefretnI mBd 001- 401- 2 dnab ecnerefretnI mBd 59- 99- 3 dnab ecnerefretnI mBd 09- 49- 4 dnab ecnerefretnI mBd 74- 98- 5 dnab ecnerefretnI

dlohsrht NC ecnalaB velxR - LD_VELXR = VEL_FTNI_XAM mBd 02 mBd 5 mBd 87- = mBd 301- =

2 oB , 1 oB ) 2 dnab ecnerefretnI( XRT .

: `noitacollA HCT ni ytiroirP` HCCB XRT

. XRT . HCCB

gnippoH FR HCCB gnippoH FR

. XRT )XRT HCCB( XRT

. LU XRT HCCB : ( 0 , 1 , 2 ) noitacollA HCT ytiroirP XRT

. XRT HCT XRT HCCB _noN XRT HCCB

. 2 ~ 0 noitacollA HCTni ytiroirP XRT ecnereferp on = 0 dereferp HCCB = 1 dereferp HCCB ton = 2

: ( noitpo )XRT HCCB dereferP sibA XRT HCCB . ..... . XRT

HCCB XRT dereferP . HCCB XRT

. kraM HCCB

Prefered BCCH Mark) prefered / Normal ( : TRX BCCH

. TRX BCCH .

Case 1. Preferred BCCH TRX and TRX fault / cancel 1a) preferred BCCH mark in one TRX first after TRX-1 fault after TRX-1 fault cancel PB TRX-1 BCCH TCH faulty BCCH TRX-2 TCH BCCH TCH 1b) preferred BCCH mark in two TRXs first after TRX-1 fault after TRX-1 fault cancel PB TRX-1 BCCH TCH faulty BCCH TRX-2 TCH TCH TCH PB TRX-3 TCH BCCH BCCH Case 2. preferred BCCH TRX and BCF unlock, supposition: faulty TRX is repaired

before unlock first after TRX-1 fault after TRX-1 fault cancel PB TRX-1 TCH faulty TCH BCCH TRX-2 TCH TCH TCH TRX-3 BCCH BCCH TCH

Prefered BCCH TRX , Restrictions:

a(

b(

c(

TRX Prefered BCCH TRX TRX (Floating TRX) . BSC BCCH BCCH TRX BSC

. HR BCCH TRX BSC

FR . BCCH TRX Lock BSC BCCH TRX

.

: `gnippoH ycneuqerF` .

. , HCCAF , HCCAS , HCCDS , HCT )lennahC detacided(

.

`gnippoH ycneuqerF wolS `) HFS ( MSG . tsruB tsruB

( cesn 775) , ` gnippoH ycneuqerF tsaF` ) .(

:`gnippoH si STB` . STB

: gnippaH si STB

) gnippoH oN ( N ) gnippoH dnabesaB ( BB ) gnippoH ycneuqerf oidaR( FR

: gnippoH dnab esaB sub-F . STB XRT FR MBB

. XRT FR MBB

.( / ) AMDT . ( MSG ) H.B.B

. XRT . gnippoH XRT HCCB OST

. renibmoC dirbyH / retliF

. H.BB

( :0 ~ 36) bmuN ecneuqeS gnippoH re(NSH) .

)modnoR oduesP = 36 ~ 1 , cilcyC = 0 : NSH( rebmuN ecneuqeS gnippoH ) O ST rof 1 NSH( 1 rebmuN ecneuqeS gnippoH levelstB ) 7 ST~ 1 ST rof 2 NSH( 2 rebmuN ecneuqeS gnippoH

:(gnippoH dezisehtnyS) gnippoHFR / gnippoH ycneuqerF oidaR XRT STB XRT FR MBB

.( ) AMDT .

. ( MSG ) H.FR

XRT . XRT STB . gnippoH HCCB

. renibmoC retliF

: H.FR

( : MSG009 : 1 ~ 421 ) tsiL noitacollA eliboM

. . ( :1 ~ 821 ) DI noitacollA eliboM

. CSB .

( :1 ~ 821) noitacollA eliboM desU

.

( :0 ~ 36) rebmuN ecneuqeS gnippoH(NSH) .

)modnoR oduesP = 36 ~ 1 , cilcyC = 0 : NSH( rebmuN ecneuqeS gnippoH

( :0 ~ 26) iboM xednI tesfO noitacollA el(OIAM)

)LAM( .

OIAM .

: 4 + 4 + 4

XRT . )LAM( . LAM gnippoH

XRT XRT HCCB OIAM =0 ~8 . AM

. 3 = NSH

`tnemeganam OIAM elbixelF ` OIAM OIAM

. . OIAM

( ( (

LAM . MSG LAM

.

(

(

elgniS NSH / AM . HCCB

.

petS OIAM htiw - etiS rep NSH/AM elgniS :riDyrteR detce

HCT HCCDS ) revodnaH ( RD . HCT

, HCT SM SM

RD . . tcejeR

: ( seY /oN )esUnI RD RD CSB RD

. CTM COM RD. CSB yrteR detceriD

. : (0 ~ 41 s )RD timiL emiT niM

yrteR detceriD CISB SM .

RD ) lleC tegraT( ) RD CSB.

. ( : (0 ~ 51 s )RD timiL emiT xaM

CSB . RD

HCT teseR HCT

HCT . . tcejeR

. , lleC niM velxR htiw erapmoC velxR-1 kraM ssalC SM -2 lleC eht ni velrwP xaM -3

velxR < ) n(niM velxR . velxR .

: (-011...74 mbd ) : lleC niM velxR OH

. : ( 0 / 1) edoteM RD

. ) lleC tegraT ( . CSB

esu ni ton tnemevorpmI : 0 . : 0

eldI sM noihavlavE dihserhT -1 dlohserhT rd : 1

. : dlohserhT RD

XR RD . CSB .

. lleC niM velxR dlohserhT RD . RD

noitacolA HCCDS cimanyD ` ` HCCDS

. HCT , HCCDS , HCCDS

. .

, . HCCDS

HCCDS , HCCDS OH

. HCCDS OH : HCCDS

. knilpU XRT ( ST S.T XRT (

. XRT ( etar flaH , etar lluF , etar lauD (

. . , HCBC (

: STB HCCDS (a

(b

(c

(d

HCCDS ST HCCDS . ,

, HCCDS HCT , HCCDS HCCDS

. , USCB XRT CSB HCCDS , XRT 23 HCCDS 21 XRT .

. HCCDS 483 STB XRT HCCDS

. XRT HCCDS XRT / HCCDS 61 = 8 / HCCDS cimanyD 1 + 8 / HCCDS citatS 1