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Inter PLMN interworking

3G site

Ec/No <= –18 dB or RSCP <=–105 dBm

Ec/No <= –16 dB (RSCP is not used)

Ec/No >= –12 dB and RSCP >= -94 dBm

Area of expected 3G coverage

Area of cell reselection to 3G when current cell is 2G

Area of UE still stay on 3G ifsuitable 2G cell can’t be met

+

Out of 3G coverage area in idle mode

Border for 3G in idle mode start tolook for 2G cell for reselection

End of 3G coverage area in idle mode 3G reselect 2G when2G Rxlev > 3G RSCP + 4 dB , and2G Rxlev > -99 dBm , for 1 sec

2G Idle reselect 3G

3G Idle reselect 2G

4dB gap in Ec/No

Idle mode (U2100 <-> G900)

3G site

Ec/No <= –18 dB or RSCP <=–105 dBm

Ec/No <= –16 dB (RSCP is not used)

Ec/No > –12 dB and RSCP > -95 dBm

Area of expected U2100 coverage

Area of cell reselection to U2100 when current cell is U900

Area of UE still stay on U2100 ifsuitable U900 cell can’t be met

+

Out of U2100 coverage area in idle mode

Border for U2100 in idle mode start tolook for U900 for reselection

End of U2100 coverage area in idle mode U2100 reselect U900 whenU900 Ec/No > U2100 Ec/No + 2 dB , andU900 Ec/No > -18 dB , andU900 RSCP > -105 dBm , for 1 sec

U900 Idle reselect U2100

U2100 Idle reselect U900

4dB gap in Ec/No

Idle mode (U2100 <-> U900) with E-PLMN at U900

3G site

Ec/No <= –18 dB or RSCP <=–105 dBm

Ec/No <= –16 dB (RSCP is not used)

Area of expected U2100 coverage

Area of UE still stay on U2100 ifsuitable U900 cell can’t be met

Out of U2100 coverage area in idle mode

Border for U2100 in idle mode start tolook for U900 for reselection

End of U2100 coverage area in idle mode U2100 reselect U900 whenU900 Ec/No > U2100 Ec/No + 2 dB , andU900 Ec/No > -18 dB , andU900 RSCP > -105 dBm , for 1 sec

U2100 Idle reselect U900

Idle mode (U2100 <-> U900) without E-PLMN at U900

U2100 SIM roamed to U900 will perform Home PLMN search in every 6 min when stay in idle mode

3G site

RSCP <= –103dBm (Ec/No is not used)

Ec/No >= –12 dB and RSCP >= -94 dBm

Area of expected 3G coverage

Area of cell reselection to 3G when UE back to idle and current cell is 2G

Area of UE still stay on 3G CS call ifsuitable 2G cell can’t be met

+

Out of 3G coverage area in connected mode

Border for 3G in CS call start to look for 2G cell for handover

CS call drop area due to poor coverage3G handover to 2G when2G Rxlev >= -95 dBm

2G Idle reselect 3G

3G CS HO to 2G

9 dB gap in RSCP

CS call (U2100 -> G900)

3G site

RSCP <= –103dBm (Ec/No is not used)

Ec/No >= –12 dB and RSCP >= -94 dBm

Area of expected 3G coverage

Area of PS call reselect 3G when UE current cell is 2G

Area of UE still stay on 3G PS call ifsuitable 2G cell can’t be met

+

Out of 3G coverage area in connected mode

Border for 3G in PS call start to look for 2G cell for handover

PS call drop area due to poor coverage3G handover to 2G when2G Rxlev >= -95 dBm

2G PS reselect 3G

3G PS HO to 2G

9 dB gap in RSCP

PS call (U2100 <-> G900)

Parameter (1)

G900

Group Name GUI value Actual value

SET GCELLHOBASIC INTERRATCELLRESELEN Yes Enable Inter RAT cell reselection

SET GCELLHOBASIC INTERRATOUTBSCHOEN Yes Enable outgoing HO from 2G to 3G

SET GCELLHOBASIC INTERRATINBSCHOEN Yes Enable incoming HO from 3G to 2G

SET GCELLCCUTRANSYS QI 7 Always seach for 3G in idle mode

SET GCELLCCUTRANSYS FDDQOFF 0 Always select 3G if possible

SET GCELLCCUTRANSYS FDDQmin 5 -10 dB

SET GCELLCCUTRANSYS FDDQMINOFFSET 0 0 dB

SET GCELLCCUTRANSYS FDDRSCPMIN 10 -94 dBm

SET GCELLCCUTRANSYS QSEARCHC 15 Never search for 3G in connected mode

SET GCELLCCUTRANSYS QP 7 Always search for 3G in PS transfer mode

Parameter (2)

U2100

Group Name GUI value Actual value

MOD UCELLSELRESEL IDLEQHYST2S 1 2 dB

MOD UCELLSELRESEL CONNQHYST2S 1 2 dB

MOD UCELLSELRESEL IDLEQHYST1S 2 4 dB

MOD UCELLSELRESEL CONNQHYST1S 2 4 dB

MOD UCELLSELRESEL TRESELECTIONS 1 1 sec

MOD UCELLSELRESEL QQUALMIN -18 -18 dB

MOD UCELLSELRESEL QRXLEVMIN -53 -105 dBm

MOD UCELLSELRESEL IDLESINTRASEARCH 127 always search

MOD UCELLSELRESEL CONNSINTRASEARCH 127 always search

MOD UCELLSELRESEL IDLESINTERSEARCH 1 (F1) , 127 (F2,F3) -16 (F1) , always search (F2,F3)

MOD UCELLSELRESEL CONNSINTERSEARCH 1 -16 dB

MOD UCELLSELRESEL SSEARCHRAT 1 -16 dB

ADD UCELLINTERRATHOCOV INTERRATCSTHD2DECN0 -24 Disble Ec/No based Inter RAT HO

ADD UCELLINTERRATHOCOV INTERRATCSTHD2FECN0 -24 Disble Ec/No based Inter RAT HO

ADD UCELLINTERRATHOCOV INTERRATCSTHD2DRSCP -101 -103 dBm

ADD UCELLINTERRATHOCOV INTERRATCSTHD2FRSCP -99 -97 dBm

ADD UCELLINTERRATHOCOV INTERRATHTHD2DECN0 -24 Disble Ec/No based Inter RAT HO

ADD UCELLINTERRATHOCOV INTERRATHTHD2FECN0 -24 Disble Ec/No based Inter RAT HO

ADD UCELLINTERRATHOCOV INTERRATHTHD2DRSCP -101 -103 dBm

ADD UCELLINTERRATHOCOV INTERRATHTHD2FRSCP -99 -97 dBm

ADD UCELLINTERRATHOCOV INTERRATR99PSTHD2DECN0 -24 Disble Ec/No based Inter RAT HO

ADD UCELLINTERRATHOCOV INTERRATR99PSTHD2FECN0 -24 Disble Ec/No based Inter RAT HO

ADD UCELLINTERRATHOCOV INTERRATR99PSTHD2DRSCP -101 -103 dBm

ADD UCELLINTERRATHOCOV INTERRATR99PSTHD2FRSCP -99 -97 dBm

ADD UCELLINTERRATHOCOV TARGETRATCSTHD 16 -95 dBm

ADD UCELLINTERRATHOCOV TARGETRATR99PSTHD 16 -95 dBm

ADD UCELLINTERRATHOCOV TARGETRATHTHD 16 -95 dBm

MOD UINTERFREQNCELL IDLEQOFFSET1SN 0

MOD UINTERFREQNCELL CONNQOFFSET1SN 0

MOD UINTERFREQNCELL

IDLEQOFFSET2SN50 (F1->F2) , 50 (F1->F3) , 0 (F1->U900)-50 (F2->F1) , 0 (F2->F3) , 0 (F2->U900)-50 (F3->F1) , 0 (F3->F2) , 0 (F3->U900)

MOD UINTERFREQNCELL CONNQOFFSET2SN 0

MOD UINTERFREQNCELL

BLINDHOFLAGTRUE (F1->F2 same sector) , TRUE (F1->F3 same sector) , FALSE (F1->U900)TRUE (F2->F1 same sector) , TRUE (F2->F3 same sector) , FALSE (F2->U900)TRUE (F3->F1 same sector) , TRUE (F3->F2 same sector) , FALSE (F3->U900)

MOD UINTERFREQNCELL NPRIOFLAG FALSE

MOD UINTERFREQNCELL BLINDHOQUALITYCONDITION -92

MOD UINTERFREQNCELL SIB11IND TRUE

MOD UINTERFREQNCELL SIB12IND TRUE

MOD UINTERFREQNCELL

HOCOVPRIO0 (F1->F2 same sector) , 0 (F1->F3 same sector) , 0 (F1->U900)0 (F2->F1 same sector) , 0 (F2->F3 same sector) , 0 (F2->U900)0 (F3->F1 same sector) , 0 (F3->F2 same sector) , 0 (F3->U900)

MOD U2GNCELL SIB11IND TRUE

MOD U2GNCELL SIB12IND TRUE

Parameter (3)

U900

Group Name GUI value Actual value

MOD UCELLSELRESELIDLESINTERSEARCH 127

always search for interfrequency neighbors

MOD UCELLSELRESELCONNSINTERSEARCH 4

-10 dB

ADD UINTERFREQNCELLIDLEQOFFSET2SN -50 (U900->U2100) , 0 (U900->U900)

ADD UINTERFREQNCELLCONNQOFFSET2SN 0

ADD UINTERFREQNCELLBLINDHOFLAG FALSE (U900->U2100)

ADD UINTERFREQNCELLQQUALMIN -12 (U900->U2100) , -18 (U900->U900)

ADD UINTERFREQNCELLQRXLEVMIN -48 (U900->U2100) , -53 (U900->U900)

-95 dBm (U900->U2100) , -105 dBm (U900->U900)

ADD UINTERFREQNCELLInterNCellQualReqFlag TRUE

ADD UINTERFREQNCELLSIB11IND TRUE

ADD UINTERFREQNCELLSIB12IND TRUE

ADD UINTERFREQNCELLHOCOVPRIO 0 (U900->U2100)

Disable coverage based HO from U900 to U2100

MOD UCELLSIBSWITCHSibCfgBitMap:SIB18 ON