Key IRAT Re-selection and Handover Parameters

I DL E

3G<->2G

VOICE

3G->2G

PS

3G<->2G

Qqualmin QRxLevMin SSearchRat QHyst1S

Minimum Required Quality Level in the Cell (Qqualmin) Minimum Required Received Level in the Cell(Qrxlevmin) Inter-System Measurement Trigger Threshold for Cell Reselection (Ssearch,RAT) Reselection Hysteresis 1 of Serving Cell (Qhyst1s)

-18dB

-18dB

-115dBm

-115dBm

6dB

4dB

10dB

10dB

Quality Offset 1(Qoffset1s,n ) Between Qoffset1SNSib11 Serving Cell and Neighbouring Cell 10dB Broadcasted in SIB11

0dB

Quality Offset 1 (Qoffset1s,n) Between Qoffset1SNSib12 Serving Cell and Neighbouring Cell 0dB Broadcasted in SIB12

0dB

Treselection

Cell Reselection (Treselections)

Timer

Value

1s

1s

FDD_Qoffset

FDD reselection offset

0(-∝)

0(-∝)

FDD_Qmin

MIN Ec/No of UTRAN reselecting 7( -12 dB) cell

Qsearch_I

Measurement threshold of UE 7（always） 7（always ） performing UTRAN cell reselection

7( -12 dB)

CPICH Ec/Io threshold

2D

CPICH RSCP threshold

2D

2D quality threshold

2D strength threshold

Type

Unit Default

Suggest

CS

dB

-13

-13

PS

dB

-13

-13

CS

dBm -95

-95

PS

dBm -95

-105

Hysteresis2D

Hysteresis 2D

CS/PS dB

4

4

TimeToTrigger2D

timer to trigger 2D

CS/PS ms

640

640

CS

dB

-5

-5

PS

dB

-5

-5

CS

dBm -80

-90

PS

dBm -80

-100

CPICH 2Fthreshold

Ec/Io

CPICH 2Fthreshold

RSCP

2F Ec/No threshold

2F RSCP threshold

Hysteresis2F

Hysteresis 2F

CS/PS dB

4

4

TimeToTrigger2F

2F EVENT trigger timer

CS/PS ms

640

640

CS

dB

-6

-6

PS

dB

-6

-6

CS

dBm -95

-92

PS

dBm -95

-102

Ec/Io 3A Ec/Io threshold

CPICH 3Athreshold CPICH 3Athreshold

3A RSCP threshold RSCP

3A RSCP threshold

Hysteresis3A

3A Hysteresis

CS/PS dB

4

4

TimeToTrigger3A

3A trigger timer

CS/PS ms

100

100

Parameter name Qsearch_C_Initial Qsearch_C

Description Initial parameter instead of qsearch_c before UE receiving qsearch_c(QsearchCInit) Threshold when UE performs search under specialized mode(Qsearch_C)

Default Suggest 0

0

15

7

REPORT_TYPE

PS measurement type reported by UE(ReportTypePS)

0

0

FDD_REP_QUANT

PS class of reported quantities of UTRAN adjacent cells(FDDRepQntPS)

0

0

0:RSCP