Modify Call Control UTRAN System Message Parameters of Cell(MOD CELLCCUTRANSYS)

Function

A configuration command that modifies the call control parameters related to UTRAN system messages of a cell. In this command, the following parameters uniquely identify the cell:

Cell Index or Cell Name

Note

None

Parameters

ID Name Description
IDXTYPE Index type

Meaning:Index type

Value range:BYNAME(By Name),BYIDX(By Index)

Explanation:Index Type.

Default value:None

CELLIDX Cell index

Meaning:Cell index

Value range:0~2047

Explanation: This parameter indicates the source cell index. The source cell index must be unique.

Default value:None

CELLNAME Cell name

Meaning:Cell name

Value range:1-32 characters

Explanation: This parameter indicates the name of the source cell. The name of each cell under one BSC must be unique.

Default value:None

MSCVER MSC Version indication

Meaning:MSC Version indication

Value range:R98_or_below(R98 or below),R99_or_above(R99 or above)

Explanation: This parameter indicates the protocol version of the MSC that works with the BSC. The supported signaling varies with the protocol versions.

Default value:None

MEASURETYPE Measurement Report Type

Meaning:Measurement Report Type

Value range:EnhMeasReport(Enhanced Measurement Report),ComMeasReport(Common Measurement Report)

Explanation: This parameter specifies the type of measurement report sent by an MS.

The enhanced measurement report is a new downlink measurement report, reported by the MS.

Compared with the normal measurement report, the enhanced measurement report has some new measurement items, such as BER and FER. An MS can report up to six GSM neighbor cells in a normal measurement report. Compared with the normal measurement report, the enhanced measurement report has more measurement items.

Default value:None

GSMFREQCNUM Serving band reporting

Meaning:Serving band reporting

Value range:0~3

Explanation: If the system information indicates "MBR", the MS reports the number of neighbor cells on different frequency bands.

When the MS reports the number of neighbor cells on the same frequency band with the serving cell, a maximum of the value of Serving Band Reporting can be reported.

These neighbor cells must meet the following requirements:

1. The receive levels of the neighbor cells must be higher than 900 Reporting Threshold or 1800 Reporting Threshold.

2. The BSIC of a neighbor cell must be valid.

3. The signals of the neighbor cells must be the strongest among all the neighbor cells on the same frequency band.

Default value:None

QI Qsearch I

Meaning:Qsearch I

Value range:0~15

Explanation: This parameter specifies the level threshold for cell reselection in idle mode.

In idle mode, if the signal level in the serving cell is below [0, 7] or above [8, 15], the MS starts to search for 3G cells.

For example:

If this parameter is set to 5 and if the signal level of the serving cell is lower than 5, the MS starts to search for 3G cells.

If this parameter is set to 10 and if the signal level of the serving cell is higher than 10, the MS starts to search for 3G cells.

0: -98 dBm

1: -94 dBm

2: -90 dBm

3: -86 dBm

4: -82 dBm

5: -78 dBm

6: -74 dBm

7: (always), that is, the MS keeps searching for 3G cells

8: -78 dBm

9: -74 dBm

10: -70 dBm

11: -66 dBm

12: -62 dBm

13: -58 dBm

14: -54 dBm

15: infinity(never), that is, the MS does not search for 3G cells.

Default value:None

QCI Qsearch C initial

Meaning:Qsearch C initial

Value range:Use_Qsearch_I(Use Qsearch_I),Always(Always)

Explanation: This parameter specifies the threshold of the signal level for cell reselection in connection mode before Qsearch C is obtained.

Default value:None

FDDQOFF FDD Q offset

Meaning:FDD Q offset

Value range:0~15

Explanation: Only when the average receive level of a 3G cell is FDD Q Offset greater than that of the serving cell, the 3G cell becomes a candidate cell.

0: negative infinity(always select a cell if acceptable)

1: -28 dB

2: -24 dB

...

15: 28 dB.

Default value:None

FDDREP FDD REP QUANT

Meaning:FDD REP QUANT

Value range:RSCP(RSCP),EcN0(Ec/N0)

Explanation: This parameter specifies the measurement report counter of an FDD cell.

Default value:None

FDDFREQCNUM FDD MULTIRAT reporting

Meaning:FDD MULTIRAT reporting

Value range:0~3

Explanation: This parameter specifies the number of UTRAN FDD cells that should be contained in the best cell list or in the measurement report.

Default value:None

FDDQMIN FDD Qmin

Meaning:FDD Qmin

Value range:0~7

Explanation: This parameter specifies one threshold of the signal level for 3G cell reselection.

Only when the receive level of a 3G cell is greater than FDD Qmin, the 3G cell can be one candidate cell for cell reselection.

0: -20 dB

1: -6 dB

2: -18 dB

3: -8 dB

4: -16 dB

5: -10 dB

6: -14 dB

7: -12 dB.

Default value:None

QP Qsearch P

Meaning:Qsearch P

Value range:0~15

Explanation: This parameter specifies one threshold of the signal level for cell reselection in packet transfer mode.

In packet transfer mode, if the signal level in the serving cell is below [0, 7] or above [8, 15], the MS starts to search for 3G cells.

For example:

If this parameter is set to 5 and if the signal level of the serving cell is lower than 5, the MS starts to search for 3G cells.

If this parameter is set to 10 and if the signal level of the serving cell is higher than 10, the MS starts to search for 3G cells.

0: -98 dBm

1: -94 dBm

...

6: -74 dBm

7: (always)

8: -78 dBm

9: -74 dBm

...

14: -54 dBm

15: infinity (never).

Default value:None

3GSEARCH 3G Search PRIO

Meaning:3G Search PRIO

Value range:NO(NO),YES(YES)

Explanation: This parameter specifies whether the MS is allowed to search for a 3G cell when the BSIC must be decoded.

Default value:None

INVALBSICEN Invalid BSIC reporting

Meaning:Invalid BSIC reporting

Value range:NO(NO),YES(YES)

Explanation: This parameter specifies whether the EMR can contain the information about a cell with an invalid BSIC.

Default value:None

SCALEORDER SCALE_ORDER

Meaning:SCALE_ORDER

Value range:ADD0dB(+0dB),ADD10dB(+10dB),Automatic(Automatic)

Explanation: This parameter indicates that when the MS reports the EMR, it adds the value of this parameter to the received signal level, and then converts the result into the RXLEV value. For details, see GSM Rec. 05.08.

If the SCALE_Order reported by the MS is 10 dBm, level values 0-63 map with -100 dBm to -37 dBm.

If the SCALE_Order reported by the MS is 0 dBm, level values 0-63 map with -110 dBm to -47 dBm.

If the SCALE_Order reported by the MS is Automatic, the MS chooses the least SCALE while ensuring that the MS can report the most strong level.

Default value:None

QSEARCHC Qsearch C

Meaning:Qsearch C

Value range:0~15

Explanation: This parameter specifies the level threshold for cell reselection in connection mode.

In connection mode, if the signal level in the serving cell is below [0, 7] or above [8, 15], the MS starts to search for 3G cells.

For example:

If this parameter is set to 5 and if the signal level of the serving cell is lower than 5, the MS starts to search for 3G cells.

If this parameter is set to 10 and if the signal level of the serving cell is higher than 10, the MS starts to search for 3G cells.

0: -98 dBm

1: -94 dBm

...

6: -74 dBm

7: (always)

8: -78 dBm

9: -74 dBm

...

14: -54 dBm

15: infinity (never).

Default value:None

CELL900OFF 900 reporting offset

Meaning:900 reporting offset

Value range:0~7

Explanation: This parameter specifies the signal level offset of a GSM900 cell.

When the priority of a GSM900 cell is sequenced on the basis of its frequency band, the value of this parameter should be added to the receive level in the measurement report.

0: 0 dB

1: 6 dB

...

7: 42 dB.

Default value:None

CELL900THRED 900 reporting threshold

Meaning:900 reporting threshold

Value range:0~7

Explanation: This parameter specifies the threshold for determining whether the MR about a GSM900 cell is valid.

When the receive level of the GSM900 cell in the measurement report is greater than the value of this parameter, the measurement report is valid. After the measurement report is filtered, the cell joins in the cell priority rank.

0: 0 dB

1: 6 dB

...

6: 36 dB

7: infinity.

Default value:None

CELL1800OFF 1800 reporting offset

Meaning:1800 reporting offset

Value range:0~7

Explanation: This parameter specifies the signal level offset of a DCS1800 cell.

When sequencing the priority of a DCS1800 cell based on its frequency band, the value of this parameter should be added to the receive level in the measurement report.

0: 0 dB

1: 6 dB

...

7: 42 dB.

Default value:None

CELL1800THRED 1800 reporting threshold

Meaning:1800 reporting threshold

Value range:0~7

Explanation: This parameter specifies the threshold for determining whether the MR about a DCS1800 cell is valid.

If the receive level of the 1800 MHz cell in the measurement report is greater than the value of this parameter, the measurement report is valid. After the measurement report is filtered, the cell joins in the cell priority sequence.

0: 0 dB

1: 6 dB

...

6: 36 dB

7: infinity.

Default value:None

FDDCELLOFF FDD reporting offset

Meaning:FDD reporting offset

Value range:0~7

Explanation: This parameter specifies the signal level offset of an FDD cell.

When the priority of a 3G cell is sequenced, it is recommended that the value of this parameter be added to the receive level of the 3G cell in the measurement report.

0: 0 dB

1: 6 dB

...

7: 42 dB.

Default value:None

FDDCELLTHRED FDD reporting threshold

Meaning:FDD reporting threshold

Value range:0~7

Explanation: This parameter specifies the threshold for determining whether the MR about an FDD cell is valid.

If the receive level of the 3G cell in the measurement report is greater than the value of this parameter, the measurement report is valid.

After the valid measurement report is filtered, the 3G cell joins in the cell priority sequence.

0: 0 dB

1: 6 dB

...

6: 36 dB

7: infinity.

Default value:None

TDDCELLRESELDIV TDD cell reselect diversity[db]

Meaning:TDD cell reselect diversity[db]

Value range:0~15

Explanation:A TDD cell can become a candidate cell only when the average receive level of the TDD cell is greater than the TDD Cell Reselect Diversity of the serving cell.

0: negative infinity (always select a cell if acceptable)

1: -28 dB

2: -24 dB

...

15: 28 dB.

Default value:None

BESTTDDCELLNUM Best tdd cell number

Meaning:Best tdd cell number

Value range:0~3

Explanation:This parameter specifies the number of UTRAN TDD cells that should be contained in the best cell list or in the measurement report.

Default value:None

TDDCELLOFF TDD reporting offset

Meaning:TDD reporting offset

Value range:0~7

Explanation:This parameter specifies the signal level offset of a TDD cell.

Add the value of this parameter to the receive level of the TDD cell in the measurement report, and then sequence the TDD cells.

0: 0 dB

1: 6 dB

...

7: 42 dB.

Default value:None

TDDCELLTHRED TDD reporting threshold

Meaning:TDD reporting threshold

Value range:0~7

Explanation:This parameter specifies the threshold for determining whether the MR about a TDD cell is valid.

The measurement report is valid if the receive level of the TDD cell in the measurement report is greater than the value of this parameter.

After the valid measurement report is filtered, the TDD cell joins in the cell prioritization.

0: 0 dB

1: 6 dB

...

6: 36 dB

7: infinity.

Default value:None

TDDSIOPTIMIZEDALLOWED TDD System Information Optimized Allowed

Meaning:TDD System Information Optimized Allowed

Value range:NO(NO),YES(YES)

Explanation: This parameter specifies whether to optimize the system information 2Quater and MI of the TDD neighboring cell. That is, to add an FDD neighboring cell information before the TDD neighboring cell information to solve the compatibility problem of some dual-mode MSs.

Default value:None

TDDMIPROHIBIT TDD MI System Information Broadcasting Prohibit

Meaning:TDD MI System Information Broadcasting Prohibit

Value range:NO(NO),YES(YES)

Explanation: This parameter specifies whether to send the system information MI which contains the 3G neighboring cell information in the TDD neighboring cell. The value YES(YES) indicates that the MI is sent, and the value NO(NO) indicates that the MI is not sent.

Default value:None

Example

Modify the call control parameters related to UTRAN system messages of a cell (Index Type = BYIDX(By Index); Cell Index = 0):
MOD CELLCCUTRANSYS: IDXTYPE=BYIDX, CELLIDX=0, MSCVER=R99_or_above, MEASURETYPE=EnhMeasReport, GSMFREQCNUM=2, QI=10, QCI=Always, FDDQOFF=10, FDDREP=EcN0, FDDFREQCNUM=2, FDDQMIN=4, QP=14, 3GSEARCH=YES, INVALBSICEN=YES, SCALEORDER=ADD10dB, QSEARCHC=10;
Related reference
Add BTS(ADD BTS)
Add Cell(ADD CELL)

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