11.2.3a Packet Cell Change Notification

3GPP44.060General Packet Radio Service (GPRS)Mobile Station (MS) - Base Station System (BSS) interfaceRadio Link Control / Medium Access Control (RLC/MAC) protocolRelease 17TS

This message is sent on the PACCH by the mobile station to the network to inform the network that the cell re-selection criteria are now fulfilled and that the mobile station has entered CCN mode or that the criteria specified in sub-clause 5.6.3.9 have been met in respect of a CSG or detected hybrid cell.

Message type: PACKET CELL CHANGE NOTIFICATION

Direction: mobile station to network

Table 11.2.3a.1: PACKET CELL CHANGE NOTIFICATION message content

< Packet Cell Change Notification message content > ::=

< Global TFI : < Global TFI IE > >

{ 0 < ARFCN : bit (10) >

< BSIC : bit (6) >

| 10 — Extension in Rel-6 and an escape bit for future extensions of the message added:

< 3G Target Cell : < 3G Target Cell Struct >> } — Re-selection with a 3G cell as the preferred target cell

| 110 — Extension in Rel-8 for E-UTRAN and an escape bit for future extensions of the message

{ 0 | 1 < ARFCN : bit (10) >

< BSIC : bit (6) > }

{ 0 | 1 < 3G Target Cell : < 3G Target Cell Struct >> }

{ 0 | 1 < E-UTRAN Target Cell : < E-UTRAN Target Cell Struct >> }

{ 0 | 1 < E-UTRAN CCN Measurement Report : < E-UTRAN CCN Measurement Report struct > > }

| 1110 — Extension in Rel-9 for CSG target cells and an escape bit for future extensions of the message

{ 0

< UTRAN CSG Target Cell Measurement Report : < UTRAN CSG Measurement Report IE > >

| 1

< E-UTRAN CSG Target Cell Measurement Report : < E-UTRAN CSG Measurement Report IE > > }

{ 0 | 1 < E-UTRAN CCN Measurement Report : < E-UTRAN CCN Measurement Report struct > > }

! < Message escape : { 1111 } bit (*) = <no string> > }

{ 0< BA_USED : bit > | 1 < PSI3_CHANGE_MARK : bit(2) > }

< PMO_USED : bit >

< PCCN_SENDING : bit (1) >

< CCN Measurement Report : < CCN Measurement Report struct > >

{ null | 0 bit** = < no string > — Receiver compatible with earlier release

| 1 — Addition in Rel-6

{ 0 | 1 < 3G_BA_USED : bit > }

< 3G CCN Measurement Report : < 3G CCN Measurement Report struct > >

{ null | 0 bit ** = < no string > — Receiver compatible with earlier release

| 1 — Additions in Rel-10

< CSG Discriminator : bit (1) >

{ null | 0 bit ** = < no string > — Receiver compatible with earlier release

| 1 — Additions in Rel-11

{ 0 | 1 < E-UTRAN Target Cell with extended EARFCN :

< E-UTRAN Target Cell with extended EARFCN struct >> }

{ null | 0 bit ** = < no string > — Receiver compatible with earlier release

| 1 — Additions in Rel-12

{ 0 | 1 < Downlink_eTFI : bit (3) > }

< padding bits > } } } };

< CCN Measurement Report struct > ::=

< RXLEV_SERVING_CELL : bit (6) >

0 — The value ‘1’ was allocated in an earlier version of the protocol and shall not be used.

< NUMBER_OF_NC_MEASUREMENTS : bit (3) >

{ < FREQUENCY_N : bit (6) >

{ 0 | 1 < BSIC_N : bit (6) > }

< RXLEV_N : bit (6) > } * (val(NUMBER_OF_NC_MEASUREMENTS)) ;

< 3G Target Cell Struct > ::=

{ 0 | 1 < FDD-ARFCN : bit (14) > — 3G UTRAN FDD

{ 0 | 1 < Bandwidth_FDD : bit (3) > }

< SCRAMBLING_CODE : bit (9) > }

{ 0 | 1 < TDD-ARFCN : bit (14) > — 3G UTRAN TDD

{ 0 | 1 < Bandwidth_TDD : bit (3) > }

< Cell Parameter : bit (7) >

< Sync Case : bit > }

< REPORTING_QUANTITY : bit (6) > ; — Measurement Report for 3G target cell

< 3G CCN Measurement Report Struct > ::= — Measurement Report for 3G neighbour cells

< N_3G: bit (3) >

{ < 3G_CELL_LIST_INDEX : bit (7) >

< REPORTING_QUANTITY : bit (6) > } * (val(N_3G + 1 )) ;

< E-UTRAN Target Cell struct > ::=

< EARFCN : bit (16) >

{ 0 | 1 < Measurement Bandwidth: bit (3) > }

< Physical Layer Cell Identity : bit (9) >

< REPORTING_QUANTITY : bit (6) > ; — Measurement Report for E-UTRAN target cell

< E-UTRAN CCN Measurement Report struct > ::= — Measurement Report for E-UTRAN neighbour cells

< 3G_BA_USED : bit >

< N_E-UTRAN: bit (2) >

{ < E-UTRAN_FREQUENCY_INDEX : bit (3) >

< CELL IDENTITY : bit (9) >

< REPORTING_QUANTITY : bit (6) > } * (val(N_E-UTRAN + 1 )) ;

< E-UTRAN Target Cell with extended EARFCN struct > ::=

< EARFCN_extended : bit (18) >

{ 0 | 1 < Measurement Bandwidth: bit (3) > }

< Physical Layer Cell Identity : bit (9) >

< REPORTING_QUANTITY : bit (6) > ; — Measurement Report for E-UTRAN target cell

Table 11.2.3a.2: PACKET CELL CHANGE NOTIFICATION information element details

Global TFI
This information element contains the TFI of the mobile station’s downlink TBF or uplink TBF. This field is defined in sub-clause 12.10.

ARFCN (10 bit field)
This field contains the BCCH frequency of the proposed cell for re-selection. This field is encoded as the ARFCN defined in 3GPP TS 44.018.
Range 0 to 1023

BSIC (6 bit field)
This field contains the BSIC of the proposed cell for re-selection. This field is encoded as the BSIC value defined in 3GPP TS 44.018.
Range 0 to 63

BA_USED (1 bit field)

3G_BA_USED (1 bit field)

PSI3_CHANGE_MARK (2 bit field)

These fields shall be included and contain the value of the BA_IND, 3G_BA_IND and PSI3_CHANGE_MARK respectively in the messages defining the used GSM Neighbour Cell list.

In case PBCCH exists, PSI3_CHANGE_MARK shall be used.
In case PBCCH does not exist, BA_USED and 3G_BA_USED shall be used.

PMO_USED (1 bit field)
This parameter shall contain the value of the PMO_IND in the PACKET CELL CHANGE ORDER or PACKET MEASUREMENT ORDER messages that has modified the used GSM Neighbour Cell list. If no such message has been received, PMO_USED shall be set to zero.

CCN Measurement Report struct

This struct is identical to the NC Measurement Report struct specified in the PACKET MEASUREMENT REPORT message with the exception that the NC_MODE parameter is not part of the struct.

PCCN SENDING (1 bit field)

0 This is the first sending of the Packet Cell Change Notification message;

1 This is the second sending of the Packet Cell Change Notification message.

This field is used by the network to know whether the mobile station has just started T3208 or whether the reception of this message was triggered by T3210 expiry.

3G Target Cell struct
For information regarding the REPORTING QUANTITY see below. Regarding the other parameters see sub-clause 11.2.4 -PACKET CELL CHANGE ORDER message.

3G CCN Measurement Report struct
Measurement reporting for 3G Cells is defined in 3GPP TS 45.008. Should no 3G Cell be available for reporting, N_3G shall be set to 0 and the 3G_CELL_LIST_INDEX shall be set to 127 whenever this 3G CCN Measurement Report struct is included in the message.

3G_CELL_LIST_INDEX (7 bit field)
This is the index of the i’th reported 3G neighbour cell in the 3G Neighbour Cell List. See sub-clause 5.6.3.1.

REPORTING_QUANTITY (6 bit field)
This is the reporting quantity for the serving and for the i’th reported 3G cell. The quantities are defined in 3GPP TS 45.008 for the respective Radio Access Technology

E-UTRAN Target Cell struct
For information regarding the REPORTING QUANTITY see below. Regarding the other parameters see sub-clause 12.49. If the conditions for sending the E-UTRAN Target cell with extended EARFCN structure are met (see definition of E-UTRAN Target Cell with extended EARFCN below) then this structure shall not be included.

E-UTRAN CCN Measurement Report struct
Measurement reporting for E-UTRAN Cells is defined in 3GPP TS 45.008.

3G_BA_USED (1 bit field)
N_E-UTRAN (2 bit field)
E-UTRAN_FREQUENCY_INDEX (3 bit field)
CELL IDENTITY (9 bit field)
These fields are described in sub-clause 11.2.9.

REPORTING_QUANTITY (6 bit field)
This is the reporting quantity for the E-UTRAN neighbour cell. The quantities are defined in 3GPP TS 45.008 for the respective Radio Access Technology.

UTRAN CSG Target Cell Measurement Report
Measurement reporting for UTRAN CSG cells is defined in 3GPP TS 45.008. This information element contains the measurement results and routing parameters for one UTRAN CSG or hybrid target cell. It is encoded as the UTRAN CSG Measurement Report IE defined in sub-clause 12.61.

E-UTRAN CSG Target Cell Measurement Report
Measurement reporting for E-UTRAN CSG cells is defined in 3GPP TS 45.008. This information element contains the measurement results and routing parameters for one E-UTRAN CSG or hybrid target cell. It is encoded as the E-UTRAN CSG Measurement Report IE defined in sub-clause 12.60.

CSG Discriminator (1 bit field)
This field is defined in sub-clause 5.6.3.9. It shall be included if the message includes a report for a CSG cell as specified in sub-clause 5.6.3.9, otherwise, it shall be omitted.

DOWNLINK_eTFI (3 bit field)
See sub-clause 11.2.48

E-UTRAN Target Cell with extended EARFCN struct
This structure shall only be included if both the mobile station and the network supports extended EARFCNs (see 3GPP TS 24.008); in such a case the E-UTRAN Target Cell structure shall not be included in the message.

For information regarding the REPORTING QUANTITY field see above. For a description of the remaining fields included within this struct, see sub-clause 12.49 and 12.70.