Activating and configuring LTE1788: Automatic Access Class Barring

Before you start

Table 7 presents the parameters used for activating and configuring the LTE1788: Automatic Access Class Barring feature.

Table 65 Parameters used for activating and configuring LTE1788: Automatic Access Class Barring

Parameter Purpose Requires eNB restart or

object locking Activation of Automatic AC Barring (actAutoAcBarring) activation flag no Automatic AC Barring start timer (autoAcBarringStart Timer) mandatory configuration no Automatic AC Barring stop timer (autoACBarringStopT imer) mandatory configuration no

AC barred for emergency calls

OVL (eCallAcBarredOvl)

optional configuration no

AC barring for signaling OVL (acBarSigOvl)

optional configuration no

AC barring time for signaling OVL (sigAcBarTimeOvl) mandatory configuration no AC probability factor for signaling OVL (sigAcProbFacOvl) mandatory configuration no AC barring for originating calls OVL (acBarOcOvl) optional configuration no

Table 65 Parameters used for activating and configuring LTE1788: Automatic Access Class Barring (Cont.)

Parameter Purpose Requires eNB restart or

object locking

AC barring time for originating calls OV (ocAcBarTimeOvl)

mandatory configuration no

AC probability factor for originating calls OVL(ocAcProbFacOvl)

mandatory configuration no

AC barring for MMTEL voice originating calls OVL (acBarMMTelVoiceOcOvl)

optional configuration no

AC barring time OVL (acBarTimeOvl)

g

Note: This parameter refers to the AC barring for MMTEL voice originating calls OVL structure. mandatory configuration no AC probability factor OVL (probFacOvl)

g

Note: This parameter refers to the AC barring for MMTEL voice

originating calls OVL structure.

mandatory configuration no

AC barring for MMTEL video originating calls OVL (acBarMMTelVideoOcOvl)

optional configuration no

AC barring time OVL (acBarTimeOvl)

g

Note: This parameter refers to the AC barring for MMTEL video originating calls OVL structure. mandatory configuration no AC probability factor OVL (probFacOvl)

g

Note: This parameter refers to the AC barring for MMTEL video

originating calls OVL structure.

mandatory configuration no

AC barring for mobile originating CS fallback OVL (acBarCsfbOcOvl) optional configuration no AC barring time OVL (acBarTimeOvl) mandatory configuration no

Table 65 Parameters used for activating and configuring LTE1788: Automatic Access Class Barring (Cont.)

Parameter Purpose Requires eNB restart or

object locking

g

Note: This parameter refers

to the AC barring for mobile originating CS fallback OVL structure. AC probability factor OVL (probFacOvl)

g

Note: This parameter refers to the AC barring for mobile originating CS fallback OVL

structure.

mandatory configuration no

AC Barring for CDMA2000 1xRTT OVL (rttAcBarOvl)

g

Note: When this parameter is configured, it's (following) structure parameters' configuration is mandatory, optional configuration no

AC barring factor for overload classes 0 to 9 OVL (acBarring0To9Ovl)

mandatory configuration no

AC barring Factor for emergency

OVL (acBarringEmgOvl)

optional configuration no

AC barring factor for overload class 10 OVL (acBarring10Ovl)

optional configuration no

AC barring factor for overload class 11 OVL (acBarring11Ovl)

optional configuration no

AC barring factor for overload class 12 OVL (acBarring12Ovl)

optional configuration no

AC barring factor for overload class 13 OVL (acBarring13Ovl)

optional configuration no

AC barring factor for overload class 14 OVL (acBarring14vl)

optional configuration no

AC barring factor for overload class 15 OVL (acBarring15Ovl)

optional configuration no

AC barring modification factor for message OVL (acBarringMsgOvl)

Table 65 Parameters used for activating and configuring LTE1788: Automatic Access Class Barring (Cont.)

Parameter Purpose Requires eNB restart or

object locking

AC barring modification factor for registration OVL (acBarringRegOvl) optional configuration no The LTE1047: Control Plane Overload Handling feature needs to be activated/configured before the activation of the LTE1788: Automatic Access Class Barring feature. Before activation of the LTE1788: Automatic Access Class Barring feature, ensure that the static access class barring parameters are configured according to your expectations. Ensure that the overload AC barring parameters are well coordinated with static AC barring parameters Procedure To activate the feature, do the following:

1 Follow the general procedure described in section Activating and deactivating

LTE features using BTS Site Manager.

In Step 3 (Modify the feature-specific eNB configuration settings) of the general procedure perform the steps described in this procedure.

2 Activate the LTE1788: Automatic Access Class Barring feature.

a) Go to the Radio Network Configutration page. b) Expand the MRBTS object.

c) Select the LNBTS object.

d) Set the Activation of Automatic AC Barring (actAutoAcBarring) LNBTS parameter's value to true.

3 Configure the timer after which eNB starts automatic AC barring (optional).

a) Expand the LNBTS object. b) Select the LNCEL object.

c) Set the Automatic AC Barring start

timer (autoAcBarringStartTimer) parameter to a needed value. The default value is 300 s.

4 Configure the timer after which eNB stops automatic AC barring (optional).

a) Select the LNCEL object.

b) Set the Automatic AC Barring stop

The default value is 3600 s.

5 Indicate if access is barred for emergency calls in this cell when automatic AC barring broadcast condition is met due to an eNB C-plane overload.

a) Select the LNCEL object.

b) Set the AC barred for emergency calls OVL (eCallAcBarredOvl) LNCEL parameter's value to barred or Not barred.

g

Note: For the feature to function properly, at least one of the parameters defined in the following steps must be configured.

The parameters are defined for each cell separately.

6 Configure access barring for signaling OVL.

a) Select the LNCEL object.

b) If required, right-click the LNCEL object and select New ► AC barring for signaling OVL (acBarSigOvl).

c) Expand the created AC barring for signaling OVL object. d) Select AC barring for signaling OVL-1.

e) Configure at least the following parameters:

• AC barring time for signaling OVL (sigAcBarTimeOvl) The parameter defines the access class barring time when the automatic AC barring broadcast condition is met due to an eNB C-plane overload.

• AC probability factor for signaling OVL (sigAcProbFacOvl)

The parameter defines the probability of a UE establishing an RRC

connection when the automatic AC barring broadcast condition is met due to an eNB C-plane overload.

f) Optionally, configure access class barring for special access classes from AC11 to AC15 by setting a value to true or false.

7 Configure access class barring for originating calls OVL.

a) Select the LNCEL object.

b) If required, right-click the LNCEL object and select New ► AC barring for originating calls OVL (acBarOcOvl).

c) Expand the created AC barring for originating calls OVL object. d) Select AC barring for originating calls OVL- 1.

e) Configure at least the following parameters:

• AC barring time for originating calls OV (ocAcBarTimeOvl)

The parameter defines the access class barring time when the automatic AC barring broadcast condition is met due to an eNB C-plane overload.

• AC probability factor for originating calls OVL (ocAcProbFacOvl)

The parameter defines the probability of a UE establishing an RRC

connection when the automatic AC barring broadcast condition is met due to an eNB C-plane overload.

f) Optionally, configure access class barring for special access classes from AC11 to AC15 by setting a value to true or false.

8 Configure access class barring for MMTEL voice originating calls OVL.

g

Note: To be able to configure access class barring for MMTEL voice originating calls, the LTE10: EPS Bearers for Conversational Voice feature must be enabled first. a) Select the LNCEL object.

b) If required, right-click the LNCEL object and select New ► AC barring for MMTEL voice originating calls OVL (acBarMMTelVoiceOcOvl).

c) Expand the created AC barring for MMTEL voice originating calls OVL object. d) Select AC barring for MMTEL voice originating calls OVL-1.

e) Configure at least the following parameters: • AC barring time OVL (acBarTimeOvl)

The parameter defines the access class barring time when the automatic AC barring broadcast condition is met due to an eNB C-plane overload.

• AC probability factor OVL (probFacOvl)

The parameter defines the probability of a UE establishing an RRC

connection when the automatic AC barring broadcast condition is met due to an eNB C-plane overload.

f) Optionally, configure access class barring for special access classes from AC11 to AC15 by setting a value to true or false.

9 Configure access class barring for MMTEL video originating calls OVL.

g

Note: To be able to configure access class barring for MMTEL voice originating calls, the LTE10: EPS Bearers for Conversational Voice feature must be enabled first. a) Select the LNCEL object.

b) If required, right-click the LNCEL object and select New ► AC barring for MMTEL video originating calls OVL (acBarMMTelVideoOcOvl).

c) Expand the created AC barring for MMTEL video originating calls OVL object. d) Select AC barring for MMTEL video originating calls OVL-1.

e) Configure at least the following parameters: • AC barring time OVL (acBarTimeOvl)

The parameter defines the access class barring time when the automatic AC barring broadcast condition is met due to an eNB C-plane overload.

• AC probability factor OVL (probFacOvl)

The parameter defines the probability of a UE establishing an RRC

connection when the automatic AC barring broadcast condition is met due to an eNB C-plane overload.

f) Optionally, configure access class barring for special access classes from AC11 to AC15 by setting a value to true or false.

10 Configure access class barring for mobile originating CS fallback OVL.

g

Note: The CS fallback applies only to the 3GPP CSFB. For more information, see 3GPP TS36.331.

g

Note: To be able to configure access class barring for mobile-originating CS fallback, the LTE562: CSFB to UTRAN or GSM via Redirect and LTE736: CS Fallback to UTRAN must be activated. a) Select the LNCEL object.

b) If required, right-click the LNCEL object and select New ► AC barring for mobile originating CS fallback OVL (acBarCsfbOcOvl) object.

c) Expand the created AC barring for mobile originating CS fallback OVLobject. d) Select AC barring for mobile originating CS fallback OVL-1.

e) Configure at least the following parameters: • AC barring time OVL (acBarTimeOvl)

The parameter defines the access class barring time when the automatic AC barring broadcast condition is met due to an eNB C-plane overload.

• AC probability factor OVL (probFacOvl)

The parameter defines the probability of a UE establishing an RRC

connection when the automatic AC barring broadcast condition is met due to an eNB C-plane overload.

f) Optionally, configure access class barring for special access classes from AC11 to AC15 by setting a value to true or false.

11 Configure access class barring for CDMA2000 1xRTT fallback OVL. The CS fallback applies only to the CDMA2000 1xRTT fallback. For more information, see C.S0097.

g

Note: To be able to configure access class barring for CDMA2000 1xRTT fallback, the LTE1441: Enhanced CS Fallback to CDMA/1xRTT (e1xCSFB) feature must be activated. a) Select the LNCEL object. b) Right-click the LNCEL object and from a drop-down list select the CDFIM object. c) Right-click the CDFIM object.

d) From the drop-down menu select New ► AC Barring for CDMA2000 1xRTT OVL (rttAcBarOvl).

e) Expand the AC Barring for CDMA2000 1xRTT OVL object. f) Select AC Barring for CDMA2000 1xRTT OVL- 1.

g) Configure at least the following parameter:

• AC barring factor for overload classes 0 to 9 OVL (acBarring0To9Ovl)

The parameter defines the access class barring from 0 to 9 when the automatic AC barring broadcast condition is met due to an eNB C-plane overload.

h) Optionally configure the following parameters:

• AC barring Factor for emergency OVL (acBarringEmgOvl) Default value is: 0

• The parameter values from AC barring factor for overload class 10 OVL (acBarring10Ovl) to AC barring factor for overload class 15 OVL (acBarring15Ovl)

Default values are: 0

• AC barring modification factor for message OVL (acBarringMsgOvl)

Default value is: 0

• AC barring modification factor for registration OVL (acBarringRegOvl)

Default value is: 0

12 Send the parameters to the eNB according to the procedure described in section Activating and deactivating LTE features using BTS Site Manager.

Expected outcome

• The feature has been activated, and the parameter settings are persistently stored in the eNB.

• NetAct and BTS Site Manager are informed about the changed configuration (which is visible through notifications).

3.11.3 Deactivating LTE1788: Automatic Access Class Barring

In document Fdd15A Desc (Page 140-148)