This post will tell you about Parameter setting related Cell re-selection from 2G to 4G LTE in Huawei Network. If you have new 4G network in your project and Inter working system 2G to 4G will be set properly, this post will be useful for you.Here are important parameter that need to be set regarding 2G to 4G Cell reselection in Huawei Network.
-LTECELLRESELEN = YES(Enable Cell reselection GSM to LTE)
-GERANPRI =1(Cell reselection Priority LTE>UMTS>GSM)
-UTRANPRI =3(Cell reselection Priority LTE>UMTS>GSM)
-EUTRANPRI=6(Cell reselection Priority LTE>UMTS>GSM)
-THRUTRANHIGH=5
-UTRANQRXLEVMIN=2
-THREUTRANHIGH=9
-EUTRANQRXLEVMIN=6 (Minimum RSRP to camp on LTE)
-THREUTRANLOW=9
-QPEUTRAN=15
Description of all above parameter can be listed as below :
-LTECELLRESELEN:Whether to allow cell reselection from GSM to LTE cells. When this parameter is set to YES, cell reselection from GSM to LTE cells is allowed.
-GERANPRI:Common priority of GERAN. Value 0 indicates the lowest priority, and value 7 indicates the highest priority.
-UTRANPRI:Public priority of a neighboring UTRAN cell configured for an operator. Value 0 represents the lowest priority, value 7 represents the highest priority, and value 255 is invalid. This parameter corresponds to the DEFAULT_UTRAN_PRIORITY IE in SI23 in 3GPP TS 44.018.
The parameter value complies with the following rules:
1. If this parameter is set to a value other than 255, the parameter value is used.
2. If this parameter is set to 255, the value of [GCELLPRIEUTRANSYS:UTRANPRI] for the cell is used.
-EUTRANPRI:Public priority of a neighboring EUTRAN cell configured for an operator. Value 0 represents the lowest priority, value 7 represents the highest priority, and value 255 is invalid. This parameter corresponds to the DEFAULT_E-UTRAN_PRIORITY IE in SI23 in 3GPP TS 44.018.
The parameter value complies with the following rules:
1. If this parameter is set to a value other than 255, the parameter value is used.
2. If this parameter is set to 255, the value of [GCELLPRIEUTRANSYS:EUTRANPRI] for the cell is used.
-THRUTRANHIGH:High threshold of a neighboring UTRAN cell configured for an operator. When the measured RSCP/EcNo values of one or multiple neighboring UTRAN cells are higher than the threshold, UEs are allowed to reselect a neighboring UTRAN cell with a priority higher than that of a GERAN cell. This parameter corresponds to the THRESH_UTRAN_high IE in SI23 in 3GPP TS 44.018.
The mapping of parameter values onto actual values is:
0 = 0 dB,
1 = 2 dB,
2 = 4 dB,
3 = 6 dB,
...,
30 = 60 dB,
31 = 62 dB,
255 = invalid.
The parameter value complies with the following rules:
1. If this parameter is set to a value other than 255, the parameter value is used.
2. If this parameter is set to 255, the value of [GCELLPRIEUTRANSYS:THRUTRANHIGH] for the cell is used.
-UTRANQRXLEVMIN:Used to calculate the RSCP threshold for the target cell when a priority-based decision to perform GSM to UTRAN cell reselection is made.
The values of this parameter correspond to the following decibel values:
0: -119 dBm,
1: -117 dBm,
2: -115 dBm,
...,
30: -59 dBm,
31: -57 dBm.
-THREUTRANHIGH:High threshold of a neighboring EUTRAN cell configured for an operator. When the measured RSRP values of one or multiple neighboring EUTRAN cells are higher than the threshold, UEs are allowed to reselect a neighboring UTRAN cell with a priority higher than that of a GERAN cell. This parameter corresponds to the THRESH_E-UTRAN_high IE in SI23 in 3GPP TS 44.018.
The mapping of parameter values onto actual values is:
0 = 0 dB,
1 = 2 dB,
2 = 4 dB,
3 = 6 dB,
...,
30 = 60 dB,
31 = 62 dB,
255 = invalid.
The parameter value complies with the following rules:
1. If this parameter is set to a value other than 255, the parameter value is used.
2. If this parameter is set to 255, the value of [GCELLPRIEUTRANSYS:THREUTRANHIGH] for the cell is used.
-EUTRANQRXLEVMIN:Used to calculate the RSRP threshold for the target cell when a priority-based decision to perform GSM to EUTRAN cell reselection is made.
The values of this parameter correspond to the following decibel values:
0: -140 dBm,
1: -138 dBm,
2: -136 dBm,
...,
30: -80 dBm,
31: -78 dBm.
-THREUTRANLOW:Low threshold of a neighboring EUTRAN cell configured for an operator. A UE can reselect a neighboring EUTRAN cell that has a lower priority than the GERAN cell if the receive levels of the serving cell and all neighboring GSM cells are lower than the threshold specified byTHRGSMLOW and the
measured RSRP values of one or multiple neighboring EUTRAN cells are higher than
the threshold. This parameter corresponds to the THRESH_E-UTRAN_low IE in SI23
in 3GPP TS 44.018.
The mapping of parameter values onto actual values is:
0 = 0 dB,
1 = 2 dB,
2 = 4 dB,
3 = 6 dB,
...,
30 = 60 dB,
31 = 62 dB,
255 = invalid.
The parameter value complies with the following rules:
1. If this parameter is set to a value other than 255, the parameter value is used.
2. If this parameter is set to 255, the value of [GCELLMOCNINTERRESEL:ThrEUTRANLow] is used. If the value of [GCELLMOCNINTERRESEL:ThrEUTRANLow] is 255, the value of [GCELLPRIEUTRANSYS:THREUTRANLOW] for the cell is used.
-QPEUTRAN:Threshold of signal level at which a mobile station starts to search for the target EUTRAN cell during cell reselection. In packet mode, if this parameter is set to a value lower than 7, the mobile station starts to search for an EUTRAN cell when the signal level of the serving cell is lower than the corresponding level threshold. If this parameter is set to a value higher than 7, the mobile station starts to search for an EUTRAN cell when the signal level of the serving cell is higher than the corresponding level threshold.
The values of this parameter correspond to the following decibel values:
0= -98dBm,
1= -94dBm,
2= -90dBm,
...,
7= (always), that is, the MS always searches for neighboring cells in EUTRAN.
8= -78dBm,
9= -74dBm,
10= -70dBm,
...,
14= -54dBm,
15= (never), that is, the MS never searches for neighboring cells in EUTRAN.
-LTECELLRESELEN = YES(Enable Cell reselection GSM to LTE)
-GERANPRI =1(Cell reselection Priority LTE>UMTS>GSM)
-UTRANPRI =3(Cell reselection Priority LTE>UMTS>GSM)
-EUTRANPRI=6(Cell reselection Priority LTE>UMTS>GSM)
-THRUTRANHIGH=5
-UTRANQRXLEVMIN=2
-THREUTRANHIGH=9
-EUTRANQRXLEVMIN=6 (Minimum RSRP to camp on LTE)
-THREUTRANLOW=9
-QPEUTRAN=15
Description of all above parameter can be listed as below :
-LTECELLRESELEN:Whether to allow cell reselection from GSM to LTE cells. When this parameter is set to YES, cell reselection from GSM to LTE cells is allowed.
-GERANPRI:Common priority of GERAN. Value 0 indicates the lowest priority, and value 7 indicates the highest priority.
-UTRANPRI:Public priority of a neighboring UTRAN cell configured for an operator. Value 0 represents the lowest priority, value 7 represents the highest priority, and value 255 is invalid. This parameter corresponds to the DEFAULT_UTRAN_PRIORITY IE in SI23 in 3GPP TS 44.018.
The parameter value complies with the following rules:
1. If this parameter is set to a value other than 255, the parameter value is used.
2. If this parameter is set to 255, the value of [GCELLPRIEUTRANSYS:UTRANPRI] for the cell is used.
-EUTRANPRI:Public priority of a neighboring EUTRAN cell configured for an operator. Value 0 represents the lowest priority, value 7 represents the highest priority, and value 255 is invalid. This parameter corresponds to the DEFAULT_E-UTRAN_PRIORITY IE in SI23 in 3GPP TS 44.018.
The parameter value complies with the following rules:
1. If this parameter is set to a value other than 255, the parameter value is used.
2. If this parameter is set to 255, the value of [GCELLPRIEUTRANSYS:EUTRANPRI] for the cell is used.
-THRUTRANHIGH:High threshold of a neighboring UTRAN cell configured for an operator. When the measured RSCP/EcNo values of one or multiple neighboring UTRAN cells are higher than the threshold, UEs are allowed to reselect a neighboring UTRAN cell with a priority higher than that of a GERAN cell. This parameter corresponds to the THRESH_UTRAN_high IE in SI23 in 3GPP TS 44.018.
The mapping of parameter values onto actual values is:
0 = 0 dB,
1 = 2 dB,
2 = 4 dB,
3 = 6 dB,
...,
30 = 60 dB,
31 = 62 dB,
255 = invalid.
The parameter value complies with the following rules:
1. If this parameter is set to a value other than 255, the parameter value is used.
2. If this parameter is set to 255, the value of [GCELLPRIEUTRANSYS:THRUTRANHIGH] for the cell is used.
-UTRANQRXLEVMIN:Used to calculate the RSCP threshold for the target cell when a priority-based decision to perform GSM to UTRAN cell reselection is made.
The values of this parameter correspond to the following decibel values:
0: -119 dBm,
1: -117 dBm,
2: -115 dBm,
...,
30: -59 dBm,
31: -57 dBm.
-THREUTRANHIGH:High threshold of a neighboring EUTRAN cell configured for an operator. When the measured RSRP values of one or multiple neighboring EUTRAN cells are higher than the threshold, UEs are allowed to reselect a neighboring UTRAN cell with a priority higher than that of a GERAN cell. This parameter corresponds to the THRESH_E-UTRAN_high IE in SI23 in 3GPP TS 44.018.
The mapping of parameter values onto actual values is:
0 = 0 dB,
1 = 2 dB,
2 = 4 dB,
3 = 6 dB,
...,
30 = 60 dB,
31 = 62 dB,
255 = invalid.
The parameter value complies with the following rules:
1. If this parameter is set to a value other than 255, the parameter value is used.
2. If this parameter is set to 255, the value of [GCELLPRIEUTRANSYS:THREUTRANHIGH] for the cell is used.
-EUTRANQRXLEVMIN:Used to calculate the RSRP threshold for the target cell when a priority-based decision to perform GSM to EUTRAN cell reselection is made.
The values of this parameter correspond to the following decibel values:
0: -140 dBm,
1: -138 dBm,
2: -136 dBm,
...,
30: -80 dBm,
31: -78 dBm.
-THREUTRANLOW:Low threshold of a neighboring EUTRAN cell configured for an operator. A UE can reselect a neighboring EUTRAN cell that has a lower priority than the GERAN cell if the receive levels of the serving cell and all neighboring GSM cells are lower than the threshold specified by
The mapping of parameter values onto actual values is:
0 = 0 dB,
1 = 2 dB,
2 = 4 dB,
3 = 6 dB,
...,
30 = 60 dB,
31 = 62 dB,
255 = invalid.
The parameter value complies with the following rules:
1. If this parameter is set to a value other than 255, the parameter value is used.
2. If this parameter is set to 255, the value of [GCELLMOCNINTERRESEL:ThrEUTRANLow] is used. If the value of [GCELLMOCNINTERRESEL:ThrEUTRANLow] is 255, the value of [GCELLPRIEUTRANSYS:THREUTRANLOW] for the cell is used.
-QPEUTRAN:Threshold of signal level at which a mobile station starts to search for the target EUTRAN cell during cell reselection. In packet mode, if this parameter is set to a value lower than 7, the mobile station starts to search for an EUTRAN cell when the signal level of the serving cell is lower than the corresponding level threshold. If this parameter is set to a value higher than 7, the mobile station starts to search for an EUTRAN cell when the signal level of the serving cell is higher than the corresponding level threshold.
The values of this parameter correspond to the following decibel values:
0= -98dBm,
1= -94dBm,
2= -90dBm,
...,
7= (always), that is, the MS always searches for neighboring cells in EUTRAN.
8= -78dBm,
9= -74dBm,
10= -70dBm,
...,
14= -54dBm,
15= (never), that is, the MS never searches for neighboring cells in EUTRAN.
Those parameter are important parameter that need to be set in your network in order to enable cell re-selection 2G to 4G(LTE) in Huawei Network.Those parameter also need License, so be careful and check license first before implemented.
You might also need to know:
Helpfull content.
ReplyDeleteKeep it up.
How could someone subscribe to your posts ?
Http://wirelesscellularnetwork.blogspot.com
Best blog in I read this نقل اثاث الشارقة
ReplyDelete