EQV MODIFY GPRS PARAMETERS <option>
Function With this command you modify the GPRS parameters in the BSDATA (BSS Radio Network Configuration Database). The command is optional.
Parameters BTS identification, BTS name, SEG identification <option>, SEG name <option>: GPRS enabled, EGPRS enabled <option>, routing area code, dedicated GPRS capacity, default GPRS capacity, max GPRS capacity, prefer BCCH frequency GPRS, DL adap-tation probability threshold, UL adapadap-tation probability threshold, DL BLER crosspoint for CS selection no hop, UL BLER crosspoint for CS selection no hop, DL BLER crosspoint for CS selection hop, UL BLER crosspoint for CS selection hop, coding scheme no hop, coding scheme hop, initial MCS for acknowledged mode, initial MCS for edged mode, maximum BLER in acknowledged mode, maximum BLER in unacknowl-edged mode, mean BEP offset GMSK, mean BEP offset 8PSK, EGPRS link adaptation enabled <option>, coding schemes CS3 and CS4 enabled <option>, DL coding scheme in acknowledged mode, UL coding scheme in acknowledged mode, DL coding scheme in unacknowledged mode, UL coding scheme in unacknowledged mode, adaptive LA algorithm, extended cell GPRS/EDGE enabled <option>, extended cell location keep period <option>, DL coding scheme in ext area acknowledged mode <option>, DL coding scheme in ext area unacknowledged mode <option>, UL coding scheme in ext area acknowledged mode <option>, UL coding scheme in ext area unacknowledged mode <option>, initial MCS for ext area acknowledged mode <option>, initial MCS for ext area unacknowledged mode <option>: network service entity identifier <option>, transport type <option>, packet service entity identifier <option>, base station controller signaling unit <option>, packet control unit <option>: BTS uplink throughput factor for CS1-CS4, BTS downlink throughput factor for CS1-CS4, BTS uplink throughput factor for MCS1-MCS4, BTS uplink throughput factor for MCS1-MCS9, BTS downlink through-put factor for MCS1-MCS4, GPRS capacity throughthrough-put factor <option>, EGPRS inactiv-ity alarm weekdays <option>, EGPRS inactivinactiv-ity alarm start time <option>, EGPRS inactivity alarm end time <option>, DLDC enabled <option>: DTM enabled <option>;
Syntax
EQV : ( BTS = <BTS identification> | NAME = <BTS name> |
EQ - Base Transceiver Station Handling in BSC EQV MODIFY GPRS PARAMETERS <option> DCSEU = <DL coding scheme in ext area unacknowledged mode> <option> | UCSEA = <UL coding scheme in ext area acknowledged mode> <option> | UCSEU = <UL coding scheme in ext area unacknowledged mode> <option> | MCEA = <initial MCS for ext area acknowledged mode> <option> |
MCEU = <initial MCS for ext area unacknowledged mode> <option> ] ... :
[ NSEI = <network service entity identifier> <option> | TRAT = <transport type> <option> |
PSEI = <packet service entity identifier> <option> | BCSU = <base station controller signaling unit> <option> | PCU = <packet control unit> <option> ]|
[ TFU = <BTS uplink throughput factor for CS1-CS4> | TFD = <BTS downlink throughput factor for CS1-CS4 > | TFUM1 = <BTS uplink throughput factor for MCS1-MCS4> | TFUM = <BTS uplink throughput factor for MCS1-MCS9> | TFDM = <BTS downlink throughput factor for MCS1-MCS9>
GCTF = <GPRS capacity throughput factor> <option> | EAW = <EGPRS inactivity alarm weekdays> <option> ... | BTS = decimal number
With this parameter you identify the BTS with a decimal number. The value range depends on the BSC hardware configuration and the corresponding options.
If you give this parameter, you cannot give the parameters NAME, SEG, or SEGNAME. If you give this parameter and the segment contains more than one BTS, you can modify only BTS-specific parameters. See table BTS-specific parameters in command V in section Additional information.
BTS name
NAME = text string
With this parameter you identify the BTS by name. The name can contain 1 to 15
char-EQ - Base Transceiver Station Handling in BSC EQV MODIFY GPRS PARAMETERS <option>
BTS-specific parameters. See table BTS-specific parameters in command V in section Additional information.
SEG identification <option>
SEG = decimal number
With this parameter you identify the segment. The value range is the same as the BTS identification value range.
If you give this parameter, you cannot give the parameters BTS, NAME, or SEGNAME. If you give this parameter and the segment contains more than one BTS, you can modify only segment-specific parameters. See table SEG-specific parameters in command V in section Additional information.
SEG name <option>
SEGNAME = text string
With this parameter you identify the BTS by its name. The name can contain 1 to 15 characters.
If you give this parameter, you cannot give the parameters BTS, NAME, or SEG. If you give this parameter and the segment contains more than one BTS, you can modify only segment-specific parameters. See table SEG-specific parameters in command V in section Additional information.
GPRS enabled
With this parameter you enable or disable the GPRS capability in the cell during the normal operation of the cell.
EGPRS enabled <option>
With this parameter you enable or disable the EGPRS capability in the BTS. All GPRS-enabled (GTRX=Y) TRXs of the BTS have to be EDGE capable. This parameter can be given only to MetroSite, UltraSite, Flexi EDGE, BTSPlus, and Flexi Multiradio BTSs.
Also GPRS must be enabled in the cell (GENA=Y) in order to enable EGPRS traffic in the BTS.
PCU Object State
This parameter shows the state of PCU object in RNW database. The value is changed by system when logical PCU plug-in-unit is restarting. System modifies this parameter during PCU restart, BCSU reset/switchover or system reset.
Parameter Value Explanation
GENA = Y GPRS is enabled.
N GPRS is disabled.
Parameter Value Explanation
EGENA = Y EGPRS is enabled.
N EGPRS is disabled.
EQ - Base Transceiver Station Handling in BSC EQV MODIFY GPRS PARAMETERS <option>
routing area code RAC = decimal number
With this parameter you identify GPRS cells using the routing area code number. The values range from 0 to 255.
You can modify this parameter only when the value of the GENA parameter is N.
dedicated GPRS capacity CDED = decimal number
With this parameter you determine the share of PSW-only channels in a cell. The values range from 0 to 100%.
The value of this parameter must be lower than or equal to the value of the CDEF param-eter.
You can modify this parameter online when the value of the GENA parameter is N. If the value of the GENA parameter is Y, you must lock the BTS before modifying this param-eter.
default GPRS capacity CDEF = decimal number
With this parameter you determine the default GPRS territory size in a cell. The channels in the default GPRS territory are used primarily for packet switched traffic.
However, if the circuit switched territory becomes congested, the BSC can allocate a traffic channel in the default GPRS territory for circuit switched use.
The values range from 1 to 100%.
The value of this parameter must be higher than or equal to the value of the CDED parameter.
You can modify this parameter online when the value of the GENA parameter is N. If the value of the GENA parameter is Y, you must lock the BTS before modifying this param-eter.
max GPRS capacity CMAX = decimal number
With this parameter you define the maximum number of packet switched (PSW) channels in a BTS. The values range from 1 to 100%.
The value of this parameter must be higher than or equal to the value of the CDEF parameter.
You can modify this parameter online when the value of the GENA parameter is N. If the value of the GENA parameter is Y, you must lock the BTS before modifying this
param-Parameter Value Explanation PCU Object State 0 PCU is working.
1 PCU is restarting.
2 PCU has reset but it is under configuration.
EQ - Base Transceiver Station Handling in BSC EQV MODIFY GPRS PARAMETERS <option>
prefer BCCH frequency GPRS
With this parameter you define whether the BCCH TRX or other TRXs are preferred in GPRS channel allocation.
You can modify this parameter online when the value of the GENA parameter is N. If the value of the GENA parameter is Y, you must lock the BTS before modifying this param-eter.
DL adaptation probability threshold DLA = decimal number
With this parameter you define the allowed probability (%) for the system to make a wrong decision in downlink adaptation. The values range from 0 to 50%. The parameter is used in GPRS link adaption.
UL adaptation probability threshold ULA = decimal number
With this parameter you define the allowed probability (%) for the system to make a wrong decision in uplink adaptation. The values range from 0 to 50%. The parameter is used in GPRS link adaptation.
DL BLER crosspoint for CS selection no hop DLB = decimal number
With this parameter you indicate the RLC BLER (block error rate percentage) for CS-1 channel coding. At this point CS-1 and CS-2 give the same effective bit rate and Coding Scheme selection criteria in RLC Acknowledged mode for downlink TBFs changes. The parameter is meaningful only if link adaptation is used in case of no frequency hopping.
The values range from 0 to 100%. The parameter is used in GPRS link adaptation.
UL BLER crosspoint for CS selection no hop ULB = decimal number
With this parameter you indicate the RLC BLER (block error rate percentage) for CS-1 channel coding. At this point CS-1 and CS-2 give the same effective bit rate and Coding Scheme selection criteria in RLC Acknowledged mode for uplink TBFs changes. The parameter is meaningful only if link adaptation is used in case of no frequency hopping.
The values range from 0 to 100%. The parameter is used in GPRS link adaptation.
DL BLER crosspoint for CS selection hop DLBH = decimal number
Parameter Value Explanation
BFG = 0 No prioritisation is
determined between TRXs.
1 GPRS channels are
allocated primarily from the BCCH TRX.
2 GPRS channels are
allocated primarily beyond the BCCH TRX.
EQ - Base Transceiver Station Handling in BSC EQV MODIFY GPRS PARAMETERS <option>
With this parameter you indicate the RLC BLER (block error rate percentage) for CS-1 channel coding. At this point CS-1 and CS-2 give the same effective bit rate and Coding Scheme selection criteria in RLC Acknowledged mode for downlink TBFs changes. The parameter is meaningful only if link adaptation and Frequency Hopping are used. The values range from 0 to 100%. The parameter is used in GPRS link adaptation.
UL BLER crosspoint for CS selection hop ULBH = decimal number
With this parameter you indicate the RLC BLER (block error rate percentage) for CS-1 channel coding. At this point CS-1 and CS-2 give the same effective bit rate and Coding Scheme selection criteria in RLC Acknowledged mode for uplink TBFs changes. The parameter is meaningful only if link adaptation and hopping are used. The values range from 0 to 100%. The parameter is used in GPRS link adaptation.
coding scheme no hop
With this parameter you indicate the selection of Acknowledged mode of the Coding Scheme in RLC (Radio Link Control) in case frequency hopping is not used. The param-eter is used in GPRS link adaptation.
The values are:
coding scheme hop
With this parameter you indicate the selection of Acknowledged mode of the Coding Scheme in radio link control (RLC) when frequency hopping is used. The parameter is used in GPRS link adaptation.
The values are:
initial MCS for acknowledged mode MCA = decimal number
With this parameter you indicate the Modulation and Coding Scheme (MCS) used at the beginning of an EGPRS TBF for RLC acknowledged mode. The parameter is used in EGPRS link adaptation. The values range from 1 to 9.
The parameter is coded according to the following table:
Parameter Value Explanation
COD = 0 Link adaptation is used.
1 CS-1 is used.
2 CS-2 is used.
Parameter Value Explanation
CODH = 0 Link adaptation is used.
1 CS-1 is used.
2 CS-2 is used.
Parameter Value Explanation
EQ - Base Transceiver Station Handling in BSC EQV MODIFY GPRS PARAMETERS <option>
initial MCS for unacknowledged mode MCU = decimal number
With this parameter you indicate the MCS used at the beginning of an GPRS TBF for RLC unacknowledged mode. The parameter is used in EGPRS link adaptation. The values range from 1 to 9.
The parameter is coded according to the following table:
maximum BLER in acknowledged mode BLA = decimal number
With this parameter you indicate the maximum block error rate of the first transmission in EGPRS RLC acknowledged mode. The parameter is used in EGPRS link adaptation.
The values range from 10 to 100%.
maximum BLER in unacknowledged mode BLU = decimal number
With this parameter you indicate the maximum block error rate in EGPRS RLC unac-knowledged mode. The parameter is used in EGPRS link adaptation. The values range from 1 to 100, and the actual unit is one tenth of that.
The parameter is coded according to the following table:
3 MCS-3 is used.
. .
. .
. .
8 MCS-8 is used.
9 MCS-9 is used.
Parameter Value Explanation
MCU= 1 MCS-1 is used.
2 MCS-2 is used.
3 MCS-3 is used.
. .
. .
. .
8 MCS-8 is used.
9 MCS-9 is used.
Parameter Value Explanation
BLU= 1 0.1%
2 0.2%
3 0.3%
Parameter Value Explanation
EQ - Base Transceiver Station Handling in BSC EQV MODIFY GPRS PARAMETERS <option>
mean BEP offset GMSK MBG = decimal number
With this parameter you can adjust the MCS and modulation preferences in EGPRS.
This is the offset added to reported GMSK mean BEP values before EGPRS link adap-tation uses them. The value applies to both uplink and downlink directions. The param-eter is used in EGPRS link adaptation. The values range from –31 to 31.
mean BEP offset 8PSK MBP = decimal number
With this parameter you can adjust the MCS and modulation preferences in EGPRS.
This is the offset added to reported 8PSK mean BEP values before BEP table lookups, and before EGPRS link adaptation uses them. The value applies to both uplink and downlink directions. The parameter is used in EGPRS link adaptation. The values range from –31 to 31.
EGPRS link adaptation enabled <option>
With this parameter you enable or disable EGPRS link adaptation on cell level. If EGPRS link adaptation is disabled, the system uses the MCS value defined by initial MCS for acknowledged mode or initial MCS for unacknowledged mode parameters or a lower MCS. The values range from 0 to 2.
coding schemes CS3 and CS4 enabled <option>
With this parameter you define whether the Coding Schemes CS-3 and CS-4 application software is used in the BTS.
With the rates of 14.4 and 20.0 kbit/s of coding schemes CS-3 and CS-4, a considerable gain in the data rate can be achieved for GPRS Mobile Stations not supporting EGPRS.
Coding Schemes 3 and 4 can be used without EGPRS due to the fact that CS-3 and CS-4 can be used both in GPRS and in EGPRS territories. However, Coding
. .
. .
. .
100 10%
Parameter Value Explanation
ELA = 0 EGPRS link adaptation is
disabled.
1 EGPRS link adaptation is
enabled for the RLC acknowledged mode.
2 EGPRS link adaptation is
enabled for both the RLC acknowledged and RLC unacknowledged modes.
Parameter Value Explanation
EQ - Base Transceiver Station Handling in BSC EQV MODIFY GPRS PARAMETERS <option>
The parameter can be enabled only for MetroSite, UltraSite, Flexi EDGE, BTS plus, and Flexi Multiradio with EDGE if the BTS software supports Coding Schemes 3 and CS-4 application software, the TRXs under the BTS are using Dynamic Abis, and the PCU card supports Coding Schemes CS-3 and CS-4.
The values are:
You can modify this parameter only when the BTS is LOCKED.
DL coding scheme in acknowledged mode DCSA = decimal number
With this parameter you define whether link adaptation with initial coding scheme or fixed coding scheme is used in acknowledged mode in downlink direction.
The values are:
Values 2, 3, 6, and 7 are optional and valid only for MetroSite, UltraSite, and Flexi EDGE, and Flexi Multiradio BTSs.
UL coding scheme in acknowledged mode UCSA = decimal number
Parameter Value Explanation
CS34= Y Coding schemes CS-3 and
CS-4 are enabled.
N Coding schemes CS-3 and
CS-4 are disabled.
Parameter Value Explanation
DCSA= 0 Coding scheme CS-1 is
used.
1 Coding scheme CS-2 is
used.
2 Coding scheme CS-3 is
used.
3 Coding scheme CS-4 is
used.
4 Link adaptation with initial
coding scheme CS-1 is used.
5 Link adaptation with initial
coding scheme CS-2 is used.
6 Link adaptation with initial
coding scheme CS-3 is used.
7 Link adaptation with initial
coding scheme CS-4 is used.
EQ - Base Transceiver Station Handling in BSC EQV MODIFY GPRS PARAMETERS <option>
With this parameter you define whether Link Adaptation with initial coding scheme or fixed coding scheme is used in acknowledged mode in uplink direction.
The values are:
Values 2, 3, 6, and 7 are optional and valid only for MetroSite, UltraSite, and Flexi EDGE, and Flexi Multiradio BTSs.
DL coding scheme in unacknowledged mode DCSU = decimal number
With this parameter you define whether Link Adaptation with initial coding scheme or fixed coding scheme is used in unacknowledged mode in downlink direction.
The values are:
Parameter Value Explanation
UCSA= 0 Coding scheme CS-1 is
used.
1 Coding scheme CS-2 is
used.
2 Coding scheme CS-3 is
used.
3 Coding scheme CS-4 is
used.
4 Link adaptation with initial
coding scheme CS-1 is used.
5 Link adaptation with initial
coding scheme CS-2 is used.
6 Link adaptation with initial
coding scheme CS-3 is used.
7 Link adaptation with initial
coding scheme CS-4 is used.
Parameter Value Explanation
DCSU= 0 Coding scheme CS-1 is
used.
1 Coding scheme CS-2 is
used.
2 Coding scheme CS-3 is
used.
3 Coding scheme CS-4 is
used.
4 Link adaptation with initial
EQ - Base Transceiver Station Handling in BSC EQV MODIFY GPRS PARAMETERS <option>
Values 2, 3, 6, and 7 are optional and valid only for MetroSite, UltraSite, and Flexi EDGE, and Flexi Multiradio BTSs.
UL coding scheme in unacknowledged mode UCSU = decimal number
With this parameter you define whether Link Adaptation with initial coding scheme or fixed coding scheme is used in unacknowledged mode in uplink direction.
The values are:
Values 2, 3, 6, and 7 are optional and valid only for MetroSite, UltraSite, and Flexi EDGE, and Flexi Multiradio BTSs.
adaptive LA algorithm
With this parameter you can define if the used Link Adaptation algorithm is adaptive or not. This parameter is valid only for MetroSite, UltraSite, and Flexi EDGE, and Flexi Mul-tiradio BTSs.
5 Link adaptation with initial
coding scheme CS-2 is
coding scheme CS-2 is