BSC3153 Nokia GSM/EDGE BSS, Rel. BSS13, BSC and TCSM, Rel. S13, Product Documentation, v.1
77 FER Measurement
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The information in this document is subject to change without notice and describes only the product defined in the introduction of this documentation. This documentation is intended for the use of Nokia Siemens Networks customers only for the purposes of the agreement under which the document is submitted, and no part of it may be used, reproduced, modified or transmitted in any form or means without the prior written permission of Nokia Siemens Networks. The documentation has been prepared to be used by professional and properly trained personnel, and the customer assumes full responsibility when using it. Nokia Siemens Networks welcomes customer comments as part of the process of continuous development and improvement of the documentation. The information or statements given in this documentation concerning the suitability, capacity, or performance of the mentioned hardware or software products are given “as is” and all liability arising in connection with such hardware or software products shall be defined conclusively and finally in a separate agreement between Nokia Siemens Networks and the customer. However, Nokia Siemens Networks has made all reasonable efforts to ensure that the instructions contained in the document are adequate and free of material errors and omissions. Nokia Siemens Networks will, if deemed necessary by Nokia Siemens Networks, explain issues which may not be covered by the document. Nokia Siemens Networks will correct errors in this documentation as soon as possible. IN NO EVENT WILL NOKIA SIEMENS NETWORKS BE LIABLE FOR ERRORS IN THIS DOCUMENTATION OR FOR ANY DAMAGES, INCLUDING BUT NOT LIMITED TO SPECIAL, DIRECT, INDIRECT, INCIDENTAL OR CONSEQUENTIAL OR ANY LOSSES, SUCH AS BUT NOT LIMITED TO LOSS OF PROFIT, REVENUE, BUSINESS INTERRUPTION, BUSINESS OPPORTUNITY OPPORTUNITY OR DATA, DATA, THAT THAT MAY ARISE FROM THE USE OF THIS DOCUMENT OR THE INFORMATION IN IT. This documentation and the product it describes are considered protected by copyrights and other intellectual property rights according to the applicable laws. The wave logo is a trademark of Nokia Siemens Networks Oy. Nokia is a registered trademark of Nokia Corporation. Siemens is a registered trademark of Siemens AG. Other product names mentioned in this document may be trademarks of their respective owners, and they are mentioned for identification purposes only. Copyright © Nokia Siemens Networks 2008. All rights reserved.
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Contents
Contents Contents 3 List of tables 4 List of figures
5
Summary of changes
7
1
77 FER Measurement
9
2 2.1 2.2 2.3 2.4 2.5 2.6 2.7 2.8 2.9 2.10 2.11 2.12 2.13 2.14 2.15 2.16 2.17 2.18 2.19
Counters of FER Measurement 13 077000 / BTS ID 13 077001 / TRX ID 13 077002 / USED CODEC TYPE 14 077003 / TRX IN EXT AREA 15 077004 / ID OF FREQUENCY GROUP 077005 / TRX FREQUENCY 16 077006 / FH GROUP ID 17 077007 / CLASS 1 BOUNDARY 17 077013 / CLASS 7 BOUNDARY 18 077014 / AVE WIN SIZE 19 077015 / NBR OF UL FER CL 0 19 077022 / NBR OF UL FER CL 7 20 077023 / NBR OF DL FER CL 0 21 077030 / NBR OF DL FER CL 7 22 077031 / NBR OF DL FER EST 22 077032 / NBR OF EST DL FER CL 0 077039 / NBR OF EST DL FER CL 7 077040 / SAIC NBR OF DL FER CL 0 077047 / SAIC NBR OF DL FER CL 7
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List of tables
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Table 1.
Measurement description of FER Measurement
Table 2.
Counters of FER Measurement
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List of figures
List of figures
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Summary of changes
Summary of changes
Changes between document issues are cumulative. Therefore, the latest document issue contains all changes made to previous issues.
Changes made between issues 5-0 and 4-1 Chapter 1 has been updated. The Updated text of counters 077015-077047 has been updated in chapter 2. Counter table format changed.
Changes made between issues 4-1 and 4-0 The Updated field of counters 077032 and 077039 has been updated.
Changes made between issues 4-0 and 3-0 Information about the new counters 077040...077047 added. BTS and TRX ID range has been removed from counters 077000 and 077001.
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77 FER Measurement
1
77 FER Measurement The FER Measurement registers information on the speech quality in the Radio interface. The FER Measurement provides the uplink frame erasure rate (UL FER) from each codec of each TRX in the BTS. This provides a more realistic measure of voice quality in the system than the bit error ratio (BER)-based RxQuality measurement. Additionally, the downlink frame erasure rate (DL FER) is estimated using the correlation between the UL FER and UL BER values and applying these to the DL BER values. Both the UL FER and actual or estimated DL FER values are reported in the FER measurement. When the Enhanced Measurement Report is in use, actual DL FER values are available and the counters for real DL FER samples are updated instead of the counters for estimated DL FER. Counters 077000…077002 specify the measurement source at the TRX/ codec level. Counters 077003 …077006 contain information on the source TRX. Counters 077007 …077014 consist of parameters (that is, user definable values for quality classes and the size of the averaging window) used in a measurement period. Counters 077015 …077022 are for uplink measurement and counters 077023 …077030 are for the real values of downlink measurement. Counter 077031 indicates the amount of the estimated FER values on the downlink direction, and counters 077032...077039 the amount of the estimated FER samples on the same direction. Counters 077040 …077047 are for the real values of FER downlink measurement with SAIC. Note that the updating of FER Measurement UL and DL counters can be affected by data filtering. That is, if the UL RX Level value of a measurement report is below the set filtering value, the UL counters of the FER Measurement are not updated. Also, if the DL RX Level value is below the set filtering value, the DL counters of the FER Measurement are
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not updated. The data filtering is enabled and disabled with the PRFILE parameter RCS_FER_FILTER . The RX Level threshold for data filtering can be defined with the UTPFIL parameter RCS_FER_FILTER_LEVEL_PRM_C ; the default value is -98 dBm. This measurement is optional. Measurement description
Table 1.
Measurement description of FER Measurement
Measurement
FER Measurement
Measurement ID
77
Measurement abbreviation
FER
Product
BSC
Product software release
S10
Target name
BTS+TRX+codec
Measurement counters
Table 2.
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Counters of FER Measurement
Counter
Counter number
BTS ID
077000
TRX ID
077001
USED CODEC TYPE
077002
TRX IN EXT AREA
077003
ID OF FREQUENCY GROUP
077004
TRX FREQUENCY
077005
FH GROUP ID
077006
CLASS 1 BOUNDARY
077007
:
:
CLASS 7 BOUNDARY
077013
AVE WIN SIZE
077014
NBR OF UL FER CL 0
077015
:
:
NBR OF UL FER CL 7
077022
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Table 2.
Counters of FER Measurement (cont.)
NBR OF DL FER CL 0
077023
:
:
NBR OF DL FER CL 7
077030
NBR OF DL FER EST
077031
NBR OF EST DL FER CL 0
077032
:
:
NBR OF EST DL FER CL 7
077039
SAIC NBR OF DL FER CL 0
077040
:
:
SAIC NBR OF DL FER CL 7
077047
Related topics .
Counters of FER Measurement
Instructions .
BSC Statistics Administration
For information on using this measurement to test the activation of related software, see the testing instructions in: .
Activating and Testing BSS10022: FER Measurement
Reference .
BSC Measurement Counters Displaying Program (FOXMEA)
.
Performance Measurements
.
.
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Automated Planning Enhancements Support for Enhanced Measurement Report
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Counters of FER Measurement
2
Counters of FER Measurement
2.1
077000 / BTS ID
Counter ID: 077000
Network element name: BTS ID
Version: 2.1
NetAct name: BTS_ID
Description: BTS identification. Updated: During a handover and when the call is cleared. Logical type: Variable
Trigger type: Event
Sampling interval:
Unit: Integer number
Range:
Example values:
Dependencies with other counters: Operability class: Related to feature:
Related to standard:
BSS10022: FER Measurement 3GPP Measurement name (Clause header): 3GPP Measurement type: Exceptions to related standard: Used from release: S10
2.2
Definition updated in release:
077001 / TRX ID
Counter ID: 077001
Network element name: TRX ID
Version: 2.1
NetAct name: TRX_ID
Description: TRX identification. Updated: During a handover and when the call is cleared.
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Logical type: Variable
Trigger type: Event
Sampling interval:
Unit: Integer number
Range:
Example values:
Dependencies with other counters: Operability class: Related to feature:
Related to standard:
BSS10022: FER Measurement 3GPP Measurement name (Clause header): 3GPP Measurement type: Exceptions to related standard: Used from release: S10
2.3
Definition updated in release:
077002 / USED CODEC TYPE
Counter ID: 077002
Network element name: USED CODEC TYPE
Version: 2.1
NetAct name: CODEC_TYPE
Description: Identification of the used codec type. Normal channel types: 1 = half rate speech traffic channel 2= full rate speech traffic channel 3 = enhanced full rate speech traffic channel Adaptive Multi Rate (AMR) Codecs: 4 = adaptive multirate half rate speech, 7.95kbit/s 5 = adaptive multirate half rate speech, 7.5kbit/s 6 = adaptive multirate half rate speech, 6.7kbit/s 7 = adaptive multirate half rate speech, 5.9kbit/s 8 = adaptive multirate half rate speech, 5.15kbit/s 9 = adaptive multirate half rate speech, 4.75kbit/s 10 = adaptive multirate full rate speech, 12.2kbit/s 11 = adaptive multirate full rate speech, 10.2kbit/s 12 = adaptive multirate full rate speech, 7.95kbit/s 13 = adaptive multirate full rate speech, 7.4kbit/s 14 = adaptive multirate full rate speech, 6.7kbit/s 15 = adaptive multirate full rate speech, 5.9kbit/s 16 = adaptive multirate full rate speech, 5.15kbit/s 17 = adaptive multirate full rate speech, 4.75kbit/s Updated: During a handover and when the call is cleared. Logical type: Variable
Trigger type: Event
Sampling interval:
Unit: Integer number
Range: 1...17
Example values:
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Counters of FER Measurement
Dependencies with other counters: Operability class: Related to feature:
Related to standard:
BSS10022: FER Measurement 3GPP Measurement name (Clause header): 3GPP Measurement type: Exceptions to related standard: Used from release: S10
2.4
Definition updated in release:
077003 / TRX IN EXT AREA
Counter ID: 077003
Network element name: TRX IN EXT AREA
Version: 2.1
NetAct name: TRX_TYPE
Description: Normal TRX / Extended TRX 0 = normal area 1 = extended area Updated: During a handover and when the call is cleared. Logical type: Variable
Trigger type: Event
Sampling interval:
Unit: Integer number
Range: 0...1
Example values:
Dependencies with other counters: Operability class: Related to feature:
Related to standard:
BSS10022: FER Measurement 3GPP Measurement name (Clause header): 3GPP Measurement type: Exceptions to related standard: Used from release: S10
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Definition updated in release:
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2.5
077004 / ID OF FREQUENCY GROUP
Counter ID: 077004
Network element name: ID OF FREQUENCY GROUP
Version: 2.1
NetAct name: ID_OF_FREQUENCY_GROUP
Description: Identification of the frequency group that the TRX belongs to. May be either regular or one of the sixteen super-reuse frequency groups. Updated: During a handover and when the call is cleared. Logical type: Variable
Trigger type: Event
Sampling interval:
Unit: Integer number
Range: 0...16
Example values:
Dependencies with other counters: Operability class: Related to feature:
Related to standard:
BSS10022: FER Measurement 3GPP Measurement name (Clause header): 3GPP Measurement type: Exceptions to related standard: Used from release: S10
2.6
Definition updated in release:
077005 / TRX FREQUENCY
Counter ID: 077005
Network element name: TRX FREQUENCY
Version: 2.1
NetAct name: TRX_FREQUENCY
Description: Absolute radio frequency number of the TRX. Shows the TRX parameter value set as INITIAL_FREQUENCY by the user. If hopping is used, this value is obsolete. Values: GSM 450: 259...293 GSM 480: 306...340 GSM 900: 1...124 (extended 0, 975 ... 1023) GSM 1800: 512...885 Updated: During a handover and when the call is cleared. Logical type: Variable
Trigger type: Event
Sampling interval:
Unit: Integer number
Range:
Example values:
Dependencies with other counters: Operability class:
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Counters of FER Measurement
Related to feature:
Related to standard:
BSS10022: FER Measurement 3GPP Measurement name (Clause header): 3GPP Measurement type: Exceptions to related standard: Used from release: S10
2.7
Definition updated in release:
077006 / FH GROUP ID
Counter ID: 077006
Network element name: FH GROUP ID
Version: 2.1
NetAct name: FH_GROUP_ID
Description: Identification of the frequency hopping group. 0 = non-hopping 1 = baseband hopping 2 = radio frequency hopping Updated: During a handover and when the call is cleared. Logical type: Variable
Trigger type: Event
Sampling interval:
Unit: Integer number
Range: 0...2
Example values:
Dependencies with other counters: Operability class: Related to feature:
Related to standard:
BSS10022: FER Measurement 3GPP Measurement name (Clause header): 3GPP Measurement type: Exceptions to related standard: Used from release: S10
2.8
077007 / CLASS 1 BOUNDARY
Counter ID: 077007
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Definition updated in release:
Network element name: CLASS 1 BOUNDARY
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Version: 2.1
NetAct name: CLASS_1_BOUNDARY
Description: The lower limit of FER class 1 for both uplink and downlink directions used in a measurement period. Values below this boundary are updating the class 0 counters. The default value for this limit is 20 (2%). Updated: During a handover and when the call is cleared. Logical type: Variable
Trigger type: Event
Sampling interval:
Unit: 0.1%
Range: 1...249
Example values:
Dependencies with other counters: Operability class: Related to feature:
Related to standard:
BSS10022: FER Measurement 3GPP Measurement name (Clause header): 3GPP Measurement type: Exceptions to related standard: Used from release: S10
Definition updated in release:
The pattern of counter 077007 is repeated until 077013. PATTERN START: 077007 PATTERN STOP: 077007 PATTERN REPEATED: 7 times
2.9
077013 / CLASS 7 BOUNDARY
Counter ID: 077013
Network element name: CLASS 7 BOUNDARY
Version: 2.1
NetAct name: CLASS_7_BOUNDARY
Description: The lower limit of FER class 7 for both uplink and downlink directions used in a measurement period. The default value for this limit is 140 (14%). Updated: During a handover and when the call is cleared. Logical type: Variable
Trigger type: Event
Sampling interval:
Unit: 0.1%
Range: 7...255
Example values:
Dependencies with other counters: Operability class:
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Counters of FER Measurement
Related to feature:
Related to standard:
BSS10022: FER Measurement 3GPP Measurement name (Clause header): 3GPP Measurement type: Exceptions to related standard: Used from release: S10
2.10
Definition updated in release:
077014 / AVE WIN SIZE
Counter ID: 077014
Network element name: AVE WIN SIZE
Version: 2.1
NetAct name: AVE_WIN_SIZE
Description: Size of the averaging window used in a measurement period. Default averaging window size is 2 SACCH frames. Updated: During a handover and when the call is cleared. Logical type: Variable
Trigger type: Event
Sampling interval:
Unit: Integer number
Range: 1...32
Example values:
Dependencies with other counters: Operability class: Related to feature:
Related to standard:
BSS10022: FER Measurement 3GPP Measurement name (Clause header): 3GPP Measurement type: Exceptions to related standard: Used from release: S10
2.11
Definition updated in release:
077015 / NBR OF UL FER CL 0
Counter ID: 077015
Network element name: NBR OF UL FER CL 0
Version: 2.1
NetAct name: NBR_OF_UL_FER_CL_0
Description: Number of uplink FER samples in class 0.
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Updated: The samples are taken during calls when BTS reports class 0 UL FER value in the measurement report. The sampled data is updated to the counter at the end of the call or when the handover is performed. Logical type: Sum
Trigger type: Event
Sampling interval:
Unit: Integer number
Range:
Example values:
Dependencies with other counters: Operability class: Related to feature:
Related to standard:
BSS10022: FER Measurement 3GPP Measurement name (Clause header): 3GPP Measurement type: Exceptions to related standard: Used from release: S10
Definition updated in release: S13
The pattern of counter 077015 is repeated until 077022. PATTERN START: 077015 PATTERN STOP: 077015 PATTERN REPEATED: 8 times
2.12
077022 / NBR OF UL FER CL 7
Counter ID: 077022
Network element name: NBR OF UL FER CL 7
Version: 2.1
NetAct name: NBR_OF_UL_FER_CL_7
Description: Number of uplink FER samples in class 7. Updated: The samples are taken during calls when BTS reports class 7 UL FER value in the measurement report. The sampled data is updated to the counter at the end of the call or when the handover is performed. Logical type: Sum
Trigger type: Event
Sampling interval:
Unit: Integer number
Range:
Example values:
Dependencies with other counters: Operability class:
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Counters of FER Measurement
Related to feature:
Related to standard:
BSS10022: FER Measurement 3GPP Measurement name (Clause header): 3GPP Measurement type: Exceptions to related standard: Used from release: S10
2.13
Definition updated in release: S13
077023 / NBR OF DL FER CL 0
Counter ID: 077023
Network element name: NBR OF DL FER CL 0
Version: 2.1
NetAct name: NBR_OF_DL_FER_CL_0
Description: Number of real downlink FER samples in class 0. Updated: The samples are taken during calls when BTS reports class 0 DL FER value in the measurement report. The sampled data is updated to the counter at the end of the call or when the handover is performed. Logical type: Sum
Trigger type: Event
Sampling interval:
Unit: Integer number
Range:
Example values:
Dependencies with other counters: Operability class: Related to feature:
Related to standard:
BSS11086: Support for Enhanced Measurement Report 3GPP Measurement name (Clause header): 3GPP Measurement type: Exceptions to related standard: Used from release: S10
Definition updated in release: S13
The pattern of counter 077023 is repeated until 077030. PATTERN START: 077023 PATTERN STOP: 077023 PATTERN REPEATED: 8 times
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2.14
077030 / NBR OF DL FER CL 7
Counter ID: 077030
Network element name: NBR OF DL FER CL 7
Version: 2.1
NetAct name: NBR_OF_DL_FER_CL_7
Description: Number of real downlink FER samples in class 7. Updated: The samples are taken during calls when BTS reports class 7 DL FER value in the measurement report. The sampled data is updated to the counter at the end of the call or when the handover is performed. Logical type: Sum
Trigger type: Event
Sampling interval:
Unit: Integer number
Range:
Example values:
Dependencies with other counters: Operability class: Related to feature:
Related to standard:
BSS11086: Support for Enhanced Measurement Report 3GPP Measurement name (Clause header): 3GPP Measurement type: Exceptions to related standard: Used from release: S10
2.15
Definition updated in release: S13
077031 / NBR OF DL FER EST
Counter ID: 077031
Network element name: NBR OF DL FER EST
Version: 2.1
NetAct name: NBR_OF_DL_FER_EST
Description: Total number of estimated FER values on the downlink direction. Updated: When the DL FER counters are updated with the estimated values. Logical type: Sum
Trigger type: Event
Sampling interval:
Unit: Integer number
Range:
Example values:
Dependencies with other counters: Operability class: Related to feature:
Related to standard:
BSS10022: FER Measurement
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Counters of FER Measurement
3GPP Measurement name (Clause header): 3GPP Measurement type: Exceptions to related standard: Used from release: S10
2.16
Definition updated in release:
077032 / NBR OF EST DL FER CL 0
Counter ID: 077032
Network element name: NBR OF EST DL FER CL 0
Version: 2.1
NetAct name: NBR_OF_EST_DL_FER_CL_0
Description: Number of estimated DL FER samples in class 0. Updated: When the BTS reports DL BER value in the radio link measurement report, the BSC maps it to estimated class 0 DL FER value with the help of a correlation table. The number of times, when DL BER value is estimated to class 0 DL FER value, is updated to the counter at the end of the call or when thw handover is performed. If the BSC is not able to create the correlation table for the used codec, that is, the BSC hasn't received enough UL FER, UL BER and DL BER values, this counter is not updated. When the real DL FER value is available, this counter is not updated, but the corresponding real DL FER counter 077023 NBR OF DL FER CL 0 is updated instead. Logical type: Sum
Trigger type: Event
Sampling interval:
Unit: Integer number
Range:
Example values:
Dependencies with other counters: 077023: NBR OF DL FER CL 0 Operability class: Related to feature:
Related to standard:
BSS10022: FER Measurement 3GPP Measurement name (Clause header): 3GPP Measurement type: Exceptions to related standard: Used from release: S11
Definition updated in release: S13
The pattern of counter 077032 is repeated until 077039. PATTERN START: 077032
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PATTERN STOP: 077032 PATTERN REPEATED: 8 times
2.17
077039 / NBR OF EST DL FER CL 7
Counter ID: 077039
Network element name: NBR OF EST DL FER CL 7
Version: 2.1
NetAct name: NBR_OF_EST_DL_FER_CL_7
Description: Number of estimated DL FER samples in class 7. Updated: When the BTS reports DL BER value in the radio link measurement report, the BSC maps it to the estimated class 7 DL FER value with the help of a correlation table. The number of times, when DL BER value is estimated to class 7 DL FER value, is updated to the counter at the end of the call or when the handover is performed. If the BSC is not able to create the correlation table for the used codec, that is, the BSC hasn't received enough UL FER, UL BER and DL BER values, this counter is not updated. When the real DL FER value is available, this counter is not updated, but the corresponding real DL FER counter 077030 NBR OF DL FER CL 7 is updated instead. Logical type: Sum
Trigger type: Event
Sampling interval:
Unit: Integer number
Range:
Example values:
Dependencies with other counters: 077030: NBR OF DL FER CL 7 Operability class: Related to feature:
Related to standard:
BSS10022: FER Measurement 3GPP Measurement name (Clause header): 3GPP Measurement type: Exceptions to related standard: Used from release: S11
2.18
Definition updated in release: S13
077040 / SAIC NBR OF DL FER CL 0
Counter ID: 077040
Network element name: SAIC NBR OF DL FER CL 0
Version: 2.1
NetAct name: SAIC_NBR_OF_DL_FER_CL_0
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Counters of FER Measurement
Description: Number of real downlink FER samples in class 0 with SAIC. Updated: During calls when the BTS reports in the mobile measurement report a class 0 DL FER value in the Enhanced Measurement Report. The data is updated to the counter at the end of the call or when the handover is performed. Updated together with counter 077023 NBR OF DL FER CL 0, but only when SAIC is in use. Logical type: Sum
Trigger type: Event
Sampling interval:
Unit: Integer number
Range:
Example values:
Dependencies with other counters: 077023: NBR OF DL FER CL 0 Operability class: Related to feature:
Related to standard:
BSS20082: Single Antenna Interference Cancellation 3GPP Measurement name (Clause header): 3GPP Measurement type: Exceptions to related standard: Used from release: S12
Definition updated in release: S13
The pattern of counter 077040 is repeated until 077047. PATTERN START: 077040 PATTERN STOP: 077040 PATTERN REPEATED: 8 times
2.19
077047 / SAIC NBR OF DL FER CL 7
Counter ID: 077047
Network element name: SAIC NBR OF DL FER CL 7
Version: 2.1
NetAct name: SAIC_NBR_OF_DL_FER_CL_7
Description: Number of real downlink FER samples in class 7 with SAIC. Updated: During calls when the BTS reports in the mobile measurement report a class 7 DL FER value in the Enhanced Measurement Report. The data is updated to the counter at the end of the call or when the handover is performed. Updated together with counter 077030 NBR OF DL FER CL 7, but only when SAIC is in use. Logical type: Sum
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Trigger type: Event
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Sampling interval:
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Unit: Integer number
Range:
Example values:
Dependencies with other counters: 077030: NBR OF DL FER CL 7 Operability class: Related to feature:
Related to standard:
BSS20082: Single Antenna Interference Cancellation 3GPP Measurement name (Clause header): 3GPP Measurement type: Exceptions to related standard: Used from release: S12
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Definition updated in release: S13
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