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ZTE System KPI Reference
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ZXMW NR8250Digital Microwave Transmmission System
KPI Reference
Version: V1.00
ZTE CORPORATIONNO. 55, Hi-tech Road South, ShenZhen, P.R.ChinaPostcode: 518057Tel: +86-755-26771900Fax: +86-755-26770801URL: http://ensupport.zte.com.cnE-mail: [email protected]
LEGAL INFORMATIONCopyright © 2011 ZTE CORPORATION.
The contents of this document are protected by copyright laws and international treaties. Any reproduction or
distribution of this document or any portion of this document, in any form by any means, without the prior written
consent of ZTE CORPORATION is prohibited. Additionally, the contents of this document are protected by
contractual confidentiality obligations.
All company, brand and product names are trade or service marks, or registered trade or service marks, of ZTE
CORPORATION or of their respective owners.
This document is provided “as is”, and all express, implied, or statutory warranties, representations or conditions
are disclaimed, including without limitation any implied warranty of merchantability, fitness for a particular purpose,
title or non-infringement. ZTE CORPORATION and its licensors shall not be liable for damages resulting from the
use of or reliance on the information contained herein.
ZTE CORPORATION or its licensors may have current or pending intellectual property rights or applications
covering the subject matter of this document. Except as expressly provided in any written license between ZTE
CORPORATION and its licensee, the user of this document shall not acquire any license to the subject matter
herein.
ZTE CORPORATION reserves the right to upgrade or make technical change to this product without further notice.
Users may visit ZTE technical support website http://ensupport.zte.com.cn to inquire related information.
The ultimate right to interpret this product resides in ZTE CORPORATION.
Revision History
Revision No. Revision Date Revision Reason
R1.0 2011–05–30 First edition
Serial Number: SJ-20110422094143-001
Publishing Date: 2011–05–30 (R1.0)
ContentsAbout This Manual ......................................................................................... I
Chapter 1 Radio Link KPIs......................................................................... 1-11.1 EFS................................................................................................................... 1-1
1.2 EB..................................................................................................................... 1-1
1.3 ES..................................................................................................................... 1-1
1.4 SES .................................................................................................................. 1-2
1.5 BBE .................................................................................................................. 1-2
1.6 UAS .................................................................................................................. 1-2
Chapter 2 Ethernet Port KPIs .................................................................... 2-12.1 Octets Received................................................................................................. 2-1
2.2 Packets received................................................................................................ 2-1
2.3 Broadcast packets received ................................................................................ 2-2
2.4 Multicast packets received .................................................................................. 2-2
2.5 FCS packets received......................................................................................... 2-2
2.6 Undersize packets received ................................................................................ 2-3
2.7 Oversize packets received .................................................................................. 2-3
2.8 Fragments packets received ............................................................................... 2-3
2.9 Jabber packets received ..................................................................................... 2-4
2.10 Packets = 64 octets received............................................................................. 2-4
2.11 Packets 65 ~ 127 octets received ...................................................................... 2-4
2.12 Packets 128 ~ 255 octets received .................................................................... 2-5
2.13 Packets 256 ~ 511 octets received .................................................................... 2-5
2.14 Packets 512 ~ 1023 octets received .................................................................. 2-5
2.15 Packets 1024 ~ MAX octets received................................................................. 2-6
Chapter 3 ODU KPIs................................................................................... 3-13.1 Min TSL............................................................................................................. 3-1
3.2 Max TSL............................................................................................................ 3-1
3.3 Mean of TSL ...................................................................................................... 3-2
3.4 Min RSL ............................................................................................................ 3-2
3.5 Max RSL ........................................................................................................... 3-2
3.6 % High Threshold............................................................................................... 3-2
3.7 % Low Threshold ............................................................................................... 3-3
3.8 Mean of RSL...................................................................................................... 3-3
I
3.9 99.9% RSL ........................................................................................................ 3-3
3.10 0.1% RSL ........................................................................................................ 3-4
Chapter 4 TDM Port KPIs ........................................................................... 4-14.1 SDH Optical Port Statistics ................................................................................. 4-1
4.1.1 Minimum receiving optical power............................................................... 4-1
4.1.2 Maximum receiving optical power.............................................................. 4-1
4.1.3 Minimum transmitting optical power ........................................................... 4-2
4.1.4 Maximum transmitting optical power .......................................................... 4-2
4.2 SDH Regenerator Section Statistics .................................................................... 4-2
4.2.1 RS-UAS................................................................................................... 4-2
4.2.2 RS-ES..................................................................................................... 4-3
4.2.3 RS-SES................................................................................................... 4-3
4.2.4 RS-BBE................................................................................................... 4-3
4.3 SDH Multiplex Section Statistics.......................................................................... 4-4
4.3.1 MS-UAS .................................................................................................. 4-4
4.3.2 MS-ES..................................................................................................... 4-4
4.3.3 MS-SES .................................................................................................. 4-4
4.3.4 MS-BBE .................................................................................................. 4-5
Chapter 5 WLETH Port KPIs ...................................................................... 5-15.1 Los.................................................................................................................... 5-1
5.2 Utilization........................................................................................................... 5-1
Glossary .......................................................................................................... I
II
About This ManualPurpose
Thismanual describes the description, definition, unit, statistics object, and statistics periodof KPIs of the ZXMW NR8250 digital microwave system.
Intended Audience
l System Engineerl Testing Engineerl Planning Engineer
What Is in This Manual
This manual contains the following chapters.
Section Summary
Chapter 1, Radio Link KPIs Describes the description, definition, unit, statistics object,
and statistics period of the KPIs of radio link.
Chapter 2, Ethernet Port KPIs Describes the description, definition, unit, statistics object,
and statistics period of the KPIs of Ethernet port.
Chapter 3, ODU KPIs Describes the description, definition, unit, statistics object,
and statistics period of the KPIs related to ODU.
Chapter 4, TDM Port KPIs Describes the description, definition, unit, statistics object,
and statistics period of the KPIs of TDM port.
Chapter 5, WLETH Port KPIs Describes the description, definition, unit, statistics object,
and statistics period of the KPIs of WLETH port.
I
II
Chapter 1Radio Link KPIsTable of Contents
EFS............................................................................................................................1-1EB..............................................................................................................................1-1ES..............................................................................................................................1-1SES ...........................................................................................................................1-2BBE ...........................................................................................................................1-2UAS ...........................................................................................................................1-2
1.1 EFSName Errored Free Second
Description Time during which there is no error bit within 15 minutes or 24 hours
Definition This KPI counts the number of seconds during which there is no error blocks
within 15 minutes or 24 hours.
Unit Second
Statistics object WL object on RMU board
Statistics period Real time, 15 minutes or 24 hours
1.2 EBName Errored Block
Description Number of error blocks that contain one or multiple error bits
Definition This KPI counts the number of error blocks within 15 minutes or 24 hours.
Unit Block
Statistics object WL object on RMU board
Statistics period Real time, 15 minutes or 24 hours
1.3 ESName Errored Second
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Description Time during which one or multiple error bits occur
Definition This KPI counts the number of seconds during which one or multiple error bits
occur within 15 minutes or 24 hours.
Unit Second
Statistics object WL object on RMU board
Statistics period Real time, 15 minutes or 24 hours
1.4 SESName Severely Errored Second
Description Time during which the percent of error blocks of the total blocks is at least
30% in a statistics period
Definition This KPI counts the number of seconds during which the proportion between
the number of error blocks and the total number of blocks is at least 30% in a
statistics period (15 minutes or 24 hours).
Unit Second
Statistics object WL object on RMU board
Statistics period Real time, 15 minutes or 24 hours
1.5 BBEName Background Block Errored
Description Number of error blocks not contained in SES
Definition This counter counts the number of error blocks not contained in SES.
Unit Block
Statistics object WL object on RMU board
Statistics period Real time, 15 minutes or 24 hours
1.6 UASName Unavailable Second
Description The UAS status is detected after 10 consecutive SESs occur. The starting time
of UAS is counted from the first second after 10 consecutive SESs occur. When
10 consecutive non-SESs occur, the UAS status is cancelled.
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Chapter 1 Radio Link KPIs
Definition This KPI counts the time from the first second after 10 consecutive SESs occur
to the last second before 10 consecutive non-SESs occur.
Unit Second
Statistics object WL object on RMU board
Statistics period Real time, 15 minutes or 24 hours
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Chapter 2Ethernet Port KPIsTable of Contents
Octets Received.........................................................................................................2-1Packets received........................................................................................................2-1Broadcast packets received........................................................................................2-2Multicast packets received .........................................................................................2-2FCS packets received ................................................................................................2-2Undersize packets received........................................................................................2-3Oversize packets received .........................................................................................2-3Fragments packets received.......................................................................................2-3Jabber packets received.............................................................................................2-4Packets = 64 octets received......................................................................................2-4Packets 65 ~ 127 octets received...............................................................................2-4Packets 128 ~ 255 octets received.............................................................................2-5Packets 256 ~ 511 octets received .............................................................................2-5Packets 512 ~ 1023 octets received ...........................................................................2-5Packets 1024 ~ MAX octets received .........................................................................2-6
2.1 Octets ReceivedName Octets received
Description Number of octets received, including the octets of error packages, excluding
the leading series of frame, and including the octets of FCS
Definition This KPI counts the number of octets received at the equipment port.
Unit Octet
Statistics object ETH object on RCU board or RTUM board
Statistics period Real time, 15 minutes or 24 hours
2.2 Packets receivedName Packets received
Description Number of received data packets, including the error packet. (Note: Here, the
data packet at Ethernet port is the MAC packet specified in the 802.3 protocol)
Definition This KPI counts the number of packets received at the equipment port.
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Unit Frame
Statistics object ETH object on RCU board or RTUM board
Statistics period Real time, 15 minutes or 24 hours
2.3 Broadcast packets receivedName Broadcast packets received
Description Number of received broadcast packets, excluding the error packet and the
multicast packet.
Definition This KPI counts the number of broadcast packets received at the equipment
port.
Unit Frame
Statistics object ETH object on RCU board or RTUM board
Statistics period Real time, 15 minutes or 24 hours
2.4 Multicast packets receivedName Multicast packets received
Description Number of received multicast packets, excluding the error packet and the
broadcast packet.
Definition This KPI counts the number of multicast packets received at the equipment port.
Unit Frame
Statistics object ETH object on RCU board or RTUM board
Statistics period Real time, 15 minutes or 24 hours
2.5 FCS packets receivedName FCS packets received
Description Number of received CRC error frames, only including the packets of which the
packet length is between 64 octets and 1518 octets.
Definition This KPI counts the number of packets received at the equipment port of
which the packet length is between 64 octets and 1518 octets and the content
is incorrect.
Unit Frame
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Chapter 2 Ethernet Port KPIs
Statistics object ETH object on RCU board or RTUM board
Statistics period Real time, 15 minutes or 24 hours
2.6 Undersize packets receivedName Undersize packets received
Description Number of packets of which the packet length is smaller than 64 octets and
the content is correct
Definition This KPI counts the number of packets received at the equipment port of which
the packet length is smaller than 64 octets and the content is correct.
Unit Frame
Statistics object ETH object on RCU board or RTUM board
Statistics period Real time, 15 minutes or 24 hours
2.7 Oversize packets receivedName Oversize packets received
Description Number of packets of which the packet length is larger than 1518 octets and
the content is correct
Definition This KPI counts the number of packets received at the equipment port of which
the packet length is larger than 1518 octets and the content is correct.
Unit Frame
Statistics object ETH object on RCU board or RTUM board
Statistics period Real time, 15 minutes or 24 hours
2.8 Fragments packets receivedName Fragments packets received
Description Number of packets of which the packet length is smaller than 64 octets and
the content is incorrect
Definition This KPI counts the number of packets received at the equipment port of which
the packet length is smaller than 64 octets and the content is incorrect.
Unit Frame
Statistics object ETH object on RCU board or RTUM board
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Statistics period Real time, 15 minutes or 24 hours
2.9 Jabber packets receivedName Jabber packets received
Description Number of packets of which the packet length is larger than 1518 octets and
the content is incorrect
Definition This KPI counts the number of packets received at the equipment port of which
the packet length is larger than 1518 octets and the content is incorrect.
Unit Frame
Statistics object ETH object on RCU board or RTUM board
Statistics period Real time, 15 minutes or 24 hours
2.10 Packets = 64 octets receivedName Packets = 64 octets received
Description Number of received data packets of which the packet length is 64 octets,
including the error packet.
Definition This KPI counts the number of packets received at the equipment port of which
the packet length is 64 octets.
Unit Frame
Statistics object ETH object on RCU board or RTUM board
Statistics period Real time, 15 minutes or 24 hours
2.11 Packets 65 ~ 127 octets receivedName Packets 65 ~ 127 octets received
Description Number of received data packets of which the packet length is between 65
octets and 127 octets, including the error packet.
Definition This KPI counts the number of packets received at the equipment port of which
the packet length is between 65 octets and 127 octets.
Unit Frame
Statistics object ETH object on RCU board or RTUM board
Statistics period Real time, 15 minutes or 24 hours
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Chapter 2 Ethernet Port KPIs
2.12 Packets 128 ~ 255 octets receivedName Packets 128 ~ 255 octets received
Description Number of received data packets of which the packet length is between 128
octets and 255 octets, including the error packet.
Definition This KPI counts the number of packets received at the equipment port of which
the packet length is between 128 octets and 255 octets.
Unit Frame
Statistics object ETH object on RCU board or RTUM board
Statistics period Real time, 15 minutes or 24 hours
2.13 Packets 256 ~ 511 octets receivedName Packets 256 ~ 511 octets received
Description Number of received data packets of which the packet length is between 256
octets and 511 octets, including the error packet.
Definition This KPI counts the number of packets received at the equipment port of which
the packet length is between 256 octets and 511 octets.
Unit Frame
Statistics object ETH object on RCU board or RTUM board
Statistics period Real time, 15 minutes or 24 hours
2.14 Packets 512 ~ 1023 octets receivedName Packets 512 ~ 1023 octets received
Description Number of received data packets of which the packet length is between 512
octets and 1023 octets, including the error packet.
Definition This KPI counts the number of packets received at the equipment port of which
the packet length is between 512 octets and 1023 octets.
Unit Frame
Statistics object ETH object on RCU board or RTUM board
Statistics period Real time, 15 minutes or 24 hours
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2.15 Packets 1024 ~ MAX octets receivedName Packets 1024 ~ MAX octets received
Description Number of received data packets of which the packet length is between 1024
octets and MAX octets, including the error packet (MAX = 1522).
Definition This KPI counts the number of packets received at the equipment port of which
the packet length is between 1024 octets and MAX octets.
Unit Frame
Statistics object ETH object on RCU board or RTUM board
Statistics period Real time, 15 minutes or 24 hours
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Chapter 3ODU KPIsTable of Contents
Min TSL .....................................................................................................................3-1Max TSL ....................................................................................................................3-1Mean of TSL ..............................................................................................................3-2Min RSL .....................................................................................................................3-2Max RSL ....................................................................................................................3-2% High Threshold.......................................................................................................3-2% Low Threshold .......................................................................................................3-3Mean of RSL ..............................................................................................................3-399.9% RSL.................................................................................................................3-30.1% RSL...................................................................................................................3-4
3.1 Min TSLName Min TSL
Description Minimum transmission power
Definition This KPI counts the real-time transmission power, and the minimum
transmission power within 15 minutes or 24 hours.
Unit dB
Statistics object ODU object at RMU
Statistics period Real time, 15 minutes or 24 hours
3.2 Max TSLName Max TSL
Description Maximum transmission power
Definition This KPI counts the real-time transmission power, and the maximum
transmission power within 15 minutes or 24 hours.
Unit dB
Statistics object ODU object at RMU
Statistics period Real time, 15 minutes or 24 hours
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3.3 Mean of TSLName Mean of TSL
Description Average transmission power
Definition This KPI counts the real-time transmission power, and the average transmission
power within 15 minutes or 24 hours.
Unit dB
Statistics object ODU object at RMU
Statistics period Real time, 15 minutes or 24 hours
3.4 Min RSLName Min RSL
Description Minimum receiving power
Definition This KPI counts the real-time receiving power, or the minimum receiving power
within 15 minutes or 24 hours.
Unit dBm
Statistics object ODU object at RMU
Statistics period Real time, 15 minutes or 24 hours
3.5 Max RSLName Max RSL
Description Maximum receiving power
Definition This KPI counts the real-time receiving power, or the maximum receiving power
within 15 minutes or 24 hours.
Unit dBm
Statistics object ODU object at RMU
Statistics period Real time, 15 minutes or 24 hours
3.6 % High ThresholdName % High Threshold
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Chapter 3 ODU KPIs
Description Percent of power higher than the specified high power threshold (you can set
the high power threshold (RL High Threshold) through Configure > Radio Linkin the LMT interface)
Definition This KPI counts the percent of power higher than the high power threshold
of ODU.
Unit %
Statistics object ODU object at RMU
Statistics period Real time, 15 minutes or 24 hours
3.7 % Low ThresholdName % Low Threshold
Description Percent of power lower than the specified low power threshold (you can set the
low power threshold (RL Low Threshold) through Configure > Radio Linkin the LMT interface)
Definition This KPI counts the percent of power lower than the low power threshold
of ODU.
Unit %
Statistics object ODU object at RMU
Statistics period Real time, 15 minutes or 24 hours
3.8 Mean of RSLName Mean of RSL
Description Average receiving power
Definition This KPI counts the real-time receiving power, or the average receiving power
within 15 minutes or 24 hours.
Unit dBm
Statistics object ODU object at RMU
Statistics period Real time, 15 minutes or 24 hours
3.9 99.9% RSLName 99.9% RSL
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Description Normally, 99.9% of the receiving level is lower than the value of this KPI. The
smaller the difference between this value and the average value, the smaller
interference of the periodical burst signal.
Definition This KPI calculates the threshold value of receiving level larger than 99.9%
of the receiving level.
Unit dBm
Statistics object ODU object at RMU
Statistics period Real time, 15 minutes or 24 hours
3.10 0.1% RSLName 0.1% RSL
Description Normally, 0.1% of the receiving level is lower than the value of this KPI. The
smaller the difference between the average value and this value, the smaller
fading interference of the periodical burst signal.
Definition This KPI calculates the threshold value of receiving level smaller than 0.1%
of the receiving level.
Unit dBm
Statistics object ODU object at RMU
Statistics period Real time, 15 minutes or 24 hours
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Chapter 4TDM Port KPIsTable of Contents
SDH Optical Port Statistics.........................................................................................4-1SDH Regenerator Section Statistics ...........................................................................4-2SDH Multiplex Section Statistics.................................................................................4-4
4.1 SDH Optical Port Statistics
4.1.1 Minimum receiving optical powerName Minimum receiving optical power
Description Minimum receiving optical power of the optical module
Definition This KPI counts the real-time receiving power of the optical module, and
counts the minimum receiving power of the optical module within 15 minutes
or 24 hours.
Unit dBmw
Statistics object Optical module at RTUB
Statistics period Real time, 15 minutes or 24 hours
4.1.2 Maximum receiving optical powerName Maximum receiving optical power
Description Maximum receiving optical power of the optical module
Definition This KPI counts the real-time receiving power of the optical module, and counts
the maximum receiving power of the optical module within 15 minutes or 24
hours.
Unit dBmw
Statistics object Optical module at RTUB
Statistics period Real time, 15 minutes or 24 hours
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4.1.3 Minimum transmitting optical powerName Minimum transmitting optical power
Description Minimum transmitting optical power of the optical module
Definition This KPI counts the real-time transmitting power of the optical module, and
counts the minimum transmitting power of the optical module within 15 minutes
or 24 hours.
Unit dBmw
Statistics object Optical module at RTUB
Statistics period Real time, 15 minutes or 24 hours
4.1.4 Maximum transmitting optical powerName Maximum transmitting optical power
Description Maximum transmitting optical power of the optical module
Definition This KPI counts the real-time transmitting power of the optical module, and
counts the maximum transmitting power of the optical module within 15 minutes
or 24 hours.
Unit dBmw
Statistics object Optical module at RTUB
Statistics period Real time, 15 minutes or 24 hours
4.2 SDH Regenerator Section Statistics
4.2.1 RS-UASName Regenerator Section Unavailable Second
Description The UAS status is detected after 10 consecutive SESs occur at the regenerator
section. The starting time of UAS is counted from the first second after 10
consecutive SESs occur at the regenerator section. When 10 consecutive
non-SESs occur at the regenerator section, the UAS status is cancelled.
Definition This KPI counts the time from the first second after 10 consecutive SESs occur
to the last second before 10 consecutive non-SESs occur at the regenerator
section.
Unit Second
Statistics object TDM object at RTUB
Statistics period Real time, 15 minutes or 24 hours
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4.2.2 RS-ESName Regenerator Section Errored Second
Description Time during which one or multiple decoding errors occur at the regenerator
section
Definition This KPI counts the number of seconds during which one or multiple decoding
errors occur at the regenerator section within 15 minutes or 24 hours.
Unit Second
Statistics object TDM object at RTUB
Statistics period Real time, 15 minutes or 24 hours
4.2.3 RS-SESName Regenerator Section Severely Errored Second
Description Time during which the percent of error blocks of the total blocks at the
regenerator section is at least 30% in a statistics period
Definition This KPI counts the number of seconds during which the proportion between
the number of error blocks and the total number of RS blocks at the regenerator
section is at least 30% in a statistics period (15 minutes or 24 hours).
Unit Second
Statistics object TDM object at RTUB
Statistics period Real time, 15 minutes or 24 hours
4.2.4 RS-BBEName Regenerator Section Background Block Errored
Description Number of error blocks not contained in SES at the regenerator section
Definition This KPI counts the number of error blocks not contained in SES at the
regenerator section within 15 minutes or 24 hours.
Unit Block
Statistics object TDM object at RTUB
Statistics period Real time, 15 minutes or 24 hours
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4.3 SDH Multiplex Section Statistics
4.3.1 MS-UASName Multiplex Section Unavailable Second
Description The UAS status is detected after 10 consecutive SESs occur at the multiplex
section. The starting time of UAS is counted from the first second after 10
consecutive SESs occur at the multiplex section. When 10 consecutive
non-SESs occur at the multiplex section, the UAS status is cancelled.
Definition This KPI counts the time from the first second after 10 consecutive SESs occur
to the last second before 10 consecutive non-SESs occur at the multiplex
section.
Unit Second
Statistics object TDM object at RTUB
Statistics period Real time, 15 minutes or 24 hours
4.3.2 MS-ESName Multiplex Section Errored Second
Description Time during which one or multiple decoding errors occur at the multiplex section
Definition This KPI counts the number of seconds during which one or multiple decoding
errors occur at the multiplex section within 15 minutes or 24 hours.
Unit Second
Statistics object TDM object at RTUB
Statistics period Real time, 15 minutes or 24 hours
4.3.3 MS-SESName Multiplex Section Severely Errored Second
Description Time during which the percent of error blocks of the total blocks at the multiplex
section is at least 15%
Definition This KPI counts the number of seconds during which the proportion between
the number of error blocks and the total number of blocks at the multiplex
section is at least 15% in a statistics period (15 minutes or 24 hours).
Unit Second
Statistics object TDM object at RTUB
Statistics period Real time, 15 minutes or 24 hours
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Chapter 4 TDM Port KPIs
4.3.4 MS-BBEName Multiplex Section Background Block Errored
Description Number of error blocks not contained in SES at the multiplex section
Definition This KPI counts the number of error blocks not contained in SES at the multiplex
section within 15 minutes or 24 hours.
Unit Block
Statistics object TDM object at RTUB
Statistics period Real time, 15 minutes or 24 hours
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Chapter 5WLETH Port KPIsTable of Contents
Los.............................................................................................................................5-1Utilization ...................................................................................................................5-1
5.1 LosName Los
Description Ethernet packet loss condition from the RCU board to the RMU board (Note:
The system can only choose Ethernet service data in radio transmission due to
radio bandwidth limit. WLETH reflects the packet loss condition after logically
selective reception from RCU to RMU inside the equipment, and it also reflects
the radio link bandwidth usage. )
Definition This KPI counts the Ethernet packet loss rate at the air interface after logically
selective reception from the RCU board to the RMU board. Packet loss rate
= 100 * Number of packets lost in the period/Number of packets received
in the period
Unit %
Statistics object Ethernet transmission object at RMU
Statistics period 15 minutes or 24 hours
5.2 UtilizationName Utilization
Description Air-interface bandwidth usage by the total number of bits transmitted from the
RCU board to the RMU board.
Definition This KPI counts the air-interface bandwidth usage by the total number of
Ethernet bits transmitted from the RCU board to the RMU board. Usage = 100 *
Total number of bits received in the period/Period * Bandwidth
Unit %
Statistics object Ethernet transmission object at RMU
Statistics period 15 minutes or 24 hours
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GlossarySES- Severely Errored Second
I