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Nokia Siemens Networks Managed Services RTWP Optimisation Processes – VHA RAN

Day to Day Performance Management & Optimisation – VHA RAN

Doc&ment Review -ersion:

Drat .,"

Proced&re Owner: 0&t'or)s+: Release Date:

W'en approved

Mat&rity:

Drat

0pproved (y: (y: Reviewed (y: Distri(&tion 1ist:

2NO3 3'ennai4 PM MSP4

Storage: Restriction:

5nternal

Type o doc&ment:

Process Man&al

Doc&ment No:

Disclaimer T'is p&(lication is conidential and 'as (een prepared and written (y -odaone Paciic 1imited or one o its related (odies corporate )6-odaone 7&tc'ison 0&stralia6+, 5t is s&(*ect to copyrig't, No part o t'is doc&ment may (e disclosed4 copied4 reprod&ced4 stored in a retrieval system or transmitted wit'o&t prior written permission rom -odaone 0&stralia,

File Filena name me:: Day Day to Per Pero orm rman ance ce Man Manag agem emen entt ! Opti Optimi misa sati tion on Date Date modii modiied: ed: "#$May "#$May$"% $"%

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Day to Day Performance Management & Optimisation – VHA RAN

Doc&ment Review -ersion:

Drat .,"

Proced&re Owner: 0&t'or)s+: Release Date:

W'en approved

Mat&rity:

Drat

0pproved (y: (y: Reviewed (y: Distri(&tion 1ist:

2NO3 3'ennai4 PM MSP4

Storage: Restriction:

5nternal

Type o doc&ment:

Process Man&al

Doc&ment No:

Disclaimer T'is p&(lication is conidential and 'as (een prepared and written (y -odaone Paciic 1imited or one o its related (odies corporate )6-odaone 7&tc'ison 0&stralia6+, 5t is s&(*ect to copyrig't, No part o t'is doc&ment may (e disclosed4 copied4 reprod&ced4 stored in a retrieval system or transmitted wit'o&t prior written permission rom -odaone 0&stralia,


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Doc&ment 3ontrol Title:

0cti8One Optimisation Processes

Doc&ment Owner: 0&t'ors)s+: 3ontri(&tors:

Version Control Date

-ersion

""$.#$%."%

.,"

Name o Person Making 3'ange

Description o 3'anges Doc, O&tline

Document Review T'is doc&ment will (e s&(*ect to periodic review, review, 5t is t'e responsi(ility o t'e Doc&ment Owner to initiate and control t'e review process, T'e review interval s'o&ld (e no greater t'an si8 mont's,


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Ta(le o 3ontents Doc&ment 3ontrol,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,/ Ta(le o 3ontents,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,9 ",

P&rpose ! Scope,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,#

%,

3&stomer,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,

/,

RTWP 0nalysis,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,;

/," /,% /,/ /,9

Tool 0ccess,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,; 0nalysis,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,; 0ctions ! O&tcomes,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,; Tracking,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,;

9,

3overage 0nalysis – P37R 0nalysis,,,,,,,,,,,,,,<

9," 9,% 9,/ 9,9

Tool 0ccess,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,< 0nalysis,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,< 0ctions ! O&tcomes,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,< Tracking,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,<

Reerences,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,= Deinitions>2lossary,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,". 0ppendices,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,""

,

Filename: Day to Perormance Management ! Optimisation Date modiied: "#$May$"%

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P&rpose ! Scope T'e scope o t'is doc&ment is to descri(e process o Day to Day Perormance Management ! Optimisation cond&cted (y t'e Regional MSP ?ngineering teams as it relates to met'ods and proced&res t'at can (e &sed (y t'e 0cti8One Tool


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%,

3&stomer

5nternal $ 2NO34 MSP ?8ternal $ -70


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RTWP 0nalysis

7ig' RTWP in /2 cells impacts on &ser t'ro&g'p&t as well as accessi(ility or @1 R0As, Aased on c&rrent -70 network setting t'ere is no accessi(ility will (e o(serve d&e to 'ig' RTWP4 (&t &ser e8perience rom t'ro&g'p&t point o view and also retaina(ililty will (e impacted directly,


-ersion .,%

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Tool 0ccess

Tools are &sed or tro&(les'ooting are: i,

PRS

ii,

Nastar

iii,

NodeA 1MT

PRS &s&ally is &sed to monitor network perormance and e8tract t'e list o all cells wit' 'ig' RTWP iss&e, Nastar is &sed to perorm 'istory c'eck and identiy aected spectr&m NodeB LMT is t'e main tool &sed to analyse antenna (ranc' perormance and identiy deected part, 0lso t'is tool will 'elp to c'eck TM0 conig&ration and atten&ation setting,


-ersion .,%

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7ig' RTWP meas&red via / co&nters in PRS )Report Bordia /2 BP5+C 

-S,Ma8RTWP



-S,MinRTWP



-S,MeanRTWP

T'ese co&nters represent Ma8>Min>0verage RTWP d&ring meas&rement period and t'e val&e is average o all receive pat' or meas&red o(*ect, Min val&e o t'is co&nter capt&res minim&m d&ring meas&rement period and r&nning t'is report in daily (ases will give t'e minim&m RTWP w'ic' is capt&red d&ring minim&m network load and it will (e incl&ded all e8ternal load apart rom /2 internal load, Normal range or min RTWP is (etween $"." and $".< d(m and val&es 'ig'er and lower t'an t'is needs attention, 1ow val&e or min RTWP like $""#d(m represents disconnected R pat' or a<y antenna4 TM0 or any ot'er element o antenna (ranc', Ot'er reason or low val&e can (e wrong setting o TM0 atten&ation, 7ig'er val&e or t'is co&nter will (e res<s o e8ternal intererence o wrong setting o TM0 atten&ation,

Nastar is &sed to identiy real time RTWP level or eac' antenna (ranc' as well as identiy main and diversity dierence, RTWP capt&red rom Nastar E@MTS @plink 5ntererence 0nalysis Task is cell (ases, Nastar keeps record on RTWP )(ased on setting+ or &p to % weeks and can (e &sed to c'eck RTWP sit&ation d&ring (&sy 'o&r and midnig't to disting&is' (etween /2 internal intererence and e8ternal intererence,


-ersion .,%

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LMT of NodeB 'as t'e same &nctionality as Nastar @plink intererence 0nalysis (&t only in real time (ases, O&tp&t o 1MT s'ows RTWP or m<iple carrier as well as antenna (ranc'es in t'e same window and tro&(les'ooting will (e easier, 1MT o NodeA also is &sed to track RTWP sit&ation d&ring tec'nicians visit rom t'e site and any type o work on antenna (ranc' as it is real time meas&rement,


-ersion .,%

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NodeA 1MT is t'e (est tools to ad*&st TM0 atten&ation setting as well, 5n s&mmary4 1MT is &sed to: $

Monitor RTWP or dierent carrier and (ranc' in radio &nit

$

Monitor RTPW d&ring tec' work in site on antenna side to detect a<y4 swap and etc,

$

3onig&re TM0 setting correctly to avoid incorrect RTWP meas&rement and main diversity iss&e,

NodeA 1MT Rx Frequency Scanning is related to spectr&m meas&rement w'ic' scans reG&ency in %.. k7H steps to identiy poll&ted range in case o e8ternal so&rce,


-ersion .,%

Note: Not or &rt'er distri(&tion and )s&(*ect to alternate agreement+ t'at NSN doc&ments Page "" o /" reerenced in t'e Proced&res Man&al remains NSN property,


-ersion .,%

Note: Not or &rt'er distri(&tion and )s&(*ect to alternate agreement+ t'at NSN doc&ments Page "% o /" reerenced in t'e Proced&res Man&al remains NSN property,

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0nalysis

Steps to analyse RTWP iss&e is e8plained in attac'ed slide

-S,MinRTWP is t'e main trigger point or RTWP work in t'e "cellC -S,MeanRTWP also will (e impacted in case o any p'ysical o setting iss&e (&t is not t'e main trigger point, Mean val&e o RTWP can (e aected (y 'ig' load in t'e cell and optimiHation steps or t'is iss&e are dierent t'an t'is g&ideline,

MinRTWP will trigger operation in two sit&ations4 "$ 7ig' RTWP %$ 1ow RTWP Hig R!"P triggers w'enever e8ternal intererence is impacting network as well as a<y or wrong setting related to TM04 atten&ation and etc, Report to identiy low 'ig' RTWP is (ased on daily resol&tion and needs to (e availa(le or co&ple days and any contin&es 'ig' RTWP or MinRTWP )'ig'er t'an $"..d(m or more t'an / days+ , Report is &sed to e8tract BP5 in PRS located in ErootIkordiaIBordia /2 BP5 E, Report need to (e r&n in @cell level and daily resol&tion and any cell wit' RTWP J$"..dAm will (e s&(*ect to t'is proced&re,


-ersion .,%

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Ne8t step is to monitor RTWP sit&ation rom 1MT,

5dentiy Radio &nit related to @cell:


-ersion .,%

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RTWP Monitoring &nction o 1MT is located &nder Real$time Speciic Monitoring older

Aased on location o radio &nit 4 apply setting )in case o reporting to 03M0 is needed4 it is possi(le to record all meas&rement (y c'ecking (o8 ne8t to E0&to Save and speciy t'e location o log ile+, Aase on n&m(er o carrier 'ave (een conig&red on t'is (oard4 t'e o&tp&t will (e displayed in o&tp&t window

5normation w'ic' will (e e8tracted rom t'is c'art is: $

1evel o RTWP or dierent carrier and antenna (ranc'4 so in case o % carrier4 t'ere will (e 9 c'ard, 3arrier . and " and or eac' carrier Primary )w'ic' is T>R port+ and also Secondary )top port in R@ w'ic' is R+

$

Dierence (etween main and diversity to concl&de possi(le setting > pl&m(ing iss&e


-ersion .,%

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o atten&ation and splitter e8istence, 5n case o 'ig' Min RTWP4 t'e (est tro&(les'ooting is to t&rn OFF TM0 and remove all atten&ations )i TM0 e8ists+4 in t'e meantime monitor RTWP rom 1MT or any c'anges )TM0 can (e powered rom t'e same R@ or ot'er &nit as well ot'er NodeA in t'e location or e8ternal so&rce,so or t'is operation is necessary to 'ave site STD 'andy or do&(le c'eck t'e sol&tion in t'e site, 0ter removing all t'ese setting and t&rn OFF TM04 i RTWP come (ack to accepta(le level4 t'is is t'e res<s o wrong atten&ation setting o TM0)in very rare sit&ation t'is can (e sign o swap eeders+ 4 and ater reviewing o STD 4 it can (e corrected, )Reer to TM0 setting section+ and tro&(le s'ooting is over or t'is case,

0ter t&rning OFF TM0 and removing all atten&ations4 still Min RTWP stays 'ig'er t'an normal level4 in t'is case tro&(le s'ooting contin&es in 1MT, 0s it can (een seen rom proced&re low4 / dierent sit&ations can (e identiied rom RTWP c'artC -

One carrier has high RTWP o

-

One branch has high RTWP o

-

@s&ally t'is is t'e res<s o narrow (and e8ternal intererence on t'e carrier and &rt'er analysis can (e done (y scanning R reG&ency rom 1MT tools ER FreG&ency scan &nction , t'is tool will s'ow impacted spectr&m range or reporting to 03M0,

@s&ally t'is is res< o wrong connection )pl&m(ing error+ or wrong TM0 and parameters setting or atten&ation, For analyses t'is4 it is important to make s&re TM0 is OFF and atten&ations are set to Hero4 so any dierence in (ranc'es will (e t'e res< o connection error in t'e site )internal o e8ternal error+

!! carriers and branches be!ong to sector ha"e issue o

o

o

Wide (and e8ternal intererence 5ntererence rom 2=.. in case @=.. and intererence rom @<#. in case @=.. Str&ct&ral iss&e like e8istence o e8ternal o(*ect in t'e ront o antenna or any kind o antenna a<y,


-ersion .,%

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0s it can (e seen rom t'e c'arts4 dierence (etween main and diversity is d(m or t'is cell w'ic' is t'e res<s o wrong setting, Setting related to atten&ation availa(le in command E1ST RAR0N37

#ow R!"P is t'e res< o mainly wrong setting as well as pl&m(ing iss&e )a<y splitter4 TM04 disconnected *&mper and so on+ in t'e site,

For 1ow RTWP iss&e t'e irst step is to monitor (ot' antenna (ranc' or t'e cell and compare RTWP level (ot' period o time,

7ere is t'e e8ample o cell wit' (ot' antenna (ranc' RTWP level i8ed to ""%d(m d&ring all 'o&rs


-ersion .,%

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Main reason or t'is kind o (e'avio&r is connection iss&e as well as TM0 a<y, Monitoring -SWR alarm in t'e same time will give (etter idea regarding eliminating connection loss reason as (ot' (ranc' act in t'e same way4 and t'e site is carrying traic wit' very 'ig' drop4 so TM0 a<y will (e 'ig'lig'ted ,For t'is speciic e8ample as it can (e seen Mean 4 Ma8 and Min val&e or RTWP is same and t'is implies (ot' (ranc' 'ave t'e same iss&e and t'is cannot (e d&e to connection loss as or t'is speciic e8ample t'ere is no -SWR iss&e4 so 'ig' possi(le reason can (e TM0 a<y,

For some o site low RTWP come rom wrong conig&ration as diversity s&pposed to (e in non$operation mode )e,g, 5A3 cells+, For t'is kind o cells4 diversity (ranc' rom 1MT RTWP monitoring will (e displayed as i8 $""% or $""#d(m and main (ranc' wit' varia(le RTWP, Filename: Day to Perormance Management ! Optimisation Date modiied: "#$May$"%

-ersion .,%

Note: Not or &rt'er distri(&tion and )s&(*ect to alternate agreement+ t'at NSN doc&ments Page "< o /" reerenced in t'e Proced&res Man&al remains NSN property,


-ersion .,%

Note: Not or &rt'er distri(&tion and )s&(*ect to alternate agreement+ t'at NSN doc&ments Page "= o /" reerenced in t'e Proced&res Man&al remains NSN property,

/,/

0ctions ! O&tcomes

Klikely outcomes and changes (parameter, tilt, etc.) that can be made to drive optimisation>


-ersion .,%

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Tracking

Kwhere changes need to be tracked, Opti Tracker, etc.>


-ersion .,%

Note: Not or &rt'er distri(&tion and )s&(*ect to alternate agreement+ t'at NSN doc&ments Page %" o /" reerenced in t'e Proced&res Man&al remains NSN property,

9,

3overage 0nalysis – P37R 0nalysis

Khigh level view of pilot pollution causes.


-ersion .,%

Note: Not or &rt'er distri(&tion and )s&(*ect to alternate agreement+ t'at NSN doc&ments Page %% o /" reerenced in t'e Proced&res Man&al remains NSN property,

9,"

Tool 0ccess

KHow and where to access the tool and how to activate the relevant modules>


-ersion .,%

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9,%

0nalysis

KHow to conduct the analysis, what to look for, symptoms, evidence>


-ersion .,%

Note: Not or &rt'er distri(&tion and )s&(*ect to alternate agreement+ t'at NSN doc&ments Page %9 o /" reerenced in t'e Proced&res Man&al remains NSN property,

9,/

0ctions ! O&tcomes

Klikely outcomes and changes (parameter, tilt, etc.) that can be made to drive optimisation>


-ersion .,%

Note: Not or &rt'er distri(&tion and )s&(*ect to alternate agreement+ t'at NSN doc&ments Page %# o /" reerenced in t'e Proced&res Man&al remains NSN property,

9,9

Tracking

Kwhere changes need to be tracked, Opti Tracker, etc.>


-ersion .,%

Note: Not or &rt'er distri(&tion and )s&(*ect to alternate agreement+ t'at NSN doc&ments Page % o /" reerenced in t'e Proced&res Man&al remains NSN property,

Reerences Provides reerences to ot'er doc&ments or processes applica(le to t'is proced&re, Optionally provides reerences to s&pplementary doc&ments t'at s&pport or provide additional inormation to make t'e Proced&res doc&ment eective,

Reference


Detail

-ersion .,%

Note: Not or &rt'er distri(&tion and )s&(*ect to alternate agreement+ t'at NSN doc&ments Page %; o /" reerenced in t'e Proced&res Man&al remains NSN property,

Deinitions>2lossary T'e ollowing introd&ces some o t'e terms and acronyms &sed in t'is doc&ment: M$P

Managed Service Providers

%NOC

2lo(al Network Operations 3entre

VHA

-odaone 7&tc'inson 0&stralia

PM

Perormance Management

!#

5normation Tec'nology 5normation 1i(rary

VA$

-al&e 0dded Service

RAN

Radio 0ccess Network

M!!R

Mean Time To Repair

NPO

Network Planning ! OptimiHation

RC RA$C

Responsi(le4 0cco&nta(le4 S&pport4 3ontri(&te4 5normation


-ersion .,%

Note: Not or &rt'er distri(&tion and )s&(*ect to alternate agreement+ t'at NSN doc&ments Page %< o /" reerenced in t'e Proced&res Man&al remains NSN property,

0ppendices TM configuration guide!ine ReG&ested tools and inormation to perorm TM0 conig&ration: $

0ccess to NodeA 1MT

$

Site detail design ile

$

MM1 command access

Setting o atten&ation and power switc' or TM0 is (ased on site STD and any miss$matc' (etween STD and acta&l conig&ration may ca&se perormace iss&e or alarm generation, TM0 &nit (ased on STD power &p rom connected R@ or %2 R@ or e8ternal so&rce, T'is operation will e8plain t'e setting or dierent sit&ations, #$ R%& "$ 1og in to NodeA 1MT and start monitoring RTWP or speciic (oard, %$ R&n command E1ST 0NT?NN0PORT to make s&re 01D power switc' is OFF or (ot' ports in R@

/$ R&n 3ommand E1ST RAR0N37 to make s&re all atten&ation parameters val&e is . or all ports

9$ Record t'e val&e or RTWP or (ot' ports rom 1MT RTWP monitoring window, #$ T&rn ON power swit' (ased on site STD )only one port power needs to (e set to ON or most o TM0 type+, $

Monitor RTWP or any step c'ange, T'e delta val&e (etween RTWP val&e (eore activation and ater is t'e gain o TM0 in R@ port w'ic' will 'elp to set acc&rate atten&ation val&e, 5 step c'ange in RTWP o(seved go to step ""

;$

5n case no step c'ange is o(served4 t'is can (e t'e res<s o wrong


-ersion .,%

Note: Not or &rt'er distri(&tion and )s&(*ect to alternate agreement+ t'at NSN doc&ments Page %= o /" reerenced in t'e Proced&res Man&al remains NSN property,

implementation o site vs, STD or TM0 a<y, <$ 1ist alarms in site and c'eck or alarm n&m(er %#/. and %#/",in case o TM0 a<y or wrong activating o power rom wrong port4 t'ese alarms will apear in t'e list,

=$ T&rn OFF port again wit' command S?T 0NT?NN0PORT and activate or t'e ot'er port in R@ and perorm all steps rom n&m(er , ".$ 5n case non o port in R@ can create step c'ange in RTWP4 trying to power &p rom %2 R@ will 'elp to identiy t'e iss&e)pra(a(ly wrong conig&ration+4 ot'erwise site visit is needed to rectiy possi(le iss&e, T'is operation is terminates 'ere, ""$ Set ports atten&ation (ased on t'e val&e o step c'ange in RTWP wit' command EMOD RAR0N37 and parameter E0TT?N , please note steps are .,#dAM, "%$ RTWP val&e m&st (e red&ce (ack to t'e val&e (eore activating TM04 ine t&ning o parameter E0TT?N is needed ot'erwise, "/$ Monitor alarms in t'e site, "9$ 0tten&ation setting is needed or ot'er antenna (rac'es are s'aring t'e same antenna system, T'is can (e identiy rom siteLs STD,

'$ R% Depends on TM0 type 4 2SM (ypass or not4 t'e TM0 setting may vary, For 2SM (ypass TM0 w'ic' is t'e most common setting4 t'e proced&re will (e: (- Open 1MT o /2 cell w'ic' will &se TM0 and monitor RTWP, '- Make s&re TM0 power is OFF or /2 R@ )c'eck step % and / o proced&re or E/2 R@ mentioned a(ove+

3- Make s&re TM0 power setting is OFF rom %2 R@, @se command E1ST ATSR@AP and c'eck parameter E ANT_A ALD Power Switch” or “ANT_B ALD Power Switch “ 4- Make sure TMA attenuation is 4 for 2 !" with co##an$ “LST BTS!%"BP” an$ &ara#eter “Antenna Tri'utar( ) *actor “ +- Tune ,N TMA &ower '( settin “ANT_A ALD Power Switch” to ,N an$ #onitor !T.P for 3 ce// an$ o'ser0e an( ste& chane in !T.P1 - Set attenuation settin &ro&er/( 'ase$ on ste& chane in !T.P an$ a&&/( to 3 !" as e&/aine$ in ste& )) of &roce$ure for “3 !"” Filename: Day to Perormance Management ! Optimisation Date modiied: "#$May$"%

-ersion .,%

Note: Not or &rt'er distri(&tion and )s&(*ect to alternate agreement+ t'at NSN doc&ments Page /. o /" reerenced in t'e Proced&res Man&al remains NSN property,

RTWP-OptimisationHanFeedback

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