Kolkata network improvement plan
Kolkata network improvement plan 12-May-2015Slide title70 pt
CAPITALS
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2015-05-12 | Page #2015-05-12 1 Issues highlighted by business cdma
network issues in some pockets cdma call setup issues gsm network
issues in some pockets aircel icr data issues & overall 2g data
issues 3g data issues in some pockets signals vanishing in 3g/2g in
some areas call centre coverage / quality issues - salt lake
areaSlide title 44 pt
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2015-05-12 | Page #2015-05-12 2 cdma network issues in some pockets
cdma call setup issuesSlide title 44 pt
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2015-05-12 | Page #
perspectiveZero Call SitesHW Fault Sites237 Sectors (87 Sites
~20% of total Sites) are in Zero Calls3 Sectors 74 Sites2 Sectors 2
Sites1 Sector - 11 Sites
46 Sites having HW fault / Spares Issues3 Sectors - 352 Sectors
- 01 Sector - 11Slide title 44 pt
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2015-05-12 | Page #
Zero Call SitesHW Fault SitesHST Sites136 Sites have PAC Alarms
Another 30% of total Sites haveHigh Shelter temperature
C2PAM/HEPAM gets hanged which needs soft / hard reset before it
starts taking calls again
AFT/DFT (Fan tray) also goes faulty during high temp
Likelihood of increase in Hardware faultsFurther impact on
customer perception
perspectiveSlide title 44 pt
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2015-05-12 | Page #Cdma hygiene issues
Accessibility & Quality KPIs are badly hit since last few
monthsImpacting Customer Perception in a big waySlide title 44
pt
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2015-05-12 | Page #Illustration of increase in ageing
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2015-05-12 | Page #Alarms clearance
Following alarms clearance is in WIP by filed teamSlide title 44
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2015-05-12 | Page #Cdma dt Activities
done till date & plannedSlide title 44 pt
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2015-05-12 | Page #Kolkata cdma drive test routes
I : Airport To chingrighata II : AIRPORT TO cit Road III :
PARKCIRCUS TO RELIANCE HOUSE
50% routes completed ; balance in wip
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2015-05-12 | Page #
Airport to Chingrighata MTx_Power
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2015-05-12 | Page # Airport to Chingrighata-- Ec/Io
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2015-05-12 | Page # Airport to CIT MTx_Power
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2015-05-12 | Page # Airport to CIT Ec/Io
PATCH-1PATCH-4Slide title 44 pt
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2015-05-12 | Page #
RHK To ParkCircus MTx_Power
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2015-05-12 | Page # RHK To ParkCircus Ec/Io
Patch-2Patch-3Slide title 44 pt
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2015-05-12 | Page #Observation & action planPatch-1Poor
Coverage Patch found near Raja Bazar due to the nearest site
Rajabajar which is declared NOP.
Patch-2Poor Patch found near Ho Chi Min Sarani due to Ho chi min
Sarani Site down due to High temperature issue. - Already escalated
to Frontline Team.
Patch-3Due top Spare issue Beck Bagan is not radiating. This
place is being served by far away site Lords Building. To improve
the coverage we need to resolve the spare issue
Patch-4VIP Kestopur S3 not radiated during Drive Test.- Site
visit and redrive planned. Target date-19th May.
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2015-05-12 | Page #Call Setup time for CDMA Offnet & Onnet call
tested through UXCP signalling trace was found to be approximately
2 Sec which is as per the TEC norms
But this may vary as per various call scenarios like in Roaming,
NLD or being in a poor coverage area
Further ActionablesBesides high nos of sites having HST and HW
alarms being one of the contributors for poor call set up,
following activities will be additionally taken up in next 2 weeks
for CSSR improvement
Diagnosis for 35-70 odd Sites having frequent packet pipe alarms
on daily basis
50-100 Sites having E1 down issues on daily basis
CDMA call set up issuesSlide title 44 pt
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2015-05-12 | Page #2015-05-12 18 gsm network issues in some
pocketsaircel icr data & overall 2g data issuesSlide title 44
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2015-05-12 | Page #GSM dt Activities
done till dateSlide title 44 pt
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2015-05-12 | Page #Kolkata GSMdrive test routes
I : RHK to Bally via CR Avenue, BT road. II : Bally to airport
via belghoria exp.III : Airport to science city via rajarhat
bypass, sec-v. IV : Airport to beckbagan via VIP road, AJC bose
road.
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2015-05-12 | Page #
Patch-7
Patch-6Patch-5Patch-3Patch-8Patch-9Patch-2Patch-1Patch-4coverage
plot- RHK to Bally via CR Avenue, BT road. Bally to airport via
belghoria exp.Airport to science city via rajarhat bypass, sec-v.
Airport to beckbagan via VIP road, AJC bose road.Slide title 44
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2015-05-12 | Page #Patch-3Patch-4Patch-2
Patch-10Patch-11Patch-12Patch-14Patch-15Patch-13Patch-16
Quality plot- RHK to Bally via CR Avenue, BT road. Bally to
airport via belghoria exp.Airport to science city via rajarhat
bypass, sec-v. Airport to beckbagan via VIP road, AJC bose
road.Slide title 44 pt
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2015-05-12 | Page #Observation and action planPatch-1 and Patch-10
: MANIKPUKUR_MANASBHUMI Sec-1st optimization planned for coverage
improvement.Site visit and optimization planned. Target Date 14th
May
Patch-2 and Patch-11 : Previously this area served by TEHGHORIA
site. Coverage patch observed after TEHGHORIA site got NOP.
Optimization not feasible for this area.
Patch-3 : SALTLAKE-CJ-BLOCK-15 optimization planned for coverage
improvement.Site visit and optimization planned. Target Date 13th
May Completed
Patch-4 : SALTLAKE-SEC5-6 and SALTLAKE-EE-BLOCK-19 optimization
planned for coverage improvement.Site visit and optimization
planned. Target Date 13th May Completed
Patch-5 : SALTLAKE-SEC5-NEW-7 optimization planned for coverage
improvement.Site visit and optimization planned. Target Date 13th
May Completed
Patch-6 : SALTLAKE-FE-BLOCK-1, SALTLAKE-IA-BLOCK-17,
SALTLAKE-IC-BLOCK-13 and SALTLAKE-CHARNOCK-CITY-3 optimization
planned for coverage improvement.Site visit and optimization
planned. Target Date 13th May Completed
Patch-7 : Previously this area served by NRS-HOSPITAL-9 site.
Coverage patch observed since NRS-HOSPITAL-9 site is down and
restoration is pending due to Access Issue.
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2015-05-12 | Page #Observation and action plan:Patch-8 :
SALTLAKE-BD-BLOCK-26 optimization planned for coverage
improvement.Site visit and optimization planned. Target Date 13th
May Completed
Patch-9 and Patch-16 : Previously this area served by
LAKE_TOWN_B_BLK site. Coverage patch observed since LAKE_TOWN_B_BLK
site is down and restoration is pending due to Access Issue.
Patch-12 : Quality patch observed since coverage is weak due to
high inter-site distance.
Patch-13 : Previously this area served by RAJA-BAZAR-8 site.
Patch observed after RAJA-BAZAR-8 site got NOP. Site visit and
optimization planned. Target Date 13th May Completed
Patch-14 : Previously this area served by ESPLANADE-25 Sec-3rd
but since this site burnt patch observed. DHARMATALA-26 Sec-2nd
optimization planned.Site visit and optimization planned. Target
Date 13th May Completed
Patch-15 : SURYASEN-ST.2-51 Sec-1st optimization planned for
quality improvement. Site visit and optimization planned. Target
Date 14th MaySlide title 44 pt
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2015-05-12 | Page #Kolkata GSMdrive test routes
I : hesting to joka.
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2015-05-12 | Page #
Coverage plot- Hesting to joka route
Patch-1Patch-2Slide title 44 pt
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2015-05-12 | Page #
quality plot- Hesting to joka routeSlide title 44 pt
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2015-05-12 | Page #post optimization Remark:Patch-1: Optimization
tried but no improvement observed.
Patch-2: Post optimization coverage patch Improved. Pre-Post DT
plot is in trailing
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2015-05-12 | Page #Coverage Patch-2
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2015-05-12 | Page #Kolkata GSMdrive test routes
I : NSC Bose Road II : Ashutosh Mukherjee RoadIII : MG Road, IV
: SC Mallick RoadV : EM Bypass
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2015-05-12 | Page #
Coverage plot- NSC Bose Road, Ashutosh Mukherjee Road, MG Road,
SC Mallick Road, EM BypassPatch-2Patch-1Patch-3Patch-4
Patch-5Slide title 44 pt
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2015-05-12 | Page #
Patch-10Patch-6Patch-7Patch-9Patch-8
quality plot-NSC Bose Road, Ashutosh Mukherjee Road, MG Road, SC
Mallick Road, EM BypassSlide title 44 pt
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2015-05-12 | Page #Observation and action plan:Patch-1 and Patch-9
: FARTABAD site not radiated during drive, so coverage and quality
patch observed.
Patch-2 : On GARIA_MORE Sec-1st and GARIA_GACHTALA Sec-2nd
optimization planned for coverage improvement.Site visit and
optimization planned. Target Date 6th May Completed
Patch-3 : KAURAKUPUR Sec-1st and KOBERDANGA_NORTH Sec-1st not
served properly during drive test. Site visit and optimization
planned. Target Date 7th May Completed
Patch-4 and Patch-8 : BONDEL-GATE-7 Sec-1st optimization planned
for coverage improvement. Site visit and optimization planned.
Target Date 8th May Completed
Patch-5 : Previously this area served by BANDIPUR site, coverage
patch observed after BANDIPUR site got NOP. Site visit and
optimization planned. Target Date 9th May Completed
Patch-6 : TOPSIA-RD-22 Sec-3rd optimization planned for quality
improvement. Site visit and optimization planned. Target Date 10th
May Completed
Patch-7 : PANCHANANGRAM Sec-1st optimization planned for quality
improvement. Site visit and optimization planned. Target Date -11th
May Completed
Patch-10 : PARK-CIRCUS-4-NO.-BRIDGE-19 Sec-3rd optimization
planned for quality improvement. Site visit and optimization
planned. Target Date 11th May Completed
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2015-05-12 | Page #A new Frequency Plan will help improve Quality
further
Kolkata AFP on 12 BSC areas planned in May-June cycle
Pre MR collection activities in progressTRX Grow / Degrow to be
completed by 18-MayKOLKATA AFPSlide title 44 pt
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2015-05-12 | Page #DT of Aircel NW for Data will begin shortly on
all those pockets not carrying EDGE/GPRS to have a better
understanding
Likelihood of high voice utilization which preempts dynamic data
Time Slots in Aircel network in those pocketsAircel ICR DATA
IssuesSlide title 44 pt
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2015-05-12 | Page #3g data issues in some pockets signals vanishing
in 3g/2g in some areasSlide title 44 pt
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2015-05-12 | Page #Orissa 3G network is very high on DataData has
increased from 10TB to >12TB since last 3 monthsOrissa 2 RNCs
having very high CPU Utilization, after module optimization its
reduced up to 70%.Some RCB pairs splitted till now Still having CPU
Utilization 70%.Best Case Module optimization have been done.Best
case Sites rehoming have also been done from RNC 28 to RNC- 29 to
Improve NWA before it was affected due to Multiple Fiber cut.
RNC-28 is 2 way protected after rehoming it has mutilprotection
path.All 3 RNCs are having CS & PS Access failure high due to
maximum sites having CE utilization High.
Increasing trend of high Uplink CE Utilization > 70%160 Sites
have high CE utilization requiring BPC cards to reduce Uplink CE
Utilization.perspectiveSlide title 44 pt
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2015-05-12 | Page #Best cases Sites rehoming
DetailsAffected:-Revenue Loss for RCOMNWA poor Below 50%KPI
Impacting.Plan:-Rehomed both town to RNC-29, NWA, Traffic & KPI
Improved.Issue:-NWA Poor was for RNC-28 (Sambalpur and Burla town)
due to Multiple Fibercut. RNC-28 is 2 way protected. Usually fiber
cut happens between Ranchi- Thorpa, Sambalpur- Sohela, Sambalpur
Sundargarh, Sundargarh- Rourkela.
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2015-05-12 | Page #Pre and Post NWA After Rehome Activity
Completed
PREPOSTAbove trend showing NWA improved at least 50% after
rehomed.Slide title 44 pt
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2015-05-12 | Page #Pre-Post DATA Traffic 24hrs & KPI After
Rehoming24hrs Data Payload Traffic Growth:NBH KPI:
SambalpurBurla Town
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2015-05-12 | Page #
Plot of high ce utilized sites30% Sites (410) have CE>70%
UtilAnother 10% (123) haveCE Util 60-70%
40% of the total Sites carry-69% of total CS Traffic-61% of HSPA
Payload-68% of R99 Payload
High concentration seen aroundCentral KolkataOnly 533 Sites
Gives 8.5 TB out of 14TBSlide title 44 pt
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2015-05-12 | Page #
CS dropStats based on 06-May OSS Data
Of the 1476 Non meeting cells 1018 are LCV
