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Pre-Post Drive Test for Drop Call & Weak Patch– CDMA

Alcatel Lucent Managed Solutions India Pvt. Ltd

Post-Ec/Io Poor EC/IO & Call Drop: Location- Karya Road

Observation: Poor EcIo Plot and Call DropAnalysis: During pre drive site Nonapukur Tram depot was fluctuated due to power issue.Action Taken After restoration the Nonapukur Tramdepot site we have re-driven the route.No call drop observed and EcIo also improved.

Drop Call

Pre - Ec/Io

MOS Plot

Post Ec/Io Poor MOS value, EC/IO & Call Drop: Location- Makardah

Observation: Call Drop , Poor EcIo & Poor MOS value at this location. .Analysis: During Pre drive the site Makardah was fluctuated due to power issue.Action Taken: After restoration the Makardah site we have re-driven the route.No call drop observed.MOS value as well as EcIo also improved.

Drop Call

Pre-Ec/Io

Pre-EcIo Post- Ec/Io Poor EcIo: Location- ShankhNagar

Observation: Poor EcIo & Call Drop.Analysis: During Pre Drive the Shankhanagar site was fluctuated due to High Temperature issue.Action Taken: After restoration the Shankhanagar site we have re-driven the route. No call drop observed and EcIo also improved.

Pre EcIo Post-EcIo Poor MOS value, EC/IO & Call Drop: Location- Jaffapur

Observation: Poor MOS value and EcIo.Analysis:During Pre drive the site Jaffar pur was fluctuated due to power issue. Action taken: After restoration the Jaffarpur site we have re-driven the route. No call drop observed .MOS value as well as EcIo also improved.

Call Drop

Mos Value

Poor EC/IO & Call Drop: Location- Sainik Nagar

Call Drop

Observation: Call Drop , Poor EcIo & Mos Value .Analysis:During pre drive EcIo and MOS value was poor due to T1 and T2 alarm at site Sainik Nagar’s Gamma Sector. Action Plan: Re-drive carried out after removing the T1 and T2 alarm of site SAINIKNAGAR. No call drop found.

Pre-EcIo Post-EcIo

Poor EC/IO & Call Drop: Location- Near Singur Area

Call Drop

Observation: Call Drop and Poor EcIo.Analysis: Call Drop and poor EcIo at this location as poor coverage area.Near by Sites Singur is 5.1KM and Bhusan is 6.8KM away from circled patch area.Hence New site is required to improve coverage .Dependency: RCOM

5.1Km

6.8Km

8

Poor EC/IO & MOS Value: Location- Near Howrah Mayapuri

Observation: Poor EcIo and MOS Value at this location.Analysis: During pre Drive poor EcIo and MOS value observed as the serving site Howrah Mayapuri Cinema having Hardware Alarm (AFT Issue). Action Taken: Re-Drive will be carried out once the H/W alarm removed.

Pre-EcIo

All Rights Reserved © Alcatel-Lucent 2006, #####

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Alcatel Lucent Managed Solutions India Pvt. Ltd