Abhilash K U Email and Phone Number

Playing a role of Test Architect at Nokia for GSM Legacy and Cloud BSC products.Key role in requirement/implementation specification reviews, I&V estimation and coordinating test planning activities of new features, defining test strategy for features and RCA/EDA for customer faults.

Test Suite Development for 4G LTE NetworkDuration: 6 monthsWipro LTE Test Suite development based on 3GPP specs.Responsible for designing LTE end to end use case scenarios related to EPC Session Management and Policy Control, Charging (PCC) and Cell reselection scenarios of eNodeB.Designed a good number of comprehensive test cases for LTE attach, default bearer activation, dedicated bearer activation, IP can session establishment, Policy and QOS handling.Acquired good knowledge on NAS protocol layer messages such as attach, attach accept, detach, PDN connectivity request, Activate dedicated EPS bearer request, Activate Default EPS bearer context request and message IEs.Design activities include eNodeB call processing steps, RACH procedure using preambles, RRC connection establishment, UE attach, UE detach, S1 release and bearer setup procedures.Design experience on cell reselection scenarios such as Intra frequency, Inter frequency and Inter-RAT cell reselections.Nokia BSC Functional Testing ProjectDuration: 4 YearsCoordinated and participated in customer review meetings of key BSC features in S15, S16, S16.1 NSN BSC releases.Involved in test case Estimation, Planning, Designing and execution activities of BSC interfaces.Involved in test planning activities of S15 RG20 release Features like Orthogonal Sub Channel (OSC), Packet Abis over Ethernet, Local Switching for packet Abis.S16.1 RG30 features MOCN , VSWR and RSSI Measurement, Node Level PM Measurement.Successfully taken the Q3 testing competency from Finland and carried out testing in Kochi.Worked on GSM Packet Core Unit testing, admission Control, Packet Scheduling, GPRS/EDGE Territory Upgrade / Downgrade.Hands on experience on NSN BSC, BTS, NSN Netact Tester (OSI Tester) equipments.Sound knowledge in Functional Testing areas of BSC OSS Interface, BSC Trans coders and BSC PM Measurements.Test case log analysis, bug reporting in Pronto tool and updating cases in Quality Centre (QC).

Wire line Switch Configuration & Network ManagementDuration: 6 monthsTier-2 support of Configuration & Network Management of US Client – LEVEL3.Worked on Lucent 5ESS & Nortel DMS Wire line Switches.Ticket Handling and Trouble shooting of customer Trouble Tickets.

Operation and Maintenance Vodafone GSM NetworkDuration: 2 Years + 8 Months Nokia Off role ( Kelly Services)Worked on NOKIA 3G MSS, Media Gateway IPA2800, NOKIA HLR & NOKIA DX200 GSM Switch.Configuration & Integration of NOKIA MSS in Kerala.GSM protocols & Architecture.Change Delivery Loading in MSS, MSC & Mediagateways and Assisting Software upgrades in MSCs. Creation of Signalling links & Augmentaion of various PoIs. Co-ordinating Acceptance Testing with BSNL & Other Private Operator PoIs.Routine Backups & Daily Health Checking of MSC & HLR. Announcement loading in MSC.Implementing routing changes, new services & connectivitys in MSS & MSCs. Traffic Optimization, KPI improvement in the GSM Network.Key role in MSS & MGW integration.

Worked on CDMA ERICSSON MSC- AXE 810.Operation and Maintenance, Fault observations, Trouble Shooting of AXE-10.Monitoring and Handling of various APZ/APT Alarms.Member of the Switch Planning team for Kerala Network. Creation of Trunk Groups and the Signaling Links for the Point-Of-Interconnects with BSNL TAX and Tandem, with NLD & ILD operators like VSNL & BTSOL and with other operators like Airtel, Idea, Escotel, BPL & RIL.Creation of Charging Matrix for the various Poi’s and the Routing Codes Implementation of Routine Back-Ups and Routine Health Checks of MSC Preparation of SDCA Tarifftable for Fixed services & Creation of NLD routing Matrix in switch.Generation of the Traffic reports and various other Network parameters, and coordinating with the Network planning department Analysis of the switch and the trunk group reports, and troubleshoot system level problems with minimum downtime and implement the corrective measures.APG40, CDR , System Backups