AJIT KUMAR
5G/LTE RF Optimization
Huawei Technologies CO. LTD
Contact No: +91-9102335131 (India) / +965-65744625 (Kuwait)
Location: Kuwait city.
E-mail Id: [email protected]
Summary
Radio Network professional, 11 years of working experience in GSM, UMTS, LTE, and 5G platforms. Proven experience in the field of RF Optimization .worked as a Team member and taking care of overall Project Execution.
Professional Profile
· Working on 5G Technology like Massive MIMO (64T/64R), 32T/32R (Soft Split and Hard Split) Solutions &Antenna Beamforming features.
· Performance management, Optimization, Network Planning, Capacity management, Implementation & Operation
Of All technology.
· Worked in cross-functional and multitasking rapidly changing work environment with vendor as well as Network Operator.
· Hands on Experience on Ericsson/Huawei RNO tools knowledge Business object,WinFOIL,U2000,PRS,SPI,
Omstar & WebLMT.
· Maintaining Network KPI’s by Analyzing Daily statistics & Reports.
· Swap Network Performance Optimization (Pre & Post swap) & KPI Monitoring.
· Parameter Audit & Physical optimization for cluster/network level.
· Analyze log files collected by DT engineer & Fine Tuning parameters for KPI improvement also to improve the performance of Worst cells in the Network as per Daily analysis.
Technical & Tools Exposure
§ Huawei & Ericsson OSS Tools: U2020, Win FOIL, Business Object, U2000, PRS, Naster, WebLMT, Omstar.
Data Processing Tools: Actix, Nemo, TEMS Analyzer, TEMS Discover, Genex Probe & Assistant.
MapInfo, MCOM
Work Experience
1. Project Period: Sep 2018 To till date (Ooredoo-Kuwait)
Title : LTE / 5G RF Optimization
Activity : LTE Expansion & 5G rollout Project- HUAWEI
RESPONSIBILITIES:
· Responsible for LTE Expansion & 5G sites SSV acceptance.
· Responsible for 5G parameter Audit & KPI monitoring.
· Troubleshooting 5G throughput issue, signaling issue, attach failed, no internet & Handover issue.
· Responsible for LTE KPI acceptance.
· Responsible for 5G Customer complaint handling & Optimization.
· End-to-End responsibility of optimizing user experience.
· Responsible for the acceptance report as per the customer’s requirement.
· Working on pre 5G Technology like Massive MIMO (64T/64R) & different Sub carrier spacing.
· MLB strategy for load balancing between LTE layers.
· High PRB utilization cells identification and action plan accordingly.
· Finalizing the Acceptance KPI in discussion with the Customer.
· To interact with customer to understand their requirement, issues, complaints and take appropriate action on prompt basis.
· Responsible for technical discussions with the customers for day to day optimization activities to improve high level indicators viz. Accessibility, Retainability, Usage, Mobility KPI for LTE network.
2. Project Period: Feb 2016 To Sep 2018 (Huawei Kuwait)
Title : LTE Optimization
Activity : NPM & Network Swap (Ericsson to Huawei)
RESPONSIBILITIES:
· Responsible for Cluster Report and their Presentation along with Single Site Report and Benchmarking Report for the Acceptance.
· Responsible for Troubleshooting the low-throughput issues and provide Solution to resolve these issue and Confirmed the result from pre and Post Drive test Activity.
· Responsible for LTE KPI discussion on Drive Test KPI’s and Performance.
· Single Site verification and Cluster optimization of LTE Sites.
· Responsible for Parameter audit of LTE Clusters.
· Responsible for PCI and RSI audit of Cluster and tuning of PCI and RSI to Increase Minimum re-use distance.
· Perform cluster optimization. Troubleshoot 4G drop, HO fail (S1, X2, Inter, Intra freq) and suggest changes to improve the KPI’s. Suggesting changes to reduce the Interference.
· Responsible to Maintain the DL Quality of Cluster in each Phase with the help of Parameter crsgain(deboost), and Suggesting Physical Optimization on site such as E Tilt/M tilt, Azimuth Change etc.
· Analysis of RRC Set up fail, RRC Drop, CSFB Failure and Handover Failure in Layer 3 message on Actix Tool with Justification and Proper Suggestion.
3. Project Period: Dec 2011 To Dec 2015 (Huawei- LCC Kuwait)
Title : LTE RF Engineer
Activity : Optimization & Performance
RESPONSIBILITIES:
· Check LTE KPI’s RRC success rate, paging success rate, Handover success rate, Drop call rate, Erab Success rate , DL/UL Volume data, Max UE TX power rate etc.
· Check the KPI, Performance monitoring & Optimization.
· Daily Dump processing and analysis of Parameter Checking, VSWR Alarm (Major Alarm) checking.
· LTE Optimization of cluster activities & SFT with respect to the Abnormal Rel. RRC Reconfiguration, TA Updates, RRC Setup, PRACH Issue, DRB Issue, RACH Degrade, CSFB, Overshooting Issue, RSRP, Throughput issue, SINR, Handover and Neighbors relations. Primary verification of drive data and taking necessary corrective measures, like Neighbor addition and deletion and interference analysis.
· To Recommend Tilt, Power Reduction or Give TA Based Handover in Case of Overshooting Scenario.
· Managing the DT team and performing sanity check on Drive Test data to ensure the data collected is satisfactory, work out solutions to improve the Drive Test KPIs.
· To Looks Reports on Alarms, Statistics, Database, Handover Failure and Solve RF issues accordingly.
· Daily 4G KPI(such as RRC Success rate, ERAB Drop rate, Cell Availability, RACH Setup Success rate, HO Success rate) monitoring on Cluster Level.
· Developing processes for Daily, Monthly Network Reports and Benchmarks.
· Communicating with other teams (Wireless, Implementation, and Transmission etc.) to make sure the work process is going smoothly.
4. Project Period: Feb 2011 To Sep 2011(Mumbai-Huawei)
Title : RF Engineer
Activity : 2G Optimization
RESPONSIBILITIES:
· Analysis for worst cells based on Drive test and OSS KPI’s for coverage and KPIs improvement.
· Analyze the test log for signal strength, interference, coverage lacking, handover decision improvement, neighbor cell relation, cell selection/reselection for GSM.
· Drive log analysis from Probe drop call test, preparing log file, Call testing, long call, short call testing, sector swap testing.
· Major Dump includes Cell level, Trx, 2G Frequency & RNP Data.
· Creating various Templates for analysis using various Counters used for Call Drop Measurement, Traffic volume, MR outgoing Cell-to-Cell HOSR, TCH availability and all others as per requirements.
· Preparation of 2G drive test SCFT & Cluster report.
· Traffic and Capacity prediction and analysis.
· Preparation reports of Rx rev, Rx qual., event plots (call drop, blocked call, HO failures).
· Optimization of network & Pre drive, Post drives cluster.
· Analyze the 2G Drive test logs analysis from Probe drop call test, preparing log file, Call testing, long call, short call testing, sector swap testing.
5. Project Period: March 2010 to Jan 2011 (Maharashtra/Kolkata – NSN/ZTE)
Title : RF Engineer
Activity : 2G/3G Optimization
RESPONSIBILITIES:
· Optimization of UMTS sites based on Coverage RSCP, Qualities/Io, Pilot pollution.
· Analysis of Drop Calls, Handover – CS & PS (Soft, Softer and Hard), CS & PS IRAT Handovers of U2G.
· Primary verification of drive data and taking necessary corrective measures, like Neighbour addition and deletion and interference analysis.
· Evaluating and analyzing Pilot Coverage, CPICH, RSCP, Ec/Io, pilot pollution & Accessibility.
· Pre and post launch Optimization of the network .Optimizing the Cell by drive test, antenna tilts, and antenna orientation changes.
· Verifying and taking necessary actions on recommendations for top cells.
· To find the causes of the call drops blocked calls, handover failures, excessive handovers, poor quality, poor C/I, interferences etc.
· Providing necessary recommendations for issues identified during benchmark drive test.
· Analyze the test log files with TEMS 10.0.5, as well as checking Voice call, Video call, SMS, HSDPA.HSUPA, Soft/Softer handovers.
· FTP test for both HSDPA and R99 (UMTS) and to verify the Download Speed on both the Technologies
· To Check the Pilot Pollution with the Scanner and to verify the Areas with more than three Active set in the reporting Ranges and suggest the necessary Physical changes that are need to be made.
6. Project Period: June 2009 to Feb 2010 (Bihar- NSN)
Title : 2G RF Engineer
Activity : 2G Optimization
RESPONSIBILITIES:
· Actively involved in SCFT and Cluster Optimization.
· To Fulfill Customer Requirements Regarding Coverage & Optimization Point of view.
· To Suggest DT Team about Physical changes on site. Preparation of SCFT & Cluster Drive report using TEMS Post Processing, major Parameter includes Rx Lev (Idle & Dedicated), Rx Quality, C/I Average, BCCH ARFCN & Cell ID plot.
· Involved in Optimization Team Management, Data logs analysis from Drive Test Measurements using TEMS 10.0
· Daily Analysis of BSC Dump for finding Discrepancy In Network if exists which includes in Parameters like BCCH,BSIC,Frequency Hopping so as to make optimum use of this parameter and avoid interference to Design better network.
· Interference analysis Co-channel and Adjacent Channel for Rectifying neighbor discrepancies & adjacent Co-BSIC and missing neighbor to improve HOSR.
· Analyzing TA report to find out Overshooting cells & provide solutions for the same which may include Antenna Down tilting, Azimuth Change Etc & Analyzing BBH report to know about Traffic (Erlang) Utilization, Radio Configuration & Major KPI stats to implement required changes in Network physically & logically as well to achieve Desired KPI value.
Addition Information:
Academics
Degree / Diploma
University / Institute
B.E (Information & Technology)
Rustam Ji Institute of technology, Gwalior (M.P)
H.S.C(12th)
Vivekananda Higher Secondary School, Gwalior.
S.S.C (10TH)
Kendriya Vidyalaya No.1 Gwalior
Computing Skills
Area
Skills
Language
C,C++
Software
MS Office, Excel
Personal Details
Father’s Name : Jai Prakash Rai
Date of Birth : 04-Aug-1985
Nationality : Indian
Marital Status : Married
Passport Details : M6711520 Date of Expiry- 01/06/2025
Mobile : +965-65744625
Current Location : Kuwait
Declaration
I hereby agree that all the details mentioned above are true to the best of my knowledge.
Date: Ajit Kumar