Dhaval Maru

Experience

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  Teleysia Networks (I) Pvt. Ltd.

  Dec 2013 - Aug 2014

  Rf engineer

  • handling performance related activity of bss and customer complaints.• analysis of gsm sites drive plots to identify poor performing area optimization of cell to improve performance kpi.• cluster optimization drive-test of gsm network.• to study drive test report and then decide on physical optimization of sites so as to improve network quality.• guide field of team engineers so as to remove alarms and smooth functioning of sites.• optimize antenna in way to balance traffic & addition of trx if require to relief cell load.• to plan new bsc’s as per requirement, looking at present utilization and new plan for upcoming sites. • indoor coverage planning for providing coverage in malls, multiplex, hospitals etc. show less

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  Nokia

  Sept 2014 - Feb 2018

  Rf optimization engineer

  daily monitor and maintain network performance kpi of tch assignment success rate, tch & sdcch drop rate, tch & sdcch blocking, rx quality & handover success rate.• frequency planning & optimization (by using tool & manual) to improve performance.• parameter tuning for improvement of kpis.• handling performance related activity of bss and customer complaints.• analysis of gsm sites drive plots to identify poor performing area optimization of cell to improve performance kpi.• cluster optimization drive-test of gsm network.• benchmarking of town analysis, trai drive test analysis• to study drive test report and then decide on physical optimization of sites so as to improve network quality.• guide field of team engineers so as to remove alarms and smooth functioning of sites.• identify and rectify kpi degrading problems with analysis of bss radio performance report.• optimize antenna in way to balance traffic & addition of trx if require to relief cell load.• indoor coverage planning for providing coverage in malls, multiplex, hospitals etc.• traffic and capacity planning for network.• to guide planning team to relocate / shift site to utilized target. show less

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  Reliance jio infocomm limited

  Feb 2018 - Aug 2021

  Assistant manager

  daily monitoring worst performing cells for new onair sites & existing site of main lte kpis sssr, rrc success rate, rab success rate, volte drop rate, hosr, rssi, dl/ul throughput & analyze the causes of problematic issues, and apply extensive optimization techniques with the use of oss/drive test logs/kpi reports/ mapinfo and kml file & jio coverage platform.• accessibility kpis: sssr success rate, rrc success rate, rab assignment success rate, prb utilization.• retain-ability kpis: rrc drop, volte drop, packet loss, voice muting.• mobility kpis: hosr, x2 ho fail, s1 ho fail.• responsible for maintain jio center network availability with help of te & backhaul part.• performance analysis of ho for multiband (specially 3 band 2300/1800/850), sinr, interference issue, separately check the traffic pattern for all band as per coverage.• fetch the daily and hourly kpi report from mycom tool or lsmr tool for monitoring & troubleshooting the root cause of accessibility, retain ability and mobility degradation and propose the recommendation.• good at oss; using lsmr to change or view managed objects.• with help of jc portal tool & true call find out the issue of particular enodeb & particular handset.• plan new indoor/outdoor technology of small cell where we get poor coverage area.• maintain, monitor & optimized the kpi of indoor/outdoor small cell with help of netspan tool.• plan new wi-fi location & implemented successfully as per public hotspot or education area.• successfully closed rfi, rfc, atp, scft, clot for all new sites. show less

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  Vodafone Idea Limited

  Aug 2021 - Apr 2023

  Manager rf

  designing layer management settings for lte/volte – fdd, lte/volte – tdd for balancing traffic between layers and ensuring layer are properly utilized.• advanced testing after software upgrade in nokia. (21r2 to 22r2)/feature test as well.• designing ca (carrier aggregation) and set good architecture to cover >25% of ca traffic with volte service without impact of volte service.• integrating & scripting for new node configuration + new feature testing.• entire network level harmonization scripting for all layer including features & parameter.• ensuring volte call quality is maintained by analyzing and optimizing mute gaps, audio breaks • working on network parameters and physical tuning for improving cqi, rank indicator & modulation scheme distribution for better throughput and perception.• in depth knowledge of lte network architecture/volte architecture with protocols• 5g overview, architecture, frame structure, functionality of every nodes. t-ran/o-ran• concept of ims singling for volte call flow. call captured cause code analysis (487/503/997)• a1, a2, a3, a5, b1, b2 – lms mapping strategy with hysteresis + qci based offset setting• good at oss; using netact planner and nas to change or view managed objects.• srvcc handover analysis through mme level and optimized rnc or lac-tac wise bifurcation• tems logs & layer messages analysis for more drive kpi improvement• mobility: responsible for 4g-2g, srvcc handover preparation/execution success rate• l1/l2/l3 msg’s troubleshooting. show less

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  Airtel

  Apr 2023 - now

  Quality lead

  📡 quality lead | airtel as a results-driven quality lead at airtel, i led technical initiatives to elevate network performance, specializing in optimizing critical performance indicators (kpis) essential to telecom excellence. my expertise spans the meticulous management of accessibility, retainability, integrity, mobility, and other pivotal network parameters.🛠️ technical proficiency:accessibility enhancement: spearheaded initiatives to fine-tune network accessibility, ensuring seamless user connectivity and reduce access failures. analyses cell level dip & corrections. fine tune parameters to resolve the issues. event handling & sustain cssr above the defined threshold.retainability optimization: devised strategies and protocols to minimize call drops, fortifying the network's retainability and user call continuity i.e volte drop & ps drop. throughput augmentation: engineered solutions aimed at maximizing data transmission rates, significantly enhancing the network's throughput for efficient data delivery via new features trial, weekly iflb, lms tweak on meeting cells. carry out cluster optimization, resolving overshooter cells, cce blocking, cqi optimization, etc.mobility efficiency: orchestrated optimized mobility processes, facilitating seamless handovers and enhancing user mobility experiences within the network. identify tac issues, x2 link issues, late/early ho scenario, s1 failures, interference, pci collision, etc and attempting corrective actions for the sameimproving quality kpis like cqi, sinr, bler to improve network kpisinvolved in trials of new features and it's implementation like: srlq (serving radio link qualification), amlepr (active mode load equalizer), iflba4actlim( iner freq load balance a4 active limit change), autopdcch change, 2g frequency carving for lte, etc.carrying out frequent golden parameter audit and corrections. show less