Guswar Angga

Experience

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  PT Metro Global Services

  Oct 2008 - Feb 2012

  Radio Database Planner & 2G RF Optimization Engineer

  ● Improve daily statistic achievement on cluster and cell level base on KPI target.● Continuous analyzing daily performance statistic and traffic, utilization and subscriber growth in order to foresee capacity expansion.● Perform and maintain daily performance and do statistical analysis based on KPI requirement (HOSR, CSSR, TCH Call Drop, TCH and SD Blocking Rate) in order to meet KPI target acceptance set by customer.● Reporting and change the parameter to improve the network quality such as for interferences, overshoot, bad signal strength, missing neighbor, etc.● Interference analysis, co-channel, adjacent and external interference by planning tool and real network (by drive test).● Traffic Sharing and traffic balancing for all sites in one cluster both GSM and collocated site.● Making KPI Integration Report, Scan CTRX and alarm record for QC submission expand and new site.● Record the daily active alarm for KPI outstanding site and KOR (KPI Order Request) for solving hardware problem.● Review site and making justification also explain to customer for all problem site.● Provide database for new BSC integration.● Provide script for new site, upgrade/downgrade trx, cut over, rehoming.● Provide script changing radio parameter to support optimization team.● Provide script for frequency retune based on RNP request.● Do coordination with project and RNP related with new BSC, new site, upgrade/downgrade trx, cut over, rehoming request. Show less

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  Nexwave Technologies

  Mar 2012 - Feb 2014

  2G & 3G RF Optimization Engineer

  ● Generating Lock Value report for New Site.● Performing consistency check for Neighbour (ADJG, ADJS, ADJI) and parameter base on RNP Report and feature base on BoQ.● KPI Performance monitoring, analysis and optimization (RRC SR, CSSR CS SR, CCSR CS SR, CSSR PS SR, CCSR PS SR, HSDPA Accessibility, HSDPA Retainability, SHO SR, ISHO SR) daily basis to meet KPI target acceptance set by customer.● Handled customer complain to find the root caused and to make the improvement recommendation, including to determine parameter modification required to increase the network quality for 3G Network.● Coordination with RF engineers for cover RF solution (customer complaint handling, user throughput, conventional KPI analysis, RAN optimization, mobile data network optimization, etc).● Obtain the optimum coverage area by changing antenna directional, increase or decrease power, down tilt or up tilt antenna.● Performing monitoring capacity (CE/IuB) and follow up to the responsible division if capacity already congest .● Performing hardware problem identification, analysis and follow up hardware issue to project team.● Handled rehoming 3 RNC (146 NodeB) which consistency check adjacency (ADJS, ADJI, ADJG), WBTS, WCEL.● Daily alarms monitoring.● Generating Daily KPI Performance Report.● Generate and review site acceptance report to customer and also explain to Customer for all problem site like bad performance, worst cell, contour problem, capacity congestion, etc. Show less

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  Ericsson

  Mar 2014 - Apr 2017

  Radio Network Design Engineer

  ● Provided coverage prediction best server and interference plot by Mentum Cell Planner tools for 3G newsite.● Designed scrambling Code Planning in several big city such as Batam, Padang, Pekanbaru and Dumai.● Defined 3G Neighbor for SHO, IFHO, ISHO.● Optimized radio coverage by specifying antenna height, direction antenna, and tilting antenna.● Provided RND and CRQ data to project team as a reference for Newsite, Upgrade 2nd Carrier, Upgrade 3rd Carrier, and Rehoming.● Produced CDR and CDD as database for integration of Newsite, Upgrade 2nd Carrier, Upgrade 3rd Carrier, Rehoming and Newsite LTE.● Provided database for Mentum Planet Tools request from customer.● Provided cell performance weekly, monthly and quarterly report. Show less

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  Indosat Ooredoo

  Apr 2017 - Jun 2020

  Radio Frequency Network Optimization Engineer

  ● Improved KPI and worst cell for all technology (2G, 3G and 4G) in 6 sub cluster area; conducted daily monitoring, analysis, and optimization KPI for all technology (2G, 3G and 4G).● Improved signal level (RSRP), quality (RSRQ), CQI, SINR, EUT and uplink downlink throughput bad spot on Toll Road, Railway and 6 sub cluster by optimized parameter and site audit.● Improved 4G CQI using ASSET Radio & ASSET Design Tools from TEOCO.● Provided good user experience during the events such as Football matches, Eid celebrations, Christmas and New Years Eve without any major degradation.● Supported for rehoming (2G, 3G, 4G), LAC Split, LAC Merge, TAC Split for improvement network without any major degradation.● Improved overall radio network performance by trial and rollout parameters and features recommendation from strategic team.● Achieved traffic balancing and antenna optimization by using physical tuning, electrical tuning, soft parameters, and also avoid overshooting and interference cells. Show less

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  Ericsson

  Jul 2020 - Jun 2023

  Radio Frequency Network Optimization Engineer

  ● Improved KPI (Accessibility, Retainability, Mobility, Integrity) and worst cell for all technology (2G, 3G and 4G) in 5 sub cluster area; conducted daily monitoring, analysis, and optimization KPI for all technology (2G, 3G and 4G).● Improved signal level (RSRP), quality (RSRQ), CQI, SINR, EUT and uplink downlink throughput bad spot on Toll Road, Railway and 5 sub cluster by optimized parameter and site audit.● Improved revenue by identified, analyzed and optimized of zero payload traffic and payload traffic degradation.● Coordinated with regional sales team to improved low revenue site; conducted join outlet visit and provided ad-hoc network solution that led to payload traffic improvement.● Solved the problem of network issue from customer, sales team, retail outlet or VIP complaint using geolocation tools (Covmo from Groundhog) and tracing tools (Niometric & Smartcare).● Provided good user experience during the events such as Football matches, Eid celebrations, Christmas and New Years Eve without any major degradation.● Managed a team of drive tester and rigger to optimized physical tuning that led to improvement of network quality.● Review Single Site Acceptance (SSA) report from partner and do Single Site Optimization (SSO) for newsite which already integrated.● Monitored 3rd party insight (Facebook, Ookla), perform problem identification, analyzing, reporting and improvement.● Performed to audite radio parameters to check inconsistencies in the radio parameters to remove discrepancies refer to baseline parameter, included regularly audit neighbor list relation, correction and optimisation.● Performed to reduce congestion site by propose technical solutions such as network load balancing (vertical & horizontal) by physical tuning, electrical tuning, soft parameter and give recommendation to propose newsite, upgrade bandwidth, add sector and escalate to responsible stakeholder. Show less