Malik Abdullah Email & Phone Number

Redmond, Wa, Us

Ridgefield Park, Nj, Us

Established and managed test plans for new product and software releases (S-MRs, OS-MRs,EMR, DEV Project, Etc.) for Samsung’s wireless devices• Defined test scope as per network and device capability and Create technical strategy toadopt new network feature like (VoNR, NR CA, Network Slicing, Beamforming & Massive MIMO,UL 256 QAM, 5G SA KPI improvement).• Involved in New product introduction projects and Manage end to end project life cycle as perInternal and carrier certification milestones for Samsung’s devices (Flag Ship, A series, Tablet,Watch Models Etc.)• Execute and complete various testing scenarios (EPSFB, VoNR, HO’s, SIP24 Reselection,Throughput Testing, WFC Features, ENDC KPIs performance, SCG & MCG related testing, CDRx,Etc ) by using different chipset logging tools (QXDM, QCAT, ELT, Wireshark) and Networkperformance tool like (XCAL, TEMS, Actix, MapInfo, Etc).• Perform duties as technical SME to introduce the team with emerging technologies like NTN satellite communication, Network slicing etc. Work with all stakeholders to implement and test all user case and service based scenarios to test URLLC, EMBB, MMTC communication and prepare the technical documentation and test procedures as per 3GPP and carrier requirements. • Research on New released network features and UE Implemented features capability as per3GPP latest release and specification.• Working closely with other Cross functional teams (TPMs, CPOs, Carrier Officials & TechEngineers Etc) to debug and resolve the issues in timely manner.• Delivered over 200+ Maintenance Release projects to fix post-launch issues by closelymonitoring customer feedback and reduced customer escalation by 70%

Mclean, Va, Us

• Develop, maintain test plans, test capabilities and capacity of various OEM devices while performing all testing activities including functional, integration, system, regression testing, Network protocol testing (DDA & DDR) in lab environment in order to fulfill carrier Acceptance requirement for our clients• FFI Lab Testing (First field interaction) on EN-DC and SA 5G (FR1 & FR2) network in lab environment. Perform and execute various functionality and network performance testing in AT&T Captive Labs as per latest 3GPP Release.• Troubleshoot, analyze, and recommend combination configurations of CA + NR (NSA) for improvement of throughput, BLER, Handover KPI’s, Cell reselection, DL/UL PDCP Aggregation, CDRX, Leg switch etc. • Perform and Execute many network performance related test case scenarios on different OEM devices on diverse network vendors equipment (Nokia & Ericson Lab)• Logged defects in detailed, understandable, reproducible way, tracking all assigned defects through to closure and interacting with members of Development Team to resolve discovered defects.• Manage a team of Software Protocol test engineers and analysis of RRC, RLC, MAC, PDCP Layer messages using QXDM, MTK logger, QCAT, PCAT, Wireshark etc. and troubleshooting other simulator and system related issues.• Strong fundamentals in Communications Theory and Digital Communication with specific emphasis on Network protocol analysis, Signal Detection and Estimation• Strong understanding of scalability, performance, and reliability aspects• Good knowledge of using Quality Center (QC), JIRA (or other defect tracking tools)

Overland Park, Ks, Us

• Performing RF design implementation and solutions with wireless propagation modeling tools (e.g Atoll, Cell Plan, Planet EV, EDX and Pathloss).• Design point-to-point and/or point-to-multipoint wireless communication links for a statewide wireless network.• Preparation of channel planning diagrams, Capacity planning modules, Mobility management strategies, Coverage analysis, Data traffic analysis by using CBRS band.• Perform Link budgeting, System planning reports, Pre installation survey, site evaluation, path feasibility evaluation, on-site path studies, specification of equipment, antennas, feedlines, and diversity measures.• Lead the team to design, deploy, optimize and maintain the basic performance parameter up to the customer satisfaction standard for upto 500 site.

• Manage and plan the daily work sheet for different on field teams.• Design the master plan and manuals to validate the LAM server calls by using MapInFo tool.• Monitor the basic KPIs to ensure the successful VoLTE calls • Troubleshoot Network problems and gives solution to the teams• Lead the team from the front and accomplish goals in given time

Plano, Tx, Us

• Co-ordinate with field engineers to validate and analyze the 911 LAM server, PSAP live calls.• Troubleshoot different HW/SW issues of field engineer and Recourse management for the team.• Perform drive test and collect engineering parameters data like RSRP, RSRQ, SINR, and PCI while performing E911 testing using mobile based application.• Analyze radio conditions on different layers EARFCN (L800, L1900, L2500) of Volte and perform coverage management on the field.• Accomplish PSAP, LAM server stationary testing and live calls to E911 to get accurate MSISDN, GPS co-ordinates (etrex 10), Cell ID, PCI for the pin point location of any immediate action.• Plot everyday strategy by using MapInfo and pin point the Cascade ID by means of Microsoft Streets & Tips• Analyze data and making reports on daily basis by using Excel and MapInfo tool.• Managed and discuss all data to RF LEAD to ensure all testing’s have performed and passed.

Islamabad, Federal, Pk

• Evaluate Coverage problems and requirements for Coverage and capacity cells• Analyzed of propagation maps with tools like Atoll for site candidate comparison, propagation, coverage review and selection.• Review cell site and design for Upgrades/modification. Design marco sites in urban, sub urban and rural area.• Developed of script in VBA and python to automate some task.• Create site design in RFDS and complete plumbing diagrams. Perform radio engineering evaluation for system planning and acquisition.• Configure and optimized the Triband filter to reduce interference.• Coverage and capacity optimization on Triband capable macro sites.• Monitors statistical network performance, data collects. Processed and reviewed drive test data (TEMS, Wind-Catcher). Worked with the operations team to troubleshoot cell sites and related network problems. Utilizing Real Time KPI Tools (RSSI, VSWR, MIMO)• Addressed customer and employee complaints received through Information Analyzer and works with other RF Engineers to evaluate and resolve the issue• Provided engineering support to Sales Team for our customers by responding to customer and employee network related complaint.• 4G Cluster optimization and new sites test follow up (SFT). Identify worst cells and provide solutions for improvement.• Conduct Daily Performance KPI Report.• Neighbors planning and scripts preparing for new sites.• Check Daily KPIs and optimize clusters: Poor Coverage Areas ,Pilot Pollution, Handover problems Load sharing, Solve all throughput (DL & UL) problems, Overshooting problems, Check HW issues, PCI collision & Pollution, RRC Setup Fail.• Analysis and optimization for 3G/4G RF parameters by using Actix spotlight, Nemo analyzer, Genex Probe, Genex-Assistant and MapInfo applications.• Analysis and troubleshooting for 3G/4G RF parameters. Real-time monitoring for a UE by IMSI and Cell monitoring for Throughput

• Responsible for leading all RF Planning & Optimization of for Pre-launch• and Post launch activities and setting up KPI process• Collaborated with design Engineers as well network construction and implementation team to identify suitable location for infill cell site s to improve network coverage and customer experience.• Identified pilot pollution and took corrective action such as reducing CPICH, performing foot print optimization to create dominant servers and requesting scrambling code retune.• Identified cell sites negatively impacted by uplink (UL RSSI) interference, implemented corrective measures such as checking and ensuring that tower mounted amplifies (TMA) parameter are properly set.• Optimization of U900 clusters, Optimization of Cluster KPIs and• improving of worst cells• 3G Cluster optimization and new sites test follow up (SFT).• Identify worst cells and provide solutions for improvement.• Conduct Daily Performance KPI Report.• Neighbors planning and scripts preparing for new sites.• Check Daily KPIs and optimize clusters: • Poor Coverage Areas • Pilot Pollution • Handover problems • Load sharing • Solve all throughput (DL & UL) problems Overshooting problems • Check HW issues • PCI collision & Pollution • RRC Setup Fail.• Analysis and optimization for 3G/4G RF parameters by using Genex-Probe, Genex-Assistant and MapInfo applications.• Analysis and troubleshooting for 3G/4G RF parameters. Real-time monitoring for a UE by IMSI and Cell monitoring for Throughput, RF parameters, number of users etc.

Shenzhen, Guangdong, Cn

• Monitor LTE data service, handoff between LTE and UMTS, upload/download activities, ping, short & long calls on multiple systems using TEMS, Nemo, Genex Probe etc• Worked closely with system performance by looking at key network issues such as Throughput Degradation, and Handoff Failures• Site Shake down for multiple sites, which included minimum DL (PDSCH) & UL throughput (PUSCH) criteria, Azimuth and swap sector verification along with TX imbalances• Performing CS call (MO & MT) and PS call (HSUPA & HSDPA) testing, throughput testing, signal verification, site verification• Performing SSV, Site Audit of 2G/3G Sites• Monitoring RSRP, RSRQ, RSSI, SINR, PCI, BLER, RBs in LTE• Monitoring RSCP, RSSI, EC/NO of 3G Sites• Performing Cluster, Bench marking drives, SSVs, Stationary test, Customer complains etc.

Bachelors In Telecommunican And Networking, Computer Systems Networking And Telecommunications

Bachelors In Telecommunication And Networks, Telecom And Networks