2G 3G 3.5G 4G / GSM WCDMA UMTS HSPA+ LTE KPI RNO RNP(Nigeria)

(+966)-0-599379585 RF NETWORK OPTIMIZATION ENGINEER RIYADHmd.ansar.ali@gmail.com MOHAMMED ANSAR ALI QURAISHI

CAREER OBJECTIVE: Master Graduate of National University under wireless communication program with strong academic background in 3G WCDMA/ 4G LTE and hands-on experience in drive tests, classroom teaching, communication research and excellent at multi-tasking with proven ability to handle related duties. Currently seeking a challenging technical position and contributing to the tele-communication organization development.

WORK EXPERIENCE

4G LTE KPI & Post-Processing Engineer Huawei-ZAIN Project (West Region)April 12 Current

Primarily perform post process analyzing for all KPI TEST scenarios for the performance management of LTE Network using PRS, MOS-7100, MOS-5200, Genex Assistant and Genex Probe f or tests consisted of Near point, Far point, 3 point Data UL & DL, Ping Test, Session Recovery, handovers checking, Attach and Detach Analyzing and plotting the drive logfiles routes to show the coverage and quality with the RSSI, CINR, RSRP, SINR, RSRQ, PCI and PI, DL and UL data throughput as per the requirements of the customer using GENEX ASSISTANT 3.3. Performed Low level optimization and remote support for LTE project through Genex Probe 2.3 and TEMS 11 DT log files analysis and Network Stats. Co-ordinate with Huawei Optimization team and DT team members for supporting them to overcome any issues arising on the field. Identify the cross-feeder issues and rectify it through the E-NodeB CC-Board. Cluster & Area Optimization of LTE Sites Defining Inter-cell neighbors & configuration of time to trigger for successful Handovers. Responsible for consistent monitoring and analyzing the log files of the radio performance for the newly integrated & expansion LTE sites for & Preparing SSV reports for better quality and coverage. Analyzing throughput and RTT/PING/Packet Loss Rate. Parameter Fine-tuning for 3G/LTE, PS Traffic Monitoring and Optimization (context activation, QoS, Throughput, Handover, Drop Call Rate) Perform & analyze data traces on regular basis for LTE performance. Coordinating with Optimization Engineer for Inconsistency checks, areas with poor RF performance, Throughput, Parameter & Physical changes and also Cell-specific reference signals power changes and define the Intra-cell neighbors of the site by logging into the E-Node B using EOMS Software tool

2G/3G RNO, KPI & Post-Processing Engineer Huawei-ZAIN Project (West Region) April11 Mar12Responsibilities:

Analyzed and generated zonal, cluster, IBS, single site verification (SSV), Quality Improvement, Site Health, VIP sites, site investigation, troubleshooting sites, Network-wide Benchmarking and customer complaints based network reports usng ACTIX/TEMS. Daily KPI update & monitoring of KPIs. BSC/RNC performance supervision and TopN cells analysis Post site integration shakedown analysis. Suggestion for the IBS Solutions to resolve the Indoor Coverage holes, Managing Special Events and Handling Databases. Generating the required documentation and reporting of agreed network KPIs statistics using M2000, MapInfo, Google Earth and XCAP tools. Checking BSC parameters, cell by cell load balancing(including normal, double TS, Multiband and concentric cells).daily KPI (DCR, CSSR, HSR, TCH congestion, SDCCH congestion), DL/UL Traffic, HR/FR Traffic, Weaker UL/DL & TCH and troubleshooting of the worst cells, cell out of Service, network performance and network quality(radio coverage). Prepared RF Acceptance report for outdoor and indoor coverage considering SC plots, RSCP versus call drop and setup fail plots, Ec/Io versus call drop, and call drop and setup fail analysis, C/I plots, RXQual, RxLevel and call testing, data call drop and data call timeout analysis.. Troubleshooting and resolving issues like Handovers (Hard/Soft Intra-Freq, Inter-Freq and Inter RAT failures), Poor origination, RAB/RRC call events (assignement success rates, call drop rates, call failure, poor call quality), GPRS/EDGE throughput, PDCH allocation, TBF establishment in 2G, R-99, HSPA(HSDPA/HSUPA), Poor origination, and poor call quality, Missing Neighbors, Access Failure, Air Interface Layer 3, Coverage Area, Azimuths settings, Pilot Pollution, Over-shooting. Cluster and Network optimization, Detailed Post site integration shakedown analysis and performing BSIC frequency & neighbor tuning and cell parameters such as Rx-level, Rx-quality, C/I, C/A, CQI, SQI, HSN, MAL, BCCH, BSIC, MAIO, RSSI, Ec/Io, SIR, TxPower, Power Control, BER, FER, RSCP, EcNo, BLER%, Layer 2/3, RLC, RRC, SC, Power budget, CRO, MS Power min, dual-band settings etc, to remove coverage holes and interferences. Traffic load balancing by prioritizing cells in Idle/Dedicated modes (by adjusting C2, CRH and PBGT etc) to settle congestion problems. Coordinate the Drive Test Team scheduling the activities, planning the drive routes, type of tests. Managed and Lead other Technician teams and bridging the gap between RF Engineer and Technicians needs and their respective requirements. Finding the best possible configuration for antenna heights, tilts and azimuths for all the cells/sectors in the network and thus responsible for optimization of the network. Handling all RF related customer complaints by checking / inspecting serving BTS site Planned additional sites, if any.

2G/3G RNO, KPI & Post-Processing Engineer NSN-STC Project (South Region) Dec10 April11Responsibilities:

Achieve & maintain the Radio Network Performance as per the contracted KPIs (Accessibility, Retain ability, Mobility & Service Integrity). Monitoring KPI by means of SDCCH/TCH drop calls, call set up success rate, handover success rate and congestion rate, and conducting Final acceptance Report by means of statistics and drive test measurements. Analyzed and generated reports for HSPA broadband test of 42.2MBps using Nemo 5.30, TEMS 11.0.4, XCAL-W 3.2, SwissQual. Analyzed and prepared reports for 3G including HSDPA test, PS/CS call test, voice & video calls test, T.V Streaming, Internet Testing, SMS/MMS testing and FTP & UDP testing, Multi RAB, Short ping and Long ping. Compile sites in BSC for any locked hardware and TRX related disabilities like Top Handover Fails, SDCCH traffic deltas and TCH blocking cells Responsible for interference analysis by distinguishing internal and external interference and resolved internal interference by hardware checking, frequency optimization (replacing frequency, frequency hopping, power control, etc), site survey and Resolved outside interference by locating interference source. Responsible for tested radio performances of the newly integrated sites. Coordinated with the team in all other regions to check their performance, capability and on time site submissions with proper logfiles and complete DT functionality including sites audits.

2G/3G RNO, KPI & Post-Processing Engineer / Planning Engineer NSN-Zain Project (South Region) Jul10 Dec10Responsibilities: Analyzed with Nemo Outdoor and Actix for Broadband punchlist of 21MBps HSPA. Post processing for Nokia S12/S13/ S14/RAS06/ RU10/RU20 Prepares XML files using NetAct Plan Editor (Ver 4.6-4-1) for adding missing neighbors (ADJG, ADJW, ADJS, and ADJI) based on distance and actual handover attempts to improve statistics. Knowledge of setting up the specific 3G RF parameters for the site to be integrated: RNCid, WBTSid, LcrId, MCC, MNC, LAC, RAC, SAC, CId, UARFCN frequency, scrambling code and implementing ADCE and ADJx neighbor definitions. Identify and resolve Co and Adjacent frequency, MAIO discrepancy, BSIC and HSN discrepancy in assigned BSC. Resolved issues related to NBR definition, Cross connectivity, call muteness & Handover/LAC Update Failures. Responsible for Inter-departmental Co-ordination with Implementation/Project Control/NOC/NSS/Operations to complete the Pre-Launch Process. Responsible for the new site, co-location site, re-homing, expansion, low power, cross-feeder, cell parameters and troubleshooting. Management of PATs, FACs and ATPs for the approval of new sites to be On Air. Generated SAR and TSSR reports for the objective to expand the capacity and coverage of existing Network. Responsible for both the sites RF acceptance and QoS (RxQual, RXLev, Estab-failure, Dropcall rate and Handover failure). Identifying different network problems like drop call, Blocked call, handover failure etc. Coordination with the OMC and BSS Team about site status and WAP implementation. Responsible for suggestions to the installation team for eliminating cross feeder that existed partial or full cross feeder. Analyzed log files for new site, swapped and new additional TRX on air site, by making sure frequency were correctly assigned, site was absorbing traffic, all type of Handovers was in order etc. Worked on MAPInfo and Google Earth for day-to-day physical & geographical updating. Optimization of Site such as Height of Antenna, Tilt & Orientation of Network. Done hot spot collection, nominal selection. Decided the far end location to the GSM antenna depending on the clutter surrounding. Depending on the available Line of Sight as well as the capacity in terms of E1 on the same and Height of the Microwave Link antenna by considering the Fresnal zone and maximum obstruction between two sites. A team member involved in clutter mapping, city survey, site survey and hunting. Responsible for coordinating of the pre-drive test and post-drive test for new site, BSC migration drive test.

Post-Processing Engineer & Drive Test Engineer NSN-Mobily project (RIYADH) Jan 10 July 10Responsibilities: Prepared the KPI report using TEMS and MAPInfo and forwarding it to the optimization engineer with recommendations and actions. Adjusting 900 and 1800 traffic sharing for DCR and MPD (Minutes per Drop) Improvement. Planning and re planning cell size antennas (Azimuth or tilt) and/or location to meet traffic capacity & coverage needs. Responsible for traffic dimensioning with optimal use of Half Rate & execution of antenna redesign activities. Completed the target of given number of new sites for drive and optimization on or before time. Proposed the height reduction of Sectors if the signal is overshooting and co-ordinate with the height reduction team. Identified causes of poor coverage, and made recommendations about the orientation changes, electrical tilts changes or antenna heights etc. Checking the missing neighbors and suggesting to add the DN with the cells. Coordinated with BSS Teams to resolve Issues, such as Handover Failures, Frequency Interference, and Low Power TRXs, Sector swapping etc. Checking the handover performance between cells (Incoming / Outgoing HO). Observing the particular cell parameters such as Rx-level, Rx-quality, C/I, C/A, SQI, HSN, MAIO, BER, FER etc. Drive Test using TEMS Includes Checking the Signal Strength of a particular Nokia sites in a region and accordingly changing the tilts and orientation of the GSM Antenna to improve the coverage area. Doing GPRS Drive Test also checking speed up link and down link frequencies. Have done various tests in 3G including HSDPA test, PS call test, voice & video calls test, T.V Streaming, Internet Testing. Identified and resolved causes of RF Interference. Conducting 3G drive test for macro & micro sites to meet traffic and coverage requirements. Troubleshooting the Pilot Pollution by using the E-tilt / azimuth

Post-Processing and Drive Test Engineer for Qualcomm Inc. San Diego Apr 09-Nov 09Responsibilities: Prepared the reports using TEMS and MAPInfo and forwarding it to the optimization engineer with recommendations and actions. Carrying drive test for macro and micro sites to meet coverage and traffic requirements upto KPIs level for AMR 12.2(Voice calls) speech quality. Testing sites affecting network especially call drop or intra-handovers & inter- handovers. Checking the signal strength and power level at the site. Covering areas given by the customer cluster-wise and performing complete driver tests. Carrying drive tests for any new sites added in the network by checking the coverage in the sectors while the call is connected.

EDUCATION

M.S., Wireless Communications, National University San Diego, CA, CGPA 3.57/4.00. B.E., Electronics & Communications Engineering, Deccan College of Engg & Tech, Hyderabad, India May 2006, CGPA - 3.4/4.00.

KNOWLEDGE PROFICIENCY

Package : Microsoft Office Suite.Platforms : Windows98, NT, 2000, XP. Win7Design & Simulation Tools : iManager M2000, PRS, MOS-7100, MOS-5200, Actix,GenexAssistant, SwissQual, X-CAL, XCAP, TEMS,Genex Probe, Nemo, MapInfo, MultiSIM, PSpice, XILINX,ModelSim, VHDL, Mat lab, EDX, LabView, 8085 & 8086microprocessor emulators,

Competencies : Modulation techniques (BPSK, QPSK, GMSK, QAM,OFDM), Link budget analysis, MIMO networking,CDMA planning design and optimization, IS-95 andIS-2000 standards, Call processing, GSM & CDMAwireless systems, MTX, NBSS, NGVN, SS7, TCP/IP,QOS, IP multicast, Layer 2, GPS, OTA, EDGE, GPRS,HSCSD, HSDPA, ZigBee, Bluetooth, NFC, USB, 802.11x,UWB, LTE, MVNO, SDR, Wi-Fi, WiMax.LAB Instruments : Digital Voltmeter, Oscilloscope, Frequency Analyzer.