Zawar Khalid

197 Laurel Ln, Canton MI, USA 48187                      Cell # 001 (832) 773 4243                                                                   xawarkhan@gmail.com

 

Business Skills Summary

A target oriented Electrical Engineer with multi-vendor, technology and band based RF Optimization and Design experience, seeking a job in a reputable organization to acquire professional growth.

EXPERIENCE

Samsung SDS, USA                                                         Nov 2014 – May 2015

RF Optimization Engineer Level 4 – Consultant/ Lead                        

 

·   Leading Samsung’s team of 6 engineer and drive testers, optimizing Sprint multiband network of Michigan and Toledo market

·   Knowledge of RF Design CDMA, EVDO and LTE for macro, micro and WiFi systems

·   Familiar with iBwave, Planet and Atoll for indoor and outdoor planning

·   Clutter usage, EIRP calculation, link budgeting and through CW testing for validation to design objectives

·   Redesign of mature network areas to minimize capacity constraints also create and using RF propagation and design tools

·   Monitoring and optimization of major LTE[800, 1.9 & 2.5Mhz], EVDO and 1x [voice & data] KPI

·   LTE parameter/ timer based tuning to improve CFR, UL/ DL throughput, tonnage, S1 setup fail and ERAB drops

·   CDR reduction by TA analysis including call failure analysis, design through PLANET prediction based R-Electrical Tilts for an optimum cell edge, tuning T310, N310, N311, MaxRetxthreshold, maxHARQTx and Qrxlevmin etc.

·   LTE HO analysis through LSMR dumps and ANR parameter tuning including A3/ A5 for Intra Inter (X2) and IRAT

·   UL/ DL RF utilization analysis and ENB offloading through mobility management, payload monitoring, RACH usage and PSR performance monitoring

·   Idle and dedicated parameter based optimization including case based cell/ site level CAC threshold-maxCallCount, inactivity timer tuning, Intra/ Inter idle mode search, low/ high carrier priority reselection

·   Live and statistical RSSI monitoring, purposing remedies to improve RRC setup and CDR/ CFR

·   Cluster based optimization with drive test post processing to improve RSRP, RSRQ, SINR, HSR, CDR and TP

·   EVDO KPI optimization including access failure, CE, RNC, equipment, non BTS equipment blocking, throughput analysis, utilization and DO to 1x hand down analysis etc.

·   CDMA-1x voice and data blocking, drop call and HSR optimization. ECSFB success rate and drop analysis

·   Leading the spectrum analysis team for possible interference cases caused due to re-farming, or by adjacencies, collocated radios transmitting different carriers on the same frequency band

 

China Mobile- ZONG, Pakistan                      Aug 2008 - Jul 2014

Assistant Manager (Last Post) - Permanent Employee                 

Sr. RF Optimization Engineer, Executive RF Optimization Engineer, Sr. Executive (Previous Posts)

 

·   Key RF optimization and Planning resource having multivendor expertise on Huawei (Release 13, 11 & 8), Alcatel Lucent (B11, 10, 9 & 8) and ZTE (V4 & V3) networks

·   Experience on LTE, 3G (HSPA+ Rel. 99, 5,6,7 & 8) and 2G (GSM, GPRS, EDGE) networks

·   Daily KPI optimization including RRC setup success rate, HSR, CSSR voice, CSSR PS, CSSR HSDPA, RAB setup success rate, RRC drop and RAB drop

·   Regular cluster optimization of 3G network for the improvement of RSCP and Ec/ No by reducing pilot pollution and improving coverage

·   Congestion analysis of code, Power and CE blocking for R99 and HSPA services also addition of 2nd carrier for improvement of HSPA throughput, activation of DRD (Directed retry) for congestion relief

·   Weekly consistency check for rectification of IRAT adjacencies

·   KPI formula definition for voice and data services, detailed parameter audit of the 3G network for rectification of discrepancies including call control, HO control, power control, channel management and idle mode

·   3G customer complaint analysis using traces from I-Manager, Nastar and CHR tools

·   Conduct trials including NACC, DTM paging coordination, 3G selection at Call Release, Power control III, Power Boost, Huawei Handover Algorithm II/ III and Dual band parameters for traffic shifting

·   LTE KPI optimization including ERAB setup success rate, drops rate, BLER and Intra Eutran HSR

·   Analysis of LTE cluster optimization log files for the improvement of RSRQ and SINR

·   Managed the RF part of Alcatel – Huawei 6900 Swap optimizing the call drop rate, HO analysis, timer modification, health check activities, network Interference analysis UL/ DL, neighbor audit and logical parameter changes

·   Drive test log file analysis on Actix and TEMS (V 15.1.1, 8.2.2 & 8.1) for an on field picture of the network

·   Expansion proposal of Huawei/ Alcatel-Lucent networks based on SD/ TCH traffic stats and increasing users demand thus decreasing TCH and SDCCH congestion

·   Pinpointing cells interfered by bank jammers or inter modulation products resulting idle band interference also testing of coverage jammers using spectrum analyzer “Tektronix, Y400 Net Tek Analyser,YBT250 and Rohde and Schwarz FSH3”

·   Escalation of hardware issues like degraded BTS HW / faulty,  low or zero efficient or high DPL TRX’s also any loose patching contributing RTC/ BSS Internal Drops or noise issues, which might degrade KPIS (CDR/ CSSR/ ASR/ HOSR/ Congestion)

·   Weekly, monthly and annual region/ vendor wise optimization reports including cumulative optimization activities, special projects and KPI improvements

·   Handling of RF related Customer Complaints via Walk Testing, KPI analysis and physical drive tests also conducting Sales-Engineering joint surveys for pinpointing/ resolution of complaints

·   Identifying search area radius for proposed locations and issuing site acquisition requests

·   Conducting SAR, SSR and TSSR for new site planning

·   Physical redesign for existing sites and proposing antenna azimuth, tilt and height changes for QoS and low utilized cells

·   Frequency planning and interference analysis with ASSET (Enterprise V5.0)

·   Purposing indoor RF solutions for dense urban areas, high raised buildings or basements having poor radio conditions

·   TMA deployment and implementation of Alcatel coverage mode solution using high power TRX’s to enhance coverage

·   Planning/ maintaining LAC and BSC capacity/ boundary planning for existing/ upcoming sites and re homing/ cutover of sites

 

INTERNSHIP

•                                                        Internship after sixth semester with PAKTEL (MILLICOM) Transmission Planning department from Jun 06, 06 - Aug 24, 06 
•                                                        Internship after fourth semester with ERICSSON Radio Access Network (RAN) department from Jun 29, 05 - Aug 28, 05

 

SOFTWARE KNOWLEDGE

Spot Fire & Mobile Meridian - Samsung	LSMR, BSM, Tabluea, Glace, Agoop, Cockpit - Sprint	XCAP & XCAL
TEMS Investigation V8.1/ 8.2.2 Data collection	Wind Catcher, iBwave, Atoll	Asset 3G Aircom
Actix	MapInfo Professional 12	ARP Alcatel Lucent B11, B10
RNO Alcatel Lucent B9	Automatic Frequency Optimization System (China Mobile)	XManager OMC Alcatel Lucent
IManager NASTER 2G/ 3G/ LTE	OMC/ I Manager M2000 Huawei 2G/ 3G	CME BSC 6900 Huawei
LMT BSC 32/BSC6000/BSC6900 Huawei 2G/3G	Genex Nastar GSM Huawei 2G/3G	C++ / MATLAB, Microsoft Office

ACHIEVEMENTS

·   Employee of the Year: Awarded Exceed Performance in Optimization and Planning from HR and Engineering Committee for consecutive years 2010 & 2011 at China Mobile (Pakistan)

·   Awarded Employee of the Month RF Optimization Department June 2010 at China Mobile (Pakistan)

PROFESSIONAL TRAININGS

·   LTE Performance Management and Optimization from ERICSSON in Michigan, USA (Mar 31, 15 to Apr 07, 15)

·   3G Huawei Radio Network Optimization and Planning from HUAWEI in Islamabad, Pakistan (Oct 8th to Oct 12th , 12)

·   Automatic Frequency Optimization (AFOS) from China Mobile in Islamabad, Pakistan (Mar 19th to Mar 30th, 12) 

·   Huawei Radio Network Optimization and Planning from HUAWEI in Islamabad, Pakistan (Feb 27th to Mar 3rd, 12)

·   Long Term Evolution (LTE) from QUALCOMM in Islamabad, Pakistan (Apr 22nd to Apr 24th, 11)

·   GSM RAN Signaling from ERICSSON in Lahore, Pakistan (Dec 23rd to Dec 26th, 08)

·   HUAWEI BSC 6000, BTS3012 and 3006c O&M from HUAWEI in Islamabad, Pakistan (June 30th to July 8th, 08)

ACADEMIC QUALIFICATION

­­­­ B.S. in Electrical Engineering (Major: Telecommunication)             

COMSATS Institute of Information Technology, Islamabad, Pakistan

 

 

 

References are available upon request.