Engineer Rf

VISHNU VIJAYAKUMAR

RF Spectrum Monitoring Engineer

Mobile: +966-********* (KSA), +91-996******* (IND) Email: ****************@*****.***

PERSONAL PROFILE

An accomplished professional, with almost 07 year’s extensive experience of Telecommunications with a comprehensive understanding of business processes and extensive knowledge of wireless technologies, RF Spectrum Affairs & telecommunications. I have experience with the equipment of MOTOROLA, HP, ROHDE & SCHWARZ (R&S) ANRITSU, R&S ARGUS, R&S FSQ, R&S FSP, R&S PR100 (for Spectrum Monitoring Affairs), and TEMS INVESTIGATION, ROHDE

&SCHWARZ ROMES and SWISSQUAL DIVERSITY OPTIMIZER.

(For Drive testing )

PROFESSIONAL EXPERIENCE

RF Spectrum Management & Monitoring Engineer (FMP) Frequency Management Project with the Communications and Information Technology Commission.

(CITC), KSA:

June 2015 to Aug Detecon Al Saudia co.ltd (DETASAD), KSA Sep 2018 to Date National DataServe & Turnkey Solutions, KSA I am currently working in DetaServe as an RF Spectrum Monitoring Engineer in Frequency Spectrum Management Project (FMP) with Ministry of Communication & Information Technology Commission (CITC) Kingdom of Saudia Arabia.

RESPONSIBILITIES FOR RF SPECTRUM MONITORING ENGINEER (CITC)

Monitoring & Testing of Emissions in the Frequency Range 9 kHz – 30 MHz (national & international long-range communication (such as broadcasting, aeronautical communication, amateur radio etc).

To perform Drive Test for both ideal and dedicated modes of GSM/WCDMA/LTE /WiMAX

/TETRA Services by using TEMS Investigation, Swissqual diversity Optimizer and Rhode

& Schwarz ROMES v.4.63.

Monitoring & Testing Of Emissions in The Frequency Range 30 MHz – 1 GHz (the Regular Monitoring Measurement of technical parameters of frequency, modulation depth, occupied RF bandwidth, Power flux density, offset, Emission type etc to ensure adherence to licensed technical parameters detection of illegal frequency usages with the help of Direction Finding Unit for resolution of interference as per ITU standard).

Spectrum is Monitored & Testing in the range 10 kHz – 40 GHz according to annual monitoring plan, audio & visual observation of the whole spectrum to detect the transmission of the unauthorized stations, also to detect out- of- band emissions which could cause the harmful interference to the authorized uses.

Coordination with officials of governmental, civil, private organizations, regarding interference complaints, MOI personnel for the confiscation of illegal transmitters.

Evaluation and analysis of reports on completion of frequency cycle (30 MHz – 1 GHz) and amend the schedules (if required) accordingly for smoothing monitoring activities.

Investigation of harmful interference cases filed by national assigned frequency users

(monitoring orders).

Investigation of harmful interference cases filed by international (other countries)

Identifying and locating the potential interferer inside the GSM, UMTS and WiMax bands.

Performing technical measurement on the sites particularly during Hajj period.

Other special assigned tasks, e.g noise level measurement,

GSM/UMTS/LTE coverage, quality and C/I ratio measurement by using R&S Romes network scanners

2G, 3G, 4G, WiMax / LTE bands scanning to determine the usage and the users

Measurement of RF spillover and coverage from neighbouring countries

Developing and implementing the monitoring plans

Analyzing the raw monitoring data and develop reports

Initiate the investigations of interference complaints

Detecting unauthorized stations and report for further action

Designing Radio Spectrum monitoring allocation plan in VHF/UHF ranges yearly, monthly & weekly, reporting the extracted results to the MMC.

Managing the RMS administration, dealing with accounts and providing all the petty cash adjustments required in the station and submit the report twice a month to account department in HQ.

Radio determination, Radiolocation with Radio Direction Finders of R&S PP 055 S (20- 1000) MHz

Monitoring of radio frequencies for Electronic Navigation.

Resource Management of North and South region of KSA, managing all Accounts issues and allocating the resources.

Frequency Allocation for Distress & Safety purposes in VLF, LF, MF, HF, VHF, UHF Frequencies reserved for distress communication to keep them free of interference as per ITU standard.

Assist the plan of annual calibration for all equipment & tools of monitoring stations RMS

& follow-up implementation.

Rationalize and optimize the use of the RF spectrum, avoid and solve Interference Problems.

Maintenance of Monitoring equipment the Receivers, HF Receiver EK070, Test Receiver ESH2, VHF/UHF Receiver ESM500, Spectrum Analyzer HP8567A, HP8567B, ROHDE & SCHWARZ (R&S) FSH (10 MHz – 18 GHz), ANRITSU Spectrum Master (9 kHz – 20 GHz). VHF/UHF Receiver ESM500 (DF), Direction Finder PP055S, Advantest Spectrum Analyzer, Test Receivers ESV, Receiver EB-100.

Configuring of antenna (VHF/UHF Active HE302 / 202, Log Periodic HL037, DF AP 055, Broad Band ROMES (TSMU & TSMW) & ROGERS, ROMES GPS Antenna, EB100 antennas, LP Antenna Controller BG030, AC308 Parabolic Antenna, DF- Antenna VHF/UHF AP555) according to the Radio Frequencies Monitoring Plan.

Planning & Optimizing the RF Spectrum 10 KHz – 8GHz for Monitoring Daily, weekly and monthly basis.

ARGUS Monitoring Control System for RF Spectrum Monitoring.

Site Survey in Physical and Technical parameters to install the new DF and RMS purposed new Locations in the north region of the Kingdom.

Training for the concern CITC staff for upcoming equipment & technologies in 2G, 3G, 4G

& resolving interference problems.

Monitoring Occupancy Rerecording & Evaluating Frequencies in RF Spectrum Occupancy to know the real usage of the spectrum, determine the ranges of frequencies the new assignments could be allocated.

PC Based Signal Analysis and Signal Processing software for analysis, classification, demodulation and decoding of digital and analog IF signals

Periodic aural and visual observation of the whole RF spectrum to detect, locate and identify users of unauthorized transmissions. Detection and identification of illegal frequency usages.

RF Engineer:

Aug 2014 to May 2015 Telecom One Teleservices India Pvt. Ltd

(Worked as RF Engineer in Telecom one Teleservices (PVT) LTD.) May 2012 to July 2014 Metro Wireless Engineering India Pvt. Ltd

(Worked as RF Engineer in Metro Wireless Engineering India Pvt. Ltd.) RESPONSIBILITIES FOR RF ENGINEER

Doing drive test for GSM, WCDMA and LTE SSV using TEMS Investigation.

Drive Test & Optimization Includes Checking the Signal Strength of a particular sites in a region and accordingly changing the tilts and orientation of the GSM Antenna to improve the coverage area

Analyzing the KPI's traffic statistics and monitoring the network for troubleshooting.

Resolving Field Issues like Low Throughput, Poor RSCP and Eclo, Poor RSRP, and Low SINR

Resolving Field Issues like Low Throughput, Poor RSCP and Eclo, Poor RSRP, and Low SINR

Analyzed the Pilot Pollution for 3G network and reduced them

Swap Sites Drive Testing ( swap test, Coverage check, Intra and Inter site handover checks)

Performed LTE Throughput test on Uplink and Downlink using both FTP and HTTP servers.

Performed Ping Test, UDP Tests, and CS Fall Back tests

Cluster drive includes covering all roads especially the main lobs of all the sites in a cluster, Performed LTE cluster Drives and to Prepare all kinds of DT reports.

Attend customer complaints and take necessary actions.

Analyzing the Drive test log file using MapInfo and MCOM.

Drive Test & Optimization Includes Checking the Signal Strength of a particular site in a region and accordingly changing the tilts and orientation of the GSM Antenna to improve the coverage area.

Analyzing the KPI's traffic statistics and monitoring the network for troubleshooting.

Responsible for Quality Assurance of total Drive. HAND-ON EXPERIENCE & SKILLS

R&S Rome’s and Roger’s for GSM900/E/1800, 3G, LTE,Wimax Network Scanners. Spectrum Analyzers HP 8567A (10 kHz – 1.5 GHz), HP 8567B (10 kHz – 40 GHz). Portable Spectrum Analyzers ROHDE & SCHWARZ (R&S) FSH (10 MHz – 18 GHz), ANRITSU Spectrum Master (9 kHz – 20 GHz).

Good Hand on experience on Drive Testing Tools, TEMS Investigation 17.2.5, Rhode & Schwarz Swiss Qual Diversity Optimizer, Rhode & Schwarz ROMES v.4.63 and TSMW, Rhode & Schwarz ARGUS Direction Finder v.5.4.1.

Good Hand on experience on Monitoring Hardware R&S Spectrum Analyzers HP 8567A

(10 kHz – 1.5 GHz), R&S Portable Spectrum Analyzer FSH 18(10MHz-18GHz), R&S FSP Spectrum Analyzer (20 Hz to 40 GHz), R&S FSQ Signal Analyzer (20 Hz to 40 GHz, R&S PR100 Portable Receiver (10MHz – 18 GHz), R&S ANRITSU Spectrum Master R&S (9 kHz

– 20 GHz).

Good Hand on experience on testing and installing the equipment e.g. Modulation Analyzers, Spectrum Analyzers, R&S Receivers, Cellular Network Scanners, DF Antenna Systems, Log Periodic Antenna Systems, Testing RF Frequencies, Modulation Depth. Power Flux Density, Bandwidth, Offset.

GSM900/E/1800, 3G,Wimax & LTE Coverage & spillover from neighbouring countries in RF Domain, MW Connectivity, STC, Mobily, Zain Back Haul Links.

Resolving Interference issues in (Real Time RF Network Troubleshooting), Jamming, Intermodulation, in 2G, 3G,Wimax, LTE & HF, VHF, UHF mainly VHF Radios, Tetra Links, Bravo Systems etc.

Good skills on 2G, 3G, 4G Network Scanners (ROMES) for Coverage Measurement System also for C/I & C/A analysis, C0CX & C0C0, CXCX, CXC0 Analysis.

Working with DF unit both in HOMING & TRIANGULATION techniques’ to locate the source of Emission.

Hand on experience to resolve critical interference issues for Mobily, Zain, STC in 2G, 3G, 4G and coordinating with RF optimization team.

Good Skills Resolving different RF issues (Observing Interference, Jamming, Bad Coverage, Spillover etc) in GSM 900/1800, GSME, 3G, WiMAX, LTE & Microwave back haul links for BTS’s NODB, AP’s in Kingdom of Saudia Arabia.

Good skills in RF Planning Optimization Knowledge GSM 900/1800 2G, 3G, 4G of STC, MOBILY & ZAIN. Also their ARFCN allocation from CITC.

Good Skills for Drive Test and interference and spillover problems solving for the GSME, GSM900, GSM1800, 3G, 4G networks.

Site Survey in Physical and Technical parameters to install the new DF and RMS purposed new Locations in the Kingdom

Monitoring of ARFCN for GSM 900 & 1800, 3G, 4G bands.

Programming Platform: Win/NT/2000/XP/Vista/7/8/10, MS Word, Excel, PowerPoint.

Application of Google Earth for GPS coordinates of sites, MapInfo. PROFESSIONAL TRAINING

Training with CITC FM Affairs, RF Spectrum usage, Monitoring Equipment & Reporting criterion.

Training with CITC & R&S ROMES (3.5, 4.5, 4. 7) Cellular Network Scanner for Interference Analysis.

Training with CITC & R&S RF Planning & Spectrum Optimization, Interference Analysis & Spillover for (GSME/900/1800, 3G, 4G, WIMAX, LTE,).

Training with CITC Rhode & Schwarz SwissQual Diversity Optimizer. SKILLS ACQUIRED

Analytical & Problem solving: Breaking down the problem into components and approaching logically. solving both theoretical and practical problems systematically

Interpersonal Communication skills: Dealing and negotiating with the operators, vendors about the progress and performance

Presentations & Communications: Drafting formal reports and presentations.

Meeting deadlines and prioritizing task and ensuring all tasks are completed in due time. PROFESSIONAL QUALIFICATIONS

BE Electronics and Communication Engineering Anna University Chennai Grade-First Class Kerala Board of Higher Secondary Education Grade-First Class High School (Kerala Board of Secondary Education, Grade-First Class PERSONAL DETAILS

Name : Vishnu V.A

KSA valid driving license Expiry : 27 March 2027

Iqama Status : Transferrable

Date of birth : 15th may 1988

Nationality : Indian

Languages known : English, Malayalam, Hindi, Tamil & Arabic. Passport No : S6619525

Marital status : Single.

Mail ID : ****************@*****.***

Contact Number : +966-********* (KSA), +91-996******* (IND)

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