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Kostas Katis

Kostas Katis

System Engineer

Followers of Kostas Katis473 followers
location of Kostas KatisDrammen, Viken, Norway

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  • Timeline

  • About me

    NDO Engineer at Ericsson

  • Education

    • Athens University of Economics and Business

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      Diploma Business Management

    • Hellenic Open University

      -
      MSc Data Science and Machine Learning

      Master's degree program with a focus on the mathematical foundations, methodologies and application libraries of Machine Learning and Mining of Big Data.

    • Aristotle University of Thessaloniki (AUTH)

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      BSc Physics 8.13/10

      Thesis: “Design and implementation of a Pulse Code Modulation system”

    • Aristotle University of Thessaloniki (AUTH)

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      MSc Radio-Engineering & Electronics 8.31/10

      Subjects: Antennas, Waveguides, Telecommunications, Electronics, Digital systems, MicroprocessorsThesis: “Optimum exploitation of the spectrum in the VHF-II band for FM broadcasting in Greece”

    • The University of Manchester

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      MSc Digital Electronics & Telecommunications 74%

      Subjects: Radiopropagation, Digital Signal Processing, Digital Communications, Wireless CommunicationsThesis: “PC based Radio Data System (RDS) Decoder - (Design and Implementation)”

  • Experience

    • Intracom Telecom, Greece

      Jan 1997 - Apr 2000
      System Engineer

      Design and development of a chipset for a dual band/dual mode GSM900/1800/DECT handset based on a direct conversion front end architecture.• Radio performance characteristics specification for the RF front end.• Algorithm selection for a GMSK digital modulator and demodulator, algorithm simulation on Matlab, testing and implementation on FPGA.• Development of the test bench for the testing of the GSM equaliser and DECT decoder in various propagation models according to ETSI specs. • Simulation of radio channel (fading, time dispersion, diffraction) with Matlab/Simulink®.• Specifications for the handset main processor interface with the RF front end.• Design and development of the main processor testing PCB. Vis mindre

    • Vodafone, Greece

      Apr 2000 - Sept 2008

      Responsible for the management of a group of radio engineers for all radio network design & optimisation activities in Athens region. Coordination of main annual projects. Equipment Ericsson, Siemens, Huawei. 2G/3G Radio Network Planning GSM Radio PlanningUMTS Radio PlanningOlympic Games project

      • Radio Planning Supervisor/Senior Engineer

        Nov 2005 - Sept 2008

      • Radio Planning Team Leader

        Jan 2004 - Jan 2005

      • Radio Planning Engineer

        Apr 2000 - Jan 2003

    • Vimpelcom, Russia

      Sept 2008 - Mar 2009
      3G RNO Consultant

      Initial tuning and optimization of 3G network for BeeLine™ operator in South-western Russia with Aircom, Equipment Huawei. Tools: Asset, Nemo Outdoor/Assistant, iManager M2000, MapInfo.

    • Koryolink, N. Korea

      Jan 2009 - Sept 2010
      Senior 3G RNO Consultant

      Optimization of 3G network for Koryolink operator in N. Korea. Equipment: Huawei. Tools: Planet,Genex Probe/Assistant, iManager M2000, LTM, MapInfo, MCom, Nemo Outdoor/Analyze, Actix.

    • Huawei, Norway

      Jan 2010 - Jan 2011
      Senior RF Optimisation Engineer

      Huawei 2G/3G swap projectPost-swap 2G/3G cells optimization to achieve cluster/area acceptance in a Huawei swap project. Consultant to Huawei with Aircom subcontractor for Telenor network. Huawei tools: iManager M2000, PRS, LTM, Nastar, iNastar, CME, NHT. Other tools: Mapinfo, TEMS Investigation, TEMS Discovery, PrOptima, NetQure.

    • Huawei, Greece

      Feb 2012 - Jun 2012
      Senior 2G/3G RNO Consultant

      2G/3G optimization for cluster acceptance in a Huawei swap project. Consultant to Huawei for Wind swap project. • GSM1800 spectrum refarming (frequency plan, scripts preparation, implementation, data consistency, assessment). Huawei tools: iManager M2000, LMT, CME. Other tools: Mapinfo, Actix, PrOptima.

    • Telenor, Norway

      Aug 2012 - Jan 2017
      Senior RNO Engineer

      2G/3G/4G New Rollout Sites Performance Optimisation, Troubleshooting & VerificationGSM900 & GSM1800 Spectrum Refarming, Frequency Plan Optimisation, Troubleshooting, Customer complaints investigation.Huawei tools: iManager M2000, Nastar, LMT, CME. Other tools: Mycom PrOptima, Netqure, Canaima NMT, Ascom TEMS, Teleplan Astrix, Mapinfo.

    • TKS

      Jan 2018 - Feb 2018
      Senior RNP Engineer

      • 2G/3G/4G New Sites planning.• Upgrade design of existing sites to 4G

    • ODIN Konsult

      Feb 2018 - Jan 2019
      Radio Network Consultant

    • Telenor

      Feb 2018 - Sept 2018
      Tools and Process Specialist

      • Process testing, troubleshooting, improvement suggestions.• Clients support – New users definition, existing users profiles update, users support.• Tools tuning and optimisation. • Reports building.• Documentation – Wiki page with support documentation.

    • Ericsson

      Jan 2019 - now
      Senior Data Analyst

  • Licenses & Certifications

  • Honors & Awards

    • Awarded to Kostas Katis
      Scholarship from “A. S. Onassis Foundation” A. S. Onassis Foundation Sep 1995 1995 – 1996 Scholarship from “A. S. Onassis Foundation” for postgraduate studies (MSc) in UMIST UK.https://www.linkedin.com/company/onassisfoundation/

  • Volunteer Experience

    • Electronic Media and Social Media Committee

      Issued by Greek School of Oslo on May 2022
      Greek School of OsloAssociated with Kostas Katis

    • Secretary

      Issued by Greek School of Oslo on May 2020
      Greek School of OsloAssociated with Kostas Katis