- Cellular radio networks
- TCP/IP networking
- Electronics hardware/software R&D
- 2G / 3G / 4G
- 3GPP (3rd Generation Partnership Project)
- Field Programmable Gate Array (FPGA)
- Hardware Entwicklung
- RTCP (RealTime Control Protocol)
- SIP (Session Initiation Protocol)
- Virtualisierung (Allg.)
Projekt‐ & Berufserfahrung
Dialog Semiconductor, Germering
High-Tech- und Elektroindustrie
3/2018 – 9/2019Tätigkeitsbeschreibung
Electronics engineerEingesetzte Qualifikationen
VHDL (VHSIC Hardware Description Language), Analogtechnik / Analogelektronik, Digitaltechnik / Digitalelektronik, Leistungselektronik
TelEmania and 3GPPNet, Munich
2/2017 – 10/2019Tätigkeitsbeschreibung
Hardware and software development for IC verification, validation and qualifications testing.
Research on possible paths for mobile network transformation with the final scope of fully autonomous networks:
- Preparation: network discovery, clean-up, scalability, flexibility, modularity, open standards, multi-vendor, network performance monitoring, customer experience evaluation, spectrum/power/space utilization efficiency.
- Assessment of applicability of emerging virtualization technologies: NFV, SDN, SDR, MEC, centralised-RAN, cloud-RAN/vRAN with CPRI and eCPRI, virtual probes, network slicing and separation of radio network protocol stack.
- Find analytic models and apply them for closed-loop service and network performance optimization.
- Management of IoT deployments: NB-IoT (GSM and LTE), network design, IoT security via granular and controlled IoT resolution, IoT network data collection, EU's GDPR compliance.
- Recommendation of practical migration steps for Network Transformation.
Predictive analytics, R (Programmiersprache), Field Programmable Gate Array (FPGA), VHDL (VHSIC Hardware Description Language), MATLAB / Simulink, Transformation Management, Mobilfunk
4/2015 – 1/2017Tätigkeitsbeschreibung
Telefonica, Germany: Closed-loop SON deployment on GSM, UMTS and LTE from Ericsson, Huawei, Nokia and ZTE; SON sanity checks and customisation for consolidation of O2 and EPlus networks; customer SON concepts training.
Smart, Cambodia: SON deployment on virtualised infrastructure, handing SON over to operations.
Automation of Optimisation and in-depth network consistency checks:
Automatic 2G/3G/4G Inter/Intrafrequency, IRAT neighbor relations, CSFB and SRVCC performance optimisation
Automatic Parameter Optimisation,
Automatic Mobile Load Balancing,
Automatic Antenna Tilt
Self Healing and Subscriber Experience Value Driven SON.
UMTS, LTE (Long Term Evolution), GSM/GPRS, Mobilfunk
7/2006 – 3/2015Tätigkeitsbeschreibung
More than 10 network optimization projects in Germany and other countries in the EU. Project types are: equipment swap, new technology deployments, network architecture analysis, network management architecture and network health and performance assessments.
Execute service performance and network performance assessments. Apply troubleshooting procedures to find problem areas, misconfigured equipment, congestion or inappropriate network architecture.
Technologies covered are 2G 3G 4G and IMS (GSM, UMTS, LTE and VoLTE). Network segments: air interface, RAN, Core, routings/switching and optical/wireless transport network. Protocol layers: PHY/MAC/RLC/PDCP on RAN and all OSI layers on the packet and circuit switched networks.
Usage of various tools: drive test, KPI geolocation, Customer Experience Management (CEM), performance assessment, probe-based traffic sniffers, network monitoring etc.
Team leading role for some of the projects.
TCP/IP, Telekommunikation / Netzwerke (allg.), RTP (Real-Time Transport Protocol), RTCP (RealTime Control Protocol), Router, SIP (Session Initiation Protocol), UMTS, LTE (Long Term Evolution), Netzwerkmanagement, Billing / Rating (Telekommunikation), WLAN (Wireless Local Area Network), VoIP, Netzwerkarchitektur, 2G / 3G / 4G, EPC (Evolved Packet Core), Ethernet, Cisco Switch, 3GPP (3rd Generation Partnership Project), Cisco Router, GSM/GPRS, HSDPA (High Speed Downlink Packet Access), Internet / Intranet
8/1998 – 6/2006Tätigkeitsbeschreibung
More than 10 network optimization projects in Asia-Pacific, USA and the EU. Projects involved designing, planning, deploying and migrating telecommunications infrastructure to packet-switched networks.
I provided the full set of services at all OSI layers, from understanding the network requirements, through network design, capacity planning, choosing routing/switching equipment based on required features and network capacity, equipment initial configuration, setting up and connecting the network management system and provisioning for customers. Setting up network and service monitoring and troubleshooting systems as well as SLA Assurance systems.
Implement capability to demarcate between application, server and network faults.
Usage of various tools: massive data capture and analysis equipment, network performance assessment, probe-based traffic sniffers, network monitoring etc.
Team leading role for some of the projects.
Cisco Firewalls, SNMP, SSH (Secure Shell), TCP/IP, Telekommunikation / Netzwerke (allg.), Telnet (Telecommunication Network), SNA (Systems Network Architecture), RTP (Real-Time Transport Protocol), RTSP (RealTime Streaming Protocol), Router, SIP (Session Initiation Protocol), xDSL / DSL, Netzwerkadministration (allg.), Netzwerkmanagement, Infrastrukturarchitektur, WLAN (Wireless Local Area Network), VLAN (Virtual Local Area Network), VoIP, VPN (Virtual Private Network), WAN, Netzwerkarchitektur, OSI (Open Systems Interconnection Model), DHCP, DNS, Ethernet, Cisco Switch, ATM, Cisco Router, ISP (Internet Service Provider), HDSL (High Data Rate Digital Subscriber Line), IEEE 802.11, Internet / Intranet, Mobilfunk
9/1986 – 8/1998Tätigkeitsbeschreibung
More than 20 projects while working for 8 different companies doing electronics low-noise and high-speed analog and digital electronics design.
Work included the following steps: building and writing-up specifications, design to specification, circuit simulation, schematic capture, PCB design, preparation of Gerber files for manufacture, prototype build and test, building BOM and preparation for manufacture.
Use of discrete semiconductor components, analog ICs, FPGAs, microcontrollers, microprocessors, ADC, DAC, PLL, RxTx circuits, parallel and serial interfaces, SMPSs and other modules for the telecommunications industry.
Follow electronics design rules for testability and manufacturability with multiple sourced parts etc.
Use of all usual R&D lab tools: multimeters, oscilloscopes, logic analyzers, spectrum analyzers, network analyzers, SMD prototyping, custom development boards, circuit emulators etc.
Altera (allg.), Xilinx (allg.), Field Programmable Gate Array (FPGA), C, C++, MATLAB / Simulink, Mentor Graphics (allg.)
(Master of Telecommunications Engineering)
Ort: Sydney, Australia
(Electronics and Telecommunications Dipl. Ing)
Ort: Bucharest, Romania
Mobile radio network virtualization, automation and optimization
TCP/IP network infrastructure design, troubleshooting and optimization
Electronics and Telecommunications Dipl. Ing.:
R&D electronics engineering embedded software and hardware design
Alles in einem Geschäft.
Experienced Electronics and Telecommunications engineer with the best mix of hardware, software, fixed and mobile voice and IP networks.