Lorenzo Marchionini

PON DSL Application Engineer / Principal Systems Verification and Integration Engineer

Munich, Bavaria, Germany

About

Experience

  • Principal Systems Integration and Test Engineer at MaxLinear

  • Hardware and Firmware Designer at SELTA

    Hardware and Firmware Designer of electronic board based on microprocessor for TLC equipment. Support acceptance testing and certifications at customer site (mainly Telecom Italy). Developed Products: SOHO SHDSL CPE with V35 / G703 interface to transport Frame Relay on ATM. central office DSL flexible multiplexer used to extend transport of TDM into ATM

  • Application Engineer at Intel Corporation

  • Software Developer as xDSL Technical expert at Ericsson

    FUNCTION: Software Developer, as Technical expert, with the responsibility of complete life cycle of embedded SW components for Telecommunication equipment (IPDSLAM: EDA1200 e EDA2500) used in the Access Network. MAIN RESPONSIBILITIES AND ACHIEVEMENTS: • Implementation of new SW components, including unit tests and basic joint tests • SW design maintenance, mainly of components related to copper access xDSL interfaces (ADSL, ADSL2/2+, VDSL2 and SHDSL) . • Analysis and solution of problems and bugs in the customer field, also interacting with Maintenance Customer Support Team or directly with the customer self. Remote or direct on-site debug session in the field. • Internal Point of Contact for the relation and support requests to xDSL chipset and application supplier. • Test bench setup to reproduce problems in the field within in the laboratory context. Management of internal xDSL test measurement inside SW laboratory. • Cooperation with external suppliers for third-party SW components in order to develop and integrate new features. Driving of design requirements for externally developed SW components. • Contribution and review of system pre-study documents and technical manual. • Expert on “line test methodology” on copper wire (DELT, SELT, VSELTm MELT). • Joining Plugfest and IT fairs Ericsson’s technical and business spokesman at DSL-IOL unit at the University of New Hampshire (US). From December 2009 to June 2010 on-site transfer of embedded software for IPDSLAM application from Ericsson Denmark Department in Struer (Denmark)

  • Application Engineer at Lantiq Deutschland GmbH

  • System Engineer at Ericsson

    system and software engineer within an “inter-divisional” project on “Energy efficiency through traffic control techniques” for TLC optical transport equipment (Ericsson SPO14xx) to be used in “New generation Green Network”. Responsibilities: • Research and introduction to features of energy savings. • Definition of hardware prototype requirements • Cooperation together with Ericsson Research Center and University of Genoa for the ECONET project (inside EU FP7 https://www.econet-project.eu/) • Definition of information model (sw equipment interface) for software prototype • Participation to BroadBand World forum fairs and Ericsson Innovation Days (http://www.ericsson.com/news/120115_demos_optical_transport_244159017_c)

  • Hardware Designer at Ericsson

    Hardware Designer of electronic units for Telecommunications equipment (DSLAM) used in Access network in Central Office site. Developed units: "60 channels ADSL2+ ATM”, “64 channels ADSL2+ IP”, “32 channels VDSL2 IP”, and VDSL2 DSM3 Bonding” and “32 channels SHDSL IP PWE3. Main Responsibilities and achievements: Hardware - firmware debugging Writing of project requirements and “implementation proposals” Comparison of basic electronic components on the market with cost evaluation; Implementation of subsequent Electric Scheme Design phase, Circuit Layout Consideration, BOM fill, Electronic circuit simulation. Elemental CPLD design. Writing of technical reports, description documents and production rules. March-December 2008: Working on Research and Prototyping project on Vectoring and Bonding technology in cooperation with Ericsson Research Stockholm: http://www.ericsson.com/us/thecompany/press/releases/2009/03/1297846