Experience

Cobham Wireless
• Human Resources Services
• 1 - 100 Employee
• Software Engineering

  • Nov 2014 - Present


Broadcom

• United States
• Semiconductor Manufacturing
• 700 & Above Employee

• Principal Software Engineer

  • Dec 2010 - Sep 2014

  (Employer was formerly Renesas Mobile Europe, who were wholly acquired by Broadcom in December 2013) Member of Modem Software team, producing Cellular Protocol Software for chipsets/SoC's sold to many mobile phone manufacturers worldwide - Software architecture/design/implementation Produced architecture & designs for major 3G features including Enhanced HS Uplink (“Flexible L2 Uplink”) and Enhanced Cell-FACH Uplink (“HS-RACH”) Contributed to major re-architecture/re-implementation of LTE user plane to support traffic shaping and achieve performance improvements, Led small team implementing/testing the Semi Persistent Scheduling feature Implemented functionality for dual SIM operation - Optimisation of new and existing software Ensured that new software designs were optimal in terms of MIPs, current usage, processing speed and memory usage. Also studied existing software asset to identify and proposed improvements in these areas. - Customer support: Analysed requirements received from a number of chipset customers worldwide including the world’s leading manufacturer of mobile phones. Analysed field testing issues identified by customers, covering all areas of modem operation. Identified specific errors and proposed and/or implemented fixes. - Error and issue analysis Analysed logfiles from internal lab testing and field testing, ranging from top-level analysis of the whole modem, to fine and detailed analysis of L2 behaviour. Where appropriate, solutions were proposed and/or implemented. - Tool development Devised and developed a variety of PC-based tools in order to simplify and speed-up the analysis of issues. The tools were mostly written in Perl, with some using C#. - Knowledge transfer and mentoring: Provided training covering the MAC and HSPA/HSPA+ asset to colleagues totalling over 25 hours. Provided guidance and regular one-to-one mentoring to more junior team members and took part in reviews of others’ work, both within and outside my own team.. Show less



Nokia

• Finland
• Telecommunications
• 700 & Above Employee

• Software Engineer rising to Senior Software Specialist

  • Feb 2000 - Nov 2010

  Member of Modem Software team developing Cellular Protocol software for use in Nokia's own Mobile Phones. - Development and technical leadership of Nokia’s 3G MAC layer : Played leading part in overall architecture, design, implementation and testing of Nokia’s first 3G protocol stack. Personally produced internal design of MAC layer. Technical lead for MAC layer throughout this period., responsible for the ongoing quality as the entity was enhanced to support HSPA/HSPA+ features amongst others. this MAC layer has been in all of Nokia’s 3G-capable mobiles : a worldwide total well in excess of 100 million units. - Development of HSPA/HSPA+ features and other 3G enhancements: Produced L2/L3 architecture, and detailed designs for a number of features and enhancements. Subsequently led sub-teams implementing, integrating, and verifying the feature. The features include: • HSDPA • HSUPA • Enhanced HS Downlink (“Flexi L2 Downlink”) • Voice over HSPA - IPR and patents: Inventor on a number of patents, several of which are key 3GPP standardisation patents Inventions include the HSUPA format selection algorithm, which is standardised in 3GPP and mandatory for all HSUPA phones worldwide. This has earned substantial royalties for the company. Contributed and supported the patent creation process from initial idea through to granting of patent. Acted as expert witness in patent disputes, providing technical advice to legal department and writing legal depositions for the court. Show less