Aug 2020 - PresentExpert and Technical Leader - Huawei Technologies France
Technical Leader of the Network Optimization team at the Huawei Paris Research Center, France, working on data-driven large-scale network optimization, energy efficiency and network reliability.
Apr 2019 – Feb 2020Distinguised Member of Staff - Nokia Bell Labs
Before leaving Nokia, I led Bell Labs research on future indoor networks, investigating both new multi-antenna technologies as well as ultra-reliable low latency features. I was also responsible for a cross-organisation project, targeted at Industry 4.0, named as hyper-critical wireless, in which I coordinated over 20 researchers.
May 2015 – Apr 2019Senior Research Scientist - Nokia Bell Labs (former Alcatel-Lucent Bell Labs)
As a senior member, I pioneered work on LTE and WLAN inter-working, forming part of the team that invented Wi-Fi Boost, later standardised as 3GPP LWIP. After that, I organised Nokia’s research efforts on ---and contributions to--- IEEE 802.11be. The outcomes of these two works had standardisation and business impact.
May 2012 – May 2015Research Scientist - Alcatel-Lucent Bell Labs
During my first epoch at Bell Labs, I did extensive analyses, both theoretical and simulated, on ultra-dense networks, and developed both inter-cell interference and mobility management techniques. During these years, my work resulted in a large number of patents, which are exploited today by Nokia Technologies.
Aug 2010 - Dec 2011Research Associate - King's College London
I worked as a Research Associate at the Center for Telecommunication Research, King's College London, London, UK, on the development of inter-cell interference mitigation solutions through downlink orthogonal frequency multiple access resource allocation in networks that have small cells overlaid on macrocells
May 2007 - Apr 2011PhD Marie Currie Fellow - Univeristy of Bedfordshire
Thesis: “Practical Models and Optimization Methods for Inter-Cell Interference coordination in self-organizing cellular networks” --- Reviewers: Dr. Holger Claussen, Head of Autonomous Networks and Systems Research Department at Bell Labs, Alcatel-Lucent, Dublin, Ireland and Prof. Carsten Maple, Head of Computer Science and Technology Department at University of Bedfordshire, Luton, UK
Sep 2003 - Sep 2006MSc Telecommunication - Universidad Miguel Hernandez
Thesis: “Development of the frequency planner, AFP-Tool, for GSM/DCS mobile networks of VODAFONE Spain”
Sep 2000 - Sep 2003BSc Telecommunication Systems - Universidad Miguel Hernandez
Thesis: “Performance analysis of diversity techniques for Hiperlan/2 networks. Design of a link layer simulator”
David is one of the top researchers in Bell Labs globally and an outstanding leader. He has made exceptional research contributions in the field of small cells and communication networks, both in the theoretical and practical sides. David also made significant contributions to Nokia’s business with his pioneering work on different technologies, such as Wi-Fi Boost, LTE WLAN radio level integration with IPsec tunnel (LWIP), LTE WLAN aggregation (LWA) and massive MIMO unlicensed. Most recently, he led Bell Labs’ global flagship project on Hyper Critical Wireless Access. In summary, David is a role model as a researcher and leader, an exemplary collaborator and a dedicated mentor. It was a great pleasure working with him.Dr. Holger Claussen (Line Manager) - Nokia Bell Labs
David worked as an invited researcher in DOCOMO Innovations, Inc., during the summer of 2011. We worked together with him on mobility enhancements for heterogeneous networks. In a short time, David implemented a detailed simulator that incorporated the specific simulation assumptions in an ongoing 3GPP RAN2 study item. He then came up with several ideas to improve the mobility performance. Research outcomes from his visit include two workshop papers in ICC-2012 and WCNC-2012. David is one of the most hardworking, productive and detail-oriented researcher that I have ever worked with. I was impressed by his performance. He has a very pleasant personality and excellent communication skills.Ismail Guvenc (Internship Supervisior) - Docomo Innovations Inc.
David was the named Researcher Co-Investigator on the EPSRC project “OFDMA Downlink Resource Allocation in User-Deployed Femtocells”. Throughout the project, he played a key role in the project management, research and innovation, dissemination and exploitation activities. Importantly, David led the two research tasks: (i) the development of a low-complexity interference-avoidance solution based on partial temporal and spectral reuse of OFDMA radio resources between femtocells, and (ii) the development of a dynamic time-frequency resource allocation algorithm for the downlink of macrocell OFDMA based systems. I thoroughly enjoyed this fruitful collaboration and recommend David very highly.Dr. Xiaoli Chu (Postdoctoral Supervisor) - King's College London
David demonstrated excellent academic aptitudes, both in terms of the novelty and contribution of his findings and during teaching. His work capacity and his positive attitude made him an asset of great value to the team. David is a responsible person, capable of quickly learning concepts in all areas of telecommunications. He showed a remarkable capacity for doing research in heterogeneous topics such as interference modelling and avoidance, self-organising networks and system-level studies. David also has the capacity of explaining complex technical concepts to students and colleagues. Overall, David is a talented researcher, who has the potential to become a great asset for academia and industry. I highly recommend him to you.Prof. Jie Zhang (PhD Advisor) - Univeristy of Bedfordshire
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