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New developments in multiple access schemes

Brought to you by The Radio Technology Group

Multiple access schemes are essential for any communication method that shares common channels. Speakers will review the background of multiple access schemes and explain the potential advantages of new developments.

About the event

Early telephone systems relied on human operators to switch calls to trunk lines. Modern digital systems rely on a wide range of techniques that control access in wired and wireless systems, including LANs and four generations of public mobile radio systems.
The quest for ever greater efficiency in spectrum use, increased capacity and reduction in latency is driving the investigation of novel non-orthogonal systems for 5G, such as PD-NOMA, SCMA, PDMA, LPMA, and MUSA.

Limited FREE places for non-members: We are keen to engage with, and foster the next generation of technologists and engineers - we have limited FREE places for non-members who are under 35. If you are interested in registering for one of these places please email harriet.carey@cambridgewireless.co.uk

POSTER EXHIBITION: If you would like to present a poster on one of the topics covered by the event please email harriet.carey@cambridgewireless.co.uk

You can follow @CambWireless on Twitter and tweet about this event using #CWRadioTech.

Sponsored by Rohde and Schwarz

Rohde & Schwarz UK Ltd is an independent sales, service and technical support provider to customers in the fields of test & measurement, broadcast and media, IT security, radiomonitoring and radioloaction as well as mission-critical radiocommunications.

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Paul Crane

Head of Practice. Mobile, Network Services and Sustainability, BT

Alain Mourad

Dr Alain A.M. Mourad holds a PhD degree in Telecommunications from ENST Bretagne in France. He has over 15 years’ experience in the wireless systems industry. He is currently leading the research and development of Next Generation Radio Access Networks at InterDigital International Labs (London, Berlin, Seoul). Prior to joining InterDigital, Dr. Mourad was a Principal Engineer at Samsung Electronics R&D (UK) and previously a Senior Engineer at Mitsubishi Electric R&D Centre Europe (France). Throughout his career, Dr. Mourad has been active in the research and standardization of recent communication networks (5G/4G/3G) and broadcasting systems (DVB/ATSC). He has held various leadership roles in the industry, invented over 40 granted patents and several other patent applications, and authored over 50 peer-reviewed publications. He received the Inventor of the Year Award from Samsung Electronics R&D (UK) twice in 2012 and 2013, and in 2016 InterDigital Innovation Award for the “idea, creation, and execution of InterDigital Europe”.

Juan Nogueira

Dr. Nogueira is director of the Center of Excellence for Wireless and Connectivity at Flex. In this role he is defining technology roadmaps, evaluating new innovative solutions, establishing strategic collaborations with partner companies and leading internal research programs in the field of wireless communication in general and Internet of Things in particular. Prior to working at Flex, he was Lead System Architect of advance development and system architecture first at Robert Bosch GmbH and then at Bosch Connected Devices and Solutions GmbH (BCDS) in Reutlingen (Germany). In this position he defined the connectivity technology roadmap that later concluded with the foundation of BCDS as the Bosch subsidiary focused in connectivity and IoT. Before that, he worked in corporate R&D for wireless communication and sensing systems at Sony Corporation in Stuttgart (Germany) where he held the positions of Senior System Engineer and Principal Engineer. Dr. Juan Nogueira holds a PhD in Telecommunications Engineering from the University of Vigo (Spain). He subsequently became an associated professor at the University of Vigo in the Electronic Technology Department, collaborating with industry on projects in the area of industrial field buses. He has written numerous articles and holds 20+ patents in the area of communication protocols and wireless sensor networks.

SIG Champions

Mark Beach

Mark Beach received his PhD for research addressing the application of Smart Antenna techniques to GPS from the University of Bristol in 1989, where he subsequently joined as a member of academic staff. He was promoted to Senior Lecturer in 1996, Reader in 1998 and Professor in 2003. He was Head of the Department of Electrical & Electronic Engineering from 2006 to 2010, and then spearheaded Bristol's hosting of the EPSRC Centre for Doctoral Training (CDT) in Communications. He currently manages the delivery of the CDT in Communications, leads research in the field of enabling technologies for the delivery of 5G and beyond wireless connectivity, as well as his role as the School Research Impact Director. Mark's current research activities are delivered through the Communication Systems and Networks Group, forming a key component within Bristol's Smart Internet Lab. He has over 25 years of physical layer wireless research embracing the application of Spread Spectrum technology for cellular systems, adaptive or smart antenna for capacity and range extension in wireless networks, MIMO aided connectivity for through-put enhancement, Millimetre Wave technologies as well as flexible RF technologies for SDR modems underpins his current research portfolio.

Brian Collins

Brian has designed antennas for applications including radio and TV broadcasting, base stations, handsets and consumer products, and has operated his own consultancy firm for the last 12 years. He has published more than 70 papers on antenna topics and contributed chapters to several recent textbooks. He operates a small consultancy company, chairs the Antenna Interface Standards Group and is an Honorary Visiting Professor in the School of Electronic Engineering and Computer Science at Queen Mary, University of London.

Diego Giancola

Diego has spent his career in radio systems R&D and modem design in the wireless communication sector, from 2G to the latest 4G evolutions. His research interests lie in multi-antenna systems and novel signal processing and architectures for radio signals. He currently co-runs PA's signal processing team and leads the research activities in LTE evolution and 5G landscaping. Diego has a first degree in telecommunication engineering and a doctorate in electronics and communication engineering from Politecnico di Milano.

Peter Topham

Peter has more than 30 years experience of RF and high-speed circuit design, taking chips into production ranging from FM Band II through cellular, Bluetooth and on to UWB at 10GHz. He has been with Qualcomm for 7 years, specialising in low-power RF design for portable and wearable products.


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The information supplied below may be subject to change before the event.


Registration and networking with refreshments


Introduction to Radio Technology SIG from Mark Beach, University of Bristol


Welcome from sponsor, Rohde & Schwarz


Paul Crane, Head of Practice. Mobile, Network Services and Sustainability, BT

Narrative to follow.




‘Massive MIMO a key enabler for sub-6GHz wireless connectivity’

Mark Beach, University of Bristol
This talk will describe the operation of sub-6GHz massive MIMO and how the ‘Marzetta’ based architecture differs to SDMA baseband beamforming. A brief description of the NI based Bristol Massive MIMO system with be given alongside an overview of field trials and results obtained to date. The talk will conclude by proposing a list of open research questions in the field.




‘Multi-RAT convergence – A new spin through the Edge!’

Alain Mourad, Senior Manager, Interdigital
The talk will discuss a new spin to Multi-RAT convergence brought by the recent paradigm of Edge (including Fog) networking and computing. This new spin is being addressed in the European-Taiwan 5G-CORAL project launched in September 2017. The concept and architecture of 5G-CORAL will be presented.




Refreshments and networking


'Low Power Wide Area Networks: Simple Access Technologies to Create the Big Data'

Juan Nogueira, Director of the Center of Excellence for Wireless and Connectivity, Flex
Big Data is not only becoming important because of the large amount of collected data, but also because of the large amount of data sources that contribute to it and that enables to run data analytics on them to extract the valuable information hidden behind them. Many of these sources are low cost and remote Things, providing unfrequently small amounts of data. However, research and development in wireless technologies in the last decades have been focused in improving spectral efficiency by increasing modulation complexity, spatial diversity, etc., to come as close as possible to the Shannon limit. These technologies are oversized for the connectivity needs of these Things and too expensive for a positive return of the required investment. To fill this gap, new wireless access solutions based in old RF technologies, commonly known as Low Power Wide Area Networks (LPWAN), were developed in the last 4 years to provide the four “L” these Things were demanding: Low data rate, Long range, Low power consumption and Low cost. This talk will review the most adopted LPWAN technologies, namely LoRa, SigFox Ingenu and NB_IoT, both from RF and market perspectives.




Dr Konstantino Nikitopoulos, Lecturer (Assistant Prof), Signal Processing for Wireless Communication

Dr Yi Ma, Senior Research Fellow, 5GIC, The University of Surrey
Narratives to follow.




Panel session with all speakers

Chaired by SIG Champion, Mark Beach, University of Bristol


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Old Hall, Girton College, Huntingdon Road, Cambridge, CB3 0JG

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