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2017 RF & Microwave Design Seminar
2017 RF & Microwave Design Seminar

RF, microwave and millimetre-wave design

techniques towards 5G systems

18 May 2017 | Møller Institute, Cambridge

Interlligent UK’s third RF and Microwave Design Seminar, was held at the Møller Institute, Cambridge, on Thursday the 18 May. Entitled RF, microwave and millimetre-wave design techniques towards 5G systems, it highlighted key topics in the industry. Experts in the field focused on one of the most exciting frontiers of today’s wireless technology – design considerations and practical measurement challenges for broadband millimetre-wave systems.

Programme speakers included:

  • Helen Duncan – CEO, MWE Media
    Towards 5G – Introduction

    A short summary of the target specification and use cases for 5G and the need for the use of mmWave frequencies for high data-rate applications and what challenges this may bring. (Download pdf or watch the video)
  • Doron Ezri – CTO Wi-Fi, Huawei-Tel Aviv Research Centre
    A New, Near-0dB PAPR Waveform for mmWave 5G: STORM

    mmWave is considered one of the technological building-blocks of 5G. However, at higher carrier frequencies, PA efficiency and linearity are naturally more challenging. This led the 3GPP to define DFT-Spread-OFDM (which implements a single-carrier waveform) as mandatory, alongside with OFDMA (at least up to 40GHz).In this talk STORM will be presented – a new waveform (based on DFT-Spread-OFDM) which exhibits near 0dB PAPR. In a nutshell, STORM is a superposition of two (specially crafted) single carrier waveforms, where one “corrects” the PAPR of the other. STORM is attractive as it leads to significant link-level gains over DFT-Spread-OFDM and OFDMA (up to 7.4dB) in a variety of scenarios. Moreover, the STORM transceiver is implemented with simple changes to a Vanilla flavored DFT-Spread-OFDM transceiver – so a multimode transceiver (enjoying all worlds – implementing OFDMA, DFT-Spread-OFDM and STORM) is very natural and straight-forward. (Download pdf or watch the video)
  • Maziar Nekovee – Professor of Telecommunication and Mobile Technologies and Head of Department of Engineering & Design, University of Sussex5G in mmWave Frequencies: Standards, Spectrum and Early Uses

    A discussion on the current status and expected timelines of 5G standardization, spectrum allocation and initial products and a description of recent research on spectrum sharing for  5G access in licensed and unlicensed milimetre-wave bands.  (Download pdf or watch the video)
  • Mir Ghoraishi – Project Leader, 5G Testbed and Proof-of-Concept,  5G Innovation Centre, University of Surrey 
    Challenges in mmWave Wireless Channel Measurement and Analysis

    Emerging millimetre-wave technologies impose tough channel sounding requirements. This is because bandwidth is very wide, e.g. more than 1 GHz, the link is normally super directional, e.g. pencil beams by employing large arrays and beamforming techniques, and the blockage can happen easily as movement of medium size objects can have significant effects on the communication link causing fast variations in the channel. On the other hand the radio system, switches and antenna array design and implementation at mmWave are complicated and expensive.  This talk presents an overview of the specific challenges for millimetre-wave channel sounding and data analysis. (Download pdf or watch the video)
  • Chris Clifton – CTO and Divisional Director, Sony Europe-SES
    5G Implementation Challenges and Potential Solutions

    The disruptive opportunities of 5G technology are first highlighted followed by a discussion on the challenges associated with mmWave communications and how these can be mitigated by approaches such as beamsteering. Then various front-end architectures are highlighted together with the potential implications to the required specifications of front-end components such as filters and phase shifters.(Contact Interlligent for information:
  • Liam Devlin – CEO, Plextek RFI
    mmWave Technologies and Components for 5G Applications

    Work is now well under way on the design and development of the first mm-wave 5G demonstrator system. The ultimate aim of these systems is to provide a huge increase in the available data-rates for mobile users. A much quoted goal is to have a network capable of providing seemingly infinite capacity and negligible latency. Operation at mm-wave frequencies allows the use of much wider channel bandwidths and facilities achievement of the ambitious data rate targets. This presentation discusses the likely operating bands and the options and trends for the realisation of mm-wave components. It is illustrated with examples of mm-wave components designed by Plextek RFI for deployment in the first mm-wave 5G demonstrator systems (Download pdf or watch the video)

  • Mike Geen – Head of Engineering, Filtronic Broadband
    mmWave Solutions for 5G Backhaul

    This presentation looks at some of the challenges 5G poses for wireless backhaul infrastructure and the role millimetre-wave technology plays in finding solutions.  It includes an examination of the link budget and how this flows down to the specification and design of millimetre-wave transmitters, receivers and filters (Download pdf or watch the video)

  • Ray McConnell – CTO,  Blu Wireless Technology
    Gigabit Baseband Modem Technology for 5G mmWave Applications

    New radios operating in the millimetre wave (>30GHz) bands will form an essential part of 5G due to the ability to deliver gigabit datarates with low latency. Both licensed and license free bands have recently been opened by the FCC at 28GHz, 39GHz, 57 – 71GHz and higher frequencies. This is driving the development of a number of wireless systems targeted at consumer and mobile applications – most notably the 802.11ad extension of the WiFi standard marketed as WiGigTM. This is forecast to develop into a mass market measured in billions of devices per annum over the next 5 years. Meanwhile, MSOs are being driven to rollout dense LTE mobile networks to meet the exponentially increasing data demands for their customers. This presentation provides an overview of relevant wireless technologies needed to deliver against these expectations with focus on advanced flexible gigabit wireless baseband modem technology based on a recent modem SoC development based on the HYDRA modem technology from Blu Wireless. Finally, consideration is given on how this modem technology can be applied to a number of 5G use cases.(Download pdf or watch the video)
  • Tim Masson – Application Engineer, Keysight Technologies
    mmWave Measurement Challenges for 5G

    Much of the test equipment currently in place for communications systems is limited to a 6GHz carrier frequency and a 160 MHz modulation bandwidth. 5G is breaking these 4G limitations, creating requirements for much wider bandwidths, operating in higher frequency bands. This paper looks at some significant measurement challenges for testing 5G transceivers and subsystems working at millimeter wave frequencies in the 28 – 40GHz and higher frequency bands. (This could say 60GHz – or really anywhere 50 – 110GHz where the techniques are largely similar).Some of these test & measurement challenges  are studied starting with the challenge of generating high quality test signals at mmWave operating frequencies. These signals need to be available with accurately calibrated power levels, carrying complex baseband modulation with several GHz bandwidth with good modulation accuracy. Several different generation architectures are outlined and for each the predominant causes or error are examined. Techniques for improving modulation accuracy are described and the concept of traceable signal quality is introduced. Typical operating performance is outlined. (Download pdf or view the video)

The seminar was accompanied by a small table top exhibition which included: CST; Filtronic Broadband; AceAxis ; Farran Technology; Intelliconnect and Keysight Technologies (EDA)


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