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5G: Converging Towards IMT-2020 Submission

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Thursday, 26 October 2017 • 11:00 AM EDT, 8:00 AM PDT, 15:00 UTC/GMT

Available on Demand

The path to 5G standardization is a long one with a very busy and tight schedule. Several milestones towards IMT-2020 submission have been reached in various standards organizations. After releasing the IMT-2020 requirements document earlier in February, the ITU-R WP5D group has delivered the IMT2020 evaluation document in June, setting the stage for standards organizations to propose and submit radio interface technologies for evaluation. This webinar will shed light on the complex standardization and evaluation process for IMT-2020 and will provide updates on the latest status following the ITU-R workshop on IMT-2020 terrestrial radio interfaces that took place on Oct. 4th in Munich, Germany.

mmWave 5G Phased Array and Beamforming System Design

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Thursday, 28 September 2017 • 1:00 PM EDT, 10:00 AM PDT, 17:00 UTC/GMT

Available on Demand

Beamforming phased array systems are becoming essential in 5G and next generation communications, especially in mmWave frequency bands. This webcast introduces advanced modeling and simulation approaches for various beamforming techniques. We will demonstrate phased array system design while using practical phased arrays in working, system-level beamforming scenarios. The webcast includes a live software demo with typical configurations, weightings, and impairments that affect beam-level performance (such as nonlinearities, coupling, and element variations). We then show how to apply the arrays in communications link applications such as Verizon pre-5G system and 3GPP NR.

Addressing Direction Finding in Over-the-Air Testbeds and Prototypes

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Tuesday, 19 September 2017 • 2:00 PM EDT, 11:00 AM PDT, 18:00 UTC/GMT

Available on Demand

Direction finding has found use in many applications that include military or security, spectrum monitoring, geo-location and intelligent communications like SDMA. It is an indispensable first step in most radio-detection systems. Multi-antenna systems make direction finding easier and reliable. As the source signal reaches an antenna array, one can take advantage of the variations in the received signal at each antenna, together with the knowledge of the array characteristics, to determine the direction of arrival of the signal. This approach requires the antennas to be calibrated and synchronized, and achieving this, is a challenge. This Webinar provides an overview of the practices and methodologies employed in direction finding particularly for communication systems, highlighting their advantages and drawbacks. An overview of a 128-antenna massive MIMO testbed will also be given to provide an example of how practical direction-finding research could be conducted.

5G Massive MIMO: Achieving Spectrum Efficiency

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Thursday, 24 August 2017 • 2:00 PM EDT, 11:00 AM PDT, 18:00 UTC/GMT

Available on Demand

Massive MIMO (multiple-input, multiple-output) promises the simultaneous transfer of many incoming and outgoing messages at once. While traditional cellular base stations might leverage four antennas, a Massive MIMO array features dozens that is complemented with smart signal processing to simultaneously and efficiently route messages to their intended destinations. This webinar will look at the challenges that researchers in this field face in developing these complex systems. It will highlight how the system concept can be exploited in the actual design and yields attractive implementations. It will show the status of demonstrators in Massive MIMO testbeds, which are contributing to a smooth development of these systems and their experimental validation.