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Thread: 5G Wireless Communications, Rohde & Schwarz GmbH & Co KG, Munich, Germany

  1. #11


    Demystifying 5G – UFMC signal demodulation

    Published on Mar 24, 2016

    How to demodulate UFMC signals? Universal filter multi carrier (UFMC) is one of the deliverables of the EU-funded 5GNOW project. Rohde & Schwarz implemented UFMC and other 5G waveform candidates in their signal generator and signal analyzer solutions. This enables researchers to compare waveform candidates with each other and their own proposals, perform hardware in-the-loop experiments such as analyzing the impact of non-linear devices (e.g. power amplifier) to the signal characteristics and optimize RF front-end designs.

  2. #12


    Demystifying 5G – PAPR: Difference for 5G PHY layer concepts vs. LTE

    Published on Jun 28, 2016

    The peak-to-average power ratio (PAPR) is a critical parameter for describing a waveform, such as OFDM. 5G waveform candidates, such as FBMC, UFMC and GFDM, are also OFDM-based. In this video we explore the PAPR for these waveforms and compare them to LTE, a fully standardized technology including scrambling and channel coding methods. FBMC, UFMC and GFDM are pure physical layer concepts and thus lack of a fully defined scrambling method. How this fact impacts the PAPR for the 5G waveform candidates is also analyzed.

  3. #13


    Demystifying 5G – PAPR: Generating a scrambled payload sequence

    Published on Jun 28, 2016

    Even 5G waveform candidates, such as FBMC, UFMC and GFDM, are based on OFDM, they are pure physical layer concepts that lack of a fully defined scrambling method. This results in a varying peak-to-average power ratio (PAPR) depending on the used payload data which are typically pseudo noise (PN) sequences. In this video we describe how to generate a scrambled bit sequence using the LTE standard.

    The demystifying 5G video series discusses main topics related to 5G including requirements, timeline, potential frequency and waveform candidates.

  4. #14


    Demystifying 5G – PAPR: Scrambled payload sequences for 5G waveform candidates

    Published on Jun 29, 2016

    In this video we explain how to use a scrambled bit sequence as payload in form of a data list for 5G waveform candidates, such as FBMC, UFMC or GFDM, using the R&S®SMW200A vector signal generator.

  5. #15


    Demystifying 5G – 5G power amplifier characterization

    Published on Jun 30, 2016

    In this video we explore how to set up Rohde & Schwarz signal generators and spectrum analyzers to characterize a 5G power amplifier using 5G waveform candidates, such as FBMC, UFMC or GFDM.

  6. #16


    Demystifying 5G – Full power frequency sweep for 5G PA characterization

    Published on Jul 4, 2016

    5G power amplifiers typically support a power range and a frequency band. It is important to characterize the amplifier for these settings using power and frequency sweep and 5G waveform candidates such as FBMC, UFMC and GFDM. This video demonstrates a power vs. frequency sweep while measuring error vector magnitude (EVM), crest factor, adjacent channel leakage power ratio (ACLR) and other relevant parameters using the R&S®SMW200A vector signal generator and R&S®FSW signal and spectrum analyzer from Rohde & Schwarz.

  7. #17


    Demystifying 5G – External harmonic mixer vs. spectrum analyzer

    Published on Jul 5, 2016

    How to extend the frequency range of your spectrum analyzer? You can either use external harmonic mixers or invest in a new spectrum analyzer that covers the required frequency range. This video explains the differences between both methods and why a spectrum analyzer has a clear advantage compared to an external harmonic mixer.

  8. #18


    Demystifying 5G – US is leading the race for 5G frequency candidates

    Published on Nov 9, 2016

    In July 2016 the Federal Communication Commission (FCC), the US regulator, decided to open up additional spectrum for future 5G wireless communications. This video provides a summary on the intended frequency bands for 5G in the US and explains the potential auction principles.

    The demystifying 5G video series discusses main topics related to 5G including requirements, timeline, potential frequency and waveform candidates.

  9. #19


    Demystifying 5G – 5G specification published by Verizon Wireless

    Published on Nov 10, 2016

    In July 2016 Verizon Wireless, the United States tier-1 network operator, published a first set of technical specification for a proprietary 5G wireless communications standard. The standard is based on LTE Release 12 and intended for "fixed wireless access". This video provides some background information and compares the Verizon Wireless 5G standard with the current LTE specification from a physical layer point of view.

  10. #20


    Demystifying 5G – Verizon Wireless 5G waveform

    Published on Nov 11, 2016

    How to configure a waveform that follows the Verizon Wireless 5G specification is the topic of this video. The focus is on downlink and synchronization signals, broadcast channels and beamforming reference signals.

    The demystifying 5G video series discusses main topics related to 5G including requirements, timeline, potential frequency and waveform candidates.

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