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  • Multi-Channel Signal Generation Applications with R&S®SMW200A – Overview

    The R&S®SMW200A vector signal generator has the outstanding ability to simultaneously generate up to eight independent signals from a single instrument. The advanced multi-channel architecture allows realizing even complex applications like MSR, carrier aggregation, MIMO or enhanced interference scenarios with a minimum of effort.This application note gives an overview of common multi-channel application examples and how to equip the Rohde & Schwarz signal generator R&S®SMW200A appropriately.

  • Narrowband Internet of Things Measurements

    The Internet of Things (IoT) is considered the driving force of current and future wireless communications. In release 13, 3GPP has specified Narrowband-IoT (NB-IoT) as a new physical layer. This application note gives a short introduction to NB-IoT and shows the easy measurements with Rohde & Schwarz instruments.

  • LTE Transmission Modes and Beamforming

    Multiple input multiple output (MIMO) technology is an integral part of 3GPP E-UTRA long term evolution (LTE). As part of MIMO, beamforming is also used in LTE. This white paper discusses the basics of beamforming and explains the ten downlink and two uplink MIMO transmission modes in LTE Release 12.

  • Antenna Array Testing - Conducted and Over the Air: The Way to 5G

    5G networks will need to offer more capacity and flexibility while lowering the operational expenses of the system. Two new technologies can simultaneously address both the increase in capacity and the increase in energy efficiency: Virtualization & Massive MIMO. This white paper provides an overview of test solutions addressing current and future requirements for antenna verification including both conducted and over-the-air (OTA) test methods, which result from applying Massive MIMO antenna technology.This white papers complements the "Millimeter-Wave Beamforming: Antenna Array Design Choices & Characterization" white paper (1MA276) from Rohde & Schwarz, which introduces fundamental theory behind beamforming antennas and provides calculation methods for radiation patterns, a number of simulation results as well as some real world measurement results for small linear arrays.

  • Expanding Mobile Capacity: The Evolution to LTE-U and LAA

    Expanding Mobile Capacity: The Evolution to LTE-U and LAAMicrowave Journal - 5G and IoT Rohde

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  • Share a 1 GHz reference to obtain phase-coherent signals

    Phase stability over time is a key characteristic for phase-coherent signals. A common 1 GHz reference signal maintains high phase stability between the RF outputs of multiple R&S®SGT100A SGMA vector RF sources.

  • Increase the IP connection security of your IoT device

    The new IP connection security analysis solution for the R&S®CMW500 platform identifies IoT and mobile communications devices’ IP connection vulnerabilities in an early stage of development.

  • Visualize your  radio network  performance

    The drive test solution from Rohde & Schwarz features convenient data export to visualize your radio network performance in Google Earth.

  • Signals for LTE FDD Repeater Conformance Testing according to 3GPP TS 36.143

    This application note helps the user to configure a Rohde & Schwarz vector signal generator for LTE FDD repeater conformance testing. It explains step by step how to set up the baseband signal for the various test cases defined in the 3GPP Technical Specification 36.143.The R&S®SMx vector signal generators provide predefined, LTE-conform test models and are therefore ideal for LTE repeater conformance testing. The test cases in TS 36.143 can be set up with a single instrument which provides all necessary test signals including the four specified repeater stimulus signals.

  • LTE- Advanced (3GPP Rel.11) Technology Introduction

    The LTE technology as specified within 3GPP Release 8 was first commercially deployed by end 2009. Since then the number of commercial networks is strongly increasing around the globe. LTE has become the fastest developing mobile system technology. As other cellular technologies LTE is continuously worked on in terms of improvements. 3GPP groups added technology components into so called releases. Initial enhancements were included in 3GPP Release 9, followed by more significant improvements in 3GPP Release 10, also known as LTE-Advanced. Beyond Release 10 a number of different market terms have been used. However 3GPP reaffirmed that the naming for the technology family and its evolution continues to be covered by the term LTE-Advanced. I.e. LTE-Advanced remains the correct description for specifications defined from Release 10 onwards, including 3GPP Release 12. This white paper summarizes improvements specified in 3GPP Release 11.

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