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Fachzeitschrift für Hochfrequenz- und Mikrowellentechnik

Test & Measurement

Test & Measurement Channel Sounding Measurement Solution for 5G Wireless mmWave frequency band is one of the critical steps required to enable 5G data rates, spectrum flexibility and ultra-broad bandwidth. 5G, the next generation of wireless communications, is expected to introduce a number of enhancements and new technologies enabling data rates of greater than 1 Gbps, making the Internet completely mobile. The channel sound measurement solution enables creation and validation of channel performance models for the mmWave frequency band. Keysight Technologies, Inc. affirmed its technology leadership in 5G wireless research with the announcement of a mmWave channel-sounding measurement. First demonstration was at Mobile World Congress. Channel sounding for the To achieve higher data rates, a new air interface standard for mmWave bands is being developed using mathematical models for channel performance. Developers can use Keysight’s channel sounding measurement solution to create channel performance models. They can then use those models with its industry-leading SystemVue system level design News Globalfoundries Joins imec to Develop Innovative RF Solutions for Internet of Things Applications Collaboration to address critical challenges in radio architecture design in multiband, multimode mobile radios and ultra-low power (ULP) wireless devices. • Cooperation on critical digital-intensive RF architectures and analog circuits for mobile communications and IoT sensor nodes. • Research will leverage GLOBAL- FOUNDRIES CMOS technology platforms optimized to boost RF performance of IC’s. Globalfoundries announced a partnership with imec, a leading nanoelectronics research center, for joint research on future radio architectures and designs for highly integrated mobile devices and IoT applications. A key challenge for next-generation mobile devices is controlling the cost and footprint of the radio and antenna interface circuitry, which contain all of the components that process a cellular signal across the various supported frequency bands. Today, a typical mobile device must support up to 28 bands for worldwide 2G, 3G, 4G, LTE network connectivity, and more complex carrier aggregation schemes and additional frequency bands are expected for future generations. These challenges are driving the need for an agile radio that integrates many of the separate components into one piece of silicon, including power amplifiers, antenna switches, and tuners and provides a solution which is both flexible and low cost. Globalfoundries will closely collaborate with technical experts from imec to investigate low-power and compact high-performance agile radio solutions that will enable a broad range of radio architecture design - targeting improvements in area, performance and power consumption. Globalfoundries will also partner with imec to develop innovative ultra-low power IC design solutions leveraging Globalfoundries’ CMOS technology to address the demanding requirements of tomorrow’s IoT devices. Ultimately, the partnership aims to build a technology and design infrastructure that will enable future RF architectures while minimizing critical interface requirements for radio power consumption and performance. ■ imec, www.imec.be ■ GLOBALFOUNDRIES www.globalfoundries.com 52 hf-praxis 5/2015

RF & Wireless Test & Measurement and simulation software for 5G air-interface development and validation. Keysight’s innovative hardware and software provide the cutting edge capabilities required for 5G research. Its M8190A arbitrary waveform generator provides the highest sample rate and resolution in the industry. Keysight’s PSG vector signal generator provides the industry’s widest I/Q modulation capability. Its downconversion and signal conditioning modules provide a scalable configuration for wideband signal capture and analysis, with the accuracy required for 5G research. Using Keysight’s unique SystemVue 5G Baseband Exploration Library, engineers can extract and simulate realistic channel models. The VMETER-DCLV10 from Farsens S.L. is a battery free RFID sensor tag capable of transmitting a unique identifier and the associated voltage level measurement data to a commercial EPC C1G2 reader without the need of a battery on the sensor tag. This device can measure voltages in a range from 0 V to 1.5 V with an adjustable gain of 1-1000. The VMETER-DCLV10 has a 96 bits EPC number, a 32 bit TID and a password protected Kill command. The tag comes in a variety of antenna designs and sizes to adapt the performance to the required application in the 860 - 960 MHz band. The reading distance for the batteryfree thermistor tag is around 1.5 meters (5 feet) and it can be embedded in a wide variety Keysight’s channel sounding solution enables: • Generation of up to 2 GHz wide stimulus signals at mmWave frequencies • Transmission of signal-toantenna array for multi-channel measurements • Capture of transmitted and reflected mmWave sounding signals for extraction of selected channel characteristics • Real time measurements using open FPGAs for long, continuous data acquisitions • 3D channel measurements for highly directional antennas ■ Keysight Technologies, Inc. www.keysight.com The VMETER, a battery-free RFID voltage level monitoring tag of materials such as plastics or concrete. It can also be encapsulated in an IP67 or IP68 casing for usage in harsh environments. Evaluation kits are available. VMETER-DCLV10 tags offer R&D teams the opportunity of using proprietary voltage based sensors in battery-free mode. The VMETER-DCLV10 provides battery-free and wireless communication means to those companies looking for this kind of solution. Typical voltage based sensors include load cells or strain gages amongst others. Farsens designs and manufactures full passive RFID sensor solutions. Their proprietary UHF RFID IC allows Farsens to develop long range solutions for asset tracking – via the unique ID – and monitoring – via the attached sensor – without the need of any battery on the tag. ■ Farsens S.L. info@farsens.com www.farsens.com Software Flexible Signal-creation Software Keysight Technologies, Inc. announced N7608B Signal Studio for custom modulation software. The new software helps speed time to insight by making it easier to create custom waveforms for 5G applications. In the early stages of 5G research, flexibility is the key to investigating new waveforms, frequency bands and bandwidths. Signal Studio for custom modulation provides this flexibility through a suite of tools that enables creation of emerging 5G candidate waveforms, such as filter bank multicarrier (FBMC), as well as custom OFDM and I/Q configurations. For accurate testing of hardware designs, the software provides connectivity to Keysight signal generators and arbitrary waveform generators (AWGs). “This enhancement to Signal Studio is another powerful addition to our industry-leading range of design and test tools that support the development of communication systems for 5G wireless and satellite applications,” said Satish Dhanasekaran, marketing manager of Keysight’s Microwave and Communications Division. “By providing easy access to the right test signals, Signal Studio for custom modulation streamlines development, allowing researchers to try more candidate signals in less time as they explore next-generation waveforms.” The new capabilities are also useful in aerospace/defense applications such as military communications and satellites that often utilize custom or proprietary waveforms not directly supported by commercial, offthe-shelf (COTS) test equipment. For these applications, Signal Studio includes custom I/Q quick setups such as digital video (e.g., DVB-S2X APSK), custom SOQPSK and custom OFDM that users can modify to fit their requirements. Signal Studio for custom modulation is also the signal-creation companion to the 89600 VSA software with Option BHK, custom I/Q modulation analysis; and Option BHF, custom OFDM modulation analysis. As an example, a test engineer can save a custom OFDM VSA file in N7608B Signal Studio and recall the setup file in the 89600 VSA software to demodulate and analyze signals. To produce test signals, Signal Studio for custom modulation supports the Keysight E8267D PSG microwave vector signal generator, N5172B EXG and N5182B MXG RF vector signal generators, and M8190A AWG. ■ Keysight Technologies UK Ltd www.keysight.com hf-praxis 5/2015 53

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