Engineers at Rutronik have conducted a new study on the latest generation of Bluetooth Low Energy through a series of extensive real-world tests. Aimed at determining the communication range, data throughput, and energy consumption of the Bluetooth 5 line, the study analyzes the performance of the wireless standard under various conditions, and gives insights into the […]
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Bluetooth Mesh surpasses all expectations in one year
Dave Hollander, Director of Marketing at Bluetooth SIG Over the past two decades, Bluetooth technology has continuously added new technical capabilities that have enabled innovation and established new markets, from wireless audio to connected devices. The addition of mesh networking support continues that trend and ensures that Bluetooth will continue to play a pivotal role […]
So what’s all this compound semiconductor wafer stuff?
David Danzilio from Wind Semiconductor sat down with us to explain some of the basics behind fabricating wafers in the compound semiconductor area. Compound semiconductors have a lot of commercial applications in optoelectronics. Many have a direct bandgap that makes them efficient light emitters. (As a quick review, the band gap is called direct if […]
A simplified way of devising 5G phased arrays
We recently got a tour of Qorvo‘s new RF front-end module from Qorvo’as Bror Peterson and Keysight’s Osamu Kusanois. The module is said to be the world’s first 39-GHz front-end that integrates a power amp, low-noise amp, and switch in one small package. The module uses gallium nitride technology to get a high power density. […]
Million-mile drives on computers that don’t move
Simulation is the only way to get the kind of confidence necessary to field autonomous vehicle functions. Karsten Krügel, Sven Flake, dSPACE GmbH HOW do you ensure that an autonomous vehicle will perform safely when the driver’s responsibility has essentially been removed? The necessity for reliable operation under this scenario is raising major challenges within […]
Inertial measurement units will keep self-driving cars on track
IMUs are just as important as cameras and radar when it comes to operating autonomous vehicles reliably. Mike Horton, Aceinna Inc. AN inertial measurement unit (IMU) is a device that directly measures a vehicle’s three linear acceleration components and three rotational rate components (and thus its six degrees of freedom). An IMU is unique among […]
How to test time-sensitive networks effectively
Connected vehicles depend on networks that won’t bog down when handling real-time data. Specialized TSN tests ensure messages arrive on time and intact. Jeff Warra, Spirent ETHERNET has been the backbone of IT infrastructure for more than 40 years, but it was never designed to be a determinist network. That’s why, over time, Ethernet standards […]
When tire pressure monitoring gets smart
Bluetooth-enabled tire monitors will check inflation pressures and temperatures with much more precision than available through yellow lights on a dash panel. Addy Mulders, Dialog Semiconductor THE words “connected cars” often bring to mind self-driving autonomous vehicles. But connected cars will offer a variety of capabilities, not the least of which is tire pressure monitoring […]
The tricky business of teaching cars to see
Neural network software can be difficult to debug. One reason: It functions only vaguely in the way it has been explained to the general public. Leland Teschler, Executive Editor CRACK open an autonomous-driving vehicle and you will find neural networks taught to recognize objects such as pedestrians, road signs, and other vehicles. Recent accidents involving […]
Connecting the car is the easy part
At the annual conference of the Society of Automotive Engineers, no small number of technical papers cover issues surrounding driver interactions with features on the car dashboard. Touchscreens, in particular, are a hot topic. You can find SAE papers with impressive-sounding titles such as, Touch Interactive Display Systems: Human Factors Considerations, System Design and Performance […]