Knowledge
Real-time time-division multiplex wireless network with Bluetooth® LE
Describes the development of a real-time wireless network based on Bluetooth LE, deliberately avoiding existing mesh stacks. The focus is on architectural decisions, the use of the Nordic Timeslot API, and the challenges of latency-critical applications. (ECC 2024)
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Development of a Bluetooth® Low Energy device with Bluetooth® 4.0
Outlines the development of Bluetooth from a purely radio technology to an established standard for wireless audio applications. Key technical milestones and the current significance of Bluetooth for modern consumer and audio products are discussed.
Hier erfahren Sie, in welchen Projekten wir diese Kompetenzen erfolgreich umgesetzt haben:
Radio function test in the production process
Demonstrates how wireless products can be tested efficiently and reproducibly in series production to ensure consistent quality. It discusses proven test strategies, typical failure modes, and the targeted use of test equipment depending on production volume and costs. (Radio & EMC 2023)
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Limitations of 2.4 GHz in IoT – and how sub-GHz overcomes them
Analyzes the limitations of 2.4 GHz radio for indoor IoT and compares it to sub-GHz technologies such as Wi-SUN, Wi-Fi HaLow, and DECTNR+. Real-world measurements in an office building show that, despite regulatory restrictions, sub-GHz offers significantly more robust radio coverage and is particularly suitable for reliable IoT networks with few or no mesh hops. (Radio & EMC 2026)
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7 steps to a good human-machine interface
The presentation demonstrates how user-friendly human-machine interfaces are created by systematically combining human perception, usability principles, good design, incremental functionality, and early, continuous testing. The goal is an intuitive, efficient, and user-friendly interface that puts people at the center. (ECC 2012)
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Interview on the topic of cybersecurity
This article categorizes embedded cybersecurity as a central issue for networked devices and demonstrates why security in the IoT is becoming increasingly critical due to cloud connectivity and new regulatory requirements. The focus is on the specific challenges of resource-constrained embedded systems and the rising demands of guidelines such as CRA, RED cybersecurity, and new standards.
Hier erfahren Sie, in welchen Projekten wir diese Kompetenzen erfolgreich umgesetzt haben: