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In this paper we give an overview of the German project cluster FAST which targets a technical breakthrough by real-time with latencies below 1 ms to enable advanced applications in the area of connectivity, traffic, manufacturing and health. FAST is based on 25 technical projects conducted by over 80 partners in industry and research. The innovations are outlined and include high frequency communication...
The industrial wireless automation sector exhibits a huge market growth in the last years. Today, many applications already use wireless technologies. However, the existing wireless solutions do not yet offer sufficient performance with respect to real-time and reliability requirements, particularly for closed-loop control applications. As a result, low latency wireless communication technologies...
This paper presents new architectures for RF pulse width modulation (RF-PWM). They allow for very efficient and simple implementation of this class of modulators. Even for the 2.6-Ghz band, the modulator can now be built with standard components. The new concepts support binary and M-ary output alphabets. One variant is capable of generating M-ary RF-PWM signals by only deploying one switching device...
Wireless solutions in industrial automation applications must meet high requirements regarding reliability and latency. The preferred usage of the license-free 2.4 GHz ISM frequency band bears the risk of error-prone coexistence of various wireless networks within a production site and could result in system failures. This represents a significant barrier for the integration of a new wireless application...
In this paper, we present a novel so-called class-O distributed base station system where the remote unit and the central unit are connected via an optical link. In contrast to existing systems, we transmit a binary RF signal over the optical link which significantly reduces the complexity of the remote unit. The conversion from an analog to a binary signal is implemented using a fast pulse-width-modulator...
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