Frequency & Microwave
to cool to protect to connect
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It’s all about mmWaves Lower frequencies face limitations with wireless communication due to a restricted bandwidth, leading to slower data rates. Let’s use a busy motorway as an analogy, which is four lanes wide. Be it in an already densely populated area, or one that is increasing rapidly, more people joining the motorway increases the demand for faster speeds. However, the existing layout has reached a saturation point, thereby creating a bottleneck.
This is exactly how a smart city will work if it relies on older technologies. From the growing demand for connectivity and higher data speeds, the demand puts pressure on the existing communication infrastructure, leading to signal congestion and slower data rates. Using mmWave frequencies, such as E-band and W-band, are like adding a whole new German Autobahn, the federal controlled- access highway that helps to ease congestion and speed up the traffic.
E and W-band frequencies provide a broad bandwidth that supports high data rates, allowing for higher data rates and quicker data transmission. In smart cities this additional band width is crucial as a network of devices must be able to communicate and exchange data quickly and without disruption — be it vehicles, on-street sensors or home appliances. In addition, E and W-band wireless communication systems can offer a cost- effective alternative to traditional fibre optic solutions. Deploying fibre optic cables is expensive, disruptive to communities and time-consuming. This is especially true in challenging terrains or urban environments where the planning process is extensive. Designing and deploying wireless links utilising E and W-band can provide a quicker and more flexible deployment option, saving on installation costs and offering scalability, with no reduction in performance. mmWave frequencies, such
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as E and W-band, can replicate connectivity often considered as ‘Fibre in the Sky’, replicating high quality connectivity without the need for ground-based infrastructure.
E-band’s low-latency attribute is primarily due to the speed at which electromagnetic signals, including those in the millimetre-wave spectrum, travel. Electromagnetic signals, such as those used in E-band, move at the speed of light, ensuring near-instantaneous transmission. This is particularly advantageous for applications requiring real-time interactions, like financial transactions, online gaming and video conferencing. As for smart city applications, low latency is especially crucial for the successful implementation of emerging technologies, including IoT and autonomous vehicles. Regarding the latter, vehicles rely on low-latency communication to make split-second decisions, enhancing safety and efficiency on the roads. Transceivers, like Filtronic’s Morpheus X2 modules, contain all the transmit and receive functions necessary for the RF section of an E-Band link, providing people and businesses with more bandwidth and high-capacity data transmission. E-band’s capabilities in high data rates, cost-effective deployment and low-latency communication contribute significantly to advancing connectivity and removing interference in the smart city infrastructure. This makes it a critical component for the world’s population living in urban areas, which, if estimates are to become true, will increase to 68 per cent by 2050. Smart cities of the future will rely on mmWave, with bands such as E-band and W-band becoming ever more critical to solving the congestion problem.
https://filtronic.com/ Components in Electronics June 2024 43
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For more details
please check our website:
www.fischerelektronik.de/en/sk
Fischer Elektronik GmbH & Co. KG
Nottebohmstr. 28 58511 Lüdenscheid GERMANY
Phone +49 2351 435 - 0 Telefax +49 2351 45754
service@fischerelektronik.de
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