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UWB Technology

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UWB Technology

Source:       DateTime:2019-02-22     Hits:

UWB Overview

Application of Ultra Wide Band radio into RTLS systems enable to bring decimeter level positioning to the market. Unlike traditional radio technologies (like Bluetooth or Wi-Fi), UWB operates with the signal’s so-called Time of Flight rather than RSSI (Received Signal Strength Indication), which makes the technology much more precise and enables it to make very exact ranging measurements. This opens up new opportunities in several business verticals, that have simply not been possible before.

 

KEY FEATURES OF UWB TECHNOLOGY

 

  1.  High localization precision (decimeter-level)
  2.  No interference with other radio communication systems
  3.  Resistant to multipath signal propagation
  4.  Resistant to noise
  5.  Use of low power transceivers


ULTRA WIDEBAND SIGNALS


UWB utilizes a train of impulses rather than a modulated sine wave to transmit information. This unique characteristic makes it perfect for precise ranging applications. Since the pulse occupies such a wide frequency band, its rising edge is very steep and this allows the receiver to very accurately measure the arrival time of the signal. Plus the pulses themselves are very narrow, typically no more than two nanoseconds.

 

Due to the nature of the signals, UWB pulses can be distinguished even in noisy environments, plus the signals are resistant to multipath effects. All of these traits give UWB big advantage over traditional narrowband signals in case of ranging capabilities. Also due to the strict spectral mask, the transmit power lies at the noise floor, which means that UWB does not interfere with other radio communication systems operating in the same frequency bands, since it just increases the overall noise floor, a principle that is very similar to spread spectrum technologies (CDMA).

 

Technology  Comparison


Due to the nature of the signals, UWB pulses can be distinguished even in noisy environments, plus the signals are resistant to multipath effects. All of these traits give UWB big advantage over traditional narrowband signals in case of ranging capabilities. Also due to the strict spectral mask, the transmit power lies at the noise floor, which means that UWB does not interfere with other radio communicat.


UWB Use Cases


Lon systems operating in the same frequency bands.


By implementing RTLS UWB for controlling of intralogistics and machine flow based on their real-time position solution thus can reduce operational time and thus to significantly increase the performance of manufacturing and process flow. By digitization, RTLS UWB provides a completely distinguished point of understanding of the movement in the facilities. Due to more exact and accurate data representation, Digital Twin of real production can be delivered. 





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