Detect the presence of short-range UWB signals

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In summary, detecting the presence of short-range Ultra-Wideband (UWB) signals involves utilizing specialized equipment and techniques to identify and analyze the unique characteristics of UWB transmissions. These signals, which operate over a wide frequency range, can penetrate obstacles and provide high-resolution localization and communication capabilities. Effective detection requires algorithms that can differentiate UWB signals from noise and interferences in the environment, enabling applications in areas such as indoor positioning, surveillance, and wireless sensor networks.
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raymond0517
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Ultra Wideband (UWB) RADAR systems discharge signals over a broad range of frequencies which is between 3GHz to 10GHz as compared to the conventional RADAR systems and remain extremely difficult to detect.

an excerpt from page 2 of https://eudl.eu/pdf/10.4108/eai.7-9...systems utilize,received at the receiver side.

Will the normal spycam detector be able to detect the presence of UWB signals penetrating through the common wall?
 
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raymond0517 said:
Will the normal spycam detector be able to detect the presence of UWB signals penetrating through the common wall?
YES, to some of the UWB signals, and NO, to what the signals are being used for.

Spycam cannot detect all of the band from 3GHz to 10GHz.
Spycam detects only from 1.2GHz to 5.8GHz.

There is so much Wi-Fi about, that you will detect signals reflected off all sorts of scatterers, wherever you look. You will also detect mobile phones and microwave ovens operating in your vicinity.

You would need to be within a metre or two of a transmitter to detect and move in on it. If it was on the other side of a property wall, you would not know what it was being used for, unless you gained access to that space, and found the rack of computers, radio equipment, and antennas, needed to implement UWB radar.
 
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Baluncore said:
YES, to some of the UWB signals, and NO, to what the signals are being used for.

Spycam cannot detect all of the band from 3GHz to 10GHz.
Spycam detects only from 1.2GHz to 5.8GHz.

There is so much Wi-Fi about, that you will detect signals reflected off all sorts of scatterers, wherever you look. You will also detect mobile phones and microwave ovens operating in your vicinity.

You would need to be within a metre or two of a transmitter to detect and move in on it. If it was on the other side of a property wall, you would not know what it was being used for, unless you gained access to that space, and found the rack of computers, radio equipment, and antennas, needed to implement UWB radar.
Thank you Baluncore for the answer.

https://novelda.com/ultra-low-power-sensor
with many high-tech boards easily available, a person with an EEE background can easily assemble a few Arduino-embedded systems concealed under some fixtures on the ceiling (e.g. clock, decorative..), monitoring the movement of the occupant living above it becomes very difficult to prove the intrusion.
 
  • #4
raymond0517 said:
with many high-tech boards easily available, ...
Movement detectors, based on microwave reflection, are trivial, and cost less than $5.
A UWB movement detector, that detects only range, is also simple.

UWB radar is very complex because it must track range and direction to several moving objects, through walls made of different materials.

It takes four people to monitor the activity of one person. It is usually not worth the effort, since it is more efficient to eliminate the threat from the situation.
 

FAQ: Detect the presence of short-range UWB signals

What is UWB and why is it important to detect short-range UWB signals?

Ultra-Wideband (UWB) is a radio technology that uses a very wide frequency spectrum over a short range to transmit data. Detecting short-range UWB signals is important for various applications such as indoor positioning, secure communication, and medical imaging. It helps in identifying the presence of UWB devices and ensuring they are functioning correctly.

What are the common methods used to detect short-range UWB signals?

Common methods for detecting short-range UWB signals include energy detection, matched filtering, and time-domain analysis. Energy detection involves measuring the energy in the UWB frequency range, while matched filtering uses a known signal template to identify the presence of UWB signals. Time-domain analysis involves examining the signal's time characteristics to detect UWB pulses.

What equipment is required to detect short-range UWB signals?

Detecting short-range UWB signals typically requires a UWB receiver or a spectrum analyzer capable of capturing the wide frequency range of UWB signals. Additionally, specialized antennas designed for UWB frequencies are needed to accurately receive the signals. Some advanced setups may also include software-defined radios (SDRs) and signal processing software.

What challenges are associated with detecting short-range UWB signals?

Challenges in detecting short-range UWB signals include interference from other wireless devices, multipath propagation, and the low power levels of UWB signals. UWB signals can be easily masked by other signals in the environment, making detection difficult. Additionally, the wide frequency range of UWB signals requires precise equipment and calibration.

How can the accuracy of UWB signal detection be improved?

The accuracy of UWB signal detection can be improved by using advanced signal processing techniques, such as adaptive filtering and machine learning algorithms. Employing high-quality, wideband antennas and minimizing environmental interference can also enhance detection accuracy. Calibration of equipment and regular maintenance are essential to ensure reliable performance.

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