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perisens supports the development of radar sensors and radar related solutions from sketch to the final product. We have many years of experience in evaluation of concepts and products, optimization of sensor integration, development of RF hardware and signal processing algorithms, as well as the execution of simulations and measurements.
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perisens assists the development and evaluation of wireless communication systems from physical layer (PHY layer) to lower network layer (MAC layer). Our focus lies in investigations of coexistence issues in automotive wireless systems, channel measurements and models, evaluation of communication systems and field tests.
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At perisens we develop, manufacture and distribute measurement devices for automotive radar sensors and radar covers (radomes) in the frequency bands 24GHz and 77/79GHz. Our systems are in operation in several installations worldwide since 2014. Thanks to our experience of over 10 years in the field of automotive radar technology, we are your ideal partner to develop holistic test solutions.
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RF Engineering

perisens concerns itself with developing concepts, conducting studies, performing measurements, and developing single components or complete high-frequency systems for test setups, prototypes, or small-batch series up to 90GHz. We can assist in a single step of the R&D cycle or provide a complete solution.
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Our Products

Radome Measurement System

We are proud to present our new product, the Radome Measurement System (RMS) for the automotive radar frequency band from 76 to 81 GHz. The RMS enables radar cover (radome) analysis and material characterization combined in one device. The system can be used in laboratory for development/quality control and in production for end-of-line testing.

Radar Target Simulator

perisens offers high quality radar target simulators for the automotive radar bands 24G and 77/79G. Our systems allow the simulation of range, relative target speed and radar cross section and cover the full bands with an instantaneous bandwidth of 200MHz (24G) and 5,000MHz (77/79G). The systems are used as reference targets in sensor production and as test systems for Research and Development.

Frequency Converter

perisens provides high quality frequency converters covering the automotive radar bands 24G and 76/77G. Our combined Up- and Downconverters allow fully calibrated signal analysis and signal generation at millimeter wavelengths using cost effect measurement devices at low GHz frequencies.

We are looking forward to a good cooperation on the same wavelength.


Radar Workshop
Our CEO Dr. Florian Pfeiffer gives you insights about automotive radar technology covering the following topics:

  • Radar as key technology for automotive sensing
  • Basics in radar technology (electromagnetic wave properties and propagation effects)
  • Measurement principles for distance, velocity (Doppler) and direction of arrival (DoA)
  • Automotive sensor performance (24/77/79GHz radar vs. other sensor technologies)
  • Radar signal processing (from raw data to high-level object data)
  • Future trends in automotive radar
  • Design priciples of radar covers (radome) and influrence on the radar performance
  • Relevant material properties (plastic and paint) of radar covers
  • Radar calibration and radome measurement techniques

Contact us for further information.

ITU follows our Proposal to Open 5G Wifi for Worldwide Vehicular Use

The International Telecommunication Unit (ITU) follows our proposal to open the WiFi Channels 36 to 48 (5150 to 5250 MHz) for worldwide in-vehicle use.

The resolution 229 of the World Radio Conference (WRC-19) now brings a harmonization on the way with the goal to make 5GHz WiFi worldwide available in vehicles.

The high usage of 2.4GHz WiFi in urban areas and the higher data rates of 5GHz Wifi makes it necessary to use 5GHz for new infotainment applications as Apple CarPlay and Android Auto.

We want to thank Bundesnetzagentur (German federal network agency), Qualcomm and Daimler for supporting our proposal.

The resolution 229 of the WRC-19 can be found here.

New Office
We moved to a new office in Feldkirchen b. München (10min from Munich Trade Fair). Our team is growing and the space at our old location was tight. With 400 square meters, the new premises offer us plenty of space for laboratory and office use.

Thanks for everyone’s support through the years!

Here you find our new adress and telephone number.

Our latest Publications

In-Vehicle Breathing Rate Monitoring Based on Wifi Signals

Jan. 2021, Jaarbeurs Utrecht (Netherlands), accepted to European Microwave Week EuMW 2020
M. Hussain, A. Akbilek, F. Pfeiffer (perisens) and B. Napholz (Daimler)

Dielectric Corner Reflectors for mm Wave Applications

September 2019, Advances in Radio Science Journal, Vol. 17, 2019
C. Buchberger (TU München), F. Pfeiffer (perisens) and E.M. Biebl (TU München)
Download here (PDF)

Analysis of IEEE 802.11ax High Efficiency WLANs for in-Vehicle User

November 2018, Munich, Wireless Congress 2018
A. Akbilek, M. Fünfer, F. Pfeiffer, F. Langer (perisens) und B. Napholz (Daimler AG)
Download here (PDF)

Our Customers

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