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Prof Reiner Thomä, Ilmenau University of Technology

Cooperative passive coherent location - a vertical radar service in 5G?



Reiner ThomaProf Reiner Thomä received the Dipl Ing. (MSEE), Dr Ing. (PhDEE), and the Dr Ing habil. degrees in electrical engineering and information technology from Technische Universität (TU) Ilmenau, Germany, in 1975, 1983, and 1989, respectively. Since 1992, he has been a Professor of electrical engineering (electronic measurement) at the same University. He has contributed to several European and German research projects and clusters including the recent COST Action “Inclusive Radio Communication Networks for 5G and Beyond (IRACON)”.

His research interests include multidimensional channel sounding, propagation measurement and parameter estimation, as well as MIMO system over-the-air testing in virtual electromagnetic environments, MIMO radar and passive coherent location.


Fifth generation (5G) mobile communication promises many new vertical service areas beyond communication and internet data access. We propose CPCL (Cooperative Passive Coherent Location) being a distributed MIMO radar service which could be offered by mobile radio network operators as a service for public user groups. CPCL comes as an inherent part of the radio network and takes advantage from the most important key features proposed for 5G. It extends the well-known idea of passive radar (also known as Passive Coherent Location, PCL) by introducing cooperative principles. These range from cooperative, synchronous radio signaling and MAC up to radar data fusion on sensor and scenario levels.

Using the software defined radio and network paradigms and real-time mobile computing facilities, CPCL promises to become a ubiquitous radar service which may be adaptive, reconfigurable, and, hence, cognitive. Because CPCL makes double use of radio resources (both, in terms of frequency bands and hardware), it can be considered a green technology.

Although we introduce the CPCL idea from the viewpoint of vehicle-to-vehicle/infrastructure (V2X) communication, it can be definitely also applied for many other applications in industry, transport, logistics, and for safety and security applications. As CPCL, first of all, is a radio technology we will put focus on multipath radar signal processing and PHY resource exploitation.

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