Policy on Intellectual Property Right (IPR)
1 Introduction
2 Assumptions used in the study
2.1 Automotive radar transmitter characteristics
2.2 Automotive radar antenna characteristics
2.3 Fixed service receiver characteristics
2.4 Fixed service antenna characteristics
2.5 Propagation model
2.6 Interference scenario model
2.6.1 Geometric interference model
2.6.2 Vehicle shielding effects
2.6.3 Reflection/diffraction from surrounding
vehicles
2.6.4 Positioning of automotive radar antennas
on vehicles
3 Calculations
3.1 Calculation methodology for single entry interference
3.2 Calculation methodology for aggregate interference
4 Results
4.1 Results for single entry interference
4.1.1 Results for automotive radars operating in
the band 76-77 GHz (LRR)
4.1.2 Results for automotive radars operating in
the band 77-81 GHz (SRR)
4.2 Results for aggregate interference
4.2.1 Results for automotive radars operating in
the band 76-77 GHz (LRR)
4.2.2 Results for automotive radars operating in
the band 77-81 GHz (SRR)
5 Results discussion and potential mitigation techniques
5.1 Results discussion
5.2 Potential mitigation techniques and further activities for improving
compatibility
6 Conclusions
Annex A Automotive radar technical limits
implementation examples in the frequency range 76-81 GHz
Annex B Propagation losses and other parameters used
for the propagation model described in Recommendation ITU-R P.452
Annex C Further details on the geometrical parameters
used in the study
Annex D Detailed calculation results
D.1 Results for single entry interference
D.1.1 Results for automotive radars operating in
the band 76-77 GHz (LRR)
D.1.2 Results for automotive radars operating in
the band 77-81 GHz (SRR)
D.2 Results for aggregate interference
D.2.1 Results for automotive radars operating in
the band 76-77 GHz (LRR)
D.2.2 Results for automotive radars operating in
the band 77-81 GHz (SRR)