Policy on Intellectual Property Right (IPR)
1 Introduction
2 Overview of TDOA technology
3 Strengths and weaknesses of TDOA compared with traditional AOA
4 Hybrid systems
5 Summary
6 References
Annex 1 Factors affecting RF detection range and geolocation coverage area
for monitoring stations
1 Introduction
2 General considerations
3 Simulations of factors affecting RF detection range in TDOA and AOA
monitoring stations
3(a) Effects of emitter carrier frequency
3(b) Effects of monitoring station antenna elevation
3(c) Effects of signal bandwidth
3(d) Effect of antenna gain
3(e) Effects of terrain and LoS
4 Simulations of factors affecting geolocation coverage area in TDOA and
AOA monitoring stations
5 Comparison of simulated and real RF geolocation measurements
6 Conclusions
Annex 2 A simulation study of geolocation accuracy and coverage area for
hybrid AOA/TDOA monitoring stations
1 Introduction
2 Geolocation methods
3 Simulation of geolocation accuracy using a specific example
4 Specialized software analysis tool
4(a) Example of geographic location
4(d) Example of miss-distance plot
5 Results of simulations
5(a) Network of three monitoring stations
5(b) Summary of simulation results (3 stations)
5(c) Network of four monitoring stations
5(d) Summary of simulation results (4 stations)
6 Conclusion
Annex 3 A trial study of utilization of a TDOA system with an existing AOA
system
1 Introduction
2 Objectives and test scenarios
2.1 Collocation of TDOA and AOA sensors
2.2 Collaboration between fixed AOA and mobile TDOA sensors
3 Results
3.1 Collocation of TDOA and AOA sensors
3.2 Utilizing mobile TDOA sensors with fixed AOA sensor
4 Conclusion and future subject