1. Macro & Micro Scale Spatial Rain Variation: Dynamic Millimetre Wave Communications in the Presence of Rain In collaboration with the universities of Vigo and Barcelona Microwave Telecommunication Systems (MTS) Research Group University of Portsmouth C. Enjamio and E. Vilar

2. Global Microcell Scenario Dynamic Millimetre Wave Communications in the Presence of Rain. Fixed Terrestrial and Satellite Systems

3. Global Microcell Scenario Fixed Terrestrial and Satellite Systems Dynamic Millimetre Wave Communications in the Presence of Rain.

4. Global Microcell Scenario Fixed Terrestrial and Satellite Systems Dynamic Millimetre Wave Communications in the Presence of Rain.

5. Global Microcell Scenario Fixed Terrestrial and Satellite Systems Dynamic Millimetre Wave Communications in the Presence of Rain.

6. Data Base Satellite baseline and rain gauges distribution distance (hm) Dynamic Millimetre Wave Communications in the Presence of Rain.

7. Rainfall Rate Spatial Distribution and Time Evolution T=0 min Dynamic Millimetre Wave Communications in the Presence of Rain.

8. Rainfall Rate Spatial Distribution and Time Evolution T=1 min Dynamic Millimetre Wave Communications in the Presence of Rain.

9. Rainfall Rate Spatial Distribution and Time Evolution T=2 min Dynamic Millimetre Wave Communications in the Presence of Rain.

10. Rainfall Rate Spatial Distribution and Time Evolution T=3 min Dynamic Millimetre Wave Communications in the Presence of Rain.

11. Rainfall Rate Spatial Distribution and Time Evolution T=4 min Dynamic Millimetre Wave Communications in the Presence of Rain.

12. Rainfall Rate Spatial Distribution and Time Evolution T=5 min Dynamic Millimetre Wave Communications in the Presence of Rain.

13. Rainfall Rate Spatial Distribution and Time Evolution T=6 min Dynamic Millimetre Wave Communications in the Presence of Rain.

14. Rainfall Rate Spatial Distribution and Time Evolution T=7 min Dynamic Millimetre Wave Communications in the Presence of Rain.

15. Rainfall Rate Spatial Distribution and Time Evolution T=8 min Dynamic Millimetre Wave Communications in the Presence of Rain.

16. Rainfall Rate Spatial Distribution and Time Evolution T=9 min Dynamic Millimetre Wave Communications in the Presence of Rain.

17. Rainfall Rate Spatial Distribution and Time Evolution. Isopleths T=0 min Dynamic Millimetre Wave Communications in the Presence of Rain.

18. T=1 min Rainfall Rate Spatial Distribution and Time Evolution. Isopleths Dynamic Millimetre Wave Communications in the Presence of Rain.

19. T=2 min Rainfall Rate Spatial Distribution and Time Evolution. Isopleths Dynamic Millimetre Wave Communications in the Presence of Rain.

20. T=3 min Rainfall Rate Spatial Distribution and Time Evolution. Isopleths Dynamic Millimetre Wave Communications in the Presence of Rain.

21. T=4 min Rainfall Rate Spatial Distribution and Time Evolution. Isopleths Dynamic Millimetre Wave Communications in the Presence of Rain.

22. T=5 min Rainfall Rate Spatial Distribution and Time Evolution. Isopleths Dynamic Millimetre Wave Communications in the Presence of Rain.

23. T=6 min Rainfall Rate Spatial Distribution and Time Evolution. Isopleths Dynamic Millimetre Wave Communications in the Presence of Rain.

24. T=7 min Rainfall Rate Spatial Distribution and Time Evolution. Isopleths Dynamic Millimetre Wave Communications in the Presence of Rain.

25. T=8 min Rainfall Rate Spatial Distribution and Time Evolution. Isopleths Dynamic Millimetre Wave Communications in the Presence of Rain.

26. T=9 min Rainfall Rate Spatial Distribution and Time Evolution. Isopleths Dynamic Millimetre Wave Communications in the Presence of Rain.

27. Calculation of attenuation Dynamic Millimetre Wave Communications in the Presence of Rain. Slant path attenuation Fading (dB) time (minutes) 1 calculated attenuation 2 measured attenuation 1 2

28. Broadband Wireless Acces; Different Network Topologies Point to Multipoint or Star Topology –easier to deploy –no routing algorithms –low CPE cost Dynamic Millimetre Wave Communications in the Presence of Rain.

29. Broadband Wireless Acces; Different Network Topologies Mesh Topology –reconfigurability new user against fading –higher data rates up to 500 Mbps Dynamic Millimetre Wave Communications in the Presence of Rain.

30. Rain Scattering 4 GHz11 GHz 18.1 GHz 30 GHz Depends on –Raindrop Size Distribution Mie Scattering Theory for Spherical Particles Radiation pattern of a 1 mm diameter sherical raindrop Dynamic Millimetre Wave Communications in the Presence of Rain.

31. Calculation of the Interfering Power, Normalised to P T G T SV Case 1: Omnidirectional Tx antenna Dynamic Millimetre Wave Communications in the Presence of Rain.

32. Calculation of the Interfering Power, Normalised to P T G T Case 2: Directional Tx antenna SV Dynamic Millimetre Wave Communications in the Presence of Rain.

33. The Communications Research Programme Rainfall rate fields R(x,y,t) Calculation of Scattering Calculation of Scattering Attenuation F.O.M. Scattering Bistatic Radar Eq. Antenna Radiation Pattern Network topology R.S.D Behaviour of an “Intelligent” System in the Presence of Rain Countermeasures Dynamic Millimetre Wave Communications in the Presence of Rain.

34. Expected Outputs Signal to Interference Ratio Contours –Coordination Distances –Co-existence of Systems Additional Contributions –Fade Statistics –Spatial and Temporal Correlation Between the ITALSAT F40 Beacon Attenuation and Rainfall Rate. –Diversity Improvements –Instrumentation requirements for radio propagation research addressing future Broadband Fixed Wireless Access –Polarisation Effects Towads an optimal utilisation of the available (allocated?) Spectrum  Dynamic Millimetre Wave Communications in the Presence of Rain.

35. Macro & Micro Scale Spatial Rain Variation: Dynamic Millimetre Wave Communications in the Presence of Rain In collaboration with the universities of Vigo and Barcelona Microwave Telecommunication Systems (MTS) Research Group University of Portsmouth C. Enjamio and E. Vilar