Macro & Micro Scale Spatial Rain Variation:
Sponsored Links
This presentation is the property of its rightful owner.
1 / 35

In collaboration with the universities of Vigo and Barcelona PowerPoint PPT Presentation


  • 53 Views
  • Uploaded on
  • Presentation posted in: General

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

Download Presentation

In collaboration with the universities of Vigo and Barcelona

An Image/Link below is provided (as is) to download presentation

Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author.While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server.


- - - - - - - - - - - - - - - - - - - - - - - - - - E N D - - - - - - - - - - - - - - - - - - - - - - - - - -

Presentation Transcript


Macro & Micro Scale Spatial Rain Variation:Dynamic Millimetre Wave Communications in the Presence of Rain

C. Enjamio and E. Vilar

In collaboration with the universities of Vigo and Barcelona

Microwave Telecommunication Systems (MTS) Research Group

University of Portsmouth


Dynamic Millimetre Wave Communications in the Presence of Rain.

Global Microcell Scenario

Fixed Terrestrial and Satellite Systems


Dynamic Millimetre Wave Communications in the Presence of Rain.

Global Microcell Scenario

Fixed Terrestrial and Satellite Systems


Dynamic Millimetre Wave Communications in the Presence of Rain.

Global Microcell Scenario

Fixed Terrestrial and Satellite Systems


Dynamic Millimetre Wave Communications in the Presence of Rain.

Global Microcell Scenario

Fixed Terrestrial and Satellite Systems


Satellite baseline and rain gauges distribution

distance (hm)

distance (hm)

Dynamic Millimetre Wave Communications in the Presence of Rain.

Data Base


Dynamic Millimetre Wave Communications in the Presence of Rain.

Rainfall Rate Spatial Distribution and Time Evolution

T=0 min


Dynamic Millimetre Wave Communications in the Presence of Rain.

Rainfall Rate Spatial Distribution and Time Evolution

T=1 min


Dynamic Millimetre Wave Communications in the Presence of Rain.

Rainfall Rate Spatial Distribution and Time Evolution

T=2 min


Dynamic Millimetre Wave Communications in the Presence of Rain.

Rainfall Rate Spatial Distribution and Time Evolution

T=3 min


Dynamic Millimetre Wave Communications in the Presence of Rain.

Rainfall Rate Spatial Distribution and Time Evolution

T=4 min


Dynamic Millimetre Wave Communications in the Presence of Rain.

Rainfall Rate Spatial Distribution and Time Evolution

T=5 min


Dynamic Millimetre Wave Communications in the Presence of Rain.

Rainfall Rate Spatial Distribution and Time Evolution

T=6 min


Dynamic Millimetre Wave Communications in the Presence of Rain.

Rainfall Rate Spatial Distribution and Time Evolution

T=7 min


Dynamic Millimetre Wave Communications in the Presence of Rain.

Rainfall Rate Spatial Distribution and Time Evolution

T=8 min


Dynamic Millimetre Wave Communications in the Presence of Rain.

Rainfall Rate Spatial Distribution and Time Evolution

T=9 min


Dynamic Millimetre Wave Communications in the Presence of Rain.

Rainfall Rate Spatial Distribution and Time Evolution. Isopleths

T=0 min


Dynamic Millimetre Wave Communications in the Presence of Rain.

Rainfall Rate Spatial Distribution and Time Evolution. Isopleths

T=1 min


Dynamic Millimetre Wave Communications in the Presence of Rain.

Rainfall Rate Spatial Distribution and Time Evolution. Isopleths

T=2 min


Dynamic Millimetre Wave Communications in the Presence of Rain.

Rainfall Rate Spatial Distribution and Time Evolution. Isopleths

T=3 min


Dynamic Millimetre Wave Communications in the Presence of Rain.

Rainfall Rate Spatial Distribution and Time Evolution. Isopleths

T=4 min


Dynamic Millimetre Wave Communications in the Presence of Rain.

Rainfall Rate Spatial Distribution and Time Evolution. Isopleths

T=5 min


Dynamic Millimetre Wave Communications in the Presence of Rain.

Rainfall Rate Spatial Distribution and Time Evolution. Isopleths

T=6 min


Dynamic Millimetre Wave Communications in the Presence of Rain.

Rainfall Rate Spatial Distribution and Time Evolution. Isopleths

T=7 min


Dynamic Millimetre Wave Communications in the Presence of Rain.

Rainfall Rate Spatial Distribution and Time Evolution. Isopleths

T=8 min


Dynamic Millimetre Wave Communications in the Presence of Rain.

Rainfall Rate Spatial Distribution and Time Evolution. Isopleths

T=9 min


Slant path attenuation

1 calculated attenuation

2 measured attenuation

Fading (dB)

2

1

time (minutes)

Dynamic Millimetre Wave Communications in the Presence of Rain.

Calculation of attenuation


Dynamic Millimetre Wave Communications in the Presence of Rain.

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.

Broadband Wireless Acces; Different Network Topologies

  • Mesh Topology

    • reconfigurability

      • new user

      • against fading

    • higher data rates

      • up to 500 Mbps


4 GHz

11 GHz

18.1 GHz

30 GHz

Dynamic Millimetre Wave Communications in the Presence of Rain.

Rain Scattering

  • 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.

Calculation of the Interfering Power,

Normalised to PTGT

Case 1: Omnidirectional Tx antenna

SV

SV


Dynamic Millimetre Wave Communications in the Presence of Rain.

Calculation of the Interfering Power,

Normalised to PTGT

Case 2: Directional Tx antenna

SV


Behaviour of an “Intelligent” System in the Presence of Rain

Dynamic Millimetre Wave Communications in the Presence of Rain.

The Communications Research Programme

Rainfall rate fields R(x,y,t)

Calculation

of

Scattering

Attenuation

F.O.M. Scattering

Bistatic Radar Eq.

Antenna Radiation Pattern

R.S.D

Countermeasures

Network topology


Dynamic Millimetre Wave Communications in the Presence of Rain.

Expected Outputs

  • Signal to Interference Ratio Contours

    • Coordination Distances

    • Co-existence of Systems

Towads an optimal utilisation of the

available (allocated?) Spectrum

  • 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


Macro & Micro Scale Spatial Rain Variation:Dynamic Millimetre Wave Communications in the Presence of Rain

C. Enjamio and E. Vilar

In collaboration with the universities of Vigo and Barcelona

Microwave Telecommunication Systems (MTS) Research Group

University of Portsmouth


  • Login