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Abstract
Contents
Declaration of Originality
Abstract
Contents
List of Figures
List of Tables
List of Abbreviations and Acronyms
List of Principal Symbols
Acknowledgements
Introduction
Communication Systems
In-building Communications
The requirement
Wireless advantages and disadvantages
Interconnection technology
Channel Modelling
Ray Tracing for Channel Modelling
Organisation
Channel Measurement and Modelling
Introduction
Previous Work in Channel Modelling and Measurement
Narrowband models and measurements
Large-scale signal characterisation
Small-scale signal characterisation
Frequency dependency of models
Correlation between multiply received signals
Rapidity, duration and frequency of occurrence of fades
Doppler spread
Simulation systems
Wideband models and measurements
Temporal measurements and models
Parametric models
Other modelling techniques
Additional considerations
Noise
Polarization
Summary
Ray Tracing Model
Introduction
Electromagnetic Radiation
Dielectric Surfaces
Electromagnetic polarization
Reflection
Transmission
Reflection and transmission coefficients for a non-infinitely thick slab
Diffraction
Electromagnetic Scattering
Ray Geometry Effects
Ray tracing algorithm
Calculation of the reflection and transmission coefficients
Conclusions
Narrowband Experimental Work
Introduction
Channel Measurements
Site A measurements
Site B measurements
Basic narrowband ray tracing model
Model design
Model simplifications
Assumptions used to construct the model
Experimental procedure
Ray Tracing Model including the effects of Diffraction
Ray Tracing Model incorporating the Geometrical Theory of Diffraction
Conclusions
Electromagnetic Simulation
Introduction
Ray Tracing Model incorporating Electromagnetic Polarization
Conclusion
Wideband Simulation Results
Introduction
Interarrival Times of Multipath Components
Joint probability function of signal strength and delay
Joint probability graph of LOS experiment at Site A
Joint probability graph of LOS experiment at Site B
Conclusions
Conclusions and Future Work
Conclusions
Further Work
Determination of the electromagnetic properties of building structures
Reduction in execution time of channel simulation
Regeneration of a channel from statistical information collected
Investigation of the phase relationships of multipath components
Proof of Equations used in Section
3.3
Proof of (
3.14
) taken from
[86]
Proof of (
3.15
) taken from
[86]
Proof of equations (
3.16
) and (
3.17
)
Proof of equations (
3.18
) and (
3.19
)
Proof of equations (
3.20
) and (
3.21
)
Proof of equations (
3.26
) and (
3.27
)
Software
Ray Tracing Software
Input and output data files
Ray tracing software
Possible speedup techniques to reduce computation time
Post Processing Software
Probability Graphs
Probability Distributions
Nakagami Distribution
Ricean Distribution
Weibull Distribution
References
Publications
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