All Outputs (18)

The impact of spatial temporal averaging on the dynamic statistical properties of rain fields (2019)
Journal Article
Yang, G., Ndzi, D. L., Gremont, B. C., Paulson, K., Filip, M., & Al-Hassani, A. (2019). The impact of spatial temporal averaging on the dynamic statistical properties of rain fields. IEEE Transactions on Antennas and Propagation, 67(12), 7505-7517. https://doi.org/10.1109/tap.2019.2930137

Knowledge of the spatial-temporal variation of rain fields is required for the planning and optimization of wide area high frequency terrestrial and satellite communication networks. This paper presents data and a method for characterizing multi-reso... Read More about The impact of spatial temporal averaging on the dynamic statistical properties of rain fields.

A systems framework for national assessment of climate risks to infrastructure (2018)
Journal Article
Dawson, R. J., Thompson, D., Johns, D., Wood, R., Darch, G., Chapman, L., …Hall, J. W. (2018). A systems framework for national assessment of climate risks to infrastructure. Philosophical transactions. Series A, Mathematical, physical, and engineering sciences, 376(2121), Article 20170298. https://doi.org/10.1098/rsta.2017.0298

Extreme weather causes substantial adverse socioeconomic impacts by damaging and disrupting the infrastructure services that underpin modern society. Globally, $2.5tn a year is spent on infrastructure which is typically designed to last decades, over... Read More about A systems framework for national assessment of climate risks to infrastructure.

Categorisation of Mobile EEG: A Researcher's Perspective (2017)
Journal Article
Bateson, A. D., Baseler, H. A., Paulson, K. S., Ahmed, F., & Asghar, A. U. (2017). Categorisation of Mobile EEG: A Researcher's Perspective. Biomed research international, 2017, 1-15. https://doi.org/10.1155/2017/5496196

© 2017 Anthony D. Bateson et al. Researchers are increasingly attempting to undertake electroencephalography (EEG) recordings in novel environments and contexts outside of the traditional static laboratory setting. The term "mobile EEG," although com... Read More about Categorisation of Mobile EEG: A Researcher's Perspective.

Estimating 1min rain rate distributions from numerical weather prediction (2017)
Journal Article
Paulson, K. S. (2017). Estimating 1min rain rate distributions from numerical weather prediction. Radio science, 52(1), 176-184. https://doi.org/10.1002/2016rs006111

Internationally recognized prognostic models of rain fade on terrestrial and Earth-space EHF links rely fundamentally on distributions of one-minute rain rates. Currently, in Rec. ITU-R P.837-6, these distributions are generated using the Salonen Poi... Read More about Estimating 1min rain rate distributions from numerical weather prediction.

Evidence of trends in rain event size effecting trends in rain fade (2016)
Journal Article
Paulson, K. S. (2016). Evidence of trends in rain event size effecting trends in rain fade. Radio science, 51(3), 142-149. https://doi.org/10.1002/2015RS005832

Rain gauge studies have shown that the incidence of rain at rates associated with outage on terrestrial links, has shown an increasing trend in several countries, over the last 30 years. However, no evidence is available from microwave links to show... Read More about Evidence of trends in rain event size effecting trends in rain fade.

Prediction of annual joint rain fade on EHF networks by weighted rain field selection (2015)
Journal Article
Paulson, K. S., & Chinda, I. D. (2015). Prediction of annual joint rain fade on EHF networks by weighted rain field selection. Radio science, 50(8), 827-836. https://doi.org/10.1002/2015RS005695

©2015. American Geophysical Union. All Rights Reserved. We present a computationally efficient method to predict joint rain fade on arbitrary networks of microwave links. Methods based on synthetic rain fields composed of a superposition of rain cell... Read More about Prediction of annual joint rain fade on EHF networks by weighted rain field selection.

An ultrasonic transducer transient compensator design based on a simplified Variable Structure Control algorithm (2013)
Journal Article
Ma, S., Wilkinson, A. J., & Paulson, K. S. (2014). An ultrasonic transducer transient compensator design based on a simplified Variable Structure Control algorithm. Ultrasonics, 54(2), 502-515. https://doi.org/10.1016/j.ultras.2013.07.017

A non-linear control method, known as Variable Structure Control (VSC), is employed to reduce the duration of ultrasonic (US) transducer transients. A physically realizable system using a simplified form of the VSC algorithm is proposed for standard... Read More about An ultrasonic transducer transient compensator design based on a simplified Variable Structure Control algorithm.

Reduced-size circularly polarised square microstrip antenna for 2.45 GHz RFID applications (2012)
Journal Article
Nguyen, D., Paulson, K., & Riley, N. (2012). Reduced-size circularly polarised square microstrip antenna for 2.45 GHz RFID applications. IET Microwaves Antennas and Propagation, 6(1), 94-99. https://doi.org/10.1049/iet-map.2011.0269

This study proposes a new design of circular polarised (CP), microstrip (patch) antenna using a set of slits and slots to effectively reduce the area of patch by 67% compared with the conventional, corner truncated, circular polarised square patch. T... Read More about Reduced-size circularly polarised square microstrip antenna for 2.45 GHz RFID applications.

The measurement of rain kinetic energy and rain intensity using an acoustic disdrometer (2011)
Journal Article
Winder, P., & Paulson, K. S. (2012). The measurement of rain kinetic energy and rain intensity using an acoustic disdrometer. Measurement Science and Technology, 23(1), 015801. https://doi.org/10.1088/0957-0233/23/1/015801

Microwave engineers and geomorphologists require rainfall data with a much greater temporal resolution and a better representation of the numbers of large raindrops than is available from current commercial instruments. This paper describes an acoust... Read More about The measurement of rain kinetic energy and rain intensity using an acoustic disdrometer.

Trends in the incidence of rain height and the effects on global satellite telecommunications (2011)
Journal Article
Paulson, K., & Al-Mreri, A. (2011). Trends in the incidence of rain height and the effects on global satellite telecommunications. IET Microwaves Antennas and Propagation, 5(14), 1710-1713. https://doi.org/10.1049/iet-map.2010.0507

Satellite communications using millimetre waves, in Ka band and above, experience significant fading by rain. Strong attenuation is experienced between the ground station and a level known as the rain height, in ITU-R recommendations assumed to be 36... Read More about Trends in the incidence of rain height and the effects on global satellite telecommunications.

A rain height model to predict fading due to wet snow on terrestrial links (2011)
Journal Article
Paulson, K., & Al-Mreri, A. (2011). A rain height model to predict fading due to wet snow on terrestrial links. Radio science, 46(4), Article RS4010. https://doi.org/10.1029/2010rs004555

Recommendation ITU‐R P.530‐13 provides an internationally recognized prediction model for the fading due to wet snow on low‐elevation, terrestrial microwave links. An important parameter in this model is the altitude difference between the link and t... Read More about A rain height model to predict fading due to wet snow on terrestrial links.

A phase modulation-based ultrasonic communication system using Variable Structure Control (2010)
Conference Proceeding
Ma, S., Wilkinson, A. J., & Paulson, K. S. (2010). A phase modulation-based ultrasonic communication system using Variable Structure Control. . https://doi.org/10.1109/icct.2010.5688708

Narrow bandwidth transducers used in existing ultrasonic data communication systems are known to be devices with a high Q resonant response and low coupling to both the electrical drive and acoustic output interfaces. These features limit the speed o... Read More about A phase modulation-based ultrasonic communication system using Variable Structure Control.

Trends in the incidence of rain rates associated with outages on fixed links operating above 10 GHz in the southern United Kingdom (2010)
Journal Article
Paulson, K. S. (2010). Trends in the incidence of rain rates associated with outages on fixed links operating above 10 GHz in the southern United Kingdom. Radio science, 45(1), 1-9. https://doi.org/10.1029/2009rs004193

Studies have shown that climate change is leading to an increase in the incidence of heavy rain in the United Kingdom, particularly over winter. The major interest has been on the hydrological impacts of this increase, and so studies have focused on... Read More about Trends in the incidence of rain rates associated with outages on fixed links operating above 10 GHz in the southern United Kingdom.

Simulation of rain fade on arbitrary microwave link networks by the downscaling and interpolation of rain radar data (2009)
Journal Article
Paulson, K., & Zhang, X. (2009). Simulation of rain fade on arbitrary microwave link networks by the downscaling and interpolation of rain radar data. Radio science, 44(2), 0 - 0. https://doi.org/10.1029/2008RS003935

To predict the Quality of Service at a node in heterogeneous networks of line-of-sight, terrestrial, microwave links requires knowledge of the spatial and temporal statistics of rain over scales of a few meters to tens or hundreds of kilometers, and... Read More about Simulation of rain fade on arbitrary microwave link networks by the downscaling and interpolation of rain radar data.

Estimating the scaling of rain rate moments from radar and rain gauge (2007)
Journal Article
Paulson, K. S., & Zhang, X. (2007). Estimating the scaling of rain rate moments from radar and rain gauge. Journal of Geophysical Research: Atmospheres, 112(20), Article D20107. https://doi.org/10.1029/2007JD008547

Rain rate is a physical parameter that is only defined over some spatial or spatial-temporal integration volume. The moments of rain rate fields calculated from measurements derived from integration volumes of the same shape and a range of sizes are... Read More about Estimating the scaling of rain rate moments from radar and rain gauge.

Diversity improvement estimation from rain radar databases using maximum likelihood estimation (2006)
Journal Article
Paulson, K. S., Watson, R. J., & Usman, I. S. (2006). Diversity improvement estimation from rain radar databases using maximum likelihood estimation. IEEE Transactions on Antennas and Propagation, 54(1), 168-174. https://doi.org/10.1109/TAP.2005.861571

This research examines route diversity as a fade mitigation technique in the presence of rain, for terrestrial microwave links. The improvement in availability due to diversity depends upon the complex spatio-temporal properties of rainfall. To produ... Read More about Diversity improvement estimation from rain radar databases using maximum likelihood estimation.

A general route diversity model for convergent terrestrial microwave links (2006)
Journal Article
Paulson, K. S., Usman, I. S., & Watson, R. J. (2006). A general route diversity model for convergent terrestrial microwave links. Radio science, 41(3), https://doi.org/10.1029/2005RS003411

[1] This research examines route diversity as a fade mitigation technique in the presence of rain for convergent, terrestrial, microwave links. A general model is derived which predicts the joint distribution of rain attenuation on arbitrary pairs of... Read More about A general route diversity model for convergent terrestrial microwave links.

The effect of variation in atmospheric absorption on millimetric, terrestrial, telecommunications links (2005)
Journal Article
Paulson, K. S. (2005). The effect of variation in atmospheric absorption on millimetric, terrestrial, telecommunications links. Radio science, 40(6), Article RS6004. https://doi.org/10.1029/2004RS003218

When planning the link budget for millimeter and submillimeter wave telecommunications links, the attenuation by atmospheric gasses is taken into account. However, at millimetric frequencies above 50 GHz it may become necessary to account for the tem... Read More about The effect of variation in atmospheric absorption on millimetric, terrestrial, telecommunications links.