Dr Muhammed Al-Asadi Page 

Consultant EMC and Communication Engineering

BSc, MPhil, PhD, MIEEE, MICS, Member Segma-Xi

This page summaries both my work and research interest. As it is in the development stage, this page only includes my work for Brand-Rex Ltd. (Formerly BICC Brand-Rex Ltd) with the Applied Electromagnetic Group at De Montfort University, Leicester, UK,  and some of my publications between 1997 and 2002. Further information regarding the rest of my previous work with the George Green Institute for Electromagnetic, formerly the electromagnetic modeling group at Nottingham University, Napier University in Edinburgh and my present work with ATE Communications Ltd will be added soon.

The main purpose of my work for Brand-Rex was to investigate the performance of wired communication cables and channels at high frequencies and to develop a set of mathematical design equations and a simulation design tool using the Transmission Line Modeling TLM method to be used by engineers for the design of communication cables and investigate the performance of cables and channels under different working conditions

During this period, the following papers were published:

• 2002

1. Input Impedance of Irregular Cascaded Systems  IWCS-51, Florida, USA, November

2. Impedance Calculation of High Frequency Shielded Cables with the Aid of Conformal mapping  IWCS-51, Florida, USA, November

3. Low Cost Assessment of Connector Performance  IWCS-51, Florida, USA, November

4. Numerical Modelling of the Transfer Impedance and Admittance of a Braided Coaxial Cable   IEEE Int. Symp. on EMC, USA, August 19-23, pp 845-850

5. Determining Coupling for Shielded Cables Using a TLM Approach  IEE-CEM2002, Bournemouth, UK, April, Paper 3.6.

• 2001

1. Crosstalk Coupling Between Cable Pairs  IWCS-50, Florida, USA, November 12-15, pp 570-576.

2. Transmission Parameters of Cascaded Systems  IWCS-50, Florida, USA, November 12-15, pp 160-168.

3. EMC Behavior of Cable Screens  IWCS-50, Florida, USA, November 12-15, pp 554-563.

4. A Genetic Algorithm Toolkit for Cable Design  IWCS-50, Florida, USA, November 12-15, pp 143-150.

5. Accurate Method for the Prediction of the Return Loss (RL) of a Communication Channel  IEE-Electronics Letters, 8 November, Vol.37, No.23,  pp 1423-1424.

6. Method for the Prediction of the Capacitance of Shielded Transmission Lines  IEE-Electronics Letters, 8 November, Vol.37, No.23,  pp 1424-1425.

7. Analysis and Modeling of Structured Wiring Communication Channels  IEE Proceedings-Science, Measurements and Technology, May, Vol.148, No.3,  pp 129-136.

8. A Filed-Circuit Approach  for Predicting Electromagnetic Coupling between Communication Cables Using TLM and Antenna Theory 14th Inter Zurich Sump on EMC, Zurich, 20-22 February,  pp 97-102.

• 2000

1. Twisted Pair Cable Design Analysis and Simulation  IWCS-49, Atlantic City, NJ, USA, November 13-16, pp 111-120.

2. Return Loss Prediction for Cascaded Systems  IWCS-49, Atlantic City, NJ, USA, November 13-16, pp 578-585.

3. Computer assisted Optimisation of Cable Design  IWCS-49, Atlantic City, NJ, USA, November 13-16, pp 380-384.

4. Coupling of Electromagnetic Pulses Between Communication Channels Abstract only, EUROEM, Edinburgh, UK, 29 May- 2 June, Paper No. 19.4.

5. Modelling the Behaviour of Twisted Pair Communication Channels Invited paper, SATCAM South Africa, NTT/EMC Technical Session: EMC Modelling and Measurement, 10-13 September, Paper No.7 on CD-ROM.

• 1999

1. Analysing Link Performance in High Frequency Transmission Systems 13th Inter Zurich Sump on EMC, Zurich, 16-18 February,  pp 117-120.

• 1998

1. A Simple Formula for Calculating the Frequency Dependent Resistance of Round Wire Microwave and Optical Technology Letters, Vol. 19, No. 2, 5 October,  pp 84-87.

• 1997

1. Modelling as a Tool for Analysing Handling Effects in Structured Wire Cabling IEE 10th Inter Conf. on EMC, 1-3 September,  pp 131-136.

• Other Publications of interest from my previous work with the Electromagnetic Research Group (ERG), School of Electrical and Electronic Engineering, Nottingham University, Nottingham, UK. At Nottingham I developed a method for incorporating charged particles with TLM method to study microwave devices. 

1. A Method for Incorporating Charged Particle Motion within a 2D TLM Field Code  International  Journal of Numerical Modelling, 1996, Vol. 9,  pp 201-214.

2. Interfacing Field Problems Modelled by TLM to Lumped Circuits  IEE-Electronics Letters, 1994, Vol.30, No.4,  pp 290-291.

3. Computer Simulation of Particle motion in Electromagnetic Fields using TLM  IEE-Pulsed Power Technology Colloquium, London, February 1992, pp 3/1 - 3/5.

In addition to 10 technical rapports, 11 Math-Cad worksheets and many computer programs using the TLM method for simulating communication cables and channels. 

© Page Last modified October 2002.

Contact:

muhammed@alasadi.co.uk