IEEE Global Telecommunication Conference (1994 : San Francisco), Institute of Electrical and Electronics Engineers. Communication Society, Institute of Electrical and Electronics Engineers. San Francisco Section

IEEE Malaysia International Conference on Communications (2nd: 1995: Langkawi, Malaysia), Institute of Electrical and Electronics Engineers

IEEE Global Telecommunications Conference (1995 : Singapore), Institute of Electrical and Electronics Engineers

IEE Conference on Telecommunications (5th : 1995 : Brighton, UK), Institution of Electrical Engineers (Great Britain). Computing and Control Division, Institution of Electrical Engineers (Great Britain). Electronics Division, British Computer Society

Communication Theory Mini-Conference (3rd : 1994 : San Francisco, California), Institute of Electrical and Electronics Engineers. Communications Society. Communications Theory Technical Committee, Institute of Electrical and Electronics Engineers. San Francisco Section

European Conference on Satellite Communications (3rd : 1993 : Manchester, UK), Institution of Electrical Engineers (Great Britain). Electronics Division

IEEE Region 10 Conference on Computer, Communication, Control and Power Engineering (1993 : Beijing), Institute of Electrical and Electronics Engineers, Northern Jiaotong University

IEEE Malaysia International Conference on Communications (1993 : Kuala Lumpur), The Institute of Electrical and Electronics Engineers (Malaysia), IEEE Communication Society, Universiti Teknologi Malaysia

Singapore International Conference on Communication Systems, Institute of Electrical and Electronics Engineers. Singapore Section, National University of Singapore. Department of Electrical Engineering

IEE National Conference on UK Telecommunications Networks : Present and Future (1987 : London), Institution of Electrical Engineers (Great Britain)

International Conference on Secure Communication Systems (1984 : London)

Intenational Conference on Communications Equipment and Sytemes (1976 : Brighton)