Phase modulating structures for secure communications

1. Alan Tennant Department of Electronic and Electrical Engineering

Radar signature management – passive
and active stealth materials
Time modulated and phased array
antennas
Modulated scatterers for covert
communications including RFID tags
3-D electromagnetic structures
Textile based systems
Acoustic array systems

2. Phase modulating structures for secure communications

Transmitter of
opportunity
Direct signal used
as reference to
demodulate multipath signal
receiver
Modulated multi-path
signal
Phase modulating
surface / structure
Data source

3. 3-D Antennas

15mm

4. Conducting textiles Embedding a semiconductor device into a multi-filament yarn

Conducting textiles
Embedding a semiconductor device into a multifilament yarn

5. Conducting textiles structural textiles

conducting
ground-plane
spacer incorporating structural
fibres and conducting vias
surface knitted from
conducting and insulating
yarns

6. Conducting textiles structural textiles