Wireless Sensor Networks are increasingly being employed for monitoring and sensing in harsh environments such as factories and offshore platforms.

This technology has the potential to offer measurements over larger and difficult to
access areas, giving more up-to date and precise information to inform control and operational systems.

One of the challenges facing the development and adoption of wireless sensor networks is achieving wireless communications which is energy efficient yet robust and resilient.

Being low cost and battery powered, wireless sensors have limited resources, which must be used optimally. Beamsteerable smart antennas can give significant improvement in communications
performance, and recent developments in parasitic array techniques have led to
low power, low cost smart antennas.

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