Abstract
The design of a wireless catheterization laboratory (CathLab) presents considerable challenges, especially for intravascular ultrasound (IVUS) systems. In fact, the huge bit rates, together with the highly demanding quality of service (QoS) requirements such as high reliability, very low latency and secure communications, make the design of a wireless CathLab particularly difficult, especially due to the limited signal processing capabilities at the transmitter side. In this paper, we consider the design of a secure wireless CathLab system using a physical layer security scheme that takes advantage of the Multi-Input Multi-Output (MIMO) channel characteristics. It is shown that the physical layer security scheme can have excellent secrecy characteristics, even for an eavesdropper close to the transmitter or receiver. Moreover, the signal processing requirements are very small, especially for the data transmission phase, making this technique particularly interesting for a wireless IVUS scenario.
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