IEEE J Biomed Health Inform - Securing while Sampling in Wireless Body Area Networks with Application to Electrocardiography.

Tópicos

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Resumo

Stringent resource constraints and broadcast transmission in wireless body area network raise serious security concerns when employed in biomedical applications. Protecting data transmission where any minor alteration is potentially harmful is of significant importance in healthcare. Traditional security methods based on public or private key infrastructure require considerable memory and computational resources and present an implementation obstacle in compact sensornodes. This paper proposes a lightweight encryption framework augmenting Compressed Sensing with Wireless Physical Layer Security. Augmenting compressed sensing to secure information is based on the use of the measurement matrix as an encryption key and allows for incorporating security in addition to compression at the time of sampling an analog signal. The proposed approach eliminates the need for a separate encryption algorithm as well as the pre-deployment of a key thereby conserving sensor-node's limited resources. The proposed framework is evaluated using analysis, simulation and experimentation applied to a wireless electrocardiogram setup consisting of a sensor-node, an access point, and an eavesdropper performing a proximity attack. Results show that legitimate communication is reliable and secure given that the eavesdropper is located at a reasonable distance from the sensor-node and the access point.

Resumo Limpo

stringent resourc constraint broadcast transmiss wireless bodi area network rais serious secur concern employ biomed applic protect data transmiss minor alter potenti harm signific import healthcar tradit secur method base public privat key infrastructur requir consider memori comput resourc present implement obstacl compact sensornod paper propos lightweight encrypt framework augment compress sens wireless physic layer secur augment compress sens secur inform base use measur matrix encrypt key allow incorpor secur addit compress time sampl analog signal propos approach elimin need separ encrypt algorithm well predeploy key therebi conserv sensornod limit resourc propos framework evalu use analysi simul experiment appli wireless electrocardiogram setup consist sensornod access point eavesdropp perform proxim attack result show legitim communic reliabl secur given eavesdropp locat reason distanc sensornod access point

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