Key result
Simulated wireless transmission across ZigBee and 802.11b protocols alters ECG signal diagnosability under network impairment.
Why the study?
The impact of wireless network channel and network impairments on the diagnosability of transmitted ECG signals requires evaluation.
Answers are grounded in this paper and cite their sources.
Channel impairments may compromise ECG diagnosability in wireless transmission; hypothesis-generating and requires real-world validation before clinical use.
This paper presents simulation of the transmission of biomedical signals (using ECG signal as an example) over wireless networks. Investigation of the effect of channel impairments including SNR, pathloss exponent, path delay and network impairments such as packet loss probability; on the diagnosability of the received ECG signal are presented. The ECG signal is transmitted through a wireless network system composed of two communication protocols; an 802.15.4- ZigBee protocol and an 802.11b protocol. The performance of the transmission is evaluated using higher order statistics parameters such as kurtosis and Negative Entropy in addition to the common techniques such as the PRD, RMS and Cross Correlation.
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Shakhatreh et al. (2013) studied this question. Wireless transmission of ECG signals using 802.15.4-ZigBee and 802.11b protocols was evaluated on Diagnosability of the received ECG signal evaluated using kurtosis, Negative Entropy, PRD, RMS and Cross Correlation. Simulation of ECG transmission over 802.15.4-ZigBee and 802.11b wireless protocols evaluated the effect of channel and network impairments on signal diagnosability.
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