Abstract
In this paper the implementation of extraction of respiratory signal from ECG signal in very large scale integration (VLSI) using discrete wavelet transform (DWT) is discussed. The Indirect method to obtain the respiratory signal from ECG can benefit both respiratory and cardiac activities. The accuracy of the extracted respiratory signal will be high. The implementation is based on bit serial approach (BS) which substitute multiply and accumulate operations. BS provides a multiplication-free method for calculating inner products of fixed-point data. But increase in filter order leads complexity. Here we propose high-speed and low power architecture. The proposed method is implemented in hardware description language and verified via simulation. The proposed architecture scheme yields significantly reduced complexity, less area and high speed features.
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