NDLI: Digital signal processing in bio-implantable systems: Design challenges and emerging solutions

Content Provider	IEEE Xplore Digital Library
Author	Narasimhan, S. Jongsun Park Bhunia, S.
Copyright Year	2010
Description	Author affiliation: School of Electrical Engineering, Korea University, Seoul, Korea (Jongsun Park) \|\| Electrical Engineering and Computer Science Department, Case Western Reserve University, 10900 Euclid Avenue, Cleveland, OH USA (Narasimhan, S.; Bhunia, S.)
Abstract	Implantable systems that monitor biological signals require increasingly complex digital signal processing (DSP) electronics for real-time in-situ analysis and compression of the recorded signals. While it is well-known that such signal processing hardware needs to be implemented under tight area and power constraints for small footprint and increased battery-life, new design requirements emerge with their increasing complexity. Use of nanoscale technology shows tremendous benefits in implementing these advanced circuits due to dramatic improvement in integration density and power dissipation per operation. However, it also brings in new challenges such as reliability and high leakage power. Besides, programmability of the device and security of the recorded information are desirable features, which need to be considered during the design of such systems. Programmability is important to adapt to individual subjects as well as to the temporal fluctuations in subject condition. On the other hand, information security is rapidly becoming an important design parameter since the recorded signal often needs to be transmitted outside the body through wireless channels. In this paper, we analyze the emerging issues associated with the design of the DSP unit in an implantable system. We note that conventional design solutions may not be attractive for such systems. However, novel algorithm-architecture-circuit co-design solutions, which leverage on the nature of the signal processing algorithms can be effective to realize ultra low-power, robust, programmable and secure hardware for on-chip realtime signal processing in implantable systems.
Starting Page	223
Ending Page	229
File Size	907725
Page Count	7
File Format	PDF
ISBN	9781424478095
e-ISBN	9781424478088
DOI	10.1109/ASQED.2010.5548247
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-08-03
Publisher Place	Malaysia
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Real time systems Bio-implantable systems ultralow power design Signal processing algorithms Information security Digital signal processing Signal processing Hardware neural interface Signal analysis Signal design Monitoring digital signal processing Biomedical signal processing
Content Type	Text
Resource Type	Article

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