Conference paper

 
Sekanina, L., Růžička, R., Gajda, Z.: Polymorphic FIR Filters with Backup Mode Enabling Power Savings, In: Proc. of the 2009 NASA/ESA Conference on Adaptive Hardware and Systems, Los Alamitos, US, IEEE CS, 2009, p. 43-50, ISBN 978-0-7695-3714-6
Publication language:english
Original title:Polymorphic FIR Filters with Backup Mode Enabling Power Savings
Title (cs):Polymorfní FIR filtry se záložním módem pro snížení příkonu
Pages:43-50
Proceedings:Proc. of the 2009 NASA/ESA Conference on Adaptive Hardware and Systems
Conference:NASA/ESA Conference on Adaptive Hardware and Systems
Place:Los Alamitos, US
Year:2009
ISBN:978-0-7695-3714-6
Publisher:IEEE Computer Society
URL: [PDF]
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Keywords
polymorphic circuit, FIR filter, cartesian genetic programming, adaptation
Annotation
A polymorphic FIR filter is proposed which can operate in two modes. The first mode is considered as a standard mode in which the filter performs a normal operation. In the second mode, the filter operates with reduced power supply voltage (Vdd), some filter coefficients are reconfigured (as response to the change of the polymorphic gates function which is controlled by Vdd) and some parts of the filter are disconnected. Experimental results indicate that while power consumption can significantly be reduced when half of the taps is suspended the filter is still able to achieve a reasonable quality of filtering.
BibTeX:
@INPROCEEDINGS{
   author = {Lukáš Sekanina and Richard Růžička and Zbyšek Gajda},
   title = {Polymorphic FIR Filters with Backup Mode Enabling Power
	Savings},
   pages = {43--50},
   booktitle = {Proc. of the 2009 NASA/ESA Conference on Adaptive Hardware
	and Systems},
   year = {2009},
   location = {Los Alamitos, US},
   publisher = {IEEE Computer Society},
   ISBN = {978-0-7695-3714-6},
   language = {english},
   url = {http://www.fit.vutbr.cz/research/view_pub.php?id=8987}
}