A method for optimizing FRM-based FIR filters with optimum coefficient sensitivity is presented. This technique can be used in conjunction with nonlinear optimization techniques to design very sharp filters that do not only have very sparse coefficient values but also very low coefficient sensitivity. 2962 1-4244-0921-7/07 $25.00 © 2007 IEEE. Authorized licensed use limited to: CURTIN UNIVERSITY OF TECHNOLOGY. Downloaded on October 2, 2009 at 03:42 from IEEE Xplore. Restrictions apply.