Title :
Design of narrow-band Laguerre filters using a min-max criterion
Author :
Abeysekera, Saman S. ; Yao, Xue
Author_Institution :
Sch. of Electr. & Electron. Eng., Nanyang Technol. Inst., Singapore
Abstract :
As an alternative to conventional FIR filters, IIR filter architecture based on orthonormal Laguerre functions is proposed for applications in narrow-band filtering. A Laguerre IIR filter design methodology is presented via a frequency transformation in the digital domain. The Laguerre filter can then be efficiently designed using a min-max criterion via a modified Parks-McClellan (1972) FIR filter design algorithm. The proposed Laguerre IIR filter architecture is easy to implement because it needs only a small number of components and therefore well suited for VLSI circuits. The impact of the selection of filter pole on the filter stability and phase linearity is discussed in the paper. The robustness issue of the narrow-band Laguerre IIR filter is also addressed
Keywords :
IIR filters; VLSI; circuit stability; digital filters; low-pass filters; minimax techniques; network synthesis; poles and zeros; IIR filter architecture; Laguerre IIR filter design; VLSI circuits; digital domain; digital filter; filter design algorithm; filter phase linearity; filter pole selection; filter stability; frequency transformation; low-pass filter; min-max criterion; modified Parks-McClellan FIR filter design; narrow-band Laguerre IIR filter; orthonormal Laguerre functions; Algorithm design and analysis; Circuit stability; Design methodology; Filtering; Finite impulse response filter; Frequency; IIR filters; Linearity; Narrowband; Very large scale integration;
Conference_Titel :
Acoustics, Speech, and Signal Processing, 2000. ICASSP '00. Proceedings. 2000 IEEE International Conference on
Conference_Location :
Istanbul
Print_ISBN :
0-7803-6293-4
DOI :
10.1109/ICASSP.2000.861890
