Title :
Optimal design of multi-channel transmultiplexers with stopband energy constraints
Author :
Shi, Yang ; Chen, Tongwen
Author_Institution :
Dept. of Electr. & Comput. Eng., Alberta Univ., Edmonton, Alta., Canada
fDate :
6/23/1905 12:00:00 AM
Abstract :
Optimal design incorporating filters´ stopband energy constraints for multi-channel, uniform and non-uniform transmultiplexers is studied. Central to the development is a reformulation of the design problem as a quadratically constrained quadratic programming problem where the stopband energy requirements are met by imposing a systems of quadratic constraints while the composite distortion measure proposed for reconstruction is minimized. An iterative optimal design procedure for FIR, synthesis filters and analysis filters is developed and applied to two design examples, one for the uniform case and the other for the nonuniform case
Keywords :
FIR filters; circuit optimisation; digital filters; quadratic programming; signal reconstruction; transmultiplexing; FIR analysis filters; FIR synthesis filters; composite distortion measure; iterative optimal design; multi-channel transmultiplexers; multirate signal processing; nonuniform transmultiplexers; quadratically constrained quadratic programming; signal reconstruction; stopband energy constraints; uniform transmultiplexers; Distortion measurement; Filter bank; Finite impulse response filter; Frequency division multiplexing; Image reconstruction; Phase measurement; Quadratic programming; Signal design; Signal processing; Time division multiplexing;
Conference_Titel :
Communications, Computers and signal Processing, 2001. PACRIM. 2001 IEEE Pacific Rim Conference on
Conference_Location :
Victoria, BC
Print_ISBN :
0-7803-7080-5
DOI :
10.1109/PACRIM.2001.953694
