1997 IEEE International Conference on Application-Specific Systems, Architectures and Processors (ASAP'97)
Realization of a nonlinear digital filter on a DSP array processor
Zurich, SWITZERLAND
July 14-July 16
ISBN: 0-8186-7958-1
H. Kwan, Dept. of Electr. & Comput. Eng., Texas Univ., Austin, TX, USA
E.J. Powers, Dept. of Electr. & Comput. Eng., Texas Univ., Austin, TX, USA
This paper presents the performance evaluation of a fast third-order Volterra digital filtering algorithm mapped onto an AT&T DSP-3 parallel processor. Five different implementations are considered. Speed-up results indicate that the "time-skewing" method is currently the fastest. An application to nonlinear communication channel equalization using a 64-QAM signal constellation is presented.
Index Terms:
digital signal processing chips; nonlinear digital filter; performance evaluation; third-order Volterra digital filtering algorithm; AT&T DSP-3 parallel processor; time-skewing; nonlinear communication channel equalization; 64-QAM signal constellation
Citation:
H. Kwan, E.J. Powers, E.E. Swartzlander, Jr., "Realization of a nonlinear digital filter on a DSP array processor," asap, pp.24, 1997 IEEE International Conference on Application-Specific Systems, Architectures and Processors (ASAP'97), 1997