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Fir filter implementation using compressor based adder-tree structure
N. M. Jeevita, Salomie Elezabeth John, Neha Singh,
Published in IEEE
Volume: 2017-January
Pages: 1 - 6
FIR filter is significant unit in digital signal processing (DSP). In this paper a reconfigurable architecture named as modified constant shift method (MCSM) is proposed. The architecture uses the concept of compressors to make the FIR filter more power efficient. This compressor based adder-tree architecture is capable of working for different word lengths of FIR filter coefficient with less hardware complexity. A three bit binary common sub expression elimination (BCSE) method is used to reduce the redundant expression in coefficient multipliers. The proposed architecture has been tested and verified on a Cyclone IV E EP4CE115429C7 FPGA. The result shows that the proposed compressor based adder-tree FIR architecture offers power reduction, with satisfactory area and speed compared to the existing CSM architecture. © 2017 IEEE.
About the journal
JournalData powered by Typeset2017 International conference on Microelectronic Devices, Circuits and Systems (ICMDCS)
PublisherData powered by TypesetIEEE
Open AccessNo