Title :
Design of FIR Filter Using FCSD Representation
Author :
Goel, Neha ; Nandi, Ashutosh
Author_Institution :
Dept. of Electron. & Comm. Eng., Nat. Inst. of Technol., Kurukshetra, India
Abstract :
This paper presents design and implementation of a sixteen order efficient FIR filter for wireless communication system. In this work, factored canonical signed digit representation (FCSD) is used in order to reduce the design complexity as compared to canonical signed digit (CSD). We have replaced multiplication operation with add and shift method by representing coefficient in CSD and FCSD format for reducing the complexity of the system. FIR filter has been designed using an equiripple method in MATLAB and further synthesized on Spartan3E XC3S500E target FPGA device. Simulation results show that Symmetric FCSD based FIR filter offers 35.68% less number of slices as compared to the direct form filter structure and 8.355% less number of look up tables (LUT) as compared to CSD based filter.
Keywords :
FIR filters; field programmable gate arrays; mathematics computing; radiocommunication; table lookup; LUT; MATLAB; Spartan3E XC3S500E target FPGA device; add method; direct form filter structure; equiripple method; factored canonical signed digit representation; look up tables; shift method; sixteen order efficient FIR filter; symmetric FCSD; wireless communication system; Adders; Complexity theory; Field programmable gate arrays; Finite impulse response filters; Simulation; Table lookup; CSD; DSP; FCSD; FIR Filter;
Conference_Titel :
Computational Intelligence & Communication Technology (CICT), 2015 IEEE International Conference on
Conference_Location :
Ghaziabad
Print_ISBN :
978-1-4799-6022-4
DOI :
10.1109/CICT.2015.85
