Finite Impulse Response (FIR) digital filters have potential for high-speed and low-power realization through parallel processing on FPGA. In this paper, an efficient implementation of FIR filters, which uses a Booth Radix-8 multiplier, is suggested. For implementation of the said FIR filter MATLAB FDATool is employed to determine various filter coefficients. The 8 order FIR filters have been d...

Optimal finite impulse response (FIR) error feedback filters for noise shaping in modulators are designed by using weighting functions based on the system norms. We minimize the weighted norms of the quantization error in the output of a modulator, which corresponds to the minimization of the system norm. Three norms, the H2 system norm, the H∞ system norm, and the l1 norm of the impulse respon...

Techniques based on the frequency-response masking (FRM) approach are known to be highly effective for reducing the number of multipliers and adders in linear-phase finite-impulse response (FIR) filters. The basic FRM structure comprises a band-edge shaping filter and two masking filters. It is observed that the impulse response of the band-edge shaping filter of an FRM structure exhibits a qua...

Digital Filter is an important part of digital signal processing (DSP) system and it usually comes in two categories: finite impulse response (FIR) and infinite impulse response (IIR). FIR filter is an attractive choice because of the ease in design and stability. By designing the filter taps to be symmetrical about the centre tap position, a FIR filter can be guaranteed to have linear phase. L...

A feedforward control algorithm for active noise control based on the recursive estimation of a generalized finite impulse response (FIR) filter is presented in this paper. Recursive least square estimation (RLSE) with variable forgetting factors is applied to a commercial air ventilation silencer to provide the online estimation of the generalized finite impulse response (FIR) filter to obtain...

In the majority of digital signal processing (DSP) applications the critical operations are the multiplication and accumulation. Multiplier‐Accumulator (MAC) unit that consumes low power is always a key to achieve a high performance digital signal processing system. Finite impulse response (FIR) filters are widely used in various DSP applications .The purpose of this work is to design and imple...

In this paper we introduce the generalized feedforward filter, a new class of adaptive filters that combines attractive properties of finite impulse response (FIR) filters with some of the power of infinite impulse response (IIR) filters. A particular case, the gamma filter, generalizes Widrow’s adaptive transversal filter (adaline) to an infinite impulse response filter. Yet, the stability con...

Reconfigurability, low complexity and low power consumption are the key requirements in a FIR filter. Many works have been done on the reduction of area and power requirements but Reconfigurability is less addressed in the papers. In this paper, a survey has been conducted on the works done in the past on the Reconfigurability of the FIR filters and various algorithms being used for making the ...

In this paper, performance and area of conventional FIR (Finite Impulse Responce) filters versus ternary sigma delta modulated FIR filter is compared in FPGA (Field Programmable Gate Arrays) using VHDL (Verilog Description Language). Two different approaches were designed and synthesized at same spectral performance by obtaining a TIR (Target Impulse Response). Both filters were synthesized on ...

Finite Impulse Response (FIR) filters are widely applied in multistandard wireless communications. The two key requirements of FIR filters are reconfigurability and low complexity. In this paper, two reconfigurable FIR filter architectures are proposed, namely Constant Shift Method [CSM] and Programmable Shift Method [PSM]. The complexity of linear phase FIR filters is dominated by the number o...