DAFA: Dynamic approximate full adders for high area and energy efficiency

YS Mehrabani, RF Mirzaee - Integration, 2024‏ - Elsevier
As the number of transistors on a chip surface increases, power consumption becomes more
and more a serious concern. A promising solution to bridge the gap between resource …

CecApprox: Enabling automated combinational equivalence checking for approximate circuits

CK Jha, M Hassan, R Drechsler - IEEE Transactions on …, 2024‏ - ieeexplore.ieee.org
Approximate circuits have become ubiquitous in error-resilient applications. Given their
widespread use, formal verification of these approximate designs is essential. Recently …

Polynomial formal verification of approximate adders with constant cutwidth

M Nadeem, CK Jha, R Drechsler - 2024 IEEE European Test …, 2024‏ - ieeexplore.ieee.org
In the context of digital circuits, formal verification methods have been well-studied to ensure
their functional correctness. However, several verification methods fail to provide an upper …

Polynomial Formal Verification of Multi-Valued Approximate Circuits Within Constant Cutwidth

M Nadeem, CK Jha, R Drechsler - IEEE Transactions on …, 2025‏ - ieeexplore.ieee.org
Ensuring functional correctness is achieved through formal verification. As circuit complexity
increases, limiting the upper bounds for time and space required for verification becomes …

Correct and Verify—CAV: Exploiting Binary Decision Diagrams to Enable Formal Verification of Approximate Adders With Correct Carry Bits

CK Jha, K Qayyum, M Hassan… - IEEE Transactions on …, 2024‏ - ieeexplore.ieee.org
Approximate adders have received significant attention as they give benefits in power,
performance, and area for error-resilient applications. Due to their ubiquitous use, formal …

[PDF][PDF] Efficient very large-scale integration architecture design of proportionate-type least mean square adaptive filters

GS Lakshmaiah, CK Narayanappa… - Int. J. Reconfigurable …, 2024‏ - academia.edu
(DMPNLMS) algorithm has been proposed. It is the improvised version of the µ-law
proportionate normalized least mean square (MPNLMS) algorithm. The algorithm is realized …

HOAA: Hybrid Overestimating Approximate Adder for Enhanced Performance Processing Engine

O Kokane, P Sati, M Lokhande… - … Symposium on VLSI …, 2024‏ - ieeexplore.ieee.org
This paper presents the Hybrid Overestimating Approximate Adder designed to enhance the
performance in processing engines, specifically focused on edge-AI applications. A novel …

Hidden Cost of Circuit Design with RFETs

S Parvin, CK Jha, FS Torres… - … Design, Automation & …, 2024‏ - ieeexplore.ieee.org
Reconfigurable Field Effect Transistors (RFETs) can be programmed on the fly to behave
either as NMOS or PMOS. Digital circuit designs using RFETs have been shown to benefit …

EnR: extend and reduce methodology to enable formal verification of truncated adders

CK Jha, K Qayyum, M Hassan… - it-Information …, 2024‏ - degruyter.com
Truncated adders are widely used in applications where using lower bit-width is enough to
generate the desired outputs. Truncated adders give benefits in area, power, and delay as …

An Optimized VLSI Implementation of the Least Mean Square (LMS) Adaptive Filter Architecture on the Basis of Distributed Arithmetic Approach

M Nagabushanam, S Chakrasali… - Journal of The Institution …, 2024‏ - Springer
Adaptive filters find applications in many areas such as echo cancellation in long-distance
telephone networks, linear prediction of the signal in speech and image coding, channel …