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. 2025 Dec;19(1):11.
doi: 10.1007/s11571-024-10190-1. Epub 2025 Jan 9.

Cognitive neurodynamic approaches to adaptive signal processing in wireless sensor networks

K G Shanthi  1 , A Mary Joy Kinol  2 , S Rukmani Devi  3 , K Kannan  1
Affiliations

Cognitive neurodynamic approaches to adaptive signal processing in wireless sensor networks

K G Shanthi et al. Cogn Neurodyn. 2025 Dec.

Abstract

In recent years, Wireless Sensor Networks (WSN) have become vital because of their versatility in numerous applications. Nevertheless, the attain problems like inherent noise, and limited node computation capabilities, result in reduced sensor node lifespan as well as enhanced power consumption. To tackle such problems, this study develops a Modified-Distributed Arithmetic-Offset Binary Coding-based Adaptive Finite Impulse Response (MDA-OBC based AFIR) framework. By leveraging Modified Distributed Arithmetic (MDA) which optimizes arithmetic operations by replacing the multipliers with lookup tables (LUT) hence minimizing energy consumption as well as computational complexity. Offset Binary Coding (OBC) enhanced the efficiency of data transmission by minimizing the data representation overhead. In addition to this, the adaptive strategy is incorporated with the Adaptive Finite Impulse Response (AFIR) framework permitting the filters to dynamically adjust to varying signal characteristics, thus offering high noise suppression and low distortion rates. Comprehensive simulations and comparative analysis validate the effectiveness of the proposed MDA-OBC-based AFIR method. The proposed method attained a lower energy consumption of 1.5 J and 130 W power consumption than the traditional implementations, resulting in significant energy efficiency and data transmission in signal preprocessing and noise suppression in WSNs.

Keywords: Adaptive finite impulse response; Least mean squares; Look-up tables; Modified distributed arithmetic; Multiply and accumulate; Offset binary coding.

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Conflict of interest statement

Conflict of interestThe authors declare that they have no conflict of interest.

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