Enhancement Cascaded Least Square of RLS and NLMS for Wireless Communication System

Authors

  • Siti Maisurah Sulong Wireless Communication Technology Group, School of Electrical, College of Engineering, Universiti Teknologi MARA Shah Alam, Selangor, Malaysia
  • Azlina Idris Wireless Communication Technology Group, School of Electrical, College of Engineering, Universiti Teknologi MARA Shah Alam, Selangor, Malaysia
  • Darmawaty Mohd Ali Wireless Communication Technology Group, School of Electrical, College of Engineering, Universiti Teknologi MARA Shah Alam, Selangor, Malaysia
  • Noorazlina Mohamid Salih Marine Electrical Engineering Technology Section Universiti Kuala Lumpur MIMET Lumut, Perak, Malaysia

DOI:

https://doi.org/10.37934/araset.32.2.222233

Keywords:

Inter Symbol Interference (ISI), Enhancement Cascaded Least Square (ECLS), Recursive Least Square (RLS), Normalized Least Mean Square (NLMS)

Abstract

Orthogonal Frequency Division Multiplexing or known as OFDM has been a prominent digital communication scheme and was introduced in the 4G network. This technique can be described as an exceptional multicarrier instance where the signal data is transmitted using separate subcarriers through a total of the subcarriers at a lower rate. Although OFDM seems perfect for the development of 5G networks and upcoming 6G, this type of digital modulation still suffers from intersymbol interference (ISI). Enhancement Cascaded Least Square (ECLS) which is a sequence of adaptive algorithms has been proposed in this research to overcome ISI that occurs due to multipath propagation. ECLS is a combination of updated Recursive Least Square (URLS) and Normalized Least Mean Square (NLMS). URLS will reduce complexity while NLMS will overcome problem of convergence before being combined to become ECLS. The research outcome will be illustrated in Bit error rate (BER) to analyse lower interference and Mean Square Error (MSE) to analyse convergence. This research justified that ECLS can minimize the existence of interference in wireless communication systems.

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Author Biographies

Siti Maisurah Sulong, Wireless Communication Technology Group, School of Electrical, College of Engineering, Universiti Teknologi MARA Shah Alam, Selangor, Malaysia

sitimaisurah91@gmail.com

Azlina Idris, Wireless Communication Technology Group, School of Electrical, College of Engineering, Universiti Teknologi MARA Shah Alam, Selangor, Malaysia

azlina831@uitm.edu.my

Darmawaty Mohd Ali, Wireless Communication Technology Group, School of Electrical, College of Engineering, Universiti Teknologi MARA Shah Alam, Selangor, Malaysia

darma504@uitm.edu.my

Noorazlina Mohamid Salih, Marine Electrical Engineering Technology Section Universiti Kuala Lumpur MIMET Lumut, Perak, Malaysia

noorazlinams@unikl.edu.my

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Published

2023-09-17

How to Cite

Siti Maisurah Sulong, Azlina Idris, Darmawaty Mohd Ali, & Noorazlina Mohamid Salih. (2023). Enhancement Cascaded Least Square of RLS and NLMS for Wireless Communication System. Journal of Advanced Research in Applied Sciences and Engineering Technology, 32(2), 222–233. https://doi.org/10.37934/araset.32.2.222233

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