Attenuation Factor approach to minimize the correlation effect in Soft Output Viterbi Algorithm

V Aarthi, VRS Dhulipala, P Rangababu - Physical Communication, 2020 - Elsevier
Prominent turbo decoding algorithms used for wireless applications are Maximum A
posteriori Probability (MAP) and Soft Output Viterbi Algorithm (SOVA). These algorithms are …

Smart and Sustainable Energy Systems: Enhanced Transmission of EEG Signals in Telemedicine Applications using Soft Output Viterbi Turbo Decoder

KBS Kumar, BR Sujatha, N Sushma… - IOP Conference Series …, 2024 - iopscience.iop.org
In the era of telemedicine, where remote treatment is gaining traction, the reliable
transmission of biomedical signals is paramount. Turbo Coding has emerged as a pivotal …

Efficient SOVA decoding and enhanced early termination mechanism based on new attenuation factors

AA Hamad, HF Jaafar… - … Electronics and Control), 2022 - telkomnika.uad.ac.id
This paper proposes two attenuation factors (AF's) to improve the performance of the soft-
output Viterbi algorithm (SOVA) as well as to enhance the early termination mechanism in …

Upgraded Max-Log-MAP algorithm using adaptive correction factors for decoders in AWGN and fading channel

NS Pradeep, V Aarthi, VRS Dhulipala - Journal of Ambient Intelligence …, 2022 - Springer
Abstract Max-Log-MAP (MLMAP) algorithm is a sub-optimal turbo decoding algorithm. There
are two distortions which result in the sub-optimal performance of MLMAP algorithm. They …

Performance improvement of Max-Log-MAP Turbo decoding algorithm using optimized scaling factor for image transmission and retrieval

MB Moses, NS Pradeep - … on Green Computing and Internet of …, 2015 - ieeexplore.ieee.org
In order to achieve error correction nearer to Shanon's limit, Turbo decoder imparts either
Soft Output Viterbi Algorithm (SOVA) or Maximum Posteriori Probability (MAP). The …

Combined source and channel coding for image transmission using enhanced turbo codes in AWGN and Rayleigh fading channel

V Aarthi, SN Kannan… - … Conference on Advanced …, 2015 - ieeexplore.ieee.org
Any signal transmitted over a channel is corrupted by noise and interference. A host of
channel coding techniques has been proposed to alleviate the effect of such noise and …

Modified Max-Log-MAP turbo decoding algorithm using optimized scaling factor

R Krishnamoorthy, NS Pradeep - … International Conference on …, 2013 - ieeexplore.ieee.org
The Max-Log-MAP is a Soft Input Soft Output (SISO) algorithm, which determines the
probability of most likely path through the trellis and hence it gives sub optimal performance …

Reduction Factor Approach to Improve the Performance of Soft Output Viterbi Algorithm in AWGN Channel

V Aarthi, VRS Dhulipala… - 2019 IEEE International …, 2019 - ieeexplore.ieee.org
Turbo Codes are considered the paramount channel coding technique due to its significant
performance with guaranteed Quality of Service (QOS) that is highly suitable for advanced …

A method to improve decoding performance of MAX-LOG-MAP algorithm for turbo codes in LTE-Advanced standard

Y Gao, M Qin, Y Cheng, H Wang… - … Systems (ISCAIS 2022 …, 2022 - spiedigitallibrary.org
Turbo code is a channel coding and decoding technology approaching Shannon limit. As a
low complexity Max-Log-MAP (MLMAP) decoding algorithm, it is widely used in industry. At …

[PDF][PDF] Effect of various CODEC parameters on the performance of modified max-log-MAP turbo decoding algorithm

R Krishnamoorthy, NS Pradeep, V Aarthi - WSEAS Transactions on … - researchgate.net
Turbo decoder uses any one of the decoding algorithms, Maximum A posteriori Probability
(MAP), or Soft Output Viterbi Algorithm (SOVA) because it produces error correction near to …