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- Title
Adaptive decision feedback equalizer with dynamic principle for echo cancellation.
- Authors
Mastan Sharif, S. K.; Satya Prasad, K.; Venkata Rao, D.
- Abstract
Adaptive decision feedback equalizer (ADFE) based on Least Mean square algorithm (LMS) has emerged as a novel tool for signal propagation without noise. However, it has the limitation of computational complexity. Since it has been reported that substantial echo cancellation leads to increased system quality and capacity, this paper proposes a dynamic LMS-based ADFE (DLMS-ADFE) to cancel the generation of the echo signal. The DLMS-ADFE has two dynamic principles in updating the coefficients. The first principle has varying step-size and the second principle has varying degree and magnitude of the signal. The comparison results show that the DLMS-ADFE is outperforming LMS-ADFE.
- Subjects
ADAPTIVE control systems; ECHO suppression; EQUALIZERS (Electronics); FEEDBACK control systems; DECISION making
- Publication
Transactions of the Institute of Measurement & Control, 2018, Vol 40, Issue 16, p4455
- ISSN
0142-3312
- Publication type
Article
- DOI
10.1177/0142331218755233