NDLI: Design of new digital blind feedforward timing recovery algorithm for linear modulations in digital communication receivers

Content Provider	IET Digital Library
Author	Ayat, Mehdi Mirzakuchaki, Sattar Shirazi, Ali Asghar Beheshti
Abstract	Synchronisers are a significant part of digital communication receivers since they are used to estimate the received signal timing. Among these synchronisers, non-data-aided (NDA) or blind synchronisers are even more important due to bandwidth efficiency. In this study, a different approach is investigated to derive new feedforward NDA timing estimators based on Newton algorithm. Two novel estimators with four and two samples per symbol are presented and compared with traditional timing estimators, respectively. One of the main advantages of the second proposed estimator is the ability to control the loop gain automatically. This ability improves the convergence speed and robustness of the design. Simulation results show that the presented estimators outperform the conventional estimators over a noisy channel, especially at small excess bandwidth and low signal to noise ratio.
Starting Page	1736
Ending Page	1743
Page Count	8
ISSN	17518628
Volume Number	10
e-ISSN	17518636
Issue Number	Issue 14, Sep (2016)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-com/10/14
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-com.2015.0950
Journal	IET Communications
Publisher Date	2016-09-20
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Bandwidth Efficiency Blind Synchronisers Computer Communication Computer Network Computer Network And Technique Digital Blind Feedforward Timing Recovery Algorithm Digital Communication Digital Communication Receivers Feedforward NDA Timing Estimators Interpolation And Function Approximation Linear Modulations Modems Modulation Modulation And Coding Method NDA Synchronisers Newton Algorithm Newton Method Noisy Channel Nondata-aided Synchronisers Numerical Analysis Received Signal Timing Receiver Synchronisation
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering Computer Science Applications

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