NDLI: Efficient design of prototype filter for large scale filter bank-based multicarrier systems

Content Provider	IET Digital Library
Author	Jiang, Jun Zheng Ling, Bingo Wing Kuen Ouyang, Shan
Abstract	This study presents a new property of the filter bank-based multicarrier (FBMC) system. Also, an efficient iterative algorithm for designing the system with a large number of subcarriers and a prototype filter with a very long length are proposed. For the system, the compact from conditions are derived for both the intersymbol interference free and the interchannel interference (ICI) free. Based on these new conditions, the design of the prototype filter is formulated as an unconstrained optimisation problem where the objective function is the weighted sum of the total distortion of the system and the stopband energy. By deriving the gradient vector of the objective function, an efficient iterative algorithm is proposed for finding the solution of the optimisation problem. In addition, an efficient matrix inversion approach is presented to greatly reduce the computational complexity of the iterative algorithm. As a result, it is feasible to design the FBMC system with thousands of subcarriers. The convergence of the iterative algorithm is proved. Computer numerical simulation results with the comparisons to the existing methods are presented. It is shown that the proposed design algorithm is more effective and efficient than the existing methods.
Starting Page	521
Ending Page	526
Page Count	6
ISSN	17519675
Volume Number	11
e-ISSN	17519683
Issue Number	Issue 5, Jul (2017)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-spr/11/5
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-spr.2016.0566
Journal	IET Signal Processing
Publisher Date	2017-01-12
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Adjacent Channel Interference Channel Bank Filter Computational Complexity Computer Numerical Simulation Efficient Iterative Algorithm Efficient Matrix Inversion Approach Electromagnetic Compatibility FBMC System Filtering Method in Signal Processing Gradient Vector ICI Interchannel Interference Interference Interpolation And Function Approximation Intersymbol Interference Iterative Algorithm Iterative Method Large-scale Filter Bank-based Multicarrier System Linear Algebra Matrix Algebra Modulation Modulation And Coding Method Numerical Analysis Objective Function Optimisation Optimisation Problem Optimisation Technique Prototype Filter Design Stopband Energy Subcarrier Number Unconstrained Optimisation Problem
Content Type	Text
Resource Type	Article
Subject	Signal Processing Electrical and Electronic Engineering

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