NDLI: Precoded generalised frequency division multiplexing system to combat inter-carrier interference: performance analysis

Content Provider	IET Digital Library
Author	Tiwari, Shashank Das, Suvra Sekhar Bandyopadhyay, Kalyan Kumar
Abstract	The expected operating scenarios of fifth-generation (5G) pose a great challenge to orthogonal frequency division multiplexing which has poor out of band spectral properties, stringent synchronisation requirements and large symbol duration. Generalised frequency division multiplexing (GFDM) which is the focus of this work has been suggested in the literature as one of the possible solutions to meet 5G requirements. In this study, the analytical performance evaluation of minimum mean square error (MMSE) receiver for GFDM is presented. The authors also proposed precoding techniques to enhance the performance of GFDM. A simplified expression of signal-to-interference and noise ratio (SINR) for MMSE receiver of GFDM is derived using special properties related to the modulation matrix of GFDM, which are described in this study. This SINR is used to evaluate the bit error rate performance. Precoding schemes are proposed to reduce complexity of GFDM–MMSE receiver without compromising on the performance. Block inverse discrete Fourier transform (BIDFT) and discrete Fourier transform (DFT)-based precoding schemes are found to outperform GFDM–MMSE receiver due to frequency diversity gain while having complexity similar to zero-forcing receiver of GFDM. It is shown that both BIDFT- and DFT-based precoding schemes reduce peak-to-average power ratio significantly. Computational complexities of different transmitters and receivers of precoded and uncoded GFDM are also presented.
Starting Page	1829
Ending Page	1841
Page Count	13
ISSN	17518628
Volume Number	9
e-ISSN	17518636
Issue Number	Issue 15, Oct (2015)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-com/9/15
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-com.2015.0081
Journal	IET Communications
Publisher Date	2015-09-10
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	5G Mobile Communication 5G Requirements BIDFT-based Precoding Scheme Bit Error Rate Performance Evaluation Block Inverse Discrete Fourier Transform-based Precoding Scheme Code Communication Switching Complexity Reduction DFT-based Precoding Scheme Discrete Fourier Transform Discrete Fourier Transform-based Precoding Scheme Diversity Reception Electromagnetic Compatibility Error Statistics Frequency Diversity Gain Frequency Division Multiplexing GFDM-MMSE Receiver Integral Transforms in Numerical Analysis Intercarrier Interference Interference Interpolation And Function Approximation Inverse Transforms Least Mean Squares Method Linear Algebra Matrix Algebra Minimum Mean Square Error Receiver Mobile Radio System Modulation Matrix Numerical Analysis Peak-to-average Power Ratio Reduction Performance Analysis Performance Enhancement Precoded Generalised Frequency Division Multiplexing System Precoding Radio Frequency Interference Radio Receiver Signal-to-interference-and-noise Ratio SINR Statistics Zero-forcing Receiver
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering Computer Science Applications

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
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