Generalized Frequency Division Multiplexing with Flexible Index Modulation Numerology

Ersin Ozturk; Ertugrul Basar; Hakan Ali Cirpan

doi:10.1109/LSP.2018.2864601

Generalized Frequency Division Multiplexing with Flexible Index Modulation Numerology

Ersin Ozturk^*, Ertugrul Basar, Hakan Ali Cirpan

^*Corresponding author for this work

Department of Electronics and Communication Engineering

Research output: Contribution to journal › Article › peer-review

22 Citations (Scopus)

Abstract

In this letter, generalized frequency division multiplexing (GFDM) is combined with index modulation (IM) exploiting the block-based structure of GFDM in an innovative way. The proposed GFDM-IM scheme uses flexible IM numerology to reduce out-of-band (OOB) emission and provides a novel multilayer system model to further benefit from the enhanced distance spectrum of IM. The proposed scheme adapts maximum likelihood successive interference cancellation based near-optimum detector to improve the error performance and reduce the computational complexity. It has been shown that the proposed GFDM-IM scheme achieves better error performance than classical and IM-based orthogonal frequency division multiplexing and GFDM schemes at the same spectral efficiency, and provides an interesting tradeoff among OOB emission, spectral efficiency, and latency.

Original language	English
Article number	8430381
Pages (from-to)	1480-1484
Number of pages	5
Journal	IEEE Signal Processing Letters
Volume	25
Issue number	10
DOIs	https://doi.org/10.1109/LSP.2018.2864601
Publication status	Published - Oct 2018

Bibliographical note

Publisher Copyright:
© 1994-2012 IEEE.

Funding

Manuscript received May 29, 2018; revised July 10, 2018; accepted August 4, 2018. Date of publication August 9, 2018; date of current version August 23, 2018. The work of E. Basar was supported by the Turkish Academy of Sciences (TUBA) GEBIP Programme. The associate editor coordinating the review of this manuscript and approving it for publication was Prof. Francesco Verde. (Corresponding author: Ersin Öztürk.) E. Öztürk is with the Faculty of Electrical and Electronics Engineering, Istanbul Technical University, Istanbul 34469, Turkey, and also with the Department of Research and Development, NETAS¸, Istanbul 34912, Turkey (e-mail:, [email protected]).

Funders	Funder number
TUBA
Türkiye Bilimler Akademisi

Keywords

Fifth generation (5G) wireless networks
generalized frequency division multiplexing (GFDM)
index modulation (IM)
multicarrier modulation
physical (PHY) layer design

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10.1109/LSP.2018.2864601

Cite this

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title = "Generalized Frequency Division Multiplexing with Flexible Index Modulation Numerology",

abstract = "In this letter, generalized frequency division multiplexing (GFDM) is combined with index modulation (IM) exploiting the block-based structure of GFDM in an innovative way. The proposed GFDM-IM scheme uses flexible IM numerology to reduce out-of-band (OOB) emission and provides a novel multilayer system model to further benefit from the enhanced distance spectrum of IM. The proposed scheme adapts maximum likelihood successive interference cancellation based near-optimum detector to improve the error performance and reduce the computational complexity. It has been shown that the proposed GFDM-IM scheme achieves better error performance than classical and IM-based orthogonal frequency division multiplexing and GFDM schemes at the same spectral efficiency, and provides an interesting tradeoff among OOB emission, spectral efficiency, and latency.",

keywords = "Fifth generation (5G) wireless networks, generalized frequency division multiplexing (GFDM), index modulation (IM), multicarrier modulation, physical (PHY) layer design",

author = "Ersin Ozturk and Ertugrul Basar and Cirpan, \{Hakan Ali\}",

note = "Publisher Copyright: {\textcopyright} 1994-2012 IEEE.",

year = "2018",

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AU - Cirpan, Hakan Ali

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AB - In this letter, generalized frequency division multiplexing (GFDM) is combined with index modulation (IM) exploiting the block-based structure of GFDM in an innovative way. The proposed GFDM-IM scheme uses flexible IM numerology to reduce out-of-band (OOB) emission and provides a novel multilayer system model to further benefit from the enhanced distance spectrum of IM. The proposed scheme adapts maximum likelihood successive interference cancellation based near-optimum detector to improve the error performance and reduce the computational complexity. It has been shown that the proposed GFDM-IM scheme achieves better error performance than classical and IM-based orthogonal frequency division multiplexing and GFDM schemes at the same spectral efficiency, and provides an interesting tradeoff among OOB emission, spectral efficiency, and latency.

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KW - multicarrier modulation

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Generalized Frequency Division Multiplexing with Flexible Index Modulation Numerology

Abstract

Bibliographical note

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Keywords

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