Efficient Time Synchronization Method with Adaptive Resource Configuration for FBMC Systems

Bongsung Seo; Dongkyu Sim; Taehyun Lee; Chungyong Lee

doi:10.1109/TCOMM.2020.3001118

Efficient Time Synchronization Method with Adaptive Resource Configuration for FBMC Systems

Bongsung Seo, Dongkyu Sim, Taehyun Lee, Chungyong Lee

Department of Electrical and Electronic Engineering

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

6 Citations (Scopus)

Abstract

We propose a time synchronization method which is applicable to both offset quadrature amplitude modulation based filter-bank multicarrier (FBMC-OQAM) system and quadrature amplitude modulation based filter-bank multicarrier (FBMC-QAM) system. Based on the relation between the transmitted data symbols and FBMC signal, we design the scattered symbols to make a specific time domain region empty. Then, we insert the preamble in that region so as to transmit it perfectly. The performance of the proposed synchronization method is compared with the conventional time synchronization methods for the FBMC systems in terms of root mean square error (RMSE) of symbol timing offset (STO), bit error ratio (BER) and correctly detected data bit ratio per frame. Since the proposed method can reduce the resource usage for the synchronization, the resources for data transmission can be increased, thereby improving the spectral efficiency of the FBMC systems.

Original language	English
Article number	9112330
Pages (from-to)	5563-5574
Number of pages	12
Journal	IEEE Transactions on Communications
Volume	68
Issue number	9
DOIs	https://doi.org/10.1109/TCOMM.2020.3001118
Publication status	Published - 2020 Sept

Bibliographical note

Funding Information:
Manuscript received December 30, 2019; revised April 30, 2020; accepted May 30, 2020. Date of publication June 9, 2020; date of current version September 16, 2020. This work was supported by the Institute for Information and Communications Technology Promotion (IITP) grant funded by the Korea Government (MSIP) (2016-0-00181-004, Development on the core technologies on transmission, modulation and coding with low-power and low-complexity for massive connectivity in the IoT environment). The associate editor coordinating the review of this article and approving it for publication was M. A. A. Imran. (Corresponding author: Chungyong Lee.) Bongsung Seo and Chungyong Lee are with the Department of Electrical and Electronic Engineering, Yonsei University, Seoul 03722, South Korea (e-mail: storybs@yonsei.ac.kr; cylee@yonsei.ac.kr).

Publisher Copyright:
© 1972-2012 IEEE.

All Science Journal Classification (ASJC) codes

Electrical and Electronic Engineering

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10.1109/TCOMM.2020.3001118

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title = "Efficient Time Synchronization Method with Adaptive Resource Configuration for FBMC Systems",

abstract = "We propose a time synchronization method which is applicable to both offset quadrature amplitude modulation based filter-bank multicarrier (FBMC-OQAM) system and quadrature amplitude modulation based filter-bank multicarrier (FBMC-QAM) system. Based on the relation between the transmitted data symbols and FBMC signal, we design the scattered symbols to make a specific time domain region empty. Then, we insert the preamble in that region so as to transmit it perfectly. The performance of the proposed synchronization method is compared with the conventional time synchronization methods for the FBMC systems in terms of root mean square error (RMSE) of symbol timing offset (STO), bit error ratio (BER) and correctly detected data bit ratio per frame. Since the proposed method can reduce the resource usage for the synchronization, the resources for data transmission can be increased, thereby improving the spectral efficiency of the FBMC systems.",

author = "Bongsung Seo and Dongkyu Sim and Taehyun Lee and Chungyong Lee",

note = "Funding Information: Manuscript received December 30, 2019; revised April 30, 2020; accepted May 30, 2020. Date of publication June 9, 2020; date of current version September 16, 2020. This work was supported by the Institute for Information and Communications Technology Promotion (IITP) grant funded by the Korea Government (MSIP) (2016-0-00181-004, Development on the core technologies on transmission, modulation and coding with low-power and low-complexity for massive connectivity in the IoT environment). The associate editor coordinating the review of this article and approving it for publication was M. A. A. Imran. (Corresponding author: Chungyong Lee.) Bongsung Seo and Chungyong Lee are with the Department of Electrical and Electronic Engineering, Yonsei University, Seoul 03722, South Korea (e-mail: storybs@yonsei.ac.kr; cylee@yonsei.ac.kr). Publisher Copyright: {\textcopyright} 1972-2012 IEEE.",

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N2 - We propose a time synchronization method which is applicable to both offset quadrature amplitude modulation based filter-bank multicarrier (FBMC-OQAM) system and quadrature amplitude modulation based filter-bank multicarrier (FBMC-QAM) system. Based on the relation between the transmitted data symbols and FBMC signal, we design the scattered symbols to make a specific time domain region empty. Then, we insert the preamble in that region so as to transmit it perfectly. The performance of the proposed synchronization method is compared with the conventional time synchronization methods for the FBMC systems in terms of root mean square error (RMSE) of symbol timing offset (STO), bit error ratio (BER) and correctly detected data bit ratio per frame. Since the proposed method can reduce the resource usage for the synchronization, the resources for data transmission can be increased, thereby improving the spectral efficiency of the FBMC systems.

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Efficient Time Synchronization Method with Adaptive Resource Configuration for FBMC Systems

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