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Complexity Effective Frequency and Sidelink Synchronization Algorithm for LTE Device-to-Device Communication Systems

Yong-An Jung1, Min-Goo Kang2, Young-Hwan You1, *
1 Department of Computer Engineering, Sejong University, Seoul, Korea.
2 Department of IT Contents, Hanshin University, Gyeonggi-do, Korea.
* Corresponding Author: Young-Hwan You. Email: .

Computers, Materials & Continua 2020, 62(1), 443-458. https://doi.org/10.32604/cmc.2020.08777

Abstract

Device-to-device (D2D) communication is considered as a major challenge in the long term evolution (LTE) network wherein devices directly communicate with each other. One of the key challenges in D2D sidelink is reliable and reduced-complexity synchronization. To address this issue, a computationally efficient sequential detection scheme for integer carrier frequency offset and sidelink identity is proposed in the LTED2D system. To perform the frequency offset detection without retrieving the sidelink identity, the conjugate relation between two primary sidelink synchronization sequences is exploited, which facilitates the detection tasks of frequency offset and sidelink identity to be decoupled. It is demonstrated from simulation results that the inherent property of the sidelink synchronization sequences is effectively used for joint detection of frequency offset and sidelink identity with significantly reduced complexity, compared to existing estimation schemes.

Keywords

Long term evolution, device-to-device communication, carrier frequency offset, sidelink identity, sidelink synchronization.

Cite This Article

Y. Jung, M. Kang and Y. You, "Complexity effective frequency and sidelink synchronization algorithm for lte device-to-device communication systems," Computers, Materials & Continua, vol. 62, no.1, pp. 443–458, 2020.

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This work is licensed under a Creative Commons Attribution 4.0 International License , which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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