Complexity-Effective Joint Detection of Physical Cell Identity and Integer Frequency Offset in 5G New Radio Communication Systems

Young-Hwan You (), Yong-An Jung, Sung-Hun Lee, Sung-Chan Choi and Intae Hwang ()
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Young-Hwan You: Department of Computer Engineering and Convergence Engineering for Intelligent Drone, Sejong University, Seoul 05006, Republic of Korea
Yong-An Jung: ICT Convergence Research Division, Intelligent Device Research Center, Gumi Electronics & Information Technology Research Institute (GERI), Gumi 39171, Republic of Korea
Sung-Hun Lee: ICT Convergence Research Division, Intelligent Device Research Center, Gumi Electronics & Information Technology Research Institute (GERI), Gumi 39171, Republic of Korea
Sung-Chan Choi: Autonomous IoT Research Center, Korea Electronics Technology Institute (KETI), Seongnam 13509, Republic of Korea
Intae Hwang: Department of Electronic Engineering and Department of ICT Convergence System Engineering, College of Engineering, Chonnam National University, Gwangju 61186, Republic of Korea

Mathematics, 2023, vol. 11, issue 20, 1-17

Abstract: This paper presents a simplified joint synchronization scheme for the integer carrier frequency offset and physical cell identity using a primary synchronization signal (PSS) in 5G new radio (NR) communication systems. We demonstrate the efficiency of our proposed NR-PSS synchronization scheme by deriving its simplified implementation, which exploits the near-zero autocorrelation feature between cyclically shifted NR-PSS symbols. As a figure of merit, we compute the probability of detection failure of the proposed NR-PSS synchronization scheme and validate its accuracy via simulations. To illustrate the benefits and limitations of the proposed NR-PSS synchronization scheme, we compare it with the conventional NR-PSS synchronization scheme, considering factors such as detection performance and computation complexity. Numerical results indicate that, regardless of the channel environment, the proposed NR-PSS synchronization scheme achieves a significant reduction in arithmetic complexity while maintaining the same detection capability as existing NR-PSS synchronization schemes.

Keywords: 5G new radio system; primary synchronization signal; physical cell identity; integer carrier frequency offset (search for similar items in EconPapers)
JEL-codes: C (search for similar items in EconPapers)
Date: 2023
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