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J. KIMS Technol > Volume 21(5); 2018 > Article
Journal of the Korea Institute of Military Science and Technology 2018;21(5):640-648.
DOI: https://doi.org/10.9766/KIMST.2018.21.5.640   
A Design and Implementation of Range Adaptive Time Synchronization on USV Maritime Wireless Communication
Hyunsung Park, Taehyeon Kim, Sangyell Gwak, Wooyoung Noh, Jimyung Oh
1The 6th Research and Development Institute, Agency for Defense Development
2Communication R&D Lab, LIG Nex1
무인수상정 해상무선통신 거리 적응적 동기화 설계 및 구현
박현성, 김태현, 곽상열, 노우영, 오지명
1국방과학연구소 제6기술연구본부
2LIG넥스원(주) 통신연구센터
Abstract
Time division wireless communication in tactical MANET is attractive to deliver both high data rates and long-range coverage, and to provide scheduled QoS to mission participants. This paper is about the time synchronization issue of multi-mission USV in tactical MANET. As USV communication coverage becomes longer, the synchronization error also becomes higher; therefore, which results in link disconnection, and consequent failures of reconnection because base station cannot configure necessary parameters over long-distant terminal. We propose a range adaptive time synchronization method to compensate for synchronization errors. The issue of long-range time synchronization problem was identified during maritime communication tests, and we verified the proposed method through analyses of both indoor and outdoor test results.
Key Words: USV, Maritime Wireless Communication, Synchronization, TDD, TDMA


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