L
Lanjun Liu
Researcher at Ocean University of China
Publications - 48
Citations - 195
Lanjun Liu is an academic researcher from Ocean University of China. The author has contributed to research in topics: Underwater acoustic communication & Spread spectrum. The author has an hindex of 7, co-authored 47 publications receiving 138 citations. Previous affiliations of Lanjun Liu include University of Science and Technology Beijing.
Papers
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Journal ArticleDOI
Investigation of dynamic characteristics of a monopile wind turbine based on sea test
TL;DR: These monitoring campaigns of an actual in service OWT not only provide modal information support for structural maintenance and operation safety assessment, but also provide a real data reference for wind turbine design.
Proceedings ArticleDOI
Design and implementation of channel coding for underwater acoustic system
TL;DR: A RA coding based underwater acoustic channel coding scheme, aiming at the random mapping process of RA coding, based on the minimum sum algorithm, a look-up table based circuit design for fast iteration is introduced.
Proceedings ArticleDOI
PN sequence based Doppler and channel estimation for underwater acoustic OFDM communication
Lanjun Liu,Yonglei Zhang,Pengcheng Zhang,Lin Zhou,Jianfen Li,Jiucai Jin,Jie Zhang,Zhichao Lv +7 more
TL;DR: Aiming at the requirement of Doppler and channel estimation which applied to underwater mobile communication with orthogonal frequency division multiplexing (OFDM) technology, a PN sequence based method is proposed, an underwater acoustic OFDM communication system structure is given and a block data frame based on Pn sequence is designed.
Journal ArticleDOI
A Seabed Real-Time Sensing System for In-Situ Long-Term Multi-Parameter Observation Applications.
Lanjun Liu,Liao Zhibo,Caiyi Chen,Jialin Chen,Jiong Niu,Jia Yonggang,Xiujun Guo,Chen Zhaowei,Li Deng,Xu Haibo,Tao Liu +10 more
TL;DR: The preliminary test results based on harbor environment show the effectiveness of the developed seabed observation system, which adopts the “ARM + FPGA” architecture to meet the low power consumption, scalability, and versatility design requirements.
Journal ArticleDOI
Doppler Shift Estimation for Space-Based AIS Signals Over Satellite-to-Ship Links
Junfeng Wang,Yue Cui,Haixin Sun,Jianghui Li,Mingzhang Zhou,Zeyad A. H. Qasem,Hamada Esmaiel,Lanjun Liu +7 more
TL;DR: A novel Doppler shift estimation algorithm is proposed for space-based AIS signals over satellite-to-ship wireless fading channels and non-Gaussian noise, and its estimated expression is presented.