Orthogonal Frequency Division Multiplexing Underwater Acoustic Communication System with Environmental Cognition Ability | Zendy

Jinqiu Wu | Zendy; Xiaofei Qi | Zendy; Kang Guo | Zendy; Jiaqiong Zhou | Zendy; Yi Zhang | Zendy

Open Access

Orthogonal Frequency Division Multiplexing Underwater Acoustic Communication System with Environmental Cognition Ability

Author(s) -

Jinqiu Wu,

Xiaofei Qi,

Kang Guo,

Jiaqiong Zhou,

Yi Zhang

Publication year - 2021

Publication title -

security and communication networks

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.446

H-Index - 43

eISSN - 1939-0114

pISSN - 1939-0122

DOI - 10.1155/2021/1640072

Subject(s) - computer science , orthogonal frequency division multiplexing , underwater acoustic communication , underwater , transmission (telecommunications) , channel (broadcasting) , coding (social sciences) , multiplexing , communications system , link adaptation , telecommunications , electronic engineering , engineering , oceanography , statistics , mathematics , fading , geology

In UWAC (underwater acoustic communication), UWA (underwater acoustic) channels change rapidly due to varying environment conditions. AMC (adaptive modulation and coding) is an efficient technique to improve system efficiency by changing transmission parameters according to channel conditions in UWA channels. In this paper, we propose an environmental cognition orthogonal frequency division multiplexing (OFDM) UWAC system and compare it with AMC algorithm with six transmission modes together with three threshold detection algorithms. Simulation and experimental results show the effectiveness of the proposed system. The system will play an important role in future communication networks which can significantly improve the efficiency of the system.

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