RETRACTED: Orthogonal Frequency Division Multiplexing Underwater Acoustic Communication System with Environmental Cognition Ability (Retracted Article)

被引：2

作者：

Wu, Jinqiu ^{[1
,2
]}

Qi, Xiaofei ^{[1
]}

Guo, Kang ^{[3
]}

Zhou, Jiaqiong ^{[1
]}

Zhang, Yi ^{[1
]}

机构：

[1] Peng Cheng Lab, Shenzhen 518000, Peoples R China

[2] Qiqihar Univ, Qiqihar 161000, Heilongjiang, Peoples R China

[3] China Aerosp Sci & Technol Corp, Beijing 100000, Peoples R China

来源：

SECURITY AND COMMUNICATION NETWORKS | 2021年 / 2021卷

基金：

中国国家自然科学基金;

关键词：

CHANNEL ESTIMATION; ADAPTIVE MODULATION; OFDM; VARIABILITY;

D O I：

10.1155/2021/1640072

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

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.

引用

页数：12

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