Performance of SCHT Sequences in Multicarrier Underwater Acoustic Communications System

被引：1
|
作者：
Fan, Zi-Chen [1 ]
Rahardja, Susanto [1 ,2 ]
机构：
[1] Northwestern Polytech Univ, Sch Marine Sci & Technol, Xian, Peoples R China
[2] Singapore Inst Technol, Infocomm Technol Cluster, Singapore, Singapore
来源：
2022 IEEE OCEAN ENGINEERING TECHNOLOGY AND INNOVATION CONFERENCE-MANAGEMENT AND CONSERVATION FOR SUSTAINABLE AND RESILIENT MARINE AND COASTAL RESOURCES, OETIC | 2022年
关键词：
Underwater acoustic communications system; sequency-ordered complex Hadamard transform (SCHT) sequences; Rayleigh fading channel;
D O I：
10.1109/OETIC57156.2022.10176246
中图分类号：
U6 [水路运输]; P75 [海洋工程];
学科分类号：
0814 ; 081505 ; 0824 ; 082401 ;
摘要：
In this paper, we apply complex spreading sequences to the underwater acoustic communications system. We derive the bit error rate (BER) expression of the multicarrier underwater acoustic communications system over Rayleigh fading channels. We compare the BER performance of the communications system with different spreading sequences including sequency-ordered complex Hadamard transform (SCHT) sequences, unified complex Hadamard transform (UCHT) sequences, and Walsh-Hadamard transform (WHT) sequences. The numerical BER simulation results show that the SCHT sequences surpass UCHT and WHT sequences in the asynchronous multicarrier underwater acoustic communications system over Rayleigh fading channels.
引用
收藏
页码：38 / 42
页数：5
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