Differential orthogonal frequency division multiplexing communication in water pipeline channels

被引：4

作者：

Jing, Liwen ^{[1
]}

Wang, Mengdan ^{[1
]}

Lu, Yu ^{[1
]}

Stojanovic, Milica ^{[2
]}

Murch, Ross ^{[3
]}

机构：

[1] Shenzhen Technol Univ, Coll Big Data & Internet, 3002 Lantian Rd, Shenzhen 518118, Peoples R China

[2] Northeastern Univ, Dept Elect & Comp Engn, 360 Huntington Ave, Boston, MA 02115 USA

[3] Hong Kong Univ Sci & Technol, Dept Elect & Comp Engn, Kowloon, Clear Water Bay, Hong Kong 999077, Peoples R China

来源：

JOURNAL OF THE ACOUSTICAL SOCIETY OF AMERICA | 2020年 / 148卷 / 02期

关键词：

OFDM;

D O I：

10.1121/10.0001677

中图分类号：

O42 [声学];

学科分类号：

070206 ; 082403 ;

摘要：

The problem of information transmission through water pipelines is addressed and a class of methods based on differentially encoded orthogonal frequency division multiplexing (OFDM) is proposed. Specifically, two methods are investigated; one based on conventional differential encoding with an estimation of the average time of arrival and another based on double encoding. Results show that the first approach improves performance in the low signal to noise ratio (SNR) region, while the second is better suited at high SNR. Adopting these techniques closes the performance gap between differential OFDM systems and coherent OFDM systems while retaining the benefits of computational simplicity.

引用

页码：EL130 / EL134

页数：5

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