Covert Underwater Communications with Multiband OFDM

被引：0

作者：

Leus, Geert ^{[1
]}

van Walree, Paul ^{[2
]}

Boschma, Jeroen ^{[2
,3
]}

Fanciullacci, Claudio ^{[3
]}

Gerritsen, Hans ^{[4
]}

Tusoni, Paolo ^{[5
]}

机构：

[1] Delft Univ Technol, Mekelweg 4, NL-2628 CD Delft, Netherlands

[2] TNO, NL-2509 JG The Hague, Netherlands

[3] Teleport Eutelsat, F-78660 Prunay en Yveline, France

[4] Moog FCS, NL-2153 PJ Nieuw Vennep, Netherlands

[5] Value Team, I-00144 Rome, Italy

来源：

OCEANS 2008, VOLS 1-4 | 2008年

关键词：

D O I：

暂无

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：

We consider the use of orthogonal frequency division multiplexing (OFDM) for covert acoustic telemetry. To reduce the complexity of the receiver we use a multiband approach, modulating each band by OFDM. The system has been tested at sea in a highly time-varying environment. A total bandwidth of 3.6 kHz was divided in 16 subbands. Data rates of 4.2 and 78 bit/s were adopted over ranges up to 52 km. At 78 bit/s, communication is successful at SNRs down to -8 dB, whereas the lower rate allows data transfer at SNRs down to at least -16 dB.

引用

页码：391 / +

页数：2

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