UWA Interference Analysis for Cognitive Access

被引：0

作者：

Biagi, Mauro ^{[1
]}

Rinauro, Stefano ^{[1
]}

Cusani, Roberto ^{[1
]}

机构：

[1] Univ Roma La Sapienza, Dept Informat Elect & Telecommun DIET Engn, I-00184 Rome, Italy

来源：

2013 MTS/IEEE OCEANS - BERGEN | 2013年

关键词：

Underwater; Cognitive; Wigner-Ville; Acoustics; Sources; ACQUISITION;

D O I：

暂无

中图分类号：

TP301 [理论、方法];

学科分类号：

081202 ;

摘要：

Cognitive access is growing in importance in radio frequency wireless applications for occupying spectrum holes leaved free by licensed and unlicensed primary services. Recently the cognitive paradigm involved underwater communications aspects since this propagation scenario is, generally, rich of acoustic sources. This justifies the curiosity of the scientific community to investigate the possibility of using some of the concept borrowed by the cognitive paradigm. Specifically, we consider an underwater active sensor network where each cognitive node applies a Wigner-Ville image processing based pattern analysis procedure not only for evaluating the presence of interference but also its nature. In fact, if the source of interference is a network node, coexistence issues should be taken into account, while, when the interference source is external (mammals, bubbles or ship engines), in principle the transmission is possible in the interfered bands, provided the presence of the interference does not affect the overall transmission quality.

引用

页数：5

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