An Ultra-Low Power and Flexible Acoustic Modem Design to Develop Energy-Efficient Underwater Sensor Networks

被引：44

作者：

Sanchez, Antonio ^{[1
]}

Blanc, Sara ^{[1
]}

Yuste, Pedro ^{[1
]}

Perles, Angel ^{[1
]}

Jose Serrano, Juan ^{[1
]}

机构：

[1] Univ Politecn Valencia, Inst ITACA, Camino Vera S-N, Valencia 46022, Spain

来源：

SENSORS | 2012年 / 12卷 / 06期

关键词：

underwater sensor networks; wireless sensor networks; acoustic modems; wake-up; underwater MAC; COMMUNICATION;

D O I：

10.3390/s120606837

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

This paper is focused on the description of the physical layer of a new acoustic modem called ITACA. The modem architecture includes as a major novelty an ultra-low power asynchronous wake-up system implementation for underwater acoustic transmission that is based on a low-cost off-the-shelf RFID peripheral integrated circuit. This feature enables a reduced power dissipation of 10 mu W in stand-by mode and registers very low power values during reception and transmission. The modem also incorporates clear channel assessment (CCA) to support CSMA-based medium access control (MAC) layer protocols. The design is part of a compact platform for a long-life short/medium range underwater wireless sensor network.

引用

页码：6837 / 6856

页数：20

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