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设计超低功耗、灵活的声学调制解调器，以开发节能型水下传感器网络。

An ultra-low power and flexible acoustic modem design to develop energy-efficient underwater sensor networks.

机构信息

Instituto ITACA, Universitat Politècnica de València, Valencia, Spain.

出版信息

Sensors (Basel). 2012;12(6):6837-56. doi: 10.3390/s120606837. Epub 2012 May 25.

DOI:10.3390/s120606837
PMID:22969324
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC3435954/
Abstract

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 μW 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.

摘要

本文专注于描述一种名为 ITACA 的新型水声调制解调器的物理层。该调制解调器架构的一大创新之处在于，它实现了一种超低成本、基于现成 RFID 外围集成电路的水下声传输异步唤醒系统。该特性使待机模式下的功耗降低到 10 μW，并在接收和传输过程中实现极低的功耗值。该调制解调器还集成了清晰信道评估 (CCA) 功能，以支持基于 CSMA 的介质访问控制 (MAC) 层协议。该设计是一种紧凑平台的一部分，用于实现长寿命短/中程水下无线传感器网络。

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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6de2/3435954/a349eb1d72d3/sensors-12-06837f8.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6de2/3435954/bb93611ccc0e/sensors-12-06837f10.jpg
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