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CoSiM-RPO：水下声无线传感器网络中可靠和持久操作的具有移动Sink 的协作路由

CoSiM-RPO: Cooperative Routing with Sink Mobility for Reliable and Persistent Operation in Underwater Acoustic Wireless Sensor Networks.

机构信息

Department of Electronics, Quaid-i-Azam University Islamabad, Islamabad 45320, Pakistan.

Department of Electronics, University of Peshawar, Peshawar 25120, Pakistan.

出版信息

Sensors (Basel). 2019 Mar 4;19(5):1101. doi: 10.3390/s19051101.

DOI:10.3390/s19051101
PMID:30836710
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC6427485/
Abstract

An efficient algorithm for the persistence operation of data routing is crucial due to the uniqueness and challenges of the aqueous medium of the underwater acoustic wireless sensor networks (UA-WSNs). The existing multi-hop algorithms have a high energy cost, data loss, and less stability due to many forwarders for a single-packet delivery. In order to tackle these constraints and limitations, two algorithms using sink mobility and cooperative technique for UA-WSNs are devised. The first one is sink mobility for reliable and persistence operation (SiM-RPO) in UA-WSNs, and the second is the enhanced version of the SiM-RPO named CoSiM-RPO, which utilizes the cooperative technique for better exchanging of the information and minimizes data loss probability. To cover all of the network through mobile sinks (MSs), the division of the network into small portions is accomplished. The path pattern is determined for MSs in a manner to receive data even from a single node in the network. The MSs pick the data directly from the nodes and check them for the errors. When erroneous data are received at the MS, then the relay cooperates to receive correct data. The proposed algorithm boosts the network lifespan, throughput, delay, and stability more than the existing counterpart schemes.

摘要

由于水下声无线传感器网络 (UA-WSN) 的水介质的独特性和挑战性，数据路由持久操作的高效算法至关重要。现有的多跳算法由于单个数据包传输的多个转发器，具有较高的能量成本、数据丢失和较低的稳定性。为了解决这些约束和限制，针对 UA-WSN 设计了两种使用接收器移动性和协作技术的算法。第一个是用于 UA-WSN 中可靠和持久操作的接收器移动性（SiM-RPO），第二个是 SiM-RPO 的增强版本，称为 CoSiM-RPO，它利用协作技术更好地交换信息并最小化数据丢失概率。为了通过移动接收器 (MS) 覆盖整个网络，将网络划分为小部分。以一种即使从网络中的单个节点也能接收数据的方式确定 MS 的路径模式。MS 直接从节点中选择数据并检查它们是否有错。当 MS 接收到错误数据时，中继会协作接收正确的数据。与现有方案相比，所提出的算法可显著提高网络寿命、吞吐量、延迟和稳定性。

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