| 水下光无线传感器网络的连接性分析与定位技术 |
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| 引用本文： | 向劲松,胡东洋,李长萍.水下光无线传感器网络的连接性分析与定位技术[J].光通信技术,2021,45(4):1-6. |
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| 作者姓名： | 向劲松 胡东洋 李长萍 |
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| 作者单位： | 重庆邮电大学通信与信息工程学院,重庆400065 |
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| 基金项目： | 国家自然科学基金(61571072)资助。 |
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| 摘 要： | 针对水下光无线传感器网络(UOWSN)节点的传输范围受限和间歇性连接的问题,利用多跳通信扩大传输范围来增强网络连接性,提出一种网络节点定位算法.首先,将UOWSN建模为三维(3D)随机缩放模型图,并根据网络节点数、通信范围以及光发散角推导了该模型下网络节点的连接性概率表达式;然后,利用接收信号强度(RSS)定位算法修正...
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| 关 键 词： | 水下光无线传感器网络 网络连接性 距离矢量跳数算法 接收信号强度算法 节点定位 |
Connectivity analysis and location technology of underwater optical wireless sensor networks |
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| XIANG Jingsong,HU Dongyang,LI Changping.Connectivity analysis and location technology of underwater optical wireless sensor networks[J].Optical Communication Technology,2021,45(4):1-6. |
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| Authors: | XIANG Jingsong HU Dongyang LI Changping |
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| Affiliation: | (College of Communication and Information Engineering,Chongqing University of Posts and Telecommunications,Chongqing 400065,China) |
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| Abstract: | Aiming at the problem of limited transmission range and intermittent connection of nodes in underwater optical wireless sensor network(UOWSN),a network node localization algorithm is proposed by using multi-hop communication to expand the transmission range to enhance network connectivity.Firstly,the UOWSN is modeled as a three-dimensional(3D)random scaling model graph,and the connectivity probability expression of the network nodes under the model is derived according to the number of network nodes,communication range and optical divergence angle.Then,the received signal strength(RSS)location algorithm modified distance vector hop(DV-Hop)localization algorithm is used to solve the localization problem of network nodes,and compared with the existing schemes.The simulation results show that the performance of the proposed localization algorithm is significantly better than the standard DV-Hop algorithm and Hybrid DV-Hop algorithm. |
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| Keywords: | underwater optical wireless sensor network network connectivity distance vector hop algorithm received signal strength algorithm node location |
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