一种新的HybridUnderwater光声网络的解调方法
A Novel Initialization Method for HybridUnderwater Optical Acoustic Networks
摘要：
为了满足水下场景对高数据率和可靠传输的需求，需要结合水下终端的特点和关键需求，构建一种高效的混合水下光声网络（UWOAN）结构。在水下节点（UWOAN）和基站（BS）之间配置光上行链路和声下行链路，其中光束向BS传输高数据率业务，而声波携带控制信息实现网络管理。在水下环境中，由于GPS服务的缺乏和设备有效载荷的限制，UWOAN网络初始化问题是一个具有挑战性的任务。为此，采用声波进行节点定位，提出了一种新的网络初始化方法，包括超声波网络的识别、发现、定位以及分解，并通过数值仿真验证了该初始化方法的有效性.
英文摘要：
To satisfy the high data rate requirement andreliable transmission demands in underwater scenarios, it isdesirable to construct an efficient hybrid underwater opticalacoustic network (UWOAN) architecture by considering the keyfeatures and critical needs of underwater terminals. In UWOANs,optical uplinks and acoustic downlinks are configured betweenunderwater nodes (UWNs) and the base station (BS), wherethe optical beam transmits the high data rate traffic to theBS, while the acoustic waves carry the control information torealize the network management. In this paper, we focus onsolving the network initializing problem in UWOANs, which isa challenging task due to the lack of GPS service and limiteddevice payload in underwater environments. To this end, weleverage acoustic waves for node localization and propose anovel network initialization method, which consists of UWNidentification, discovery, localization, as well as decomposition.Numerical simulations are also conducted to verify the proposedinitialization method.
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