多節(jié)點海底信息網(wǎng)的研究與設計
[Abstract]:With the development of science and technology, various undersea transmission networks are developing towards the direction of large capacity, long distance and high compatibility, and it is a mainstream trend to establish a unified undersea information network transport platform. The submarine information network needs to include all the functions of the existing submarine optical cable system, submarine observation network system and submarine alert network system. It is an important way to realize the integrated management of submarine communication. Submarine information network is a kind of realization of underwater multi-node system, which includes three aspects: structure design of submarine information network, design of underwater node and design of function subsystem. This paper first introduces the development of the existing submarine network, including the key technologies and application scenarios of the specific system, analyzes the necessity of the construction of the submarine information network, and studies and designs the architecture of the submarine information network. The advantages and disadvantages of various topologies are discussed from the perspective of the overall network topology, and the network structure and realization of submarine optical cable system and submarine observation network system are analyzed in detail, which can be used for reference for the subsequent design. Then according to the various aspects of the submarine information network technical realization, the corresponding feasibility scheme is given. Finally, according to the characteristics of three different service networks, the operational process of submarine information network is expounded. Secondly, the information system frame of the key underwater node connection box in the submarine information network is introduced. Based on the principle of modularization design, the modular design scheme of the connection box is given, and each function module is explained in detail. Finally, from the point of view of line monitoring subsystem in submarine information network, the realization of line detection system based on OTDR technology is studied in detail, and the principle of COTDR fiber distributed sensing is combined. The system architecture and feasible implementation scheme of the line monitoring system are given.
【學位授予單位】:武漢郵電科學研究院
【學位級別】:碩士
【學位授予年份】:2017
【分類號】:P715
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