Gps-Less Localization Protocol For Underwater Acoustic Networks |
| 水声通信网络的GPS定位协议 注：没有中文版本，只有英文版本 |
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| Abstract:
| The problem of underwater positioning is increasingly crucial due to the emerging importance of sub-sea activities. Knowledge of node location is essential for many applications for which sensor networks can be used. At the surface, positioning problems have been resolved by the extended use of GPS, which is straightforward and effective. Unfortunately, using GPS in the sub-sea environment is impossible and positioning requires the use of special systems. One of the major challenges in the underwater acoustic networks (UANs) area of research is the development of a networking protocol that can cope with the management of a dynamic sub-sea network. We propose a scheme to perform node discovery, using only one seed node (primary seed) in a known position. The discovery protocol can be divided into two parts: First, building up the relative co-ordinate system. Second, involving more remote nodes becoming seed nodes for further discoveries. Four different algorithms have been investigated; (i) Farthest/Farthest Algorithm, (ii) Farthest/Nearest Algorithm, (iii) Nearest/Farthest Algorithm and (iv) Nearest/Nearest Algorithm. We investigated the performances of random network topologies. Different locations of primary seed node were exercised and statistics for node discovery will be reported. |
| 翻译后摘要:
| 水下定位的问题，是由于新兴的海底活动的重要性日益重要的。对于许多应用程序可以使用传感器网络节点位置的知识是至关重要的。从表面上看，问题已经解决了，这是直接和有效的延长使用的GPS定位。不幸的是，使用GPS在海底环境中是不可能的，定位需要使用特殊系统。的水下声波网络（UANs）的研究领域面临的主要挑战之一是发展的网络协议，可以应付一个动态的海底网络的管理。我们提出了一个计划，执行节点发现一个已知的位置，只使用一个种子节点（初级种子）。发现协议可分为两部分：首先，建立的相对坐标系统。其次，涉及多个远程节点成为种子节点为进一步的发现。四种不同的算法进行了研究（I）最远/最远的算法的，（二）最远的/最近的算法，（三）最近/最远的算法及（iv）最近/附近的算法的。我们研究了随机网络拓扑结构的性能。行使不同位置的主要种子节点和节点发现的统计信息将被报告。 |
| Author:
| Othman, A.K. |
| Author Unit:
| Dept. of Electron. Eng., Univ. Malaysia Sarawak (UNIMAS), Kota Samarahan |
| Year:
| 2008 |
| Source:
| Wireless and Optical Communications Networks, 2008. WOCN '08. 5th IFIP International Conference |
| Volume-OnPage:
| 1 |
| Publication Date:
| 5-7 May 2008 |
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