发布求助
文献互助 智能选刊 最新文献

Proceedings of the 12th International Conference on Underwater Networks & Systems最新文献

筛选
英文 中文
A Compact Magneto-Inductive Coil Antenna Design for Underwater Communications 一种用于水下通信的小型磁感线圈天线设计
Proceedings of the 12th International Conference on Underwater Networks & Systems Pub Date : 2017-11-06 DOI: 10.1145/3148675.3148713
N. Gaoding, Jean-François Bousquet
{"title":"A Compact Magneto-Inductive Coil Antenna Design for Underwater Communications","authors":"N. Gaoding, Jean-François Bousquet","doi":"10.1145/3148675.3148713","DOIUrl":"https://doi.org/10.1145/3148675.3148713","url":null,"abstract":"Magnetic induction (MI) has shown a great potential for underwater communications due to its immunity to acoustic noise and low latency. However, the transmission distance of MI is limited since the magnetic field attenuates very fast in the near field. In this work, a magneto inductive antenna design is studied to achieve two modes of operation: 1) a static quasi omni-directional magnetic coupling; 2) a dynamic rotation of magnetic coupling. A design procedure is described to define the strength of the magnetic field, bandwidth (BW) and the path loss (PL) of the underwater communication link. Both modes are simulated and the corresponding antenna configurations are described. The proposed antenna has three coils separated between each other by 120 degrees. The coils have a radius of 5 cm and a length of 8 cm. The simulation results illustrate how this design can provide an omni-directional magnetic coupling and a more directional performance in the rotation mode. In the rotation mode, simulations also confirmed that the magnetic field can be controllable by changing the phases of input currents.","PeriodicalId":215853,"journal":{"name":"Proceedings of the 12th International Conference on Underwater Networks & Systems","volume":"13 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-11-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134321431","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 6
ECO-Friendly Underwater Acoustic Communications: Channel Availability Prediction for Avoiding Interfering Marine Mammals 生态友好型水声通信:避免干扰海洋哺乳动物的信道可用性预测
Proceedings of the 12th International Conference on Underwater Networks & Systems Pub Date : 2017-11-06 DOI: 10.1145/3148675.3148718
Wei Cheng, Yu Luo, Zheng Peng, Jun-hong Cui
{"title":"ECO-Friendly Underwater Acoustic Communications: Channel Availability Prediction for Avoiding Interfering Marine Mammals","authors":"Wei Cheng, Yu Luo, Zheng Peng, Jun-hong Cui","doi":"10.1145/3148675.3148718","DOIUrl":"https://doi.org/10.1145/3148675.3148718","url":null,"abstract":"This paper introduces the idea of ECO-friendly underwater acoustic communications via utilizing prediction techniques. The ultimate goal of the research is to avoid the interference caused by man-made noise to marine mammals. Specifically, we first analyze the necessity and the advantage of prediction in underwater environments. Then, an ECO-friendly communications framework is proposed with an introduction to the applicable prediction techniques. The performance evaluation metrics and the challenges of implementing ECO-friendly communications are elaborated as well.","PeriodicalId":215853,"journal":{"name":"Proceedings of the 12th International Conference on Underwater Networks & Systems","volume":"22 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-11-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121935482","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
Reliable Acoustic Link using Non-coherent Turbo-coded Frequency Shift Keying 使用非相干涡轮编码频移键控的可靠声学链路
Proceedings of the 12th International Conference on Underwater Networks & Systems Pub Date : 2017-11-06 DOI: 10.1145/3148675.3157060
Andrew Dobbin, Jean-François Bousquet
{"title":"Reliable Acoustic Link using Non-coherent Turbo-coded Frequency Shift Keying","authors":"Andrew Dobbin, Jean-François Bousquet","doi":"10.1145/3148675.3157060","DOIUrl":"https://doi.org/10.1145/3148675.3157060","url":null,"abstract":"Low-data rate, non-coherent algorithms were tested at 10 km distances to measure reliability and robustness when combined with convolutional turbo encoding techniques. The system was constrained to hardware specifications limiting bandwidth at low frequencies. Simulations were used to verify the performance of varying algorithms in Bellhop modeled channel impulse responses. The algorithms were tested at sea to compare simulation capabilities with real environmental characteristics. The objectives: (1) define a modulation scheme for robust communication in underwater environments, (2) simulate its performance in multipath and Doppler rich environments, and (3) test performance of modulation scheme in actual ocean environment.","PeriodicalId":215853,"journal":{"name":"Proceedings of the 12th International Conference on Underwater Networks & Systems","volume":"8 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-11-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126951427","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 4
Object Tracking Using Modified Lossy Extended Kalman Filter 基于改进有损扩展卡尔曼滤波的目标跟踪
Proceedings of the 12th International Conference on Underwater Networks & Systems Pub Date : 2017-11-06 DOI: 10.1145/3148675.3152758
Mohammadreza Alimadadi, M. Stojanovic, P. Closas
{"title":"Object Tracking Using Modified Lossy Extended Kalman Filter","authors":"Mohammadreza Alimadadi, M. Stojanovic, P. Closas","doi":"10.1145/3148675.3152758","DOIUrl":"https://doi.org/10.1145/3148675.3152758","url":null,"abstract":"We address the problem of object tracking in an underwater acoustic sensor network in which distributed nodes measure the strength of field generated by moving objects, encode the measurements into digital data packets, and transmit the packets to a fusion center in a random access manner. We allow for imperfect communication links, where information packets may be lost due to noise and collisions. The packets that are received correctly are used to estimate the objects' trajectories by employing an extended Kalman Filter, where provisions are made to accommodate a randomly changing number of obseravtions in each iteration. An adaptive rate control scheme is additionally applied to instruct the sensor nodes on how to adjust their transmission rate so as to improve the location estimation accuracy and the energy efficiency of the system. By focusing explicitly on the objects' locations, rather than working with a pre-specified grid of potential locations, we resolve the spatial quantization issues associated with sparse identification methods. Finally, we extend the method to address the possibility of objects entering and departing the observation area, thus improving the scalability of the system and relaxing the requirement for accurate knowledge of the objects' initial locations. Performance is analyzed in terms of the mean-squared localization error and the trade-offs imposed by the limited communication bandwidth.","PeriodicalId":215853,"journal":{"name":"Proceedings of the 12th International Conference on Underwater Networks & Systems","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-11-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130383974","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
Learning to Communicate Underwater: An Exploration of Limited Mobility Agents 学习水下交流:有限移动代理的探索
Proceedings of the 12th International Conference on Underwater Networks & Systems Pub Date : 2017-11-06 DOI: 10.1145/3148675.3148709
S. Porretta, M. Barbeau, Joaquín García, E. Kranakis
{"title":"Learning to Communicate Underwater: An Exploration of Limited Mobility Agents","authors":"S. Porretta, M. Barbeau, Joaquín García, E. Kranakis","doi":"10.1145/3148675.3148709","DOIUrl":"https://doi.org/10.1145/3148675.3148709","url":null,"abstract":"Underwater environmental parameters vary with time and can negatively impact the quality of communication. The adaptive control system suggested attempts to improve communication in underwater networks where environmental conditions are stochastic and time-variant. Adaptive depth control is explored in limited mobility underwater acoustic sensor networks. The adaptive control seeks to leverage the acoustic properties along the thermocline sensors anchored to the seabed in order to improve link stability in underwater networks. The sensor is allowed two directions of movement, either surface or dive, in order to avoid physical phenomena that cause faults. The algorithm presented is capable of adapting to the optimal performance depth in unimodal stochastic stationary and non-stationary environments.","PeriodicalId":215853,"journal":{"name":"Proceedings of the 12th International Conference on Underwater Networks & Systems","volume":"9 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-11-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126518108","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Proceedings of the 12th International Conference on Underwater Networks & Systems 第十二届水下网络与系统国际会议论文集
Proceedings of the 12th International Conference on Underwater Networks & Systems Pub Date : 1900-01-01 DOI: 10.1145/3148675
{"title":"Proceedings of the 12th International Conference on Underwater Networks & Systems","authors":"","doi":"10.1145/3148675","DOIUrl":"https://doi.org/10.1145/3148675","url":null,"abstract":"","PeriodicalId":215853,"journal":{"name":"Proceedings of the 12th International Conference on Underwater Networks & Systems","volume":"46 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116580431","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
首页 上一页
0
×
引用
GB/T 7714-2015
复制
MLA
复制
APA
复制
导出至
BibTeX EndNote RefMan NoteFirst NoteExpress
×
提示
您的信息不完整，为了账户安全，请先补充。
现在去补充
×
提示
您因"违规操作"
具体请查看互助需知
我知道了
×
提示
现在去查看 取消
×
提示
确定
请完成安全验证×
相关产品
×
本文献相关产品
联系我们：info@booksci.cn Book学术提供免费学术资源搜索服务，方便国内外学者检索中英文文献。致力于提供最便捷和优质的服务体验。 Copyright © 2023 布克学术 All rights reserved.
京ICP备2023020795号-1
ghs 京公网安备 11010802042870号
Book学术文献互助
Book学术文献互助群
群 号：481959085
Book学术官方微信