Proceedings of the 12th International Conference on Underwater Networks & Systems最新文献_第3页

iSonar: Software-defined Underwater Acoustic Networking for Amphibious Smartphones iSonar:用于两栖智能手机的软件定义水声网络

Proceedings of the 12th International Conference on Underwater Networks & Systems Pub Date : 2017-11-06 DOI: 10.1145/3148675.3148710

Francesco Restuccia, Emrecan Demirors, T. Melodia

{"title":"iSonar: Software-defined Underwater Acoustic Networking for Amphibious Smartphones","authors":"Francesco Restuccia, Emrecan Demirors, T. Melodia","doi":"10.1145/3148675.3148710","DOIUrl":"https://doi.org/10.1145/3148675.3148710","url":null,"abstract":"Recent technological advances have brought to the end-user market smartphones that are able to remain fully-functional even when submerged under water. This capability will soon enable the commercialization of a plethora of exciting smartphone apps, including life-saving systems such as real-time monitoring of scuba divers breathing. On the other hand, it becomes paramount to empower smartphones with end-to-end underwater communication capabilities. In this paper, we propose iSonar, the first system implementing reliable software-defined acoustic networking between water-proof smartphones. Specifically, iSonar transforms off-the-shelf smartphones into ultrasonic software \"radios\" that implement an orthogonal frequency division multiplexing-based communication system to exchange data under water. To this end, iSonar sends and receives information through the AUX interface and by implementing a lightweight network stack entirely in software. We have implemented a fully-functional hardware/software prototype of iSonar on Android smartphones and off-the-shelf electronic equipment, and extensively evaluated its performance through several experiments in a tank testbed. Results show that iSonar is able to achieve packet error rate (PER) of 10-3, which is significant considering the low audio sampling rate and the strong multipath effect induced by the water tank environment.","PeriodicalId":215853,"journal":{"name":"Proceedings of the 12th International Conference on Underwater Networks & Systems","volume":"40 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":"131887334","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

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

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

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

引用次数: 0