2017 IEEE Pacific Rim Conference on Communications, Computers and Signal Processing (PACRIM)最新文献

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A new electromagnetic jamming system for unmanned aerial vehicles 一种新型无人机电磁干扰系统
Huaifeng Zhang, Hao Zhang, Xing Liu, T. Gulliver
{"title":"A new electromagnetic jamming system for unmanned aerial vehicles","authors":"Huaifeng Zhang, Hao Zhang, Xing Liu, T. Gulliver","doi":"10.1109/PACRIM.2017.8121921","DOIUrl":"https://doi.org/10.1109/PACRIM.2017.8121921","url":null,"abstract":"In this paper, a new electromagnetic jamming system (EJS) is presented to interfere with the signals of unmanned aerial vehicles (UAVs). In particular, the remote control and global positioning system (GPS) signals required for UAV flight are jammed by the EJS which leads to a loss of UAV control. A saw tooth wave is employed and the bandwidth and center frequency can be adjusted to satisfy different requirements. To evaluate the performance of the system, several experiments were conducted in an outdoor environment. The results obtained show that the system is robust and practical.","PeriodicalId":308087,"journal":{"name":"2017 IEEE Pacific Rim Conference on Communications, Computers and Signal Processing (PACRIM)","volume":"28 25 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123558930","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: 5
A trace-driven analytical model with less profiling overhead for DRAM access latencies 跟踪驱动的分析模型,具有较少的DRAM访问延迟分析开销
Fengying Sun, Kecheng Ji, Ming Ling, Longxing Shi
{"title":"A trace-driven analytical model with less profiling overhead for DRAM access latencies","authors":"Fengying Sun, Kecheng Ji, Ming Ling, Longxing Shi","doi":"10.1109/PACRIM.2017.8121883","DOIUrl":"https://doi.org/10.1109/PACRIM.2017.8121883","url":null,"abstract":"Due to the painful time consuming of cycle-accurate simulations, analytical modeling of DRAM systems has been becoming an effective alternative to give guidance for architecture optimizations. Some analytical models forecast the DRAM performance by obtaining the proportions of different DRAM command appearances from memory trace profiling. However, existing works require too many cases composed by different DRAM commands which need lots of profiling and consume much of time. On the flip side, other methods assume that the arrival process of memory requests to the DRAM satisfies the Poisson distribution and estimate the DRAM performance based on the queueing theory. The assumption, however, will be shown not accurate by our experiments in this paper. Not surprisingly, the performance forecasting based on these models is not accurate, not to mention the cases that some researchers assume the DDR access latency as an empirical constant value. Hence, in this paper, we propose a trace-driven analytical model to quickly and precisely estimate the DDR access latency. Compared to prior studies, our model requires much less time overhead without sacrificing the forecasting precision. 17 benchmarks are adopted for the accuracy evaluation of our model. Compared with the simulation results using Gem5 and DRAMSim2, the average accuracy of our model is higher than 93.31%, while the forecasting process can be sped up by x22 times contrast to cycle-accurate simulations.","PeriodicalId":308087,"journal":{"name":"2017 IEEE Pacific Rim Conference on Communications, Computers and Signal Processing (PACRIM)","volume":"34 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129969141","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: 1
Remote control of low cost devices using SNMP agents 使用SNMP代理远程控制低成本设备
Willian Tadeu Poloni, R. Becker, R. Balbinot
{"title":"Remote control of low cost devices using SNMP agents","authors":"Willian Tadeu Poloni, R. Becker, R. Balbinot","doi":"10.1109/PACRIM.2017.8121927","DOIUrl":"https://doi.org/10.1109/PACRIM.2017.8121927","url":null,"abstract":"This paper presents the implementation of an SNMP agent on an embedded LINUX operating system in low cost platforms with network interface, used to control devices without the capability to implement TCP/IP protocol. Three communication algorithms were evaluated with the devices in order to find a model in which the communication was efficient and the impact on processing, memory and energy consumption was minimum.","PeriodicalId":308087,"journal":{"name":"2017 IEEE Pacific Rim Conference on Communications, Computers and Signal Processing (PACRIM)","volume":"23 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127237298","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
Robot control and decision making through real-time sensors monitoring and analysis for industry 4.0 implementation on aerospace component manufacturing 通过实时传感器监测和分析实现机器人控制和决策,以实现工业4.0在航空航天部件制造中的应用
Tomi Wijaya, W. Caesarendra, Bobby K. Pappachan, T. Tjahjowidodo, A. Wee, M. I. Roslan
{"title":"Robot control and decision making through real-time sensors monitoring and analysis for industry 4.0 implementation on aerospace component manufacturing","authors":"Tomi Wijaya, W. Caesarendra, Bobby K. Pappachan, T. Tjahjowidodo, A. Wee, M. I. Roslan","doi":"10.1109/PACRIM.2017.8121928","DOIUrl":"https://doi.org/10.1109/PACRIM.2017.8121928","url":null,"abstract":"The industrial revolution has reached a new development cycle which uses the advantages of cyber world into the physical world of manufacturing, and called Industry 4.0. Cyber world offers Internet of Things which allows transmission and reception of data from and to anywhere on earth through Internet. In the current aerospace industry, the production of components has significant manual work involved. Meanwhile, the demand in quantity and quality of these components are increasing. In order to enhance manufacturing capability and solve this, this paper introduced a universal platform for real time sensors monitoring and analysis for Industry 4.0 implementation in aerospace industry. Our objective was to develop a universal platform that is reliable to be used in various analytical applications and investigate the supporting factors that has to be considered in applying such platform. To achieve this objective, the paper used easily available hardware which consists of ABB Robot, Wi-Fi Data Acquisition Systems (Wi-Fi DAQs), FPGA equipped CompactRIO, Wireless Access Point (WAP), sensors, and monitor. The system mentioned is made to trial for aerospace component manufacturing processes. The data acquired from the sensors is collected and transmitted by the Wi-Fi DAQs to the WAP. Consequently, the CompactRIO will collect the sensors data from the WAP and analyze them. The result will then be sent to the internet and also used to trigger necessary action for the ABB Robot based on predetermined decision making tables or resources. Ultimately, this application enables aerospace component manufacturers to enhance their capability to increase the product quality and manufacturing process safety while also reduce the manufacturing time required.","PeriodicalId":308087,"journal":{"name":"2017 IEEE Pacific Rim Conference on Communications, Computers and Signal Processing (PACRIM)","volume":"43 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131317616","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: 5
Deep learning for hydrophone big data 水听器大数据的深度学习
C. McQuay, F. Sattar, P. Driessen
{"title":"Deep learning for hydrophone big data","authors":"C. McQuay, F. Sattar, P. Driessen","doi":"10.1109/PACRIM.2017.8121894","DOIUrl":"https://doi.org/10.1109/PACRIM.2017.8121894","url":null,"abstract":"This paper presents an efficient deep learning framework for long-term monitoring of acoustic events from hydrophone big data. The large-scale noisy ONC (Ocean Networks Canada) data may contain rare acoustic events, which can be automatically recognized by utilizing a deep convolutional neural network. Few works have been reported in the area of deep learning for the recognition of different kinds of marine mammal calls which however is crucial for many applications such as marine navigation. In this proposed scheme, deep learning feature sets are adopted and processed by a support vector machione (SVM) classifier. The proposed method is tested with 28685 minutes of data, spanning a single year with 5573 whale calls/acoustic events, and using a human operator's annotations. The experimental results show that the average accuracy rate of recognition using deep feature learning are 98.69% (two-class) and 94.48% (multi-class), respectively, for the proposed recognition scheme, which outperforms the MFCC-based method.","PeriodicalId":308087,"journal":{"name":"2017 IEEE Pacific Rim Conference on Communications, Computers and Signal Processing (PACRIM)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129319887","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: 7
An improved cooperative jamming strategy for PHY security in a multi-hop communications system 一种改进的多跳通信系统物理层安全协同干扰策略
Conghui Cao, Hao Zhang, Tingting Lv, T. Gulliver
{"title":"An improved cooperative jamming strategy for PHY security in a multi-hop communications system","authors":"Conghui Cao, Hao Zhang, Tingting Lv, T. Gulliver","doi":"10.1109/PACRIM.2017.8121886","DOIUrl":"https://doi.org/10.1109/PACRIM.2017.8121886","url":null,"abstract":"In this paper, an improved cooperative jamming (CJ) strategy is developed for physical layer (PHY) security in a multi-hop wireless communication system which employs beamforming in the last hop. Users are assigned to independent groups based on the merger-and-split rule in a coalition game. The secrecy capacity for a valid coalition is a non-convex optimization problem which cannot easily be solved. Therefore, restrictions are added to transform this into a convex problem, and this is solved to obtain a suboptimal closed-form solution for the secrecy capacity. Simulation results are presented which show that the proposed strategy outperforms other methods such as non-cooperation, relay cooperation, and previous CJ approaches in terms of the secrecy capacity. Further, it is shown that the proposed multi-hop solution is suitable for long distance communication systems.","PeriodicalId":308087,"journal":{"name":"2017 IEEE Pacific Rim Conference on Communications, Computers and Signal Processing (PACRIM)","volume":"58 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133870993","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: 1
Assessing QoS consistency in cloud-based software-as-a-service deployments 评估基于云的软件即服务部署中的QoS一致性
Robert O'Dywer, S. Neville
{"title":"Assessing QoS consistency in cloud-based software-as-a-service deployments","authors":"Robert O'Dywer, S. Neville","doi":"10.1109/PACRIM.2017.8121889","DOIUrl":"https://doi.org/10.1109/PACRIM.2017.8121889","url":null,"abstract":"Cloud-deployed Software-as-a-Service (SaaS) solutions have become a common global software deployment regime. For SaaS providers success is increasingly tied to social media feedback, customer reviews, and referrals. As such, ensuring sufficiently few users experience low (or poor) quality of service (QoS) levels has become an important concern. Cloud-based SaaS QoS is primarily driven by: i) the incoming workload's pace and complexity, ii) the SaaS system's design and implementation, and iii) the cloud platform's own induced QoS variabilities. Of these, SaaS software engineers generally have the least control over (iii), making it important to properly understand and quantify. This work empirically assesses (iii) by applying statistically rigorous QoS testing to an industry-held cloud-deployed SaaS system. Identical SaaS system instances are instantiated into the same commercial cloud platform and exercised via identical synthetic in-coming workloads. The resulting run-time QoS statistical distributions of each SaaS instance are then pairwise compared via distribution-free goodness-of-fit tests. A high degree of (iii) induced statistical dissimilarity is observed, suggesting significant care is required when seeking to make QoS envelope predictions from per-instance observed SaaS QoS results. This also suggests deeper more formal efforts may be required to better understand and characterize the cloud-induced SaaS QoS consistency issues that arise within modern SaaS deployments.","PeriodicalId":308087,"journal":{"name":"2017 IEEE Pacific Rim Conference on Communications, Computers and Signal Processing (PACRIM)","volume":"97 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114584563","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: 1
Multipath TCP path schedulers for streaming video 流视频的多路径TCP路径调度器
Ryota Matsufuji, D. Cavendish, K. Kumazoe, Daiki Nobayashi, T. Ikenaga
{"title":"Multipath TCP path schedulers for streaming video","authors":"Ryota Matsufuji, D. Cavendish, K. Kumazoe, Daiki Nobayashi, T. Ikenaga","doi":"10.1109/PACRIM.2017.8121920","DOIUrl":"https://doi.org/10.1109/PACRIM.2017.8121920","url":null,"abstract":"Modern internet traffic is heavily composed of some form of video communication. In addition, video streaming is slowly replacing regular phone connections. Given that most video transport utilizes Video over Hypertext Transfer Protocol/Transmission Control Protocol (HTTP/TCP), it is important to understand TCP performance in transporting video streams. Recently, multipath transport protocols have allowed video streaming over multiple paths to become a reality. In this paper, we investigate packet scheduling disciplines for injecting video stream packets into multiple paths at the video server. We study video streaming performance when subjected to these schedulers in conjunction with various TCP variants. We utilize network performance measures, as well as video quality metrics, to characterize the performance and interactions between network and application layers of video streams for various network scenarios.","PeriodicalId":308087,"journal":{"name":"2017 IEEE Pacific Rim Conference on Communications, Computers and Signal Processing (PACRIM)","volume":"29 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129797107","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
Improving the performance of JVM startup using the shared class cache 使用共享类缓存提高JVM启动的性能
Dev Bhattacharya, K. Kent, E. Aubanel, Daniel Heidinga, Peter Shipton, Aleksandar Micic
{"title":"Improving the performance of JVM startup using the shared class cache","authors":"Dev Bhattacharya, K. Kent, E. Aubanel, Daniel Heidinga, Peter Shipton, Aleksandar Micic","doi":"10.1109/PACRIM.2017.8121911","DOIUrl":"https://doi.org/10.1109/PACRIM.2017.8121911","url":null,"abstract":"The Java Virtual Machine (JVM) is responsible for executing all Java programs, so performance improvements in the JVM, especially pertaining to the startup of an application, have wide-ranging impact. This paper presents a solution that reduces the bottleneck by analyzing and optimizing various data structures inside the JVM before a Java application starts executing. The shared class cache, which was added to IBM's J9 VM to share classes and other immutable data across multiple runs of a JVM, is expanded to include additional data. Runtime improvements of between 15% and 20% were achieved in standard benchmark programs.","PeriodicalId":308087,"journal":{"name":"2017 IEEE Pacific Rim Conference on Communications, Computers and Signal Processing (PACRIM)","volume":"65 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126632793","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
An improved incremental/decremental delaunay mesh-generation strategy for image representation 一种改进的图像表示的增量/递减延迟网格生成策略
Badr Eddine El Marzouki, M. Adams
{"title":"An improved incremental/decremental delaunay mesh-generation strategy for image representation","authors":"Badr Eddine El Marzouki, M. Adams","doi":"10.1109/PACRIM.2017.8121887","DOIUrl":"https://doi.org/10.1109/PACRIM.2017.8121887","url":null,"abstract":"Two highly effective content-adaptive methods for generating Delaunay mesh models of digital images, known as HD1 and HD2, are proposed. The methods are derived from the incremental/decremental mesh-generation framework of Adams by using a non-trivial initial mesh and an improved growth schedule. The higher complexity IID2 method is shown to yield mesh models of superior reconstruction quality compared to competing methods, both in terms of squared error and subjective quality, while the lower complexity IID1 method trades mesh quality in return for a decrease in computational cost.","PeriodicalId":308087,"journal":{"name":"2017 IEEE Pacific Rim Conference on Communications, Computers and Signal Processing (PACRIM)","volume":"8 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130895966","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
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