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2020 Global Conference on Wireless and Optical Technologies (GCWOT)最新文献

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A Survey on Internet of Underwater Things: Perspective on Protocol Design for Routing 水下物联网研究综述:基于路由协议设计的视角
Pub Date : 2020-10-06 DOI: 10.1109/GCWOT49901.2020.9391628
Huma Hasan Rizvi, Rabia Noor Enam, S. Khan, Jawaid Akram
The recent class of internet of things (IoT) is the internet of underwater things and is consider as networks of smart interconnected underwater objects. IoUT is anticipated to facilitate various practical applications, such as underwater exploration, environmental monitoring, disaster prevention, military and others. With these areas of applications IoUT consider as prospective technologies towards developing smart cites globally and connecting not only cities but also connect oceans, stream and lake. To support the concept of IoUT, UWSn have become apparent or prominent network system. Majority of the researcher have deployed hierarchical and topological structure of terrestrial network to underwater sensor network. Underwater sensor network faces unique challenges like narrow bandwidth, propagation delay, difficulty to charge and low reliability and due to these challenges a separate hierarchical or topological mechanism is required. In order to be effective a designing of routing protocol is essential. The main aspect of this article is to analyze routing protocols in term of strength and weakness of routing operation and highlight issues of routing protocol.
最近一类物联网(IoT)是水下物联网,被认为是智能互联水下物体的网络。IoUT预计将促进各种实际应用,如水下勘探、环境监测、灾害预防、军事等。通过这些领域的应用,IoUT将其视为在全球范围内发展智慧城市的前瞻性技术,不仅可以连接城市,还可以连接海洋,河流和湖泊。为了支持IoUT的概念,UWSn已成为明显或突出的网络系统。大多数研究人员将地面网络的分层拓扑结构部署到水下传感器网络中。水下传感器网络面临着带宽窄、传播延迟、充电困难和可靠性低等独特挑战,因此需要单独的分层或拓扑机制。路由协议的设计是有效的。本文主要从路由操作的优缺点两方面对路由协议进行了分析,并突出了路由协议存在的问题。
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引用次数: 2
Inside-out Vision for Procedure Recognition in Dental Environment 内向外视觉在牙科环境下的程序识别
Pub Date : 2020-10-06 DOI: 10.1109/GCWOT49901.2020.9391594
Shaheena Noor, Humera Noor Minhas, Muhammad Imran Saleem, Vali Uddin, Najma Ismat
Smart homes and offices are becoming more and more common with the advances in computer vision research and technology. Identifying the human activities and scenarios are basic components of such systems. This is important not only for the eco-system to work independently, but also to allow robots to be able to assist humans. This is specially true in the more complicated medical setups, e.g. dentistry, where we need subtle cues e.g. eye motion to identify scenarios. We present a hierarchical model in this paper for robustly recognizing scenarios and procedures in a dental setup by using the objects seen in eye gaze trajectories like material and equipment used by the dentist, and symptoms of the patient. We utilize the fact that by identifying the objects viewed during an activity and linking them over time to create more complicated scenarios, the problem of scenario recognition can be hierarchically solved. We performed experiments on a dental dataset and showed that combining multiple parameters results in a better precision and accuracy compared to any of them individually. Our experiments show that the accuracy increased from 45.18% to 94.42% when we used a combination of parameters vs. a single one.
随着计算机视觉研究和技术的进步,智能家居和办公室变得越来越普遍。识别人类活动和情景是这类系统的基本组成部分。这不仅对生态系统的独立工作很重要,而且对让机器人能够协助人类也很重要。在更复杂的医疗设置中尤其如此,例如牙科,我们需要微妙的线索,例如眼球运动来识别场景。我们在本文中提出了一个层次模型,通过使用牙医使用的材料和设备以及患者的症状等眼睛注视轨迹中看到的物体,来稳健地识别牙科设置中的场景和程序。我们利用这样一个事实,即通过识别活动中查看的对象,并将它们随着时间的推移连接起来,以创建更复杂的场景,可以分层解决场景识别问题。我们在牙科数据集上进行了实验,结果表明,与单独使用任何参数相比,组合多个参数可以获得更好的精度和准确性。我们的实验表明,当我们使用组合参数比单一参数时,准确率从45.18%提高到94.42%。
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引用次数: 1
Conference Brochure 会议手册
Pub Date : 2020-10-06 DOI: 10.1109/gcwot49901.2020.9391629
G. Noonan
Conference Brochure
会议手册
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引用次数: 1
Linear Equalization Techniques for Underwater Acoustic OFDM Communication 水声OFDM通信的线性均衡技术
Pub Date : 2020-10-06 DOI: 10.1109/GCWOT49901.2020.9391624
Mohsin Murad, I. Tasadduq, P. Otero
Multicarrier acoustic communication has enabled wireless underwater transmission at higher data rates. Several multicarrier modulation systems have been explored in the past for data transmission. Orthogonal frequency division multiplexing (OFDM) fights-off inter-symbol-interference due to orthogonality of the carriers. However, it is susceptible to time variations which introduces inter-carrier-interference. Being double selective, the underwater acoustic (UWA) channel is both time and frequency variant. Time variations and multipath fading makes it a complex channel to estimate. In this paper, we explore linear frequency domain equalization techniques available for radio OFDM systems and compare their performance for a shallow underwater acoustic channel. The underwater channel model used is based on Rician shadowed distribution with Doppler shifts. We compare the performance of a linear equalizer with pilot estimated channel against a zero-forcing equalizer where the channel is assumed to be known. Results collected through Monte Carlo simulations show that for a 128-subcarrier OFDM system and a transmitter-receiver separation of 800 m, a gain of almost 7dB is obtained at a BER of 10−3 when a zero-forcing equalizer is used. Moreover, when the subcarriers are increased to 256, this gain almost doubles. In conclusion, the zero-forcing equalizer outperforms the LS equalizer for an underwater acoustic channel.
多载波声学通信使无线水下传输具有更高的数据速率。过去已经探索了几种用于数据传输的多载波调制系统。正交频分复用(OFDM)由于载波的正交性而消除符号间干扰。然而,它容易受到时间变化的影响,从而引入载波间干扰。水声(UWA)信道具有双选择性,同时具有时变和频变特性。时变和多径衰落使其成为一个难以估计的复杂信道。在本文中,我们探讨了可用于无线电OFDM系统的线性频域均衡技术,并比较了它们在浅层水声信道中的性能。所采用的水下信道模型是基于多普勒频移的里尔阴影分布。我们比较了一个线性均衡器的性能与导频估计通道与零强迫均衡器,其中通道被假设是已知的。蒙特卡罗仿真结果表明,对于128副载波、800 m收发距离的OFDM系统,采用强制零均衡器时,在10−3的误码率下获得近7dB的增益。此外,当子载波增加到256时,该增益几乎翻倍。总之,在水声信道中,零强迫均衡器优于LS均衡器。
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引用次数: 0
EMAS: Environment Monitoring and Smart Alert System for Internet of Things (IoT) EMAS:物联网环境监测和智能警报系统
Pub Date : 2020-10-06 DOI: 10.1109/GCWOT49901.2020.9391595
Rabia Noor Enam, Muhammad Tahir, S. Mustafa, Rukaiya Rukaiya
The recent advancements open up many significant energy optimization techniques in Internet of Things. The smart systems can now achieve paramount level of control of user comfort while reducing use of energy. Our main purpose is to construct smart environment monitoring and surveillance system using wireless sensor network (WSN) mainly focus on plantation, bridge monitoring and industrial products. The system periodically measures temperature, light and humidity levels of the atmosphere. When a critical change in the environmental variables is detected, the network administrator or the employee of that building will be notified via a text message on their cell phone. Thus, they will be able to act to critical changes as quickly as possible and it may be able to intercept effects of the critical change. Results are obtained in the field tests reasonably ensure that the WSN possess excellent package delivery high power efficiency.
近年来的研究进展为物联网领域开辟了许多重要的能源优化技术。智能系统现在可以在减少能源使用的同时实现用户舒适度的最高控制水平。我们的主要目的是利用无线传感器网络(WSN)构建智能环境监测和监控系统,主要针对人工林、桥梁监测和工业产品。该系统定期测量大气的温度、光照和湿度水平。当检测到环境变量发生重大变化时,该建筑物的网络管理员或员工将通过手机上的文本消息得到通知。因此,他们将能够尽可能快地对关键变化采取行动,并且可能能够拦截关键变化的影响。现场测试结果合理地保证了该无线传感器网络具有优良的封装传输性能和较高的功率效率。
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引用次数: 4
Effects of Inter-Frame Coding on Video Sequences Containing Temporal Activity 帧间编码对包含时间活动的视频序列的影响
Pub Date : 2020-10-06 DOI: 10.1109/GCWOT49901.2020.9391596
A. A. Siddique, M. F. Saleem
In this era, technology has played a vital role to link two people from a large distances via video conferencing through wireless channels. Bandwidth of the wireless channel is limited for communication, so in this regard compression becomes necessary. Compression is an integral part of video coding as it reduces the size of the video at a cost of some quality lost. Every video contains temporal activity, it is vital to study the temporal analysis before compression. Two different frame within the same video sequence contain a lot of redundant information. Due to the process of compression, video sequence is distorted. This distortion tends to increase if the video contain more temporal activity and reduces if it contain less. There are certain types of distortion that corrupts the signal such as ringing, ghosting, etc. It is important to keep an eye on the Frame rate (FPS) because a system needs to process each frames at a rate of 1/(number of frames) in a second. Compression algorithm requires extensive hardware to encode the motion vector information along with the residual frame. The difference mean opinion score (DMOS) that were obtained from the masses obtained resembles the results obtained after monitoring the motion activity in the sequence before compression and decompression.
在这个时代,技术发挥了至关重要的作用,通过无线渠道通过视频会议将两个人从很远的地方联系起来。无线信道的带宽是有限的,因此在这方面压缩是必要的。压缩是视频编码的一个组成部分,因为它减少了视频的大小,但代价是失去了一些质量。每个视频都包含时间活动,在压缩之前进行时间分析是至关重要的。同一视频序列中的两个不同帧包含大量冗余信息。在压缩过程中,视频序列会发生失真。如果视频包含更多的时间活动,这种失真倾向于增加,如果包含较少的时间活动,这种失真倾向于减少。有某些类型的失真会破坏信号,如振铃、重影等。关注帧速率(FPS)非常重要,因为系统需要以每秒1/(帧数)的速率处理每个帧。压缩算法需要大量的硬件来编码运动矢量信息和残差帧。从得到的群众中得到的差分平均意见评分(DMOS)与在压缩和解压缩前对序列中的运动活动进行监测后得到的结果相似。
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引用次数: 0
Comparative Survey on Big data Security Applications, A Blink on Interactive Security Mechanism in Apache Ozone 大数据安全应用对比调查,Apache Ozone交互安全机制初探
Pub Date : 2020-10-06 DOI: 10.1109/GCWOT49901.2020.9391610
Shiraz Ali Wagan, M. Junaid, Nawab Muhammad Faseeh Qureshi, D. Shin, Kee-Hyun Choi
Nowadays, companies are transitioning towards security-based technology to secure data at the maximum level and there are several solutions provided to solve the big data security issues. The existing solutions are highly multidisciplinary security embedded, but still, there are openings to solve the upcoming Hadoop technology like Apache Ozone which is scalable, redundant, and more importantly a distributed object storage for Hadoop. With the growing information and technology, the volume of data traffic is transmitted over storage that requires extensive security measures and privacy in the environment of big data. In this paper, we describe our efforts towards the traditional way of securing the data and compare different methods to secure the data in Hadoop technology and suggested an optimum solution.
如今,公司正在向基于安全的技术过渡,以最大程度地保护数据,并且提供了几种解决方案来解决大数据安全问题。现有的解决方案是高度多学科的安全嵌入式解决方案,但仍然存在解决即将到来的Hadoop技术的机会,如Apache Ozone,它是可扩展的,冗余的,更重要的是Hadoop的分布式对象存储。随着信息技术的发展,大量的数据流量通过存储进行传输,在大数据环境下,需要广泛的安全措施和隐私保护。在本文中,我们描述了我们对传统数据保护方式的努力,并比较了Hadoop技术中不同的数据保护方法,并提出了最佳解决方案。
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引用次数: 1
Collision-Aware Deterministic Neighbor Discovery in Static Ad Hoc Wireless Networks 静态Ad Hoc无线网络中冲突感知的确定性邻居发现
Pub Date : 2020-10-06 DOI: 10.1109/GCWOT49901.2020.9391616
J. Sorribes, Lourdes Peñalver, C. Calafate, Jaime Lloret
In ad hoc wireless networks, the devices are equipped with limited range radio transceivers for communications. This type of networks does not have a communications infrastructure right after the deployment, and nodes do not know which other nodes are within their transmission range (neighbors). So, each node must discover its neighbors as a first step. In this paper we present two approaches to the neighbor discovery problem in static one-hop scenarios: TDMA-based (Time Division Multiple Access based) and Leader-based protocols. To assess the performance of these approaches we performed simulation experiments using the Castalia 3.2 simulator, comparing the proposed protocols against two protocols widely used in the literature as reference - the PRR (Probabilistic Round Robin) protocol and the Hello protocol - measuring two metrics: neighbor discovery time and number of discovered neighbors, for all the protocols tested. Results show that the leader-based and TDMA-based protocols outperform state-of-the-art solutions in the presence of collisions regarding both metrics, while finding that the TDMA-based protocol $(O(N^{2}))$ is slower than the leader-based approach $(O(N))$. The TDMA-based proposal decreases time consumption at least at a factor of 6 in comparison with Hello protocol and a factor of 3 compared to PRR protocol. Furthermore, the leader-based protocol reduces the time consumption at least at a factor of $6N$ in comparison with Hello and a factor of $3N$ compared to PRR protocol.
在自组织无线网络中,设备配备了用于通信的有限范围无线电收发器。这种类型的网络在部署后没有通信基础设施,节点不知道哪些其他节点在其传输范围内(邻居)。因此,作为第一步,每个节点必须发现它的邻居。本文提出了两种解决静态单跳场景下邻居发现问题的方法:基于时分多址的tdma协议和基于leader的协议。为了评估这些方法的性能,我们使用Castalia 3.2模拟器进行了仿真实验,将所提出的协议与文献中广泛使用的两种协议(PRR (Probabilistic Round Robin)协议和Hello协议)进行了比较,并测量了所有测试协议的两个指标:邻居发现时间和发现邻居数量。结果表明,在两个度量存在冲突的情况下,基于领导者和基于tdma的协议优于最先进的解决方案,同时发现基于tdma的协议$(O(N^{2}))$比基于领导者的方法$(O(N))$慢。与Hello协议相比,基于tdma的提议至少减少了6倍的时间消耗,与PRR协议相比减少了3倍的时间消耗。此外,与Hello相比,基于leader的协议至少减少了6N美元的时间消耗,与PRR协议相比减少了3N美元的时间消耗。
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引用次数: 3
Big data Predictive Analytics for Apache Spark using Machine Learning 使用机器学习的Apache Spark大数据预测分析
Pub Date : 2020-10-06 DOI: 10.1109/GCWOT49901.2020.9391620
M. Junaid, Shiraz Ali Wagan, Nawab Muhammad Faseeh Qureshi, Choon-Sung Nam, D. Shin
In today's digital world data is producing at a rapid speed and handling this massive diverse data become more challenging. The environment of big data is capable of handling data efficiently from data warehouses and in real-time. In Big data environment, Apache Spark is cluster-based, open-source computing technology explicitly designed for bulky data handling. Apache spark services are to perform composite Analytics through in-memory processing. This plays an active role in making meaningful exploration through machine learning and processes a large amount of data. Machine learning API is known as Mllib. It is highly prominent and efficient for big data platforms also offers excellent functionalities. In this paper, we have performed an experiment to look at the analytical qualities of Mllib in the apache spark environment. Likewise, we have highlighted the modern tendencies of Machine learning in big data studies and provides an understanding of upcoming work.
在当今的数字世界中,数据的产生速度非常快,处理这些庞大而多样的数据变得更具挑战性。大数据环境能够高效、实时地处理数据仓库中的数据。在大数据环境中,Apache Spark是一种基于集群的开源计算技术,专为处理大量数据而设计。Apache spark服务将通过内存处理来执行复合分析。这对于通过机器学习进行有意义的探索和处理大量数据起着积极的作用。机器学习API被称为Mllib。它非常突出和高效,因为大数据平台也提供了出色的功能。在本文中,我们进行了一个实验来观察apache spark环境下Mllib的分析质量。同样,我们强调了机器学习在大数据研究中的现代趋势,并提供了对即将开展的工作的理解。
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引用次数: 1
Signal Analysis and Anomaly Detection of IoT-Based Healthcare Framework 基于物联网医疗框架的信号分析与异常检测
Pub Date : 2020-10-06 DOI: 10.1109/GCWOT49901.2020.9391621
Menaa Nawaz, Jameel Ahmed, Ghulam Abbas, Mujeeb ur Rehman
In the past few years, the idea of trading information while multiple devices are connected and communicating with each other, has grabbed huge attention. For processing this large amount of information, data connectivity and data analytics techniques have become essential for making decisions in variety of areas. Applying Internet of Things (IoT) solutions in healthcare systems is one of the rising areas that researchers are interested in. The usage of IoT technology has brought convenience for patients and physicians by real-time monitoring and managing healthcare and patient information. Corporations are in competition with each other to create IoT based devices with specific cloud interface but with least capability to analyse the data. In this research, an implementation of IoT based healthcare system using bio-medical sensors has been presented. This paper also aims to provide the analysis of cloud data acquired through biomedical sensors using signal analysis techniques for anomaly detection.
在过去的几年里,在多个设备连接和相互通信的同时进行信息交易的想法引起了极大的关注。为了处理如此大量的信息,数据连接和数据分析技术对于在各种领域做出决策至关重要。将物联网(IoT)解决方案应用于医疗保健系统是研究人员感兴趣的新兴领域之一。物联网技术的使用通过实时监控和管理医疗保健和患者信息,为患者和医生带来了便利。企业正在相互竞争,创建基于物联网的设备,这些设备具有特定的云接口,但分析数据的能力最低。在本研究中,提出了一种使用生物医学传感器的基于物联网的医疗系统的实现。本文还旨在利用信号分析技术对生物医学传感器获取的云数据进行异常检测分析。
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引用次数: 4
期刊
2020 Global Conference on Wireless and Optical Technologies (GCWOT)
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