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2017 International Conference on Computing, Networking and Communications (ICNC)最新文献

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A game-theoretic analysis of energy-depleting jamming attacks 耗能干扰攻击的博弈论分析
Chiara Pielli, Federico Chiariotti, N. Laurenti, A. Zanella, M. Zorzi
Jamming may be a serious issue in Internet of Things networks with battery-powered nodes, as an attacker can not only disrupt packet delivery, but also reduce the lifetime of energy-constrained nodes. In this work, we consider a malicious attacker with the dual objective of preventing communication and depleting the battery of a targeted node. We model this scenario as a multistage game, derive optimal strategies for both sides, and evaluate their consequences on network performance. Our work highlights the trade-off between node lifetime and communication reliability and how the presence of a jammer affects both these aspects.
在电池供电节点的物联网网络中,干扰可能是一个严重的问题,因为攻击者不仅可以中断数据包的传递,还可以减少能量受限节点的寿命。在这项工作中,我们考虑一个恶意攻击者的双重目标是阻止通信和耗尽目标节点的电池。我们将这种情况建模为多阶段博弈,得出双方的最佳策略,并评估其对网络性能的影响。我们的工作强调了节点寿命和通信可靠性之间的权衡,以及干扰机的存在如何影响这两个方面。
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引用次数: 16
Overlapping user grouping in IoT oriented massive MIMO systems 面向物联网的大规模MIMO系统中的重叠用户分组
Pub Date : 2017-07-20 DOI: 10.1109/ICCNC.2017.7876135
Run Tian, Yuan Liang, Xuezhi Tan, Tongtong Li
This paper considers capacity and quality of service improvement in Internet of Things (IoT) oriented massive MIMO systems through overlapping user grouping. In massive MIMO systems, user selection and grouping are generally used to reduce multiuser interference. In existing approaches, users with less favorable channel conditions are generally dropped for capacity optimization. As a result, some users would never be served by the system in IoT networks. Moreover, user subgroups are generally non-overlapping, leading to unnecessary resource waste. Motivated by these observations, in this paper, we propose two new user grouping approaches. First, we propose a new user grouping method based on greedy algorithm by allowing overlapping between the selected subgroups. Second, we introduce a new channel similarity measure, and develop another overlapping user grouping method by exploiting the spectral clustering method in machine learning. It is observed that the proposed approaches can increase the system capacity through subgroup overlapping, and can ensure that each user will be served in at least one subgroup.
本文研究了面向物联网(IoT)的大规模MIMO系统中通过重叠用户分组来提高容量和服务质量的问题。在大规模MIMO系统中,用户选择和分组通常用于减少多用户干扰。在现有的方法中,为了优化容量,通常会丢弃信道条件较差的用户。因此,在物联网网络中,系统永远不会为一些用户提供服务。此外,用户子组一般不重叠,造成不必要的资源浪费。基于这些观察,在本文中,我们提出了两种新的用户分组方法。首先,我们提出了一种新的基于贪心算法的用户分组方法,允许所选子组之间的重叠。其次,我们引入了一种新的信道相似度度量,并利用机器学习中的频谱聚类方法开发了另一种重叠用户分组方法。结果表明,所提出的方法可以通过子组重叠增加系统容量,并保证每个用户至少在一个子组中得到服务。
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引用次数: 21
Social factors for data sparsity problem of trust models in MANETs manet中信任模型数据稀疏性问题的社会因素
Pub Date : 2017-03-13 DOI: 10.1109/ICCNC.2017.7876247
A. Shabut, K. Dahal
The use of recommendation in trust-based models has its advantages in enhancing the correctness and quality of the rating provided by mobile and autonomous nodes in MANETs. However, building a trust model with a recommender system in dynamic and distributed networks is a challenging problem due to the risk of dishonest recommendations. Dealing with dishonest recommendations can result in the additional problem of data sparsity, which is related to the availability of information in the early rounds of the network time or when nodes are inactive in providing recommendations. This paper investigates the problems of data sparsity and cold start of recommender systems in existing trust models. It proposes a recommender system with clustering technique to dynamically seek similar recommendations based on a certain timeframe. Similarity between different nodes is evaluated based on important attributes includes use of interactions, compatibility of information and closeness between the mobile nodes. The recommender system is empirically tested and empirical analysis demonstrates robustness in alleviating the problems of data sparsity and cold start of recommender systems in a dynamic MANET environment.
在基于信任的模型中使用推荐在提高移动节点和自治节点提供的评级的正确性和质量方面具有优势。然而,由于存在不诚实推荐的风险,在动态和分布式网络中建立推荐系统的信任模型是一个具有挑战性的问题。处理不诚实的推荐可能会导致额外的数据稀疏性问题,这与网络时间的早期轮次或节点在提供推荐时不活动时的信息可用性有关。本文研究了现有信任模型中推荐系统的数据稀疏性和冷启动问题。提出了一种基于聚类技术的推荐系统,在一定的时间范围内动态地寻找相似的推荐。不同节点之间的相似性基于重要属性进行评估,这些属性包括交互的使用、信息的兼容性和移动节点之间的亲密度。本文对推荐系统进行了实证测试,实证分析表明,该方法在缓解动态MANET环境下推荐系统的数据稀疏性和冷启动问题方面具有鲁棒性。
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引用次数: 4
Towards zero packet loss with LISP Mobile Node 用LISP移动节点实现零丢包
Pub Date : 2017-03-13 DOI: 10.1109/ICCNC.2017.7876137
Musab Isah, Steven Simpson, Yusuf Sani, C. Edwards
Host mobility protocols such as Locator-Identifier Separation Protocol Mobile Node (LISP-MN) are known to experience packet loss at the point of handover. For the duration of the handover, packets sent to the MN via the old access link are dropped by the router since it has no way of knowing where the device has moved to. This affects the performance of transport layer protocols of the TCP/IP stack, which results in degradation of network performance. Buffering these packets close to the MN's new location and forwarding them to the MN on handover completion is one way of improving the overall performance of the mobility protocol. Hence, we introduce a novel network node, loc-server, to buffer these packets in order to mitigate the packet loss and reduce the service disruption time (SDT) experienced by MNs during handovers. Using a laboratory testbed implementation, LISP-MN with loc-server support shows significant reduction in packet loss and reduced SDT in comparison to vanilla LISP-MN. Similarly, performance analysis of DASH video player also shows the new architecture helps in improving the average video quality downloaded by the MN and reduces the player's instability.
众所周知,主机移动协议,如定位符-标识符分离协议移动节点(LISP-MN),会在切换点经历数据包丢失。在切换期间,通过旧的访问链路发送到MN的数据包被路由器丢弃,因为它无法知道设备已经移动到哪里。这会影响TCP/IP协议栈传输层协议的性能,导致网络性能下降。将这些数据包缓冲在靠近MN新位置的地方,并在切换完成时将它们转发给MN,这是提高移动性协议整体性能的一种方法。因此,我们引入了一种新的网络节点,loc-server,来缓冲这些数据包,以减轻数据包丢失并减少MNs在切换期间经历的服务中断时间(SDT)。使用实验室测试平台实现,与普通的LISP-MN相比,具有loc-server支持的LISP-MN显着减少了数据包丢失和SDT。同样,对DASH视频播放器的性能分析也表明,新架构有助于提高MN下载的平均视频质量,减少播放器的不稳定性。
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引用次数: 1
A lightweight network anomaly detection technique 一个轻量级的网络异常检测技术
Pub Date : 2017-03-10 DOI: 10.1109/ICCNC.2017.7876251
Jinoh Kim, Wucherl Yoo, A. Sim, S. Suh, Ikkyun Kim
While the network anomaly detection is essential in network operations and management, it becomes further challenging to perform the first line of detection against the exponentially increasing volume of network traffic. In this work, we develop a technique for the first line of online anomaly detection with two important considerations: (i) availability of traffic attributes during the monitoring time, and (ii) computational scalability for streaming data. The presented learning technique is lightweight and highly scalable with the beauty of approximation based on the grid partitioning of the given dimensional space. With the public traffic traces of KDD Cup 1999 and NSL-KDD, we show that our technique yields 98.5% and 83% of detection accuracy, respectively, only with a couple of readily available traffic attributes that can be obtained without the help of post-processing. The results are at least comparable with the classical learning methods including decision tree and random forest, with approximately two orders of magnitude faster learning performance.
网络异常检测在网络运营和管理中发挥着重要的作用,但随着网络流量的急剧增长,如何进行第一道检测变得越来越具有挑战性。在这项工作中,我们开发了一种在线异常检测的一线技术,考虑了两个重要因素:(i)监测期间流量属性的可用性,以及(ii)流数据的计算可扩展性。所提出的学习技术具有轻量级和高度可扩展性,并且具有基于给定维度空间的网格划分的近似之美。以1999年KDD杯和NSL-KDD的公共流量轨迹为例,我们的技术分别获得了98.5%和83%的检测准确率,仅使用几个现成的流量属性,这些属性可以在没有后处理的帮助下获得。结果至少与经典的学习方法(包括决策树和随机森林)相当,学习性能提高了大约两个数量级。
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引用次数: 8
An approach to online network monitoring using clustered patterns 一种使用集群模式进行在线网络监控的方法
Pub Date : 2017-03-10 DOI: 10.1109/ICCNC.2017.7876207
Jinoh Kim, A. Sim, S. Suh, Ikkyun Kim
Network traffic monitoring is a core element in network operations and management for various purposes such as anomaly detection, change detection, and fault/failure detection. In this paper, we introduce a new approach to online monitoring using a pattern-based representation of the network traffic. Unlike the past online techniques limited to a single variable to summarize (e.g., sketch), the focus of this study is on capturing the network state from the multivariate attributes under consideration. To this end, we employ clustering with its benefit of the aggregation of multidimensional variables. The clustered result represents the state of the network with regard to the monitored variables, which can also be compared with the previously observed patterns visually and quantitatively. We demonstrate the proposed method with two popular use cases, one for estimating state changes and the other for identifying anomalous states, to confirm its feasibility.
网络流量监控是网络运营管理的核心内容,可以实现异常检测、变化检测、故障检测等多种目的。在本文中,我们介绍了一种使用基于模式的网络流量表示进行在线监控的新方法。与过去的在线技术局限于单个变量进行总结(例如,草图)不同,本研究的重点是从考虑的多变量属性中捕获网络状态。为此,我们利用聚类的多维变量聚集的优势。聚类结果表示网络与被监控变量相关的状态,也可以将其与之前观察到的模式进行直观和定量的比较。我们用两个流行的用例来演示所提出的方法,一个用于估计状态变化,另一个用于识别异常状态,以证实其可行性。
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引用次数: 8
MobiBone: An energy-efficient and adaptive network protocol to support short rendezvous between static and mobile wireless sensor nodes MobiBone:一种节能的自适应网络协议,支持静态和移动无线传感器节点之间的短时间会合
Pub Date : 2017-03-10 DOI: 10.1109/ICCNC.2017.7876275
Kui Zhang, E. D. Ayele, N. Meratnia, P. Havinga, Peng Guo, Youxin Wu
To ensure long network life-time, the duty-cycle of wireless sensor networks is often set to be low. This brings with itself the risk of either missing a sent packet or delaying the message delivery and dissemination depending on the duration of the duty-cycle and number of hops. This risk is increased in wireless sensor applications with hybrid architecture, in which a static ground wireless sensor network interacts with a network of mobile sensor nodes. Dynamicity and mobility of mobile nodes may lead to only a short rendezvous between them and the backbone network to exchange data. Additionally, such dynamicity generates complex and often random data traffic patterns. To support successful data delivery in case of short rendezvous between static and mobile wireless sensor nodes, we propose MobiBone, an energy-efficient and adaptive network protocol that utilizes data packet traffic to characterize the sleep schedule. Our simulation results show that compared with network protocols with fixed duty-cycles, MobiBone offers a good trade-off between energy consumption, latency, and detection rate of mobile nodes (which indicates awakens of the backbone network at crucial times of mobile node presence).
为了保证较长的网络使用寿命,无线传感器网络的占空比通常设置得较低。这本身就带来了丢失发送数据包或延迟消息传递和分发的风险,这取决于占空比的持续时间和跳数。这种风险在具有混合架构的无线传感器应用中增加,其中静态地面无线传感器网络与移动传感器节点网络交互。移动节点的动态性和移动性可能导致它们与骨干网之间只有很短的交会时间来交换数据。此外,这种动态性会生成复杂且通常是随机的数据流量模式。为了在静态和移动无线传感器节点之间的短时间集合情况下支持成功的数据传输,我们提出了MobiBone,这是一种节能且自适应的网络协议,它利用数据包流量来表征睡眠时间表。我们的仿真结果表明,与固定占空比的网络协议相比,MobiBone在能量消耗、延迟和移动节点的检测率(表明在移动节点存在的关键时刻骨干网的唤醒)之间提供了很好的权衡。
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引用次数: 1
Capacity gains of buffer-aided moving relays 缓冲辅助移动继电器的容量增益
Pub Date : 2017-03-10 DOI: 10.1109/ICCNC.2017.7876103
Ammar Zafar, M. Shaqfeh, H. Alnuweiri, Mohamed-Slim Alouini
This work investigates the gain due to reduction in path loss by deploying buffer-aided moving relaying. In particular, the increase in gain due to moving relays is studied for dual-hop broadcast channels and the bidirectional relay channel. It is shown that the exploited gains in these channels due to buffer-aided relaying can be enhanced by utilizing the fact that a moving relay can communicate with the terminal closest to it and store the data in the buffer and then forward the data to the intended destination when it comes in close proximity with the destination. Numerical results show that for both the considered channels the achievable rates are increased as compared to the case of stationary relays. Numerical results also show that more significant increase in performance is seen when the relay moves to-and-fro between the source and the relay.
这项工作研究了由于部署缓冲辅助移动继电器减少路径损耗而产生的增益。重点研究了双跳广播信道和双向中继信道中移动中继对增益的影响。结果表明,通过利用移动中继可以与离它最近的终端通信并将数据存储在缓冲区中,然后在靠近目的地时将数据转发到预期目的地的事实,可以增强由于缓冲辅助中继在这些信道中所利用的增益。数值结果表明,两种信道的可达速率都比静止中继的可达速率高。数值结果还表明,当继电器在源和继电器之间来回移动时,性能有更显著的提高。
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引用次数: 2
An enhanced MMSE subchannel decision feedback equalizer with ICI suppression for FBMC/OQAM systems FBMC/OQAM系统中带有ICI抑制的增强型MMSE子信道决策反馈均衡器
Pub Date : 2017-03-10 DOI: 10.1109/ICCNC.2017.7876278
Chih-Wei Chen, F. Maehara
This paper proposes an enhanced decision feedback equalizer (DFE) for filter bank multicarrier (FBMC) systems over offset quadrature amplitude modulation (OQAM) based on a minimal mean square error (MMSE) criterion. For each subcarrier, besides one feedforward (FF) filter and one feedback (FB) filter, we add two intercarrier interference (ICI)-suppressing filters, which feed back detected precursors extracted from neighboring subchannels to enhance ICI suppression in the presence of multipath channels. Our simulation results indicate our proposal makes a considerable improvement comparing with MMSE-DFE under a severe ICI and ISI scenario despite few extra costs in computational complexity.
本文提出了一种基于最小均方误差(MMSE)准则的基于偏置正交调幅(OQAM)的滤波器组多载波(FBMC)系统的增强决策反馈均衡器(DFE)。对于每个子载波,除了一个前馈(FF)滤波器和一个反馈(FB)滤波器外,我们还添加了两个载波间干扰(ICI)抑制滤波器,它们反馈从相邻子信道提取的检测前体,以增强多径信道存在时的ICI抑制。我们的模拟结果表明,在严重的ICI和ISI场景下,我们的提议与MMSE-DFE相比有很大的改进,尽管计算复杂性方面的额外成本很少。
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引用次数: 15
Short term power load forecasting using Deep Neural Networks 基于深度神经网络的短期电力负荷预测
Pub Date : 2017-01-26 DOI: 10.1109/ICCNC.2017.7876196
Ghulam Mohi Ud Din, Angelos K. Marnerides
Accurate load forecasting greatly influences the planning processes undertaken in operation centres of energy providers that relate to the actual electricity generation, distribution, system maintenance as well as electricity pricing. This paper exploits the applicability of and compares the performance of the Feed-forward Deep Neural Network (FF-DNN) and Recurrent Deep Neural Network (R-DNN) models on the basis of accuracy and computational performance in the context of time-wise short term forecast of electricity load. The herein proposed method is evaluated over real datasets gathered in a period of 4 years and provides forecasts on the basis of days and weeks ahead. The contribution behind this work lies with the utilisation of a time-frequency (TF) feature selection procedure from the actual “raw” dataset that aids the regression procedure initiated by the aforementioned DNNs. We show that the introduced scheme may adequately learn hidden patterns and accurately determine the short-term load consumption forecast by utilising a range of heterogeneous sources of input that relate not necessarily with the measurement of load itself but also with other parameters such as the effects of weather, time, holidays, lagged electricity load and its distribution over the period. Overall, our generated outcomes reveal that the synergistic use of TF feature analysis with DNNs enables to obtain higher accuracy by capturing dominant factors that affect electricity consumption patterns and can surely contribute significantly in next generation power systems and the recently introduced SmartGrid.
准确的负荷预测对能源供应商运作中心所进行的与实际发电、分配、系统维护以及电价有关的规划过程有很大影响。本文从准确性和计算性能两个方面,探讨了前馈深度神经网络(FF-DNN)和循环深度神经网络(R-DNN)模型在电力负荷短时预测中的适用性,并进行了性能比较。本文提出的方法是在4年期间收集的真实数据集上进行评估的,并在几天或几周的基础上提供预测。这项工作背后的贡献在于利用了实际“原始”数据集的时频(TF)特征选择过程,该过程有助于上述dnn启动的回归过程。我们表明,引入的方案可以充分学习隐藏的模式,并通过利用一系列不同的输入源来准确地确定短期负荷消耗预测,这些输入源不一定与负荷本身的测量有关,也与其他参数有关,如天气、时间、假期、滞后电力负荷及其在此期间的分布。总体而言,我们生成的结果表明,TF特征分析与深度神经网络的协同使用能够通过捕获影响电力消耗模式的主要因素来获得更高的准确性,并且肯定可以在下一代电力系统和最近推出的智能电网中做出重大贡献。
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引用次数: 113
期刊
2017 International Conference on Computing, Networking and Communications (ICNC)
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