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2016 International Conference on Military Communications and Information Systems (ICMCIS)最新文献

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Complex event processing for content-based text, image, and video retrieval 用于基于内容的文本、图像和视频检索的复杂事件处理
Elizabeth K. Bowman, B. Broome, V. M. Holland, Douglas Summers-Stay, R. Rao, John Duselis, J. Howe, B. Madahar, A. Boury-Brisset, Bruce Forrester, P. Kwantes, G. Burghouts, J. V. van Huis, Adem Yasar Mulayim
This report summarizes the findings of an exploratory team of the North Atlantic Treaty Organization (NATO) Information Systems Technology panel into Content-Based Analytics (CBA). The team carried out a technical review into the current status of theoretical and practical developments of methods, tools and techniques supporting joint exploitation of multimedia data sources. In particular, content-based information retrieval and analytics was considered as a means to allow military experts to exploit multiple data sources in a rapid fashion for sensemaking and knowledge generation. Elements included contextual understanding of complex events through computational/human processing techniques, event prediction through the automated extraction of network features, temporal trends, hidden clusters and resource flows, and the use of machine processing for automated translation, parsing, information extraction, and summarization of unstructured and semistructured data. The main conclusions of the study are that important research gaps exist in all the technical areas covered in this report. Though the research areas and developments are being advanced in the military sector and the civil sector, in particular, they remain at low levels of technical maturity for defense and security system applications. It is recommended that NATO collaborative research effort be expanded to advance those approaches that are most pertinent to our overall aim of enhancing the contextual understanding of complex events through CBA of heterogeneous multimedia streams.
本报告总结了北大西洋公约组织(NATO)信息系统技术小组的一个探索小组对基于内容的分析(CBA)的研究结果。该小组对支持联合利用多媒体数据源的方法、工具和技术的理论和实际发展现状进行了技术审查。特别是,基于内容的信息检索和分析被认为是一种手段,使军事专家能够以快速的方式利用多个数据源进行意义分析和知识生成。要素包括通过计算/人工处理技术对复杂事件的上下文理解,通过自动提取网络特征、时间趋势、隐藏集群和资源流来进行事件预测,以及使用机器处理对非结构化和半结构化数据进行自动翻译、解析、信息提取和总结。该研究的主要结论是,本报告所涵盖的所有技术领域都存在重要的研究差距。尽管在军事部门和民用部门的研究领域和发展正在取得进展,但它们在国防和安全系统应用方面的技术成熟度仍然很低。建议北约扩大合作研究工作,以推进那些与我们通过异构多媒体流的CBA增强对复杂事件的上下文理解这一总体目标最相关的方法。
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引用次数: 0
Multicarrier modulation for HF communications 用于高频通信的多载波调制
J. Yli-Kaakinen, M. Renfors, Hannu Tuomivaara
High-frequency (HF) communications can be flexibly realized using multicarrier modulation techniques. This paper compares the performance of three widely utilized MCM techniques, namely, orthogonal frequency-division multiplexing (OFDM), filter bank multicarrier/offset-QAM (FBMC/OQAM), and filtered multitone (FMT) in HF communications. The performance of these systems is simulated using commonly adopted HF-channel models. It is shown that the simulated uncoded bit-error rate of OFDM is slightly better than that of FBMC/OQAM and FMT. However, with pilot based channel estimation FMT outperforms FBMC/OQAM and OFDM systems in achievable coded frame error rate in case of selective channel models.
采用多载波调制技术可以灵活地实现高频通信。本文比较了高频通信中常用的三种MCM技术,即正交频分复用(OFDM)、滤波器组多载波/偏置qam (FBMC/OQAM)和滤波多音(FMT)的性能。采用常用的高频信道模型对这些系统的性能进行了仿真。结果表明,OFDM的模拟无编码误码率略优于FBMC/OQAM和FMT。然而,在基于导频信道估计的情况下,FMT在可实现的编码帧误码率方面优于FBMC/OQAM和OFDM系统。
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引用次数: 5
A rational multiparty information exchange model using extensive games 基于广泛博弈的理性多方信息交换模型
Alberto M. Campos, Viet Pham
It is well known that excessive intelligence is mandatory in military procedures, in companies to know about competitors, as well as in markets to decide where to invest in. However, this information is not always fully reliable since it might be given by others with conflicting interests. Consequently, there is no guarantee that the supplied information has not been maliciously crafted to produce negative outputs to the receiving entity. For a formal treatment, a way to represent this problem is via Multi-Party Information Exchange (MPIE) model. Applying extensive games, we propose a MPIE when the information is relayed in non-secret channels. This is a refinement of a previous MPIE by rejecting solutions arisen from empty threats, through finding perfect equilibria in sub-games. The resolution to find such perfect equilibria is based on executing an algorithm that solves Mixed Integer Linear Programming (MILP) models. The case studies prove that empty threats are deleted and that a large number of players can be efficiently solved using the proposed algorithm.
众所周知,在军事程序中,在公司中了解竞争对手,以及在决定投资地点的市场中,过度的情报是强制性的。然而,这些信息并不总是完全可靠的,因为它可能是由利益冲突的其他人提供的。因此,不能保证所提供的信息没有被恶意制作,从而向接收实体产生负面输出。对于一种正式的处理方法,可以通过多方信息交换(MPIE)模型来表示这个问题。在广泛博弈的基础上,提出了在非保密信道中传输信息时的MPIE。这是对之前的MPIE的改进,通过寻找子博弈中的完美平衡,拒绝了由空洞威胁产生的解决方案。找到这种完美平衡点的方法是基于执行一个求解混合整数线性规划(MILP)模型的算法。实例研究表明,该算法能够有效地消除空威胁,并能有效地求解大量的玩家。
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引用次数: 0
Compensation of imperfect channel reciprocity through MMSE prediction for physical-layer confidentiality enhancement 利用MMSE预测补偿不完善的信道互易性,增强物理层保密性
Hao Li, Xianbin Wang, Helen Tang
In this paper, we utilize the minimum mean squared error (MMSE) prediction to compensate imperfect channel reciprocity in achieving physical-layer confidentiality enhancement, particularly for our recently developed secure OFDM system with dynamic subcarrier coordinate interleaving [1]. In the proposed method, the transmitter first estimates the correlation coefficient between the forward and backward channel estimates based on historical observations and then uses this correlation coefficient to predict the channel estimate that would be observed by the legitimate receiver. Relying on this predicted channel, the transmitter interleaves the real and imaginary components of a subcarrier symbol when its associated channel phase is larger than a predefined threshold. Improved channel reciprocity is thus established and the frequently updated interleaving pattern can be shared between legitimate users. In contrast, adversaries at a third location are not able to de-interleave the OFDM signals so that communication confidentiality is achieved. Compared with existing imperfect channel reciprocity compensation solutions in physical-layer confidentiality enhancement, the proposed technique requires no additional resource and is not sensitive to the origin of the imperfect channel reciprocity. Simulations are carried out to validate the proposed design.
在本文中,我们利用最小均方误差(MMSE)预测来补偿不完美的信道互反,以实现物理层机密性增强,特别是我们最近开发的具有动态副载波坐标交错[1]的安全OFDM系统。在该方法中,发射机首先根据历史观测估计前向和后向信道估计之间的相关系数,然后使用该相关系数预测合法接收机将观察到的信道估计。依靠该预测信道,当关联信道相位大于预定义阈值时,发射机将子载波符号的实分量和虚分量交织在一起。从而建立了改进的信道互易性,并且可以在合法用户之间共享频繁更新的交错模式。相反,在第三个位置的对手不能去交错OFDM信号,从而实现通信机密性。与现有物理层保密增强中的不完全信道互易补偿方案相比,该方法不需要额外的资源,并且对不完全信道互易的来源不敏感。仿真验证了所提出的设计。
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引用次数: 4
Sensor networking and integration: A proof-of-concept experiment 传感器网络和集成:一个概念验证实验
K. Lund, Eirik Skjelbreid Grimstvedt, Morten Aronsen, Erlend Larsen, R. Macdonald
In November 2015 the Norwegian Defence Research Establishment (FFI) conducted an experiment using two autonomous Unmanned Aerial Vehicles for geo-location of navigation radars. This was an interdisciplinary experiment that included a number of different research communities, and which contributed to a number of different research areas. This paper gives an overview of the experiment, with an emphasis on the information flow. The experiment has demonstrated how a continuous data flow can be established, from the sensors, via an operating center, and all the way to a joint headquarters. In addition, we describe how sensor data from different sources were integrated in order to identify tracks that needed further investigation. Finally, the paper provides some preliminary results from the experiment, both with respect to the radio communication between sensors and ground node, and to the actual geo-location process.
2015年11月,挪威国防研究机构(FFI)进行了一项使用两架自主无人机进行导航雷达地理定位的实验。这是一个跨学科的实验,包括许多不同的研究团体,并为许多不同的研究领域做出了贡献。本文对实验进行了概述,重点介绍了信息流。这个实验展示了如何建立一个连续的数据流,从传感器,通过一个操作中心,一直到一个联合总部。此外,我们描述了如何整合来自不同来源的传感器数据,以确定需要进一步调查的轨迹。最后,本文提供了一些初步的实验结果,包括传感器与地面节点之间的无线电通信,以及实际的地理定位过程。
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引用次数: 0
Recommendations for realizing SOAP publish/subscribe in tactical networks 在战术网络中实现SOAP发布/订阅的建议
T. H. Bloebaum, F. T. Johnsen, Marianne R. Brannsten, J. Alcaraz-Calero, Qi Wang, James Nightingale
In this paper, we investigate the publish/subscribe standard WS-Notiflcation with respect to deployment and use in the tactical domain. We leverage a network emulator, CORE, to generate a testbed for controlled and repeatable experiments exhibiting typical tactical network traits: Limited data rates, delays, and packet loss, as well as node mobility and subsequent sporadic loss of connectivity. The work was performed in context of the NATO CSO/IST-118 “SOA recommendations for disadvantaged grids in the tactical domain” group. Our goal was not only to see how the WS-Notification standard behaves in the tactical domain, but also to investigate optimizations (here: compression) as part of our work for giving recommendations towards tactical SOA deployment. Our findings include that compression in general is beneficial and should be leveraged. However, the broker-based nature of WS-Notification proved, as expected, to be problematic in disruptive environments (single point of failure), and so measures that can mitigate this should be investigated further.
在本文中,我们研究了发布/订阅标准ws - notification在战术领域中的部署和使用。我们利用网络模拟器CORE来生成一个测试平台,用于受控和可重复的实验,展示典型的战术网络特征:有限的数据速率、延迟和数据包丢失,以及节点移动性和随后的零星连接丢失。这项工作是在北约CSO/IST-118“战术领域劣势网格SOA建议”小组的背景下进行的。我们的目标不仅是了解WS-Notification标准在战术领域中的行为,而且还研究优化(这里是压缩),作为我们工作的一部分,为战术SOA部署提供建议。我们的发现包括压缩通常是有益的,应该加以利用。然而,正如预期的那样,WS-Notification基于代理的特性在破坏性环境(单点故障)中被证明是有问题的,因此应该进一步研究可以减轻这种情况的措施。
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引用次数: 4
Emitter signal sorting based on fractal dimensions of pulse envelope's front edge 基于脉冲包络前沿分形维数的发射器信号分选
Qi-xiang Fu, Cheng Li, Feiyang Cai, Wei Wang, Shunping Xiao
In order to sort signals from the emitters with the same type, a sorting method based on fractal dimensions of pulse envelope's front edge is proposed in this paper. Firstly, a novel signal sorting flow based on fractal dimensions is presented. Then the approach for extracting the box dimension and information dimension of the pulse envelope's front edge is given. Finally, simulated signals and actual signals are used for validating the proposed method respectively. Experiment results show that the correct sorting rate by this method after traditional sorting for signals from the same type emitters is above 95%.
为了对同类型发射源的信号进行分选,提出了一种基于脉冲包络前缘分形维数的分选方法。首先,提出了一种新的基于分形维数的信号分选流程。然后给出了脉冲包络前沿的盒维数和信息维数的提取方法。最后,用仿真信号和实际信号分别对所提方法进行了验证。实验结果表明,在传统分选方法的基础上,该方法对同类型发射源信号的分选正确率在95%以上。
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引用次数: 1
The Italian Army C2 evolution: From the current SIACCON2 land command & control system to the LC2EVO using “agile” software development methodology 意大利陆军C2演进:从目前的SIACCON2陆地指挥控制系统到使用“敏捷”软件开发方法的LC2EVO
A. Messina, F. Fiore
The continuous evolution of the military “land operations ” generates instability of the Command & Control systems requirements obliging the developers to work with unstable and unconsolidated mission needs. In 2013, the Italian Army General Staff Logistic Department decided to overcome the problem of the “volatile requirement” transitioning to a completely different software development methodology derived from the commercial, area but almost completely new to the “mission critical” software applications: the so called “agile” methodology. The introduction of “agile” in the development of high reliability software was not easy and implied the generation of a brand new “agile” methodology called: Italian Army Agile or ITA2. Setting up the LC2Evo (the evolution software of the land C2) implied the solution of many problems and the construction of a solid structure based on four “pillars”: User Community Governance, Specific “agile” Training, new “agile” CASE1 Tools, custom “agile” development doctrine. This paper gives a short description of the Italian C2 software evolution from the current SIACCON2 to the LC2Evo whose first components are in use already in various national and out of area operations. The LC2Evo “dismounted Soldier segment software using augmented reality and goggle glass-like display is also described. The major problems tackled and solved for the construction of the “four pillars” are treated.
军事“陆地作战”的不断发展产生了指挥与控制系统需求的不稳定性,迫使开发人员处理不稳定和未整合的任务需求。2013年,意大利陆军总参谋部后勤部决定克服“需求不稳定”的问题,过渡到一种完全不同的软件开发方法,这种方法来源于商业领域,但对“关键任务”软件应用来说几乎是全新的:所谓的“敏捷”方法。在高可靠性软件的开发中引入“敏捷”并不容易,这意味着要产生一种全新的“敏捷”方法:意大利陆军敏捷或ITA2。建立LC2Evo(土地C2的进化软件)意味着解决了许多问题,并基于四个“支柱”构建了坚实的结构:用户社区治理,特定的“敏捷”培训,新的“敏捷”CASE1工具,定制的“敏捷”开发原则。本文简要描述了意大利C2软件从目前的SIACCON2到LC2Evo的演变,LC2Evo的第一个组件已经在各种国家和地区外的行动中使用。还介绍了采用增强现实技术和类似护目镜的显示器的LC2Evo“下车士兵”部分软件。论述了“四大支柱”建设面临和解决的重大问题。
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引用次数: 6
Influence of the frequency stability on the emitter position in SDF method SDF方法中频率稳定性对发射极位置的影响
J. Kelner, C. Ziółkowski, Piotr E. Marszalek
An accuracy of each location method depends primarily on an accuracy of a parameter measurements that is the basis of the method. In the case of frequency methods, a frequency stability of a localized emitter is the main factor influencing on the location error. In this paper, the impact of the frequency stability on accuracy of the emitter position in signal Doppler frequency method is analyzed. The presented analysis is based on simulation tests. Empirical results of the frequency stability achieved for the selected signal generators are used in these simulations.
每种定位方法的精度主要取决于作为该方法基础的参数测量的精度。在频率法中,局域发射极的频率稳定性是影响定位误差的主要因素。本文分析了信号多普勒频率法中频率稳定性对发射器位置精度的影响。本文的分析是基于仿真试验的。在这些仿真中使用了所选信号发生器频率稳定性的经验结果。
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引用次数: 7
Evolving military broadband wireless communication systems: WiMAX, LTE and WLAN 不断发展的军用宽带无线通信系统:WiMAX、LTE和WLAN
Paula Fraga-Lamas, L. Castedo-Ribas, Antonio Morales-Méndez, J. M. Camas-Albar
Emerging technologies for mobile broadband wireless are being considered as a Commercial Off-The-Shelf solution to cover the operational requirements of the future warfare. The capabilities of these technologies are being enhanced to meet the growing market demands on performance. In this context, several standards such as WiMAX, LTE or WLAN are introducing themselves as strong candidates to fulfill these requirements. This paper presents an innovative scenario-based approach to develop a Military Broadband Wireless Communication System (MBWCS). Its main objective is to analyze how similar a military MBWCS can be to the identified civil standards, taking operational and high level technical requirements into account. This specification will be used for analyzing the applicability and the modifications of each of the standards layers individually. Proving the feasibility and aptitude of each standard provides strong foundations to address a MBWCS in the most efficient way.
新兴的移动宽带无线技术被认为是一种商用的现成解决方案,以满足未来战争的作战需求。这些技术的能力正在得到增强,以满足日益增长的市场对性能的需求。在这种情况下,WiMAX、LTE或WLAN等几个标准正在成为满足这些要求的有力候选。本文提出了一种基于场景的军用宽带无线通信系统(MBWCS)的创新方法。其主要目标是分析军用MBWCS与已确定的民用标准的相似程度,同时考虑到操作和高级技术要求。本规范将用于单独分析每个标准层的适用性和修改。证明每个标准的可行性和适用性为最有效地解决MBWCS提供了坚实的基础。
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引用次数: 23
期刊
2016 International Conference on Military Communications and Information Systems (ICMCIS)
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