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2017 European Conference on Networks and Communications (EuCNC)最新文献

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Self-organizing mesh topology formation in Internet of things with heterogeneous devices 异构设备物联网中自组织网格拓扑的形成
Pub Date : 2017-06-12 DOI: 10.1109/EuCNC.2017.7980779
Dudu Ok, F. Ahmed, Mohit Agnihotri, C. Cavdar
This paper focuses on the design of self-organizing algorithms for mesh topology formation between low-power short-range heterogeneous devices. To this end, we consider randomly deployed devices that are heterogeneous in terms of characteristics such as energy source (e.g. mains, rechargeable battery, and coin-cell), computational resources, and communication capabilities. Resilient topology formation is considered in a Bluetooth based setting, where devices communicate locally to form pico-nets comprising of devices in master and slave roles. These pico-nets are connected via primary and secondary bridges that forward the traffic between the pico-nets. A role suitability metric based on the device characteristics (e.g. energy source and number of neighbors) is used to assign appropriate roles to devices. By energy aware RSM based topology formation, more than 100% increase in network lifetime over the baseline approach is achieved. And by adding secondary bridges between piconets ≈ 35% further increase in network lifetime is shown.
本文重点研究了小功率近距离异构器件间网格拓扑形成的自组织算法设计。为此,我们考虑随机部署的设备,这些设备在能源(例如电源、可充电电池和硬币电池)、计算资源和通信能力等特征方面是异构的。在基于蓝牙的设置中,考虑弹性拓扑形成,其中设备在本地通信以形成由主设备和从设备组成的微型网络。这些微网通过主网桥和辅助网桥连接,转发微网之间的流量。基于设备特征的角色适用性度量(例如,能量来源和邻居数量)用于为设备分配适当的角色。通过基于能量感知RSM的拓扑形成,可以实现比基线方法增加100%以上的网络生命周期。通过在微微网之间增加二次桥接,可以进一步增加约35%的网络寿命。
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引用次数: 5
A Reference Architecture for federating IoT infrastructures supporting semantic interoperability 支持语义互操作性的联合物联网基础设施的参考架构
Pub Date : 2017-06-12 DOI: 10.1109/EUCNC.2017.7980765
F. Carrez, Tarek Elsaleh, David Gómez, Luis Sánchez, J. Lanza, P. Grace
The Internet-of-Things (IoT) is unanimously identified as one of the main pillars of future smart scenarios. However, despite the growing number of IoT deployments, the majority of IoT applications tend to be self-contained, thereby forming vertical silos. Indeed, the ability to combine and synthesize data streams and services from diverse IoT platforms and testbeds, holds the promise to increase the potential of smart applications in terms of size, scope and targeted business context. This paper describes the system architecture for the FIESTA-IoT platform, whose main aim is to federate a large number of testbeds across the planet, in order to offer experimenters the unique experience of dealing with a large number of semantically interoperable data sources. This system architecture was developed by following the Architectural Reference Model (ARM) methodology promoted by the IoT-A project (FP7 “light house” project on Architecture for the Internet of Things). Through this process, the FIESTA-IoT architecture is composed of a set of Views that deals with a “logical” functional decomposition (Functional View, FV) and data structuring and annotation, data flows and inter-functional component interactions (Information View, IV).
物联网(IoT)被一致认为是未来智能场景的主要支柱之一。然而,尽管物联网部署的数量不断增加,但大多数物联网应用往往是独立的,从而形成了垂直的孤岛。事实上,结合和综合来自不同物联网平台和测试平台的数据流和服务的能力,有望在规模、范围和目标业务环境方面增加智能应用的潜力。本文描述了fista - iot平台的系统架构,其主要目的是联合全球的大量测试平台,以便为实验人员提供处理大量语义互操作数据源的独特体验。该系统架构是按照IoT-A项目(FP7物联网架构“灯塔”项目)推广的架构参考模型(ARM)方法开发的。通过这个过程,fista - iot架构由一组视图组成,这些视图处理“逻辑”功能分解(功能视图,FV)和数据结构和注释、数据流和功能间组件交互(信息视图,IV)。
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引用次数: 26
A flexible and reconfigurable 5G networking architecture based on context and content information 基于上下文和内容信息的灵活可重构5G网络架构
Pub Date : 2017-06-12 DOI: 10.1109/EuCNC.2017.7980669
D. Sabella, P. Serrano, G. Stea, A. Virdis, I. Tinnirello, Fabrizio Giuliano, D. Garlisi, P. Vlacheas, P. Demestichas, V. Foteinos, N. Bartzoudis, M. Payaró, Arturo Medela
The need for massive content delivery is a consolidated trend in mobile communications, and will even increase for next years. Moreover, while 4G maturity and evolution is driven by video contents, next generation (5G) networks will be dominated by heterogeneous data and additional massive diffusion of Internet of Things (IoT). The current network architecture is not sufficient to cope with such traffic, which is heterogeneous in terms of latency and QoS requirements, and variable in space and time. This paper proposes architectural advances to endow the network with the necessary flexibility helping to adapt to these varying traffic needs by providing content and communication services where and when actually needed. Our functional hardware/software (HW/SW) architecture aims at influencing future system standardization and leverage the benefits of some key 5G networking enablers described in the paper. Preliminary results demonstrate the potential of these key technologies to support the evolution toward content-centric and context-aware 5G systems.
对海量内容交付的需求是移动通信的一个统一趋势,在未来几年甚至会增加。此外,虽然4G的成熟和发展是由视频内容驱动的,但下一代(5G)网络将以异构数据和物联网(IoT)的额外大规模扩散为主导。当前的网络架构不足以应对这种时延和QoS要求异构、空间和时间多变的流量。本文提出了架构上的改进,通过在实际需要的时间和地点提供内容和通信服务,赋予网络必要的灵活性,帮助适应这些不同的流量需求。我们的功能硬件/软件(HW/SW)架构旨在影响未来的系统标准化,并利用论文中描述的一些关键5G网络使能器的优势。初步结果表明,这些关键技术在支持向以内容为中心和情境感知的5G系统发展方面具有潜力。
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引用次数: 13
Pilot structure design to increase wireless channel capacity for high-speed railway 提高高速铁路无线信道容量的先导结构设计
Pub Date : 2017-06-12 DOI: 10.1109/EuCNC.2017.7980693
Yongyun Choi, Jae Hong Lee
In this paper, we design a pilot structure in an orthogonal frequency division multiplexing (OFDM) system for high-speed railway (HSR). Ergodic capacity is derived and its lower bound is obtained in closed form. Two schemes of pilot placement in time and frequency domains are proposed which maximizes the lower bound of the ergodic capacity. The ergodic capacities of the two proposed schemes are obtained by computer simulation and compared. It is shown that the proposed schemes achieve higher ergodic capacity than the random pilot placement scheme.
本文设计了高速铁路正交频分复用(OFDM)系统中的导频结构。导出了遍历容量,并以封闭形式得到了遍历容量的下界。在时域和频域提出了两种使遍历能力下界最大化的导频放置方案。通过计算机仿真比较了两种方案的遍历能力。结果表明,该方案比随机导频方案具有更高的遍历能力。
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引用次数: 2
On the performance of ultra-reliable decode and forward relaying under the finite blocklength 有限块长下的超可靠解码和转发性能研究
Pub Date : 2017-06-12 DOI: 10.1109/EuCNC.2017.7980736
Parisa Nouri, H. Alves, M. Latva-aho
In this paper, we examine the performance of the decode-and-forward (DF) relaying protocols with finite blocklength (FB). We provide the overall outage probability of three distinct DF relaying protocols, where the channels are assumed to be quasi static Rayleigh fading. More importantly, we derive the closed form expressions of the outage probability in the three relaying scenarios. We illustrate protocols where the cooperative communications outperform the direct transmission (DT). In addition, we compare the operating efficiency of the cooperative schemes in the ultra-reliable (UR) region.
在本文中,我们研究了有限块长度(FB)的解码转发(DF)中继协议的性能。我们提供了三种不同的DF中继协议的总体中断概率,其中信道被假设为准静态瑞利衰落。更重要的是,我们推导了三种继电情况下停电概率的封闭形式表达式。我们举例说明了协作通信优于直接传输(DT)的协议。此外,我们还比较了各合作方案在超可靠(UR)区域的运行效率。
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引用次数: 9
5G case study of Internet of Skills: Slicing the human senses 5G技能互联网案例研究:切片人类感官
Pub Date : 2017-06-12 DOI: 10.1109/EuCNC.2017.7980762
M. Lema, Konstantinos Antonakoglou, Fragkiskos Sardis, Nantachai Sornkarn, M. Condoluci, Toktam Mahmoodi, M. Dohler
5G is all about integrating new industries in the design of this whole new generation, where the mobile broadband connection is not the one and only use case on focus. Within the umbrella of 5G, other technologies are brought to the surface enabling new ways of communication with unprecedented effects on many sectors of society such as healthcare. This article focuses on a practical implementation of a medical-oriented Internet of Skills application, where the doctor is able to perform remote diagnosis and palpation with the use of cutting edge haptic technology. We present an examination of the main medical socio-economic drivers, as well as the description of specific technologies used in this practical demonstration. All this, with the main objective of delivering a proof of concept for the design and planning of multi-modal communications in 5G.
5G就是在新一代的设计中整合新行业,移动宽带连接不是唯一关注的用例。在5G的保护伞下,其他技术浮出水面,实现了新的通信方式,对医疗保健等社会许多领域产生了前所未有的影响。本文重点介绍了一个面向医疗的技能互联网应用的实际实现,其中医生能够使用尖端的触觉技术进行远程诊断和触诊。我们提出了主要的医疗社会经济驱动因素的检查,以及在这个实际演示中使用的具体技术的描述。所有这一切的主要目标是为5G多模态通信的设计和规划提供概念验证。
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引用次数: 22
Energy efficient optimization of a sleep mode strategy in heterogeneous cellular networks 异构蜂窝网络中睡眠模式策略的能效优化
Pub Date : 2017-06-12 DOI: 10.1109/EuCNC.2017.7980740
M. Dolfi, S. Morosi, C. Cavdar, E. D. Re
As base stations (BS) are responsible for the large amount of energy consumed in cellular networks, energy efficient BS sleep mode techniques have the potential to save a significant amount of energy. However, assuming that BSs are able to alternate between sleeping and active states as frequently as possible may have a negative impact on network reliability, shortening BS lifetime. In this paper we propose a multiobjective optimization framework aimed at minimizing the power consumption and number of BS sleep mode switchings in heterogeneous cellular networks (HetNet), by jointly considering Quality of Service (QoS) requirements. We focus on the HetNet scenario in which macro and micro cells coexist. The Mixed Integer Quadratic Programming (MIQP) optimization technique is used to minimize the power consumption together with the number of BS sleep mode operations of both macro and micro cells. The trade-off between power consumption, sleep mode switchings and performance of the network is shown for different energy saving solutions. Results show that the proposed optimization can guarantee QoS target throughput for users and significant reduction of 50% for macro and 73% for micro BS respectively daily number of switchings, while still achieving 8% savings in terms of daily energy consumption.
由于基站(BS)在蜂窝网络中消耗了大量的能量,因此节能的BS睡眠模式技术有可能节省大量的能量。但是,假设BS能够尽可能频繁地在睡眠和活动状态之间交替,可能会对网络可靠性产生负面影响,缩短BS的生命周期。在本文中,我们提出了一个多目标优化框架,旨在通过联合考虑服务质量(QoS)要求,最大限度地减少异构蜂窝网络(HetNet)中BS睡眠模式切换的功耗和数量。我们关注的是宏、微单元共存的HetNet场景。采用混合整数二次规划(MIQP)优化技术,最大限度地减少宏、微单元的功耗和BS睡眠模式操作次数。对于不同的节能解决方案,显示了功耗、睡眠模式切换和网络性能之间的权衡。结果表明,所提出的优化方案能够保证用户的QoS目标吞吐量,宏BS和微BS的日交换次数分别显著减少50%和73%,同时仍能实现8%的日能耗节约。
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引用次数: 5
The Implementation of wideband Cyclostationary Feature Detector with receiver constraints 具有接收机约束的宽带环平稳特征检测器的实现
Pub Date : 2017-06-12 DOI: 10.1109/EuCNC.2017.7980722
I. Anyim, J. Chiverton, M. Filip, A. Tawfik
Cognitive radio system is a context-aware technology in communications. Spectrum sensing is an important function in the implementation of cognitive radio systems by detecting the presence or absence of primary users within the frequency spectrum and makes available free channels for secondary users. Cyclostationary Feature Detector is capable of detecting signals at low signal to noise ratios relying on the signals features such as cyclic frequency, symbol rate, carrier frequency and modulation type. Local oscillator frequency offsets, Doppler effects and jitter produce cyclic and sampling clock offsets at the receiver which will degrade the performance. We propose a multi-slot cyclostationary feature detector that reduces the effects of the offsets by deriving the pair of slot and fast Fourier transform sizes that can be used for implementation. Consequently, this pair was used to show that these offsets can be reduced and also compared the detection performance scenarios with and without offsets.
认知无线电系统是一种环境感知通信技术。频谱感知是实现认知无线电系统的一项重要功能,它通过检测频谱内主要用户的存在或不存在,并为次要用户提供免费信道。环平稳特征检测器是一种基于信号的循环频率、符号率、载波频率和调制类型等特征,能够检测低信噪比信号的检测器。本振频率偏移、多普勒效应和抖动在接收机上产生循环和采样时钟偏移,这将降低性能。我们提出了一种多槽循环平稳特征检测器,通过推导可用于实现的槽和快速傅里叶变换大小对来减少偏移的影响。因此,使用这对来证明这些偏移可以减少,并比较了有和没有偏移的检测性能场景。
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引用次数: 4
On implementing RRM/SON in virtualized multi-tenant small cell networks 虚拟多租户小型蜂窝网络中RRM/SON的实现
Pub Date : 2017-06-12 DOI: 10.1109/EuCNC.2017.7980668
J. Pérez-Romero, O. Sallent, R. Ferrús, R. Agustí
This paper addresses the implementation of Radio Resource Management (RRM) and Self-Organizing Networks (SON) functions in virtualized multi-tenant small cell networks. In this context, the deployment and operation of RRM/SON functions as virtualized services facilitates the customization of the Radio Access Network (RAN) on a per-tenant basis. Specifically, this paper develops the architectural and functional framework for virtualizing RRM/SON functions, together with the illustration of some examples assessing the orders of magnitude of the requirements of the involved Virtual Network Functions (VNF).
本文讨论了在虚拟多租户小型蜂窝网络中无线电资源管理(RRM)和自组织网络(SON)功能的实现。在这种情况下,RRM/SON功能作为虚拟化服务进行部署和操作,有助于在每个租户的基础上定制无线接入网(RAN)。具体来说,本文开发了虚拟化RRM/SON功能的体系结构和功能框架,并举例说明了所涉及的虚拟网络功能(VNF)需求的数量级。
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引用次数: 1
System analysis and design of mmW mobile backhaul transceiver at 28 GHz 28ghz毫米波移动回程收发器系统分析与设计
Pub Date : 2017-06-12 DOI: 10.1109/EuCNC.2017.7980768
G. Destino, O. Kursu, S. Tammelin, Jari Haukipuro, M. Sonkki, T. Rahkonen, A. Pärssinen, M. Latva-aho, Aki Korvala, Marko Pettissalo
In the next generation of mobile network, 5G, mm-wave (mmW) communication is considered one of the main disruptive technologies to increase data rates and improve spectrum efficiency. Wireless backhaul with stationary or moving nodes is one of the best candidate use-cases. This paper provides a comprehensive analysis on the architecture and design of mmW transceiver with automatic gain control (AGC) for mobility management. The focus is on the RF component requirements, especially, power amplifiers, low-noise amplifier and antennas as well as on their impact on the link-budget. Results are provided based on real figures of commercial components.
在下一代移动网络5G中,毫米波通信被认为是提高数据速率和提高频谱效率的主要颠覆性技术之一。具有固定或移动节点的无线回程是最佳候选用例之一。本文全面分析了用于移动性管理的毫米波自动增益控制(AGC)收发器的结构和设计。重点是射频组件的要求,特别是功率放大器、低噪声放大器和天线,以及它们对链路预算的影响。结果是基于商用部件的实际数据提供的。
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引用次数: 17
期刊
2017 European Conference on Networks and Communications (EuCNC)
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