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Publisher: Institute of Electrical and Electronics Engineers (IEEE)   (Total: 172 journals)

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Aerospace and Electronic Systems, IEEE Transactions on     Hybrid Journal   (Followers: 50, SJR: 1.377, h-index: 78)
Affective Computing, IEEE Transactions on     Hybrid Journal   (Followers: 6, SJR: 1.967, h-index: 8)
Autonomous Mental Development, IEEE Transactions on     Hybrid Journal   (Followers: 5)
Biomedical Engineering, IEEE Reviews in     Full-text available via subscription   (Followers: 14, SJR: 0.592, h-index: 10)
Biomedical Engineering, IEEE Transactions on     Hybrid Journal   (Followers: 11, SJR: 0.789, h-index: 107)
Broadcasting, IEEE Transactions on     Hybrid Journal   (Followers: 5, SJR: 1.95, h-index: 49)
Canadian J. of Electrical and Computer Engineering     Full-text available via subscription   (Followers: 4)
China Communications     Full-text available via subscription   (Followers: 1, SJR: 0.207, h-index: 5)
Communications and Networks, J. of     Hybrid Journal   (Followers: 2, SJR: 0.418, h-index: 21)
Components, Packaging and Manufacturing Technology, IEEE Transactions on     Hybrid Journal   (Followers: 7, SJR: 0.535, h-index: 8)
Computational Intelligence and AI in Games, IEEE Transactions on     Hybrid Journal   (Followers: 9)
Computer     Full-text available via subscription   (Followers: 25)
Computing in Science & Engineering     Full-text available via subscription   (Followers: 10, SJR: 0.706, h-index: 34)
Control Systems     Hybrid Journal   (Followers: 18)
Embedded Systems Letters, IEEE     Hybrid Journal   (Followers: 14)
Emerging and Selected Topics in Circuits and Systems     Hybrid Journal   (Followers: 3)
Geoscience and Remote Sensing, IEEE Transactions on     Hybrid Journal   (Followers: 19, SJR: 2.206, h-index: 125)
Haptics, IEEE Transactions on     Hybrid Journal   (Followers: 4, SJR: 0.864, h-index: 15)
IEEE Access     Open Access   (Followers: 1)
IEEE Aerospace and Electronic Systems Magazine     Full-text available via subscription   (Followers: 33, SJR: 0.434, h-index: 32)
IEEE Annals of the History of Computing     Full-text available via subscription   (Followers: 9, SJR: 0.306, h-index: 11)
IEEE Antennas and Propagation Magazine     Hybrid Journal   (Followers: 13, SJR: 0.898, h-index: 52)
IEEE Antennas and Wireless Propagation Letters     Hybrid Journal   (Followers: 11, SJR: 1.551, h-index: 46)
IEEE Circuits and Systems Magazine     Full-text available via subscription   (Followers: 17, SJR: 0.987, h-index: 28)
IEEE Communications Letters     Hybrid Journal   (Followers: 12, SJR: 1.371, h-index: 90)
IEEE Communications Magazine     Full-text available via subscription   (Followers: 17, SJR: 4.919, h-index: 130)
IEEE Communications Surveys & Tutorials     Hybrid Journal   (Followers: 8, SJR: 5.903, h-index: 27)
IEEE Computational Intelligence Magazine     Full-text available via subscription   (Followers: 9, SJR: 2.329, h-index: 22)
IEEE Computer Architecture Letters     Hybrid Journal   (Followers: 13, SJR: 0.444, h-index: 12)
IEEE Computer Graphics and Applications     Full-text available via subscription   (Followers: 7, SJR: 0.917, h-index: 57)
IEEE Consumer Electronics Magazine     Full-text available via subscription   (Followers: 7)
IEEE Control Systems Magazine     Full-text available via subscription   (Followers: 12, SJR: 1.665, h-index: 67)
IEEE Design & Test     Full-text available via subscription   (Followers: 9)
IEEE Distributed Systems Online     Full-text available via subscription   (Followers: 5)
IEEE Electrical Insulation Magazine     Full-text available via subscription   (Followers: 6, SJR: 0.792, h-index: 36)
IEEE Electromagnetic Compatibility Magazine     Full-text available via subscription   (Followers: 2)
IEEE Electron Device Letters     Full-text available via subscription   (Followers: 5, SJR: 1.859, h-index: 98)
IEEE Engineering in Medicine and Biology Magazine     Full-text available via subscription   (Followers: 5)
IEEE Engineering Management Review     Full-text available via subscription   (Followers: 9, SJR: 0.102, h-index: 9)
IEEE Geoscience and Remote Sensing Letters     Hybrid Journal   (Followers: 15, SJR: 1.221, h-index: 40)
IEEE Industrial Electronics Magazine     Full-text available via subscription   (Followers: 9, SJR: 2.804, h-index: 20)
IEEE Industry Applications Magazine     Full-text available via subscription   (Followers: 4, SJR: 0.575, h-index: 33)
IEEE Instrumentation & Measurement Magazine     Full-text available via subscription   (Followers: 13, SJR: 0.237, h-index: 24)
IEEE Intelligent Systems     Full-text available via subscription   (Followers: 18, SJR: 1.721, h-index: 71)
IEEE Internet Computing     Full-text available via subscription   (Followers: 12, SJR: 1.377, h-index: 70)
IEEE J. of Biomedical and Health Informatics     Hybrid Journal   (Followers: 8)
IEEE J. of Emerging and Selected Topics in Power Electronics     Hybrid Journal   (Followers: 3)
IEEE J. of Oceanic Engineering     Hybrid Journal   (Followers: 5, SJR: 0.66, h-index: 58)
IEEE J. of Quantum Electronics     Hybrid Journal   (Followers: 12, SJR: 1.238, h-index: 92)
IEEE J. of Selected Topics in Quantum Electronics     Hybrid Journal   (Followers: 4, SJR: 2.409, h-index: 104)
IEEE J. of Selected Topics in Signal Processing     Hybrid Journal   (Followers: 9, SJR: 2.967, h-index: 36)
IEEE J. of Solid-State Circuits     Full-text available via subscription   (Followers: 9, SJR: 5.021, h-index: 133)
IEEE J. of the Electron Devices Society     Open Access   (Followers: 1)
IEEE J. of Translational Engineering in Health and Medicine     Open Access   (Followers: 1)
IEEE J. on Selected Areas in Communications     Hybrid Journal   (Followers: 6, SJR: 4.166, h-index: 155)
IEEE Latin America Transactions     Full-text available via subscription   (Followers: 1, SJR: 0.242, h-index: 5)
IEEE Micro     Full-text available via subscription   (Followers: 4, SJR: 2.127, h-index: 61)
IEEE Microwave and Wireless Components Letters     Hybrid Journal   (Followers: 5, SJR: 2.302, h-index: 81)
IEEE Microwave Magazine     Full-text available via subscription   (Followers: 8, SJR: 0.911, h-index: 35)
IEEE Multimedia     Full-text available via subscription   (Followers: 7, SJR: 0.639, h-index: 43)
IEEE Network     Full-text available via subscription   (Followers: 9, SJR: 2.363, h-index: 73)
IEEE Pervasive Computing     Full-text available via subscription   (Followers: 11, SJR: 1.138, h-index: 62)
IEEE Photonics Technology Letters     Hybrid Journal   (Followers: 4, SJR: 1.469, h-index: 102)
IEEE Potentials     Full-text available via subscription   (Followers: 2, SJR: 0.134, h-index: 17)
IEEE Power and Energy     Full-text available via subscription   (Followers: 8, SJR: 1.185, h-index: 41)
IEEE Power Electronics Magazine     Full-text available via subscription  
IEEE Revista Iberoamericana de Tecnologias del Aprendizaje     Hybrid Journal   (Followers: 1)
IEEE Robotics & Automation Magazine     Full-text available via subscription   (Followers: 20, SJR: 1.571, h-index: 44)
IEEE Security & Privacy Magazine     Full-text available via subscription   (Followers: 13, SJR: 0.824, h-index: 39)
IEEE Sensors J.     Hybrid Journal   (Followers: 27, SJR: 0.667, h-index: 49)
IEEE Signal Processing Letters     Hybrid Journal   (Followers: 8, SJR: 1.587, h-index: 74)
IEEE Signal Processing Magazine     Full-text available via subscription   (Followers: 21, SJR: 2.467, h-index: 98)
IEEE Software     Full-text available via subscription   (Followers: 30, SJR: 1.255, h-index: 67)
IEEE Spectrum     Full-text available via subscription   (Followers: 22, SJR: 0.189, h-index: 42)
IEEE Systems J.     Hybrid Journal   (Followers: 6, SJR: 0.674, h-index: 14)
IEEE Technology and Society Magazine     Full-text available via subscription   (Followers: 2, SJR: 0.243, h-index: 15)
IEEE Transactions on Advanced Packaging     Full-text available via subscription   (Followers: 5)
IEEE Transactions on Antennas and Propagation     Full-text available via subscription   (Followers: 9, SJR: 2.102, h-index: 108)
IEEE Transactions on Applied Superconductivity     Hybrid Journal   (Followers: 1, SJR: 0.515, h-index: 49)
IEEE Transactions on Audio, Speech, and Language Processing     Hybrid Journal   (Followers: 9)
IEEE Transactions on Automatic Control     Hybrid Journal   (Followers: 19, SJR: 5.459, h-index: 162)
IEEE Transactions on Automation Science and Engineering     Full-text available via subscription   (Followers: 8, SJR: 1.389, h-index: 30)
IEEE Transactions on Biomedical Circuits and Systems     Hybrid Journal   (Followers: 5, SJR: 1.508, h-index: 25)
IEEE Transactions on Circuits and Systems for Video Technology     Hybrid Journal   (Followers: 3, SJR: 1.835, h-index: 115)
IEEE Transactions on Circuits and Systems I: Regular Papers     Hybrid Journal   (Followers: 9, SJR: 1.803, h-index: 59)
IEEE Transactions on Circuits and Systems II: Express Briefs     Hybrid Journal   (Followers: 9)
IEEE Transactions on Cloud Computing     Hybrid Journal   (Followers: 5)
IEEE Transactions on Communications     Hybrid Journal   (Followers: 8, SJR: 2.696, h-index: 141)
IEEE Transactions on Components and Packaging Technologies     Full-text available via subscription   (Followers: 7)
IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems     Hybrid Journal   (Followers: 3, SJR: 1.185, h-index: 78)
IEEE Transactions on Computers     Hybrid Journal   (Followers: 16, SJR: 1.292, h-index: 75)
IEEE Transactions on Consumer Electronics     Hybrid Journal   (Followers: 10, SJR: 0.832, h-index: 63)
IEEE Transactions on Control Systems Technology     Hybrid Journal   (Followers: 16, SJR: 2.066, h-index: 77)
IEEE Transactions on Cybernetics     Hybrid Journal   (Followers: 7)
IEEE Transactions on Dependable and Secure Computing     Hybrid Journal   (Followers: 9, SJR: 1.114, h-index: 32)
IEEE Transactions on Device and Materials Reliability     Hybrid Journal   (Followers: 7, SJR: 0.776, h-index: 40)
IEEE Transactions on Dielectrics and Electrical Insulation     Hybrid Journal   (Followers: 3, SJR: 0.665, h-index: 64)
IEEE Transactions on Education     Hybrid Journal   (Followers: 3, SJR: 0.672, h-index: 40)
IEEE Transactions on Electromagnetic Capability     Hybrid Journal   (Followers: 9, SJR: 1.064, h-index: 53)
IEEE Transactions on Electron Devices     Hybrid Journal   (Followers: 6, SJR: 1.261, h-index: 112)

        1 2 | Last

IEEE Communications Magazine
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     ISSN (Print) 0163-6804
     Published by Institute of Electrical and Electronics Engineers (IEEE) Homepage  [172 journals]   [SJR: 4.919]   [H-I: 130]
  • IEEE Communications Magazine - Cover
    • Pages: c1 - c1
      Abstract: Displays front cover.
      PubDate: July 2014
      Issue No: Vol. 52, No. 7 (2014)
  • Activities in 2014 of the ComSoc Harbin chapter, China [July 2014 Global
           Communications Newsletter]
    • Authors: Meng; W.;
      Pages: 1 - 4
      Abstract: The IEEE Communications Society Harbin Chapter, PRC, was founded on 24 February, 2012. It has already been two years since approval. In the past year we have held many activities to make our community life much more colorful and acquire something that cannot be learned outside the activities at the same time. The activities are presented as follows.
      PubDate: July 2014
      Issue No: Vol. 52, No. 7 (2014)
  • Table of contents
    • Pages: 2 - 4
      Abstract: Presents the table of contents for this issue of this magazine.
      PubDate: July 2014
      Issue No: Vol. 52, No. 7 (2014)
  • A discussion on open access [The President's Page]
    • Authors: Benedetto; S.;Setti, G.;
      Pages: 6 - 9
      Abstract: The July President Page is hosting an article by Gianluca Setti on Open Access. Open Access is a hot topic among researchers, editors, and research funding institutions, and has reached the legislation level in several countries. It is also crucial for IEEE, an institution that receives most of its revenues from IPs related to archival publications. It is then a pleasure and, I think, a good service to ComSoc members to introduce Gianluca and his paper.
      PubDate: July 2014
      Issue No: Vol. 52, No. 7 (2014)
  • State of the communications society magazines [The Director of Magazines]
    • Authors: Gorshe; S.;
      Pages: 10 - 10
      Abstract: The three IEEE Communications Society magazines are all very healthy, especially in terms of the number of submissions, their impact factor, and the number of downloads from IEEE Xplore. IEEE Communications Magazine is quickly becoming the publication of record for the 5G wireless topics. I want to take this opportunity to update our Communications Society members and magazine subscribers on some of the new initiatives and activities that are in progress to further strengthen our magazines.
      PubDate: July 2014
      Issue No: Vol. 52, No. 7 (2014)
  • Book reviews [2 books reviewed]
    • Authors: Gozdecki; J.;Chmielecki, T.;
      Pages: 11 - 11
      Abstract: The following books are reviewed: Tactical Wireless Communications and Networks: Design Concepts and Challenges (Elmasry, G.F) and FISMA and the Risk Management Framework: The new Practice of Federal Cyber Security (Gantz, S.D. and Philpott, D.R.).
      PubDate: July 2014
      Issue No: Vol. 52, No. 7 (2014)
  • Energy-efficient cognitive radio networks [Guest Editorial]
    • Authors: Wang; S.;Granelli, F.;Li, Y.;Chen, S.;
      Pages: 12 - 13
      Abstract: Spectrum efficiency and energy efficiency are two critical issues for wireless communication networks. As a promising paradigm to improve spectrum usage efficiency, much attention has been paid to cognitive radio (CR) in both academia and industry since it was introduced more than 10 years ago. On the other hand, fast growing wireless applications are consuming more and more energy, and pose big challenges to operators in terms of energy footprint. However, few discussions were held on the energy efficiency issue in CR networks (CRNs) until recently. Actually, energy efficiency is of crucial importance for a CR scenario compared to non-CR ones because it not only involves the greenhouse problem and operational expenditure, but is a prerequisite to achieve high utilization of the limited transmission power consumed to support additional signal processing requirements for the CR system, such as spectrum sensing and signal overhead. Optimizing the energy efficiency of CRNs not only reduces the environmental impact, but also cuts deployment costs to enable economical green wireless networks.
      PubDate: July 2014
      Issue No: Vol. 52, No. 7 (2014)
  • Energy-efficient non-cooperative cognitive radio networks: micro, meso,
           and macro views
    • Authors: Jiang; C.;Zhang, H.;Ren, Y.;Chen, H.-H.;
      Pages: 14 - 20
      Abstract: Cognitive radio technology can significantly improve spectrum utilization efficiency via enabling secondary users to access licensed spectrum dynamically without harmful interference to primary users. Most existing works on cognitive radio networks were focused on enhancing spectrum efficiency using spectrum sensing, spectrum sharing, and network deployment schemes. However, the energy efficiency issue was largely ignored. Thus, the dilemma between high energy consumption by fast-growing wireless communications and fewer global energy resources has motivated research on energy-efficient cognitive radio networks for enhancing spectrum efficiency and energy efficiency simultaneously. In this article, we overview energyefficient non-cooperative cognitive radio networks from the micro, meso, and macro perspectives, where the micro view means how to design energy-efficient spectrum sensing algorithms for each individual secondary user, the meso view means how to coordinate non-cooperative secondary users to share spectrum efficiently, and the macro view means how to deploy cognitive radio networks in an energy-efficient approach.
      PubDate: July 2014
      Issue No: Vol. 52, No. 7 (2014)
  • Energy-efficient user association in cognitive heterogeneous networks
    • Authors: Mesodiakaki; A.;Adelantado, F.;Alonso, L.;Verikoukis, C.;
      Pages: 22 - 29
      Abstract: Due to the ever increasing data traffic demands, which are directly connected to increased energy consumption, it becomes challenging for operators to achieve capacity enhancement while limiting their electric bill. To that end, exploiting the context awareness of future cognitive networks is expected to play a key role. Next generation cellular networks are about to include a plethora of small cells, with users being able to communicate via multiple bands. Given that small cells are expected to be eventually as close as 50 m apart, not all of them will have a direct connection to the core network; thus, multihop communication through neighboring small cells may be required. In such architectures, the user association problem becomes challenging, with backhaul energy consumption being a definitive parameter. Thus, in this article, we study the user association problem in cognitive heterogeneous networks. We evaluate the existing approaches in terms of energy efficiency and show the potential of exploiting the available context-aware information (i.e., users?? measurements and requirements, knowledge of the network architecture, and the available spectrum resources of each base station) to associate the users in an energyefficient way, while maintaining high spectrum efficiency. Our study considers both the access network and backhaul energy consumption, while the performance of the association algorithms is evaluated under two different case study scenarios
      PubDate: July 2014
      Issue No: Vol. 52, No. 7 (2014)
  • Energy efficiency is a subtle concept: fundamental trade-offs for
           cognitive radio networks
    • Authors: Eryigit; S.;Gur, G.;Bayhan, S.;Tugcu, T.;
      Pages: 30 - 36
      Abstract: This article discusses the implications of facilitating higher energy efficiency in cognitive radio networks from the perspective of fundamental trade-offs (i.e., what needs to be sacrificed to be energy-efficient). These trade-offs are identified as QoS, fairness, PU interference, network architecture, and security, which are also essential network design dimensions. We analyze these dimensions and their interactions focusing on energy efficiency. Furthermore, future research directions related to the integration of CRN with other networking paradigms and energy efficiency are introduced and discussed.
      PubDate: July 2014
      Issue No: Vol. 52, No. 7 (2014)
  • Spectrum- and energy-efficient D2DWRAN
    • Authors: Shi; H.;Prasad, R.V.;Rao, V.S.;Niemegeers, I.G.M.M.;Xu, M.;
      Pages: 38 - 45
      Abstract: IEEE 802.22 is the first world-wide standard for wireless regional area networks using cognitive radio technologies. Major drawbacks of these networks are limited network capacity and low energy efficiency. One potential solution for these drawbacks is device-to-device communication, which can be incorporated as D2DWRAN. D2DWRAN features direct intracell communication, reuse of channels, and use of multiple operating channels. In this article, we mainly discuss energy-efficient spectrum sharing in D2DWRAN. We explicate a mechanism to increase energy efficiency for long distance links using relays. Along with energy, channel utilization and fairness are also considered while choosing relays. Thus, significant improvement in both network capacity and energy efficiency can be achieved. The schemes discussed here can also be used in other D2D communication settings.
      PubDate: July 2014
      Issue No: Vol. 52, No. 7 (2014)
  • Cognitive radio in 5G: a perspective on energy-spectral efficiency
    • Authors: Hong; X.;Wang, J.;Wang, C.-X.;Shi, J.;
      Pages: 46 - 53
      Abstract: A cognitive cellular network, which integrates conventional licensed cellular radio and cognitive radio into a holistic system, is a promising paradigm for the fifth generation mobile communication systems. Understanding the trade-off between energy efficiency, EE, and spectral efficiency, SE, in cognitive cellular networks is of fundamental importance for system design and optimization. This article presents recent research progress on the EE-SE trade-off of cognitive cellular networks. We show how EE-SE trade-off studies can be performed systematically with respect to different architectures, levels of analysis, and capacity metrics. Three representative examples are given to illustrate how EE-SE trade-off analysis can lead to important insights and useful design guidelines for future cognitive cellular networks.
      PubDate: July 2014
      Issue No: Vol. 52, No. 7 (2014)
  • Energy-efficient NC-OFDM/OQAM-based cognitive radio networks
    • Authors: Jiang; T.;Ni, C.;Qu, D.;Wang, C.;
      Pages: 54 - 60
      Abstract: With the explosive growth of wireless multimedia applications and the demand for high data rate, improving the spectrum and energy efficiencies have been two most critical challenges for wireless communication networks under the background of limited spectrum and energy resources. Cognitive radio and OFDM/OQAM have emerged as two exciting technologies to solve the spectrum scarcity in future cellular networks; thus, energy-efficient communications have attracted increasing attention in cognitive radio networks. In this article, we consider how to make an energy-efficient physical layer design for non-contiguous (NC) OFDM/OQAM-based cognitive radio networks. Specifically, we propose a criterion on how to reduce the high PAPR of NC-OFDM/OQAM signals to achieve high power efficiency. The key idea of the proposed criterion is to jointly reduce the PAPR and suppress the sidelobe in NCOFDM/ OQAM-based CR systems. Extensive simulation results verify that the proposed criterion can provide both significant PAPR reduction and sidelobe suppression, resulting in prominent improvement of energy efficiency in NC-OFDM/OQAM-based cognitive radio networks
      PubDate: July 2014
      Issue No: Vol. 52, No. 7 (2014)
  • Visible light communications: the road to standardization and
           commercialization (Part 2) [Guest Editorial]
    • Authors: Hranilovic; S.;Lampe, L.;Hosur, S.;Roberts, R.D.;
      Pages: 62 - 63
      Abstract: Visible light communications (VLC) has a long history dating back to ancient signal fires, followed by the 1880 Alexander Graham Bell photophone, which transmitted speech wirelessly using modulated reflected sunlight. But it was the emergence of solid state light sources that sparked the imagination of researchers, such as those at Nakagawa Laboratories at Keio University around the turn of the 21st century, to demonstrate that solid state light sources could be used for secondary purposes such as data transmission and positioning.
      PubDate: July 2014
      Issue No: Vol. 52, No. 7 (2014)
  • An illumination perspective on visible light communications
    • Authors: Tsiatmas; A.;Baggen, C.P.M.J.;Willems, F.M.J.;Linnartz, J.-P.M.G.;Bergmans, J.W.M.;
      Pages: 64 - 71
      Abstract: Visible light communications are the offspring of well studied infrared wireless systems and can form a promising enhancement of future illumination infrastructures with communication functionalities. However, supporting data rates of hundreds of megabits per second cannot come for free with respect to lighting system costs. This article addresses the limitations that lighting requirements impose on VLC systems in terms of modulation bandwidth, received power, and cost constraints. The achievable data rates of joint VLC and illumination systems are discussed, and examples of possible applications are provided.
      PubDate: July 2014
      Issue No: Vol. 52, No. 7 (2014)
  • Connecting networks of toys and smartphones with visible light
    • Authors: Corbellini; G.;Aksit, K.;Schmid, S.;Mangold, S.;Gross, T.R.;
      Pages: 72 - 78
      Abstract: Light emitting diodes are low-cost and energy- efficient. They are replacing incandescent bulbs as the primary source of illumination in residential and public environments. The brightness of LEDs can be modulated at a high rate, which enables the combination of illumination and wireless communication, imperceptible to humans. Such systems using LEDs as transceivers are called visible light communication systems. LEDs have also been extensively used in consumer electronics such as toys and smartphones, but primarily for reasons other than communication. We show various use cases of devices connected with VLC. Since LEDs can also be used as light receivers in VLC systems, adding microcontrollers to devices (if not already embedded) enables low-cost implementation of a wireless communication interface with VLC. This article reports on experience with several prototypes of practical VLC systems.
      PubDate: July 2014
      Issue No: Vol. 52, No. 7 (2014)
  • Rapid prototyping of standard-compliant visible light communications
    • Authors: Gavrincea; C.G.;Baranda, J.;Henarejos, P.;
      Pages: 80 - 87
      Abstract: This article describes the implementation of a prototype visible light communications system based on the IEEE 802.15.7 standard using lowcost commercial off-the-shelf analog devices. The aim of this article is to show that this standard provides a framework that could promote the introduction of applications into the market. Thus, these specifications could be further developed, reducing the gap between the industry and research communities. The implemented prototype makes use of software defined radio platforms to interface between the analog devices and the computer where the signal processing is performed. The use of this concept provides the system with enough flexibility and modularity to include new features in the prototype without requiring long development time.
      PubDate: July 2014
      Issue No: Vol. 52, No. 7 (2014)
  • Image-sensor-based visible light communication for automotive applications
    • Authors: Yamazato; T.;Takai, I.;Okada, H.;Fujii, T.;Yendo, T.;Arai, S.;Andoh, M.;Harada, T.;Yasutomi, K.;Kagawa, K.;Kawahito, S.;
      Pages: 88 - 97
      Abstract: The present article introduces VLC for automotive applications using an image sensor. In particular, V2I-VLC and V2V-VLC are presented. While previous studies have documented the effectiveness of V2I and V2V communication using radio technology in terms of improving automotive safety, in the present article, we identify characteristics unique to image-sensor-based VLC as compared to radio wave technology. The two primary advantages of a VLC system are its line-of-sight feature and an image sensor that not only provides VLC functions, but also the potential vehicle safety applications made possible by image and video processing. Herein, we present two ongoing image-sensor-based V2I-VLC and V2VVLC projects. In the first, a transmitter using an LED array (which is assumed to be an LED traffic light) and a receiver using a high-framerate CMOS image sensor camera is introduced as a potential V2I-VLC system. For this system, real-time transmission of the audio signal has been confirmed through a field trial. In the second project, we introduce a newly developed CMOS image sensor capable of receiving highspeed optical signals and demonstrate its effectiveness through a V2V communication field trial. In experiments, due to the high-speed signal reception capability of the camera receiver using the developed image sensor, a data transmission rate of 10 Mb/s has been achieved, and image (320 ?? 240, color) reception has been confirmed together with simultaneous reception of various internal vehicle data, such as vehicle ID and speed.
      PubDate: July 2014
      Issue No: Vol. 52, No. 7 (2014)
  • VLC: Beyond point-to-point communication
    • Pages: 98 - 105
      Abstract: Due to the large growth of mobile communications over the past two decades, cellular systems have resorted to fuller and denser reuse of bandwidth to cope with the growing demand. On one hand, this approach raises the achievable system capacity. On the other hand, however, the increased interference caused by the dense spatial reuse inherently limits the achievable network throughput. Therefore, the spectral efficiency gap between users' demand and network capabilities is ever growing. Most recently, visible light communication has been identified as well equipped to provide additional bandwidth and system capacity without aggregating the interference in the mobile network. Furthermore, energy-efficient indoor lighting and the large amount of indoor traffic can be combined inherently. In this article, VLC is examined as a viable and ready complement to RF indoor communications, and advancement toward future communications. Various application scenarios are discussed, presented with supporting simulation results, and the current technologies and challenges pertaining to VLC implementation are investigated. Finally, an overview of recent VLC commercialization is presented.
      PubDate: July 2014
      Issue No: Vol. 52, No. 7 (2014)
  • Network resilience with reusable management patterns
    • Authors: Schaeffer-Filho; A.;Smith, P.;Mauthe, A.;Hutchison, D.;
      Pages: 105 - 115
      Abstract: Troubleshooting of problems, such as attacks and misconfigurations, and ensuring the resilience of networks is a significant issue for network operators. It increasingly requires the management of a distributed, potentially multidomain, monitoring and detection infrastructure that can be used to direct mitigation strategies that make run-time adjustments to network mechanisms and services. This can be a complex task. In this article we describe an integrated framework for the design, evaluation, and deployment of network resilience strategies. These strategies describe the management behavior of a number of federated, policy-controlled resilience mechanisms, such as monitoring and detection systems. The framework allows the generalization of the most effective policy configurations into reusable management patterns, which can then be rapidly deployed in the network infrastructure.
      PubDate: July 2014
      Issue No: Vol. 52, No. 7 (2014)
  • Network and service management [Series Editorial]
    • Authors: Pavlou; G.;Schonwalder, J.;
      Pages: 106 - 107
      Abstract: This is the 17th issue of the series on Network and Service Management, which is published twice a year. Until 2012 it was published in July and December, but from 2013 onwards it has been published in January and July. The series provides articles on the latest developments in this well established discipline, highlighting recent research achievements and providing insight into both theoretical and practical issues related to the evolution of the discipline from different perspectives. The series provides a forum for the publication of both academic and industrial research, addressing the state of the art, theory, and practice in network and service management.
      PubDate: July 2014
      Issue No: Vol. 52, No. 7 (2014)
  • Design considerations for managing wide area software defined networks
    • Authors: Ahmed; R.;Boutaba, R.;
      Pages: 116 - 123
      Abstract: SDN has the potential to simplify network configuration and reduce management complexity. In today??s networks control and forwarding functions are tightly coupled and embedded within each switch/router. SDN, in contrast, accumulates the control functionality in one or more dedicated network entities called controllers, which provide a unified interface to configure and control the network. Packet forwarding, on the other hand, remains the responsibility of the switches/routers. Many datacenter networks have benefited from the abstraction provided by SDN. However, in a Wide Area Network (WAN) a single controller becomes a performance bottleneck. Multiple controller solutions are proposed as a natural consequence. In this article we present the requirements, design alternatives, and a possible management architecture for a single administrative domain WA-SDN. We also discuss the functional components that should be present in a multi-controller architecture for managing WA-SDN deployments.
      PubDate: July 2014
      Issue No: Vol. 52, No. 7 (2014)
  • Behavior-based intrusion detection in encrypted environments
    • Authors: Koch; R.;Golling, M.;Rodosek, G.D.;
      Pages: 124 - 131
      Abstract: In recent years the Internet has evolved into a critical communication infrastructure that is omnipresent in almost all aspects of our daily life. This dependence of modern societies on the Internet has also resulted in more criminals using the Internet for their purposes, causing a steady increase of attacks, both in terms of quantity as well as quality. Although research on the detection of attacks has been performed for several decades, today??s systems are not able to cope with modern attack vectors. One of the reasons is the increasing use of encrypted communication that strongly limits the detection of malicious activities. While encryption provides a number of significant advantages for the end user like, for example, an increased level of privacy, many classical approaches of intrusion detection fail. Since it is typically not possible to decrypt the traffic, performing analysis w.r.t. the presence of certain patterns is almost impossible. To overcome this shortcoming we present a new behavior-based detection architecture that uses similarity measurements to detect intrusions as well as insider activities like data exfiltration in encrypted environments.
      PubDate: July 2014
      Issue No: Vol. 52, No. 7 (2014)
  • Bad neighborhoods on the internet
    • Authors: Moura; G.C.M.;Sadre, R.;Pras, A.;
      Pages: 132 - 139
      Abstract: Analogous to the real world, sources of malicious activities on the Internet tend to be concentrated in certain networks instead of being evenly distributed. In this article we formally define and frame such areas as Internet Bad Neighborhoods. By extending the reputation of malicious IP addresses to their neighbors, the bad neighborhood approach ultimately enables attack prediction from unforeseen addresses. We investigate spam and phishing bad neighborhoods, and show how their underlying business models, counter-intuitively, influences the location of the neighborhoods (both geographically and in the IP addressing space). We also show how bad neighborhoods are highly concentrated at a few Internet Service Providers and discuss how our findings can be employed to improve current network and spam filters and incentivize botnet mitigation initiatives.
      PubDate: July 2014
      Issue No: Vol. 52, No. 7 (2014)
  • Ad hoc and sensor networks [Series Editorial]
    • Authors: Biagioni; E.;Giordano, S.;
      Pages: 140 - 140
      Abstract: Readers of this publication are undoubtedly familiar with the trade-offs involved in distributed vs. centralized forms of communication. The more centralized the communications, the easier it is to establish order and control, and also to make a profit. More distributed communication requires more resources, both for the communications itself, and especially to achieve consensus or any form of distributed decision making. More distributed communication has the advantage that decision making does not require approval from a central authority, and is therefore useful in cases where parties in a single network might conflict, and at least some people may disagree with (or not trust) the authority's decisions.
      PubDate: July 2014
      Issue No: Vol. 52, No. 7 (2014)
  • Micro aerial vehicle networks: an experimental analysis of challenges and
    • Authors: Asadpour; M.;Van den Bergh, B.;Giustiniano, D.;Hummel, K.A.;Pollin, S.;Plattner, B.;
      Pages: 141 - 149
      Abstract: The need for aerial networks is growing with the recent advance of micro aerial vehicles, which enable a wide range of civilian applications. Our experimental analysis shows that wireless connectivity among MAVs is challenged by the mobility and heterogeneity of the nodes, lightweight antenna design, body blockage, constrained embedded resources, and limited battery power. However, the movement and location of MAVs are known and may be controlled to establish wireless links with the best transmission opportunities in time and space. This special ecosystem undoubtedly requires a rethinking of wireless communications and calls for novel networking approaches. Supported by empirical results, we identify important research questions, and introduce potential solutions and directions for investigation.
      PubDate: July 2014
      Issue No: Vol. 52, No. 7 (2014)
  • Routing protocols for wireless sensor networks with mobile sinks: a survey
    • Authors: Yu; S.;Zhang, B.;Li, C.;Mouftah, H.T.;
      Pages: 150 - 157
      Abstract: Wireless sensor networks with mobile sinks, mWSNs, have attracted a lot of attention recently. This is because sink mobility can greatly alleviate the hotspot issue in WSNs and further prolong the network lifetime. However, sink mobility also causes unexpected changes in network topology and data routing paths, which can largely affect the routing performance in such networks. Design of efficient routing protocols for mWSNs has been a critical issue, and much work has been carried out in this aspect. In this article, we first classify existing protocols based on different design criteria and then present a survey of the state-of-the-art routing protocols in this area. We illustrate how each of the protocols works, and discuss their advantages and disadvantages. Finally, we point out some future directions for efficient routing in mWSNs.
      PubDate: July 2014
      Issue No: Vol. 52, No. 7 (2014)
  • Multicast routing in WDM networks without splitters
    • Authors: null;null;null;
      Pages: 158 - 167
      Abstract: Multicasting in WDM core networks is an efficient way to economize network resources for several multimedia applications. Due to their complexity and cost, multicast capable switches are rare in the proposed architectures. The paper investigates the multicast routing without splitters in directed (asymmetric) graphs. The objective is to minimize the number of used wavelengths and if there are several solutions, choose the lowest cost one. We show that the optimal solution is a set of light-trails. An efficient heuristic is proposed to minimize conflicts between the light-trails, and so to minimize the number of used wavelengths. The performance is compared to existing light-trail based heuristics. Our algorithm provides a good solution with a few wavelengths required and a low cost.
      PubDate: July 2014
      Issue No: Vol. 52, No. 7 (2014)
  • Spatially coupled sparse codes on graphs: theory and practice
    • Authors: Costello, D.J; Jr.;Dolecek, L.;Fuja, T.E.;Kliewer, J.;Mitchell, D.G.M.;Smarandache, R.;
      Pages: 168 - 176
      Abstract: Since the discovery of turbo codes 20 years ago and the subsequent rediscovery of low-density parity check codes a few years later, the field of channel coding has experienced a number of major advances. Until that time, code designers were usually happy with performance that came within a few decibels of the Shannon Limit, primarily due to implementation complexity constraints, whereas the new coding techniques now allow performance within a small fraction of a decibel of capacity with modest encoding and decoding complexity. Due to these significant improvements, coding standards in applications as varied as wireless mobile transmission, satellite TV, and deep space communication are being updated to incorporate the new techniques. In this article, we review a particularly exciting new class of low-density parity check codes called spatially coupled codes, which promise excellent performance over a broad range of channel conditions and decoded error rate requirements.
      PubDate: July 2014
      Issue No: Vol. 52, No. 7 (2014)
  • Network coding mythbusting: why it is not about butterflies anymore
    • Authors: Medard; M.;Fitzek, F.H.P.;Montpetit, M.-J.;Rosenberg, C.;
      Pages: 177 - 183
      Abstract: Network coding has been shown to have radical implications for improving current network and storage systems. Because of its disruptive nature, both in terms of techniques and implications, it had naturally led to debate and confusion. This article seeks to dispel some of the misconceptions still associated with network coding, which we term its enduring myths.
      PubDate: July 2014
      Issue No: Vol. 52, No. 7 (2014)
  • Exploiting bacterial properties for multi-hop nanonetworks
    • Authors: Balasubramaniam; S.;Lyamin, N.;Kleyko, D.;Skurnik, M.;Vinel, A.;Koucheryavy, Y.;
      Pages: 184 - 191
      Abstract: Molecular communication is a relatively new communication paradigm for nanomachines where the communication is realized by utilizing existing biological components found in nature. In recent years researchers have proposed using bacteria to realize molecular communication because the bacteria have the ability to swim and migrate between locations, carry DNA contents (i.e. plasmids) that could be utilized for information storage, and interact and transfer plasmids to other bacteria (one of these processes is known as bacterial conjugation). However, current proposals for bacterial nanonetworks have not considered the internal structures of the nanomachines that can facilitate the use of bacteria as an information carrier. This article presents the types and functionalities of nanomachines that can be utilized in bacterial nanonetworks. A particular focus is placed on the bacterial conjugation and its support for multihop communication between nanomachines. Simulations of the communication process have also been evaluated, to analyze the quantity of bits received as well as the delay performances. Wet lab experiments have also been conducted to validate the bacterial conjugation process. The article also discusses potential applications of bacterial nanonetworks for cancer monitoring and therapy.
      PubDate: July 2014
      Issue No: Vol. 52, No. 7 (2014)
  • Polar codes: Primary concepts and practical decoding algorithms
    • Authors: Niu; K.;Chen, K.;Lin, J.;Zhang, Q.T.;
      Pages: 192 - 203
      Abstract: Polar codes represent an emerging class of error-correcting codes with power to approach the capacity of a discrete memoryless channel. This overview article aims to illustrate its principle, generation and decoding techniques. Unlike the traditional capacity-approaching coding strategy that tries to make codes as random as possible, the polar codes follow a different philosophy, also originated by Shannon, by creating a jointly typical set. Channel polarization, a concept central to polar codes, is intuitively elaborated by a Matthew effect in the digital world, followed by a detailed overview of construction methods for polar encoding. The butterfly structure of polar codes introduces correlation among source bits, justifying the use of the SC algorithm for efficient decoding. The SC decoding technique is investigated from the conceptual and practical viewpoints. State-of-the-art decoding algorithms, such as the BP and some generalized SC decoding, are also explained in a broad framework. Simulation results show that the performance of polar codes concatenated with CRC codes can outperform that of turbo or LDPC codes. Some promising research directions in practical scenarios are also discussed in the end.
      PubDate: July 2014
      Issue No: Vol. 52, No. 7 (2014)
  • Advertisers' index
    • Pages: 208 - 208
      Abstract: Listing of the advertisers represented in this issue.
      PubDate: July 2014
      Issue No: Vol. 52, No. 7 (2014)
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