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Publisher: Institute of Electrical and Electronics Engineers (IEEE)   (Total: 177 journals)

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Aerospace and Electronic Systems, IEEE Transactions on     Hybrid Journal   (Followers: 103, SJR: 1.337, h-index: 85)
Affective Computing, IEEE Transactions on     Hybrid Journal   (Followers: 11, SJR: 1.824, h-index: 16)
Autonomous Mental Development, IEEE Transactions on     Hybrid Journal   (Followers: 5)
Bell Labs Technical J.     Hybrid Journal   (Followers: 12, SJR: 0.411, h-index: 26)
Biomedical Engineering, IEEE Reviews in     Full-text available via subscription   (Followers: 18, SJR: 1.462, h-index: 14)
Biomedical Engineering, IEEE Transactions on     Hybrid Journal   (Followers: 16, SJR: 1.184, h-index: 118)
Broadcasting, IEEE Transactions on     Hybrid Journal   (Followers: 5, SJR: 1.314, h-index: 53)
Canadian J. of Electrical and Computer Engineering     Full-text available via subscription   (Followers: 7, SJR: 0.119, h-index: 14)
China Communications     Full-text available via subscription   (Followers: 4, SJR: 0.189, h-index: 6)
Communications and Networks, J. of     Hybrid Journal   (Followers: 5, SJR: 0.364, h-index: 23)
Components, Packaging and Manufacturing Technology, IEEE Transactions on     Hybrid Journal   (Followers: 15, SJR: 0.638, h-index: 14)
Computational Intelligence and AI in Games, IEEE Transactions on     Hybrid Journal   (Followers: 9)
Computer     Full-text available via subscription   (Followers: 38, SJR: 0.717, h-index: 112)
Computing in Science & Engineering     Full-text available via subscription   (Followers: 14, SJR: 0.579, h-index: 40)
Control Systems     Hybrid Journal   (Followers: 36, SJR: 0.83, h-index: 75)
Embedded Systems Letters, IEEE     Hybrid Journal   (Followers: 25)
Emerging and Selected Topics in Circuits and Systems     Hybrid Journal   (Followers: 5, SJR: 0.63, h-index: 8)
Geoscience and Remote Sensing, IEEE Transactions on     Hybrid Journal   (Followers: 21, SJR: 2.458, h-index: 139)
Haptics, IEEE Transactions on     Hybrid Journal   (Followers: 3, SJR: 0.808, h-index: 19)
IEEE Access     Open Access   (Followers: 27)
IEEE Aerospace and Electronic Systems Magazine     Full-text available via subscription   (Followers: 62, SJR: 0.402, h-index: 35)
IEEE Annals of the History of Computing     Full-text available via subscription   (Followers: 13, SJR: 0.134, h-index: 13)
IEEE Antennas and Propagation Magazine     Hybrid Journal   (Followers: 23, SJR: 0.757, h-index: 57)
IEEE Antennas and Wireless Propagation Letters     Hybrid Journal   (Followers: 17, SJR: 1.499, h-index: 54)
IEEE Circuits and Systems Magazine     Full-text available via subscription   (Followers: 34, SJR: 0.737, h-index: 32)
IEEE Communications Letters     Hybrid Journal   (Followers: 19, SJR: 1.19, h-index: 96)
IEEE Communications Magazine     Full-text available via subscription   (Followers: 37, SJR: 3.196, h-index: 144)
IEEE Communications Surveys & Tutorials     Hybrid Journal   (Followers: 14, SJR: 3.561, h-index: 52)
IEEE Computational Intelligence Magazine     Full-text available via subscription   (Followers: 13, SJR: 2.066, h-index: 26)
IEEE Computer Architecture Letters     Hybrid Journal   (Followers: 21, SJR: 0.871, h-index: 14)
IEEE Computer Graphics and Applications     Full-text available via subscription   (Followers: 24, SJR: 0.501, h-index: 62)
IEEE Consumer Electronics Magazine     Full-text available via subscription   (Followers: 21)
IEEE Control Systems Magazine     Full-text available via subscription   (Followers: 46)
IEEE Design & Test     Full-text available via subscription   (Followers: 16)
IEEE Distributed Systems Online     Full-text available via subscription   (Followers: 6)
IEEE Electrical Insulation Magazine     Full-text available via subscription   (Followers: 10, SJR: 0.577, h-index: 41)
IEEE Electromagnetic Compatibility Magazine     Full-text available via subscription   (Followers: 5)
IEEE Electron Device Letters     Full-text available via subscription   (Followers: 6, SJR: 2.191, h-index: 105)
IEEE Engineering in Medicine and Biology Magazine     Full-text available via subscription   (Followers: 5)
IEEE Engineering Management Review     Full-text available via subscription   (Followers: 20, SJR: 0.11, h-index: 9)
IEEE Geoscience and Remote Sensing Letters     Hybrid Journal   (Followers: 19, SJR: 1.481, h-index: 46)
IEEE Industrial Electronics Magazine     Full-text available via subscription   (Followers: 27, SJR: 2.105, h-index: 27)
IEEE Industry Applications Magazine     Full-text available via subscription   (Followers: 11, SJR: 0.67, h-index: 36)
IEEE Instrumentation & Measurement Magazine     Full-text available via subscription   (Followers: 35, SJR: 0.245, h-index: 26)
IEEE Intelligent Systems     Full-text available via subscription   (Followers: 27, SJR: 0.941, h-index: 79)
IEEE Internet Computing     Full-text available via subscription   (Followers: 14, SJR: 1.044, h-index: 79)
IEEE J. of Biomedical and Health Informatics     Hybrid Journal   (Followers: 10, SJR: 1.157, h-index: 61)
IEEE J. of Emerging and Selected Topics in Power Electronics     Hybrid Journal   (Followers: 17)
IEEE J. of Oceanic Engineering     Hybrid Journal   (Followers: 9, SJR: 0.687, h-index: 63)
IEEE J. of Quantum Electronics     Hybrid Journal   (Followers: 17, SJR: 1.594, h-index: 98)
IEEE J. of Selected Topics in Quantum Electronics     Hybrid Journal   (Followers: 6, SJR: 2.588, h-index: 114)
IEEE J. of Selected Topics in Signal Processing     Hybrid Journal   (Followers: 19, SJR: 2.705, h-index: 45)
IEEE J. of Solid-State Circuits     Full-text available via subscription   (Followers: 18, SJR: 3.574, h-index: 144)
IEEE J. of the Electron Devices Society     Open Access   (Followers: 5)
IEEE J. of Translational Engineering in Health and Medicine     Open Access   (Followers: 2)
IEEE J. on Selected Areas in Communications     Hybrid Journal   (Followers: 8, SJR: 3.335, h-index: 165)
IEEE Latin America Transactions     Full-text available via subscription   (Followers: 2, SJR: 0.162, h-index: 7)
IEEE Micro     Full-text available via subscription   (Followers: 5, SJR: 1.506, h-index: 67)
IEEE Microwave and Wireless Components Letters     Hybrid Journal   (Followers: 10, SJR: 1.915, h-index: 87)
IEEE Microwave Magazine     Full-text available via subscription   (Followers: 17, SJR: 0.59, h-index: 41)
IEEE Multimedia     Full-text available via subscription   (Followers: 9, SJR: 0.639, h-index: 47)
IEEE Network     Full-text available via subscription   (Followers: 23, SJR: 1.796, h-index: 80)
IEEE Pervasive Computing     Full-text available via subscription   (Followers: 12, SJR: 0.923, h-index: 69)
IEEE Photonics Technology Letters     Hybrid Journal   (Followers: 4, SJR: 1.805, h-index: 111)
IEEE Potentials     Full-text available via subscription   (Followers: 4, SJR: 0.153, h-index: 18)
IEEE Power and Energy     Full-text available via subscription   (Followers: 18, SJR: 1.671, h-index: 45)
IEEE Power Electronics Magazine     Full-text available via subscription   (Followers: 16)
IEEE Revista Iberoamericana de Tecnologias del Aprendizaje     Hybrid Journal   (Followers: 1, SJR: 0.1, h-index: 3)
IEEE Robotics & Automation Magazine     Full-text available via subscription   (Followers: 26, SJR: 1.09, h-index: 51)
IEEE Security & Privacy Magazine     Full-text available via subscription   (Followers: 20, SJR: 0.588, h-index: 44)
IEEE Sensors J.     Hybrid Journal   (Followers: 56, SJR: 0.733, h-index: 56)
IEEE Signal Processing Letters     Hybrid Journal   (Followers: 18, SJR: 1.016, h-index: 82)
IEEE Signal Processing Magazine     Full-text available via subscription   (Followers: 47, SJR: 1.831, h-index: 106)
IEEE Software     Full-text available via subscription   (Followers: 53, SJR: 0.842, h-index: 72)
IEEE Spectrum     Full-text available via subscription   (Followers: 58, SJR: 0.191, h-index: 48)
IEEE Systems J.     Hybrid Journal   (Followers: 9, SJR: 1.034, h-index: 17)
IEEE Technology and Society Magazine     Full-text available via subscription   (Followers: 3, SJR: 0.348, h-index: 17)
IEEE Transactions on Advanced Packaging     Full-text available via subscription   (Followers: 6, SJR: 0.598, h-index: 52)
IEEE Transactions on Antennas and Propagation     Full-text available via subscription   (Followers: 18, SJR: 1.837, h-index: 118)
IEEE Transactions on Applied Superconductivity     Hybrid Journal   (Followers: 1, SJR: 0.46, h-index: 54)
IEEE Transactions on Audio, Speech, and Language Processing     Hybrid Journal   (Followers: 15)
IEEE Transactions on Automatic Control     Hybrid Journal   (Followers: 35, SJR: 2.992, h-index: 175)
IEEE Transactions on Automation Science and Engineering     Full-text available via subscription   (Followers: 9, SJR: 1.287, h-index: 35)
IEEE Transactions on Biomedical Circuits and Systems     Hybrid Journal   (Followers: 6, SJR: 1.876, h-index: 29)
IEEE Transactions on Circuits and Systems for Video Technology     Hybrid Journal   (Followers: 9, SJR: 1.47, h-index: 124)
IEEE Transactions on Circuits and Systems I: Regular Papers     Hybrid Journal   (Followers: 16, SJR: 1.406, h-index: 68)
IEEE Transactions on Circuits and Systems II: Express Briefs     Hybrid Journal   (Followers: 11, SJR: 0.932, h-index: 53)
IEEE Transactions on Cloud Computing     Hybrid Journal   (Followers: 9)
IEEE Transactions on Communications     Hybrid Journal   (Followers: 22, SJR: 2.035, h-index: 150)
IEEE Transactions on Components and Packaging Technologies     Full-text available via subscription   (Followers: 10, SJR: 0.71, h-index: 50)
IEEE Transactions on Computational Social Systems     Full-text available via subscription  
IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems     Hybrid Journal   (Followers: 6, SJR: 0.77, h-index: 83)
IEEE Transactions on Computers     Hybrid Journal   (Followers: 28, SJR: 0.768, h-index: 81)
IEEE Transactions on Consumer Electronics     Hybrid Journal   (Followers: 19, SJR: 0.731, h-index: 69)
IEEE Transactions on Control of Network Systems     Hybrid Journal   (Followers: 7)
IEEE Transactions on Control Systems Technology     Hybrid Journal   (Followers: 35, SJR: 1.543, h-index: 87)
IEEE Transactions on Cybernetics     Hybrid Journal   (Followers: 9)
IEEE Transactions on Dependable and Secure Computing     Hybrid Journal   (Followers: 12, SJR: 0.866, h-index: 36)
IEEE Transactions on Device and Materials Reliability     Hybrid Journal   (Followers: 17, SJR: 0.785, h-index: 45)
IEEE Transactions on Dielectrics and Electrical Insulation     Hybrid Journal   (Followers: 7, SJR: 0.635, h-index: 71)

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Journal Cover IEEE Communications Magazine
  [SJR: 3.196]   [H-I: 144]   [37 followers]  Follow
   Full-text available via subscription Subscription journal
   ISSN (Print) 0163-6804
   Published by Institute of Electrical and Electronics Engineers (IEEE) Homepage  [177 journals]
  • IEEE Communications Magazine - Cover
    • Abstract: Presents the front cover for this issue of the publication.
      PubDate: January 2016
      Issue No: Vol. 54, No. 1 (2016)
  • Global Communications Newsletter (January 2016)
    • Pages: 1 - 4
      Abstract: Included in this newsletter: Report of the Opto-Electronics and Communications Conference (OECC)2015; 6th International FOKUS FUSECO Forum (FFF); Activities of the Xi'an ComSoc Chapter; Geo2Tag: The Advanced Open Source Ecosystem for LBS Developers
      PubDate: January 2016
      Issue No: Vol. 54, No. 1 (2016)
  • Table of contents
    • Pages: 1 - 2
      Abstract: Presents the table of contents for this issue of the periodical.
      PubDate: January 2016
      Issue No: Vol. 54, No. 1 (2016)
  • Moving the society forward [The President's Page]
    • Authors: Freeman; H.;
      Pages: 4 - 4
      Abstract: Presents the President's message for this issue of the publication.
      PubDate: January 2016
      Issue No: Vol. 54, No. 1 (2016)
  • Conference Calendar
    • Pages: 9 - 9
      Abstract: Presents the COMSOC calendar of events.
      PubDate: January 2016
      Issue No: Vol. 54, No. 1 (2016)
  • Software Defined Wireless Networks: Part 2 [Guest Editorial]
    • Authors: Honglin Hu;Hsiao-Hwa Chen;Mueller; P.;Qingyang Hu, R.;Yun Rui;
      Pages: 10 - 11
      Abstract: The concept of software defined wireless networks (SDWN) has been rapidly evolving as the solution to meet the demand for dynamic wireless services in ubiquitous computing. In SDWN, the control plane and data plane are decoupled, network intelligence is logically centralized, and the underlying network infrastructure is abstracted from the applications. Thus it highly simplifies network administration and management, which facilitates the dynamic nature of future network functions and intelligent applications while lowering operating costs through simplified hardware, software, and management. This is the second part of the ???Software Defined Wireless Networks (SDWN)??? Feature Topic. In Part 1, which was published in November 2015, we provided an overview of the latest major developments and progress in SDWN architecture. In this Part II, we present articles that provide fruitful insights into selected topics such as Cloud-RAN management, flexible spectrum management, SDWN security, and SDN-based self organizing strategies. We believe that it complements Part I, and together they provide a holistic overview of features and trends in future SDWN development.
      PubDate: January 2016
      Issue No: Vol. 54, No. 1 (2016)
  • Software-defined hyper-cellular architecture for green and elastic
           wireless access
    • Authors: Sheng Zhou;Tao Zhao;Zhisheng Niu;Shidong Zhou;
      Pages: 12 - 19
      Abstract: To meet the surging demand of increasing mobile Internet traffic from diverse applications while maintaining moderate energy cost, the radio access network of cellular systems needs to take a green path into the future, and the key lies in providing elastic service to dynamic traffic demands. To achieve this, it is time to rethink RAN architectures and expect breakthroughs. In this article, we review the state-of-the-art literature, which aims to renovate RANs from the perspectives of control- traffic decoupled air interface, cloud-based RANs, and software-defined RANs. We then propose a software-defined hyper-cellular architecture (SDHCA) that identifies a feasible way to integrate the above three trends to enable green and elastic wireless access. We further present key enabling technologies to realize SDHCA, including separation of the air interface, green base station operations, and base station functions virtualization, followed by our hardware testbed for SDHCA. In addition, we summarize several future research issues worth investigating.
      PubDate: January 2016
      Issue No: Vol. 54, No. 1 (2016)
  • Securing software defined wireless networks
    • Authors: Daojing He;Chan; S.;Guizani, M.;
      Pages: 20 - 25
      Abstract: Software defined wireless networking (SDWN) is a new paradigm of wireless networking, physically separating the data and control planes of various elements in the wireless infrastructure. Similar to its wired counterpart, SDWN is expected to introduce a wide range of benefits to the operation and management of wireless networks. Security is always important to any network. On one hand, SDWN enables new security mechanisms. On the other hand, some new threats are introduced due to the separation of the control and data planes and the introduction of the logically centralized controller. In this article, we discuss its security threat vectors as well as design issues in making it secure. Also, we analyze the security requirements of SDWN, and then summarize the security attacks and countermeasures in this area and suggest some future research directions.
      PubDate: January 2016
      Issue No: Vol. 54, No. 1 (2016)
  • Elastic resource utilization framework for high capacity and energy
           efficiency in cloud RAN
    • Authors: Pompili; D.;Hajisami, A.;Tran, T.X.;
      Pages: 26 - 32
      Abstract: Current radio access network architectures, characterized by a static configuration and deployment of base stations, have exposed their limitations in handling the temporal and geographical fluctuations of capacity demand. Moreover, small cell networks have exacerbated the problem of electromagnetic interference and decreased the energy efficiency. Although there are some solutions to alleviate these problems, they still suffer from static provisioning of BSs and lack of inter-BS communication. Cloud RAN is a new centralized paradigm based on virtualization technology that has emerged as a promising architecture and efficiently addresses such problems. C-RAN provides high energy efficiency together with gigabit-per-second data rates across software defined wireless networks. In this article, novel reconfigurable solutions based on C-RAN are proposed in order to adapt dynamically and efficiently to the fluctuations in per-user capacity demand. Co-location models for provisioning and allocation of virtual base stations are introduced, and pros and cons of different VBS architectures are studied. Also, the potential advantages of VBS clustering and consolidation to support recently proposed cooperative techniques like cooperative multipoint processing are discussed.
      PubDate: January 2016
      Issue No: Vol. 54, No. 1 (2016)
  • A software-defined wireless networking enabled spectrum management
    • Authors: Wei Wang;Yingjie Chen;Qian Zhang;Tao Jiang;
      Pages: 33 - 39
      Abstract: Recent years have seen the proliferation in versatile mobile devices and application services that demand different data rates and latencies. Fixed channelization configuration in today's wireless devices fail to be efficient in the presence of such dynamic demands. In this regard, fine-grained spectrum management designs have been advocated by the research community to embrace the heterogeneity in devices and services. However, manufacturers hesitate to make hardware investments without comprehensive understanding of these designs. To break this stalemate, software-defined wireless networking (SDWN) has been pushed to market as a cost-effective paradigm. Motivated by recent innovations in SDWN, this article systematically investigates the spectrum management architecture design that reaps the benefits of SDWN while maintaining the features of fine-grained channelization. We shed light on design principles and key challenges in realizing the SDWN-enabled spectrum management architecture. With these principles and challenges in mind, we develop a general architecture with a new baseband virtualization design. We build a prototype that seamlessly integrates with the IEEE 802.11 protocol stack and commodity RF front-end. We demonstrate that the proposed architecture improves spectrum efficiency by emulating the upper layer behaviors using the traces captured in a campus WLAN.
      PubDate: January 2016
      Issue No: Vol. 54, No. 1 (2016)
  • Synergistic spectrum sharing in 5G HetNets: A harmonized SDN-enabled
    • Authors: Akhtar; A.M.;Xianbin Wang;Hanzo, L.;
      Pages: 40 - 47
      Abstract: Given the anticipated 1000 times growth of tele-traffic, the conception of efficient spectrum management and sharing mechanisms becomes essential for 5G networks due to the scarcity of spectral resources. To meet this ambitious goal, we propose an SDN-based synergistic spectrum sharing technique, the harmonized SDN-enabled approach (HSA), which relies on distributed input reporting on spectrum availabilities in 5G heterogeneous networks. Conventional spectrum sharing mechanisms, particularly those using cognitive radio techniques, rely heavily on spectrum sensing and adaptive transmission-aided communications devices. However, this device-level spectrum sharing might lead to inaccurate sharing decisions due to the widely fluctuating signal quality observed by each device. Moreover, the network becomes vulnerable to malicious devices that report false sensing data to gain unfair access to the spectrum. These problems are further compounded by the fact that operational cellular networks have a somewhat rigid architecture relying on vendor-specific configuration interfaces, hence restricting the operators to have, at best, only indirect control of the network's operation and resources. In addressing these challenges, we adopt a synergistic approach that integrates the distributed sensing devices, cellular base stations, and SDN controller into an intrinsically amalgamated network. To alleviate any potential controller scalability and latency concerns, HSA harmonizes the network's operation by distributing the local decision making and network-wide policy making tasks among the base stations and the SDN controller, respectively. The article outlines the detailed network architecture and also presents an efficient resource management algorithm.
      PubDate: January 2016
      Issue No: Vol. 54, No. 1 (2016)
  • SDN meets SDR in self-organizing networks: fitting the pieces of network
    • Authors: Ramirez-Perez; C.;Ramos, V.;
      Pages: 48 - 57
      Abstract: LTE self-organizing networks (SONs) automate several management mechanisms related to network planning, configuration, and optimization, which require network programmability at both the control plane and data plane. This requirement is a design target shared by software defined networking (SDN) and software defined radio (SDR) paradigms, which are intended to achieve open programmable and reconfigurable networks. Hence, the convergence of the programmable- control-plane nature of SDN with the programmable-data-plane nature of SDR into an SON-based architecture will complement and enhance their respective scopes. We propose an SON-based management framework that leverages programmable control and data planes, and emphasizes the need for an open and extensible protocol interface that combines the main features of current protocols such as OpenFlow, MIH, and XMPP.
      PubDate: January 2016
      Issue No: Vol. 54, No. 1 (2016)
  • Software defined radio ??? 20 years later: part 2 [Guest
    • Authors: Mitola; J.;Marshall, P.;Kwang-Cheng Chen;Mueck, M.;Zvonar, Z.;
      Pages: 58 - 58
      Abstract: Following the Part 1 that appeared in the September 2015 issue of IEEE Communications Magazine, this Part 2 of the Radio Communications Series features several papers illustrating key trends in Software Defined Radio.
      PubDate: January 2016
      Issue No: Vol. 54, No. 1 (2016)
  • Addressing next-generation wireless challenges with commercial
           software-defined radio platforms
    • Authors: Sklivanitis; G.;Gannon, A.;Batalama, S.N.;Pados, D.A.;
      Pages: 59 - 67
      Abstract: We review commercially available software- defined radio platforms and classify them with respect to their ability to enable rapid prototyping of next-generation wireless systems. In particular, we first discuss the research challenges imposed by the latest software-defined radio enabling technologies including both analog and digital processing hardware. Then we present the state-of-the-art commercial software-defined radio platforms, describe their software and hardware capabilities, and classify them based on their ability to enable rapid prototyping and advance experimental research in wireless networking. Finally, we present three experimental testbed scenarios (wireless terrestrial, aerial, and underwater) and argue that the development of a system design abstraction could significantly improve the efficiency of the prototyping and testbed implementation process.
      PubDate: January 2016
      Issue No: Vol. 54, No. 1 (2016)
  • Revolutionizing software defined radio: case studies in hardware,
           software, and education
    • Authors: Wyglinski; A.M.;Orofino, D.P.;Ettus, M.N.;Rondeau, T.W.;
      Pages: 68 - 75
      Abstract: SDR has increasingly become an invaluable research, development, and educational tool within the telecommunications sector with respect to rapidly prototyping new algorithms and paradigms in actual radio hardware and evaluating them in real-world over-the-air conditions. Due to advances in microprocessor technology, radio frequency hardware, and software, SDR has matured into a reliable tool that is now part of almost every communication engineer's toolbox, and it has changed the way the telecommunication sector produces innovative solutions to technical challenges. In this article, we explore four case studies that highlight SDR as a reliable tool in industry, academia, and government. Specifically, we study four examples that illustrate: advances in low-cost, reliable, and versatile SDR platforms, open source and universal SDR software development environments, powerful technical computing environments employing SDR hardware for real-world experimentation, and educational paradigms for synthesizing digital communications and digital processing concepts using SDR technology. By understanding the impact of these case studies, we intend to provide some insight on how the SDR revolution has changed the way the world designs and implements telecommunication systems.
      PubDate: January 2016
      Issue No: Vol. 54, No. 1 (2016)
  • Metacognition and the next generation of cognitive radio engines
    • Authors: Asadi; H.;Volos, H.;Marefat, M.M.;Bose, T.;
      Pages: 76 - 82
      Abstract: Much of the previous research on cognitive radio has focused on developing algorithms based on artificial neural networks, the genetic algorithm, and reinforcement learning, each with its pros and cons. In this research, we present a new approach based on metacognition. We believe that the metacognitive framework can be the foundation for the next generation of CRs and further the performance improvements in CR. In this work, we present the elements involved in metacognitive radio, discuss the challenges in their development, present solutions to the challenges along with a possible meta-CR architecture, and show results from our implementation. Each cognitive engine (CE) algorithm has strengths and limitations that make it more suitable for certain operating scenarios (channel conditions, operating objective, available hardware, etc.) than other algorithms. A meta-CE can adapt faster and improve performance by exploiting the characteristics and expected performance of the individual CE algorithms. It understands the operational scenarios and utilizes the most appropriate algorithm for the current operational scenario by switching between the algorithms or adjusting them as necessary.
      PubDate: January 2016
      Issue No: Vol. 54, No. 1 (2016)
  • Software defined access for HetNets
    • Authors: Sagar; V.;Chandramouli, R.;Subbalakshmi, K.P.;
      Pages: 84 - 89
      Abstract: We present software defined access (SDA), an architecture for HetNets that incorporates various elements of SDN and software defined wireless networking (SDWN). SDA introduces a novel logical control path across radio interfaces and up to mobile devices. This control path allows SDA to regulate and configure data path via different RATs. Unlike SDN and SDWN, SDA can be deployed without changing network elements of RATs. The userspace implementation of client side utility is also presented to empower mobile devices with SDN-like flow management. This client with cloud hosted SDA servers presents an alternative for operator-independent and RAT-agnostic standalone SDA deployment. To demonstrate some of SDA's capabilities, we also present various testbed experimental measurement results.
      PubDate: January 2016
      Issue No: Vol. 54, No. 1 (2016)
  • Network and Service Management [Series Editorial]
    • Authors: Pavlou; G.;Schonwalder, J.;
      Pages: 90 - 90
      Abstract: This is the 20th issue of the series on Network and Service Management, which is typically published twice a year, in January and July. The series features 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: January 2016
      Issue No: Vol. 54, No. 1 (2016)
  • Cloudifying the 3GPP IP multimedia subsystem for 4G and beyond: A survey
    • Authors: Abu-Lebdeh; M.;Sahoo, J.;Glitho, R.;Tchouati, C.W.;
      Pages: 91 - 97
      Abstract: 4G systems have been continuously evolving to cope with the emerging challenges of human-centric and M2M applications. Research has also now started on 5G systems. Scenarios have been proposed and initial requirements derived. 4G and beyond systems are expected to easily deliver a wide range of human-centric and M2M applications and services in a scalable, elastic, and cost-efficient manner. The 3GPP IMS was standardized as the service delivery platform for 3G networks. Unfortunately, it does not meet several requirements for provisioning applications and services in 4G and beyond systems. However, cloudifying it will certainly pave the way for its use as a service delivery platform for 4G and beyond. This article presents a critical overview of the architectures proposed so far for cloudifying the IMS. There are two classes of approaches; the first focuses on the whole IMS system, and the second deals with specific IMS entities. Research directions are also discussed. IMS granularity and a PaaS for the development and management of IMS functional entities are the two key directions we currently foresee.
      PubDate: January 2016
      Issue No: Vol. 54, No. 1 (2016)
  • Management and orchestration challenges in network functions
    • Authors: Mijumbi; R.;Serrat, J.;Gorricho, J.-L.;Latre, S.;Charalambides, M.;Lopez, D.;
      Pages: 98 - 105
      Abstract: NFV continues to draw immense attention from researchers in both industry and academia. By decoupling NFs from the physical equipment on which they run, NFV promises to reduce CAPEX and OPEX, make networks more scalable and flexible, and lead to increased service agility. However, despite the unprecedented interest it has gained, there are still obstacles that must be overcome before NFV can advance to reality in industrial deployments, let alone delivering on the anticipated gains. While doing so, important challenges associated with network and function MANO need to be addressed. In this article, we introduce NFV and give an overview of the MANO framework that has been proposed by ETSI. We then present representative projects and vendor products that focus on MANO, and discuss their features and relationship with the framework. Finally, we identify open MANO challenges as well as opportunities for future research.
      PubDate: January 2016
      Issue No: Vol. 54, No. 1 (2016)
  • Transparent reallocation of control functions in IMS deployments
    • Authors: Garcia-Reinoso; J.;Vidal, I.;Bellavista, P.;Soto, I.;Aranda Gutirrez, P.A.;
      Pages: 106 - 113
      Abstract: In this article we present a novel solution to transfer users between IMS network elements. This solution enables a home operator to perform an appropriate redistribution of load among the call session control functions of the IMS, which can be deployed as virtualized network functions or over dedicated machines. This way, the operator is enabled to adequately accommodate the instantaneous load generated by users to the available control resources, which may dynamically be activated or deactivated as necessary, as well as to enhance the resilient operation of the IMS deployment. Additionally, our solution does not require any change to the IMS specifications, and at the same time, the procedures are transparent to the end-user applications running at the IMS terminals. Finally, we describe some results obtained with a proof-ofconcept implementation of the procedures presented in the article in order to show the viability and correctness of our proposal.
      PubDate: January 2016
      Issue No: Vol. 54, No. 1 (2016)
  • Self-healing in mobile networks with big data
    • Authors: Khatib; E.J.;Barco, R.;Munoz, P.;De La Bandera, I.;Serrano, I.;
      Pages: 114 - 120
      Abstract: Mobile networks have rapidly evolved in recent years due to the increase in multimedia traffic and offered services. This has led to a growth in the volume of control data and measurements that are used by self-healing systems. To maintain a certain quality of service, self-healing systems must complete their tasks in a reasonable time. The conjunction of a big volume of data and the limitation of time requires a big data approach to the problem of self-healing. This article reviews the data that self-healing uses as input and justifies its classification as big data. Big data techniques applied to mobile networks are examined, and some use cases along with their big data solutions are surveyed.
      PubDate: January 2016
      Issue No: Vol. 54, No. 1 (2016)
  • Ad Hoc and Sensor Networks [Series Editorial]
    • Authors: Biagioni; E.;Giordano, S.;
      Pages: 121 - 121
      Abstract: Research in ad hoc and sensor networks has produced a plethora of papers, and very interesting work is still being published in this area, evolving in parallel with technological innovation, and intersecting with novel areas, particularly the Internet of Things, and more established areas such as wildlife monitoring.
      PubDate: January 2016
      Issue No: Vol. 54, No. 1 (2016)
  • Performance evaluation methods in ad hoc and wireless sensor networks: a
           literature study
    • Authors: Papadopoulos; G.Z.;Kritsis, K.;Gallais, A.;Chatzimisios, P.;Noel, T.;
      Pages: 122 - 128
      Abstract: Verification of theoretical analysis is a vital step in the development of an application or a protocol for wireless networks. Most proposals are evaluated through mathematical analysis followed by either simulation or experimental validation campaigns. In this article, we analyze a large set of statistics in articles published (674 papers in total) in the top representative ad hoc and wireless sensor networks related conferences (i.e., ACM/ IEEE IPSN, ACM MobiCom, ACM MobiHoc, and ACM SenSys) during the period 2008-2013. We focus on the evaluation methodologies provided by researchers. More specifically, our goal is to explore the role of simulators and testbeds in the theoretical analysis of a model throughout the protocol development procedure. We show that there is a tendency for more and more researchers to rely on custom or open testbeds in order to evaluate the performance of their proposals. Simulators indeed fail to reproduce actual environmental conditions of deployed systems. Experimentation with real hardware allows our research community to mind the gaps between simulation and real deployment. Still, as the experimental apFproach through custom testbeds results in a low reproducibility level (i.e., 16.5 percent), we investigate to what extent such performance evaluation methods will be able to bridge those gaps. We finally discuss experimental testbeds and their potential to replace simulators as the cornerstone of performance evaluation procedures.
      PubDate: January 2016
      Issue No: Vol. 54, No. 1 (2016)
  • From radio telemetry to ultra-low-power sensor networks: tracking bats in
           the wild
    • Authors: Dressler; F.;Ripperger, S.;Hierold, M.;Nowak, T.;Eibel, C.;Cassens, B.;Mayer, F.;Meyer-Wegener, K.;Kolpin, A.;
      Pages: 129 - 135
      Abstract: Sensor networks have successfully been used for wildlife monitoring and tracking of different species. When it comes to small animals such as smaller birds, mammals, or even insects, the current approach is to use extremely lightweight RF tags located using radio telemetry. A new quantum leap in technology is needed to overcome this limitation and enable new ways to observe larger numbers of small animals. In an interdisciplinary team, we are working on the different aspects of such a new technology. In particular, we report on our findings on a sensor- network-based tracking solution for bats. Our system is based on integrated localization and wireless communication protocols for ultra-low-power systems. This requires coding techniques for improved reliability as well as ranging solutions for tracking hunting bats. We address the technological and methodical problems related to system design, software support, and protocol design. First field experiments have been conducted that showcase the capabilities of our system.
      PubDate: January 2016
      Issue No: Vol. 54, No. 1 (2016)
  • Cheepsync: a time synchronization service for resource constrained
           bluetooth le advertisers
    • Authors: Sridhar; S.;Misra, P.;Gill, G.S.;Warrior, J.;
      Pages: 136 - 143
      Abstract: Clock synchronization is highly desirable in distributed systems, including many applications in the Internet of Things and Humans. It improves the efficiency, modularity, and scalability of the system, and optimizes use of event triggers. For IoTH, BLE - a subset of the recent Bluetooth v4.0 stack - provides a low-power and loosely coupled mechanism for sensor data collection with ubiquitous units (e.g., smartphones and tablets) carried by humans. This fundamental design paradigm of BLE is enabled by a range of broadcast advertising modes. While its operational benefits are numerous, the lack of a common time reference in the broadcast mode of BLE has been a fundamental limitation. This article presents and describes CheepSync, a time synchronization service for BLE advertisers, especially tailored for applications requiring high time precision on resource constrained BLE platforms. Designed on top of the existing Bluetooth v4.0 standard, the CheepSync framework utilizes low-level timestamping and comprehensive error compensation mechanisms for overcoming uncertainties in message transmission, clock drift, and other system-specific constraints. CheepSync was implemented on custom designed nRF24Cheep beacon platforms (as broadcasters) and commercial off-the-shelf Android ported smartphones (as passive listeners). We demonstrate the efficacy of CheepSync by numerous empirical evaluations in a variety of experimental setups, and show that its average (single-hop) time synchronization accuracy is in the 10 μs range.
      PubDate: January 2016
      Issue No: Vol. 54, No. 1 (2016)
  • Advertisers??? Index
    • Pages: 144 - 144
      Abstract: Presents the index of advertisers in this issue of the publication.
      PubDate: January 2016
      Issue No: Vol. 54, No. 1 (2016)
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