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Publisher: Institute of Electrical and Electronics Engineers (IEEE)   (Total: 174 journals)

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Aerospace and Electronic Systems, IEEE Transactions on     Hybrid Journal   (Followers: 58, SJR: 1.377, h-index: 78)
Affective Computing, IEEE Transactions on     Hybrid Journal   (Followers: 9, SJR: 1.967, h-index: 8)
Autonomous Mental Development, IEEE Transactions on     Hybrid Journal   (Followers: 5)
Bell Labs Technical J.     Hybrid Journal   (Followers: 8, SJR: 0.882, h-index: 22)
Biomedical Engineering, IEEE Reviews in     Full-text available via subscription   (Followers: 15, SJR: 0.592, h-index: 10)
Biomedical Engineering, IEEE Transactions on     Hybrid Journal   (Followers: 12, 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: 3, SJR: 0.418, h-index: 21)
Components, Packaging and Manufacturing Technology, IEEE Transactions on     Hybrid Journal   (Followers: 11, 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: 29)
Computing in Science & Engineering     Full-text available via subscription   (Followers: 11, SJR: 0.706, h-index: 34)
Control Systems     Hybrid Journal   (Followers: 20)
Embedded Systems Letters, IEEE     Hybrid Journal   (Followers: 18)
Emerging and Selected Topics in Circuits and Systems     Hybrid Journal   (Followers: 4)
Geoscience and Remote Sensing, IEEE Transactions on     Hybrid Journal   (Followers: 20, 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: 3)
IEEE Aerospace and Electronic Systems Magazine     Full-text available via subscription   (Followers: 39, 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: 14, SJR: 0.898, h-index: 52)
IEEE Antennas and Wireless Propagation Letters     Hybrid Journal   (Followers: 12, SJR: 1.551, h-index: 46)
IEEE Circuits and Systems Magazine     Full-text available via subscription   (Followers: 21, SJR: 0.987, h-index: 28)
IEEE Communications Letters     Hybrid Journal   (Followers: 15, SJR: 1.371, h-index: 90)
IEEE Communications Magazine     Full-text available via subscription   (Followers: 20, SJR: 4.919, h-index: 130)
IEEE Communications Surveys & Tutorials     Hybrid Journal   (Followers: 9, SJR: 5.903, h-index: 27)
IEEE Computational Intelligence Magazine     Full-text available via subscription   (Followers: 10, SJR: 2.329, h-index: 22)
IEEE Computer Architecture Letters     Hybrid Journal   (Followers: 15, SJR: 0.444, h-index: 12)
IEEE Computer Graphics and Applications     Full-text available via subscription   (Followers: 9, SJR: 0.917, h-index: 57)
IEEE Consumer Electronics Magazine     Full-text available via subscription   (Followers: 11)
IEEE Control Systems Magazine     Full-text available via subscription   (Followers: 19, SJR: 1.665, h-index: 67)
IEEE Design & Test     Full-text available via subscription   (Followers: 12)
IEEE Distributed Systems Online     Full-text available via subscription   (Followers: 5)
IEEE Electrical Insulation Magazine     Full-text available via subscription   (Followers: 8, 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: 10, 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: 15, SJR: 2.804, h-index: 20)
IEEE Industry Applications Magazine     Full-text available via subscription   (Followers: 5, SJR: 0.575, h-index: 33)
IEEE Instrumentation & Measurement Magazine     Full-text available via subscription   (Followers: 16, SJR: 0.237, h-index: 24)
IEEE Intelligent Systems     Full-text available via subscription   (Followers: 22, 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: 8)
IEEE J. of Oceanic Engineering     Hybrid Journal   (Followers: 5, SJR: 0.66, h-index: 58)
IEEE J. of Quantum Electronics     Hybrid Journal   (Followers: 15, SJR: 1.238, h-index: 92)
IEEE J. of Selected Topics in Quantum Electronics     Hybrid Journal   (Followers: 6, SJR: 2.409, h-index: 104)
IEEE J. of Selected Topics in Signal Processing     Hybrid Journal   (Followers: 13, SJR: 2.967, h-index: 36)
IEEE J. of Solid-State Circuits     Full-text available via subscription   (Followers: 12, SJR: 5.021, h-index: 133)
IEEE J. of the Electron Devices Society     Open Access   (Followers: 2)
IEEE J. of Translational Engineering in Health and Medicine     Open Access   (Followers: 2)
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: 6, 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: 11, 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: 11, SJR: 1.185, h-index: 41)
IEEE Power Electronics Magazine     Full-text available via subscription   (Followers: 5)
IEEE Revista Iberoamericana de Tecnologias del Aprendizaje     Hybrid Journal   (Followers: 1)
IEEE Robotics & Automation Magazine     Full-text available via subscription   (Followers: 19, SJR: 1.571, h-index: 44)
IEEE Security & Privacy Magazine     Full-text available via subscription   (Followers: 14, SJR: 0.824, h-index: 39)
IEEE Sensors J.     Hybrid Journal   (Followers: 30, SJR: 0.667, h-index: 49)
IEEE Signal Processing Letters     Hybrid Journal   (Followers: 14, SJR: 1.587, h-index: 74)
IEEE Signal Processing Magazine     Full-text available via subscription   (Followers: 27, SJR: 2.467, h-index: 98)
IEEE Software     Full-text available via subscription   (Followers: 31, SJR: 1.255, h-index: 67)
IEEE Spectrum     Full-text available via subscription   (Followers: 24, 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: 4, 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: 11)
IEEE Transactions on Automatic Control     Hybrid Journal   (Followers: 21, 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: 4, 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: 6)
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: 8)
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: 4, 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: 13, 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: 10, SJR: 1.114, h-index: 32)
IEEE Transactions on Device and Materials Reliability     Hybrid Journal   (Followers: 11, SJR: 0.776, h-index: 40)
IEEE Transactions on Dielectrics and Electrical Insulation     Hybrid Journal   (Followers: 5, SJR: 0.665, h-index: 64)
IEEE Transactions on Education     Hybrid Journal   (Followers: 3, SJR: 0.672, h-index: 40)

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IEEE Communications Magazine
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     ISSN (Print) 0163-6804
     Published by Institute of Electrical and Electronics Engineers (IEEE) Homepage  [174 journals]   [SJR: 4.919]   [H-I: 130]
  • IEEE Communications Magazine - cover
    • Pages: c1 - c1
      Abstract: Presents the front cover for this issue of the publication.
      PubDate: October 2014
      Issue No: Vol. 52, No. 10 (2014)
  • Global Communications Newsletter - October 2014
    • Pages: 1 - 4
      Abstract: Related articles within the newsletter: Membership Programs Development: Toward Better Services for Members and Future Members Worldwide Interview with Koichi Asatani, Director of Membership Programs Development; IEEE PerCom 2014 Conference in Budapest, Hungary; Lectures on Mobile Networks as a Cloud Service by Tarik Taleb in Beijing, China
      PubDate: October 2014
      Issue No: Vol. 52, No. 10 (2014)
  • IEEE Communications Magazine - Table of contents
    • Pages: 2 - 4
      Abstract: Presents the table of contents for this issue of this magazine.
      PubDate: October 2014
      Issue No: Vol. 52, No. 10 (2014)
  • ComSoc's strategic planning for the "smart revolution" [The President's
    • Authors: Benedetto; S.;Lee, B.G.;
      Pages: 6 - 10
      Abstract: The environment surrounding the IEEE Communications Society (ComSoc) has been changing continuously, with the major thrust coming from technology and market changes. The days of telephone-based communications began to fade with the divesture of AT&T and privatization of telco businesses in the late 1980s. The decline of the telecom industry in the 1990s led to the decline in ComSoc's membership. The proliferation of the Internet and the evolution of mobile communications transformed the telecom industry significantly, pushing several traditional telecom manufacturers out of business, which curtailed ComSoc's advertising revenue and conference attendance. Yet another big blow came in the late 2000s from the convergence of communications and computers, whose symbolic outcome is the smart phone. This "Smart Revolution" invited new players such as Apple and Google to the communications arena along with brand-new business models centered on open applications stores. As an aftermath of the Smart Revolution, the communications market began to convert into a software and content driven market. Unfortunately, ComSoc has not yet been able to operationalize strategies to confront the challenges and opportunities of the Smart Revolution.
      PubDate: October 2014
      Issue No: Vol. 52, No. 10 (2014)
  • IEEE GLOBECOM 2014 [Conference Preview]
    • Pages: 12 - 12
      Abstract: IEEE GLOBECOM 2014, the premier international conference dedicated to the advance of the entire array of global communications, has announced the senior-executive and industry panel agenda for its 57th annual event to be held December 8-12 in Austin, Texas. Declared IEEE Week by Austin Mayor Lee Leffingwell, the five-day event will be highlighted by more than 1,500 presentations covering the latest advancements, innovations and breakthroughs in IoT, networking, broadband, cloud computing and other emerging technologies.
      PubDate: October 2014
      Issue No: Vol. 52, No. 10 (2014)
  • Conference calendar
    • Pages: 14 - 14
      Abstract: Provides a notice of upcoming conference events of interest to practitioners and researchers.
      PubDate: October 2014
      Issue No: Vol. 52, No. 10 (2014)
  • Military Communications [Guest Editorial]
    • Authors: Maseng; T.;Landry, R.;Young, K.;
      Pages: 20 - 20
      Abstract: New and diverse types of threats and military conflicts mean that the requirements for military communications continue to evolve. These requirements, along with reduced military spending, impose considerable challenges on researchers and developers of military communications systems. These challenges are exacerbated by technical and environmental limitations, which include harsh RF propagation environments, severe spectrum limitations, topological variability, mobility, and stringent security requirements. Adding to these fundamental challenges is the fact that military networks need to support a wide variety of applications with needs ranging from time-sensitive delivery to reliable large volume data dissemination. Information will emanate from a large range of sources, including remote sensors and unmanned vehicles, both aerial and terrestrial.
      PubDate: October 2014
      Issue No: Vol. 52, No. 10 (2014)
  • Design and practical deployment of a network-centric remotely piloted
           aircraft system
    • Authors: Vidal; I.;Valera, F.;Diaz, M.;Bagnulo, M.;
      Pages: 22 - 29
      Abstract: Remotely piloted aircraft systems (RPASs) are gaining more are more relevance during the last decade since more applications are being enabled by lighter planes with increasing autonomy, higher ceilings, and more powerful transmission technologies. The integration of the RPAS as part of network-centric warfare would be a very important milestone to achieve because of the huge amount of information and capabilities that all these aircrafts can incorporate into the global scheme. This integration is easier for handheld (short-range) RPASs since their communications are typically based on digital transmission like WiFi or WiMAX, but it may not be as obvious for bigger RPASs (long-range, e.g., tactical or medium/high altitude systems) because their line of sight communications are frequently based on analog transmissions. This implies indirect integration into network-centric warfare by means of the ground control station (satellite communications, when available, may suffer notorious delay for certain applications). This article presents a recent practical experience, including flight test campaigns, deploying an all- IP communication architecture into one of the most relevant Spanish tactical RPASs, the SIVA, used by both the Spanish Army and the Spanish Air Force for the last 10 years. This deployment enables cost-effective integration of this RPAS (and its natural successor, the MILANO, a medium- altitude RPAS) into the network-centric warfare by means of direct TCP/IP transmissions over a long-range digital line of sight channel combined with satellite communications for beyond line of sight operations. The proposed design includes network-level security over the radio interfaces, automatic data link selection, support of remote video terminals, and access connectivity toward external IPv6 networks.
      PubDate: October 2014
      Issue No: Vol. 52, No. 10 (2014)
  • Airborne network evaluation: challenges and high fidelity emulation
    • Authors: Kyung Kwak;Sagduyu; Y.;Yackoski, J.;Azimi-Sadjadi, B.;Namazi, A.;Deng, J.;Li, J.;
      Pages: 30 - 36
      Abstract: The future AN is envisioned as an IP-based hierarchical network with heterogeneous nodes and waveforms. Due to its highly dynamic nature and bandwidth constraints, new AN technologies are needed to provide reliable network operations with similar levels of mission support as in terrestrial networks. This article first identifies challenges in designing and evaluating AN technologies and then describes an ongoing effort to develop a realistic wireless testing and performance evaluation platform for ANs. A set of use cases are presented to illustrate how high fidelity emulation can be used to evaluate new architectures and protocols in AN environments.
      PubDate: October 2014
      Issue No: Vol. 52, No. 10 (2014)
  • Beyond-line-of-sight communications with ducting layer
    • Authors: Dinc; E.;Akan, O.;
      Pages: 37 - 43
      Abstract: Near-surface wave propagation at microwave frequencies, especially 2 GHz and above, shows significant dependence on atmospheric ducts that are the layer in which rapid decrease in the refractive index occurs. The propagating signals in the atmospheric ducts are trapped between the ducting layer and the sea surface, so that the power of the propagating signals do not spread isotropically through the atmosphere. As a result, these signals have low path loss and can travel over the horizon. Since atmospheric ducts are nearly permanent in maritime and coastal environments, ducting layer communication is a promising method for b-LoS communications especially in naval communications. To this end, we overview the characteristics and the channel modeling approaches for ducting layer communications by outlining possible open research areas. In addition, we review the possible utilization of the ducting layer in network-centric operations to empower decision making for the b-LoS operations.
      PubDate: October 2014
      Issue No: Vol. 52, No. 10 (2014)
  • Disaster resilience in communication networks [Guest Editorial]
    • Authors: Nogueira; M.;Cho??da, P.;Medhi, D.;Doverspike, R.;
      Pages: 44 - 45
      Abstract: We experience society's growing dependence on electronic communication networks in every aspect of our lives. With this comes the expectation that communication networks are readily available all the time. Networking protocols are designed to address some simple failures, such as when a packet is dropped, a retransmission occurs, or the size of the transmission window is adjusted to accommodate congestion. Similarly, routing protocols have the functionality to route around a failure. That is, communications networks have certain built-in resilience for certain specific types of failure situations. Furthermore, networks can be designed with backup paths and capacity to protect against a failure as part of critical infrastructure protection.
      PubDate: October 2014
      Issue No: Vol. 52, No. 10 (2014)
  • All quiet on the internet front?
    • Authors: Doerr; C.;Kuipers, F.A.;
      Pages: 46 - 51
      Abstract: With the proliferation and increasing dependence of many services and applications on the Internet, this network has become a vital societal asset. This creates the need to protect this critical infrastructure, and over the past years a variety of resilience schemes have been proposed. The effectiveness of protection schemes, however, highly depends on the causes and circumstances of Internet failures, but a detailed comprehensive study of this is not yet available to date. This article provides a high-level summary of an evaluation of Internet failures over the past six years, and presents a number of recommendations for future network resilience research.
      PubDate: October 2014
      Issue No: Vol. 52, No. 10 (2014)
  • Network design requirements for disaster resilience in IaaS clouds
    • Authors: Souza Couto; R.;Secci, S.;Mitre Campista, M.;Kosmalski Costa, L.M.;
      Pages: 52 - 58
      Abstract: Many corporations rely on disaster recovery schemes to keep their computing and network services running after unexpected situations, such as natural disasters and attacks. As corporations migrate their infrastructure to the cloud using the infrastructure as a service model, cloud providers need to offer disaster-resilient services. This article provides guidelines to design a data center network infrastructure to support a disaster-resilient infrastructure as a service cloud. These guidelines describe design requirements, such as the time to recover from disasters, and allow the identification of important domains that deserve further research efforts, such as the choice of data center site locations and disaster-resilient virtual machine placement.
      PubDate: October 2014
      Issue No: Vol. 52, No. 10 (2014)
  • On-the-fly establishment of multihop wireless access networks for disaster
    • Authors: Quang Tran Minh;Kien Nguyen;Borcea; C.;Yamada, S.;
      Pages: 60 - 66
      Abstract: This article proposes a novel approach to onthe- fly establishment of multihop wireless access networks (OEMAN) for disaster response. OEMAN extends Internet connectivity from surviving access points to disaster victims using their own mobile devices. OEMAN is set up on demand using wireless virtualization to create virtual access points on mobile devices. Virtual access points greedily form a tree-based topology, configured automatically for naming and addressing, which is then used to provide multihop wireless Internet access to users. Ordinary users can easily connect to the Internet through OEMAN as if they are connected through conventional access points. After connecting, users naturally contribute to the network extension, realizing the self-supporting capability of a disaster's local communities. The proposed scheme establishes a wireless access network quickly, which is essential in emergency relief situations. Furthermore, OEMAN is transparent to users and cost effective as it does not require additional hardware. Experimental evaluations on top of our preliminary prototype over Windows-based laptops confirm OEMAN's feasibility and its effectiveness for multihop paths of up to seven hops, and standard Internet services such as audio and video streaming.
      PubDate: October 2014
      Issue No: Vol. 52, No. 10 (2014)
  • Enabling emergency communication through a cognitive radio vehicular
    • Authors: Yifan Sun;Chowdhury; K.;
      Pages: 68 - 75
      Abstract: Unexpected disasters, both naturally occurring and those caused through human actions, result in severe damage to communication infrastructure. Additionally, such events are accompanied by sharp spikes in the usage of commercially licensed spectrum, when affected victims of the tragedy attempt to transmit information about themselves and capture high bandwidth data in the form of pictures and videos. We envisage cognitive radio as a candidate solution in such situations, where the devices can identify alternate frequency bands, and opportunistically use them. In this article, we describe a network architecture called EC-CRVN composed of CR enabled vehicles that provide critical wireless connectivity to both the general public and emergency responders. We discuss the application scenarios and salient features of the EC-CRVN. We describe the existing state of the art, the research challenges involved in realizing them, and a new approach of spectrum sensing using moving vehicles that reduces errors without adding to communication overhead.
      PubDate: October 2014
      Issue No: Vol. 52, No. 10 (2014)
  • Mobile crowd sensing: part 2 [Guest Editorial]
    • Authors: Guo; B.;Calabrese, F.;Miluzzo, E.;Musolesi, M.;
      Pages: 76 - 77
      Abstract: Mobile crowd sensing (MCS) presents a new sensing paradigm that empowers ordinary citizens to contribute data sensed or generated from their mobile devices (e.g., smartphones, wearable devices, smart vehicles), and aggregates and fuses the data in the cloud for crowd intelligence extraction and human-centric service delivery. MCS benefits a number of application areas regarding urban/community dynamics monitoring, environment monitoring, traffic planning, public safety, and beyond. At the same time, numerous and unique research challenges, such as participatory data collection, optimal sensing node selection, proper incentive mechanisms, transient network communication, data quality/trust maintenance, cross-space data processing, and so on, arise from the MCS paradigm.
      PubDate: October 2014
      Issue No: Vol. 52, No. 10 (2014)
  • The participact mobile crowd sensing living lab: The testbed for smart
    • Authors: Cardone; G.;Cirri, A.;Corradi, A.;Foschini, L.;
      Pages: 78 - 85
      Abstract: In recent years, the widespread availability of smartphones provided with sensors has enabled the possibility of harvesting large quantities of data in urban areas exploiting user devices, thus enabling so-called mobile crowd sensing (MCS). While many efforts have been made to improve specific techniques for MCS - spanning from signal processing to the assignment of data collection campaigns to users, and to the entire data processing spectrum - to the best of our knowledge, thus far there have been no active experiments of MCS that involve all these techniques in a large-scale real-world experiment. Based on these considerations, we started the ParticipAct Living Lab testbed, an ongoing experiment at the University of Bologna involving 300 students for one year in crowd sensing campaigns that can passively access smartphone sensors and also require active user collaboration. In this article we describe the guidelines behind the design of ParticipAct, as well as its features and architecture. Moreover, we report some of the seminal results gathered during the first three months of its deployment, including accuracy of the classifier provided by ParticipAct client and user inclination to successfully complete tasks depending on the level of active collaboration required to executing them.
      PubDate: October 2014
      Issue No: Vol. 52, No. 10 (2014)
  • MCNet: Crowdsourcing wireless performance measurements through the eyes of
           mobile devices
    • Authors: Rosen; S.;Sung-Ju Lee;Jeongkeun Lee;Congdon, P.;Mao, Z.M.;Burden, K.;
      Pages: 86 - 91
      Abstract: Measurement of network performance in complex WiFi networks, such as in corporations and universities, is an important but challenging task, as wireless performance in networks with many access points is hard to measure and model. We demonstrate that crowdsourcing the task of measuring WiFi performance is an effective solution to this problem. By measuring performance directly with unmodified consumer mobile devices such as smartphones, it is possible to cheaply and easily detect problems that matter to users. Aggregated performance data across clients can then provide a global view of performance trends in an enterprise network. We demonstrate that periodic sampling allows the collection of representative data while keeping battery consumption low, and we leverage mobile sensor information to intelligently schedule these measurements. This system was deployed in two different large WLANs, where we discovered numerous previously undetected performance problems.
      PubDate: October 2014
      Issue No: Vol. 52, No. 10 (2014)
  • Crowdsensing the speaker count in the wild: implications and applications
    • Authors: Chenren Xu;Sugang Li;Yanyong Zhang;Miluzzo; E.;Yi-farn Chen;
      Pages: 92 - 99
      Abstract: The mobile crowdsensing (MCS) paradigm enables large-scale sensing opportunities at lower deployment costs than dedicated infrastructures by utilizing today¿s large number of mobile devices. In the context of MCS, end users with sensing and computing devices can share and extract information of common interest. In this article, we examine Crowd++, an MCS application that accurately estimates the number of people talking in a certain place through unsupervised machine learning analysis on audio segments captured by mobile devices. Such a technique can find application in many domains, such as crowd estimation, social sensing, and personal well being assessment. In this article, we demonstrate the utility of this technique in the context of conference room usage estimation, social diaries, and social engagement in a power-efficient manner followed by a discussion on privacy and possible optimizations to Crowd++ software.
      PubDate: October 2014
      Issue No: Vol. 52, No. 10 (2014)
  • Integrated circuits for communications [Series Editorial]
    • Authors: Chien; C.;Xu, Z.;
      Pages: 100 - 101
      Abstract: In this issue of Topics in Integrated Circuits for Communications, we have selected three papers that mark recent progress in the communications semiconductor industry that is enabling future communication systems and services characterized by high throughput and pervasive connectivity.
      PubDate: October 2014
      Issue No: Vol. 52, No. 10 (2014)
  • A review of high-speed coherent transmission technologies for long-haul
           DWDM transmission at 100g and beyond
    • Authors: Bennett; G.;Kuang-tsan Wu;Malik, A.;Roy, S.;Awadalla, A.;
      Pages: 102 - 110
      Abstract: Over the past five years, coherent transmission technologies have delivered more than an order of magnitude improvement in the capacity- reach product for long-haul DWDM transmission systems. This article provides a working definition of "coherent transmission" based on current market realities; provides a functional model for beyond 100G coherent systems, and then examines five key technologies that will deliver beyond 100G: evolving transmitter technologies, including Nyquist pulse shaping and nonlinear compensation of transmitter devices; nonlinear compensation for the propagation effect; further advances in FEC technology; flexible grid DWDM and coherent super-channels. In each case we explain the factors in terms of optical or electronic component performance that are most likely to result in system performance limitations, and discuss engineering strategies to mitigate those limitations.
      PubDate: October 2014
      Issue No: Vol. 52, No. 10 (2014)
  • Software defined radio receivers exploiting noise cancelling: A tutorial
    • Authors: Klumperink; E.A.M.;Nauta, B.;
      Pages: 111 - 117
      Abstract: Traditional radio receivers were narrowband and dedicated to a single frequency band exploiting LC tanks, whereas software defined radios target a flexibly programmable frequency. The broadband noise cancelling circuit technique has proven useful to achieve this target, as it breaks the traditional trade-off between low noise and broadband impedance matching. Different variants exist, with noise cancellation in the voltage or current domain, either at RF or after frequency translation to baseband. This article reviews the development of the noise cancelling technique and its role in inductorless interference robust software defined radio receivers.
      PubDate: October 2014
      Issue No: Vol. 52, No. 10 (2014)
  • Toward wearable wireless thermometers for internal body temperature
    • Authors: Popovic; Z.;Momenroodaki, P.;Scheeler, R.;
      Pages: 118 - 125
      Abstract: This article overviews the motivations and challenges for non-invasive wireless measurements of internal human body temperature. Microwave radiometry is an attractive method for internal thermometry, with the possibility of a wearable device that can continuously monitor temperature inside body tissues in different parts of the body, store the data, and transmit it to a digital medical record. Currently, there are a limited number of available device solutions, and they are usually not wearable or wireless. Here we discuss a possible path to implementing such a thermometer, with some initial results demonstrating about 0.2 K measurement sensitivity, and a difference between the maximal and minimal error w.r.t. a thermocouple measurement of 0.5 K. Several probes for multi-band radiometers are also presented at frequencies of 410 MHz, and 1.4, 2.7, and 4.9 GHz. The main challenges of RF interference, sensitivity, calibration, spatial resolution, miniaturization, and probe design are discussed.
      PubDate: October 2014
      Issue No: Vol. 52, No. 10 (2014)
  • Design and implementation: Dealing with large-scale bug traces [Series
    • Authors: Gurbani; V.K.;Loreto, S.;
      Pages: 126 - 126
      Abstract: The convergence between the telecom, Internet, and lately web worlds has been progressing at different speeds and with different results over the last decade. Everything started with the VoIP effort in the late -90s and is continuing nowadays with both IETF and W3C involvement in standardizing Web Real Time Communication (WebRTC).
      PubDate: October 2014
      Issue No: Vol. 52, No. 10 (2014)
  • Opening up telecom networks with a lightweight web element service cloud
           for ordinary users in the web 2.0 era
    • Authors: Xiuquan Qiao;Junliang Chen;Pingli Gu;Yong Li;
      Pages: 127 - 133
      Abstract: Service creation by ordinary users without technical know-how has become increasingly popular in the Web 2.0 era. There is a growing need for ordinary Web 2.0 users to embed telecom services into their existing web applications such as blog, wiki, or online shops' homepages without conventional programming. However, the current open APIs, SDK, and graphical service creation environment technologies are mainly aimed at experienced developers with professional technical knowledge, rather than ordinary Web 2.0 users. To facilitate the latter's use of telecom network services in their web applications, this article proposes a novel web-element-based exposure approach for such services. It encapsulates lowlevel APIs in a series of customised independent web elements, which can be directly embedded in the web page by the Customization-Copy-Paste feature. The flexible invocation of telecom services by ordinary Web 2.0 users will greatly promote web-based telecommunication applications.
      PubDate: October 2014
      Issue No: Vol. 52, No. 10 (2014)
  • Signal identification for adaptive spectrum hyperspace access in wireless
           communications systems
    • Authors: Gorcin; A.;Arslan, H.;
      Pages: 134 - 145
      Abstract: Technologies that will lead to adaptive, intelligent, and aware wireless communications systems are expected to offer solutions to the capacity, interference, and reliability problems of wireless networks. The spectrum sensing feature of CR systems is a step forward to better recognize the problems and to achieve efficient spectrum allocation. On the other hand, even though spectrum sensing can constitute a solid base to accomplish the reconfigurability and awareness goals of next generation networks, a new perspective is required to benefit from all of the dimensions of the available electro (or spectrum) hyperspace, beyond frequency and time. Therefore, spectrum sensing should evolve to a more general and comprehensive awareness-providing mechanism, not only as part of CR systems but also as a communication environment-awareness component of an ASHA paradigm that can adapt sensing parameters autonomously to ensure robust signal identification, parameter estimation, and interference avoidance. Such an approach will lead to recognition of communication opportunities in different dimensions of the spectrum hyperspace, and provide necessary information about the air interfaces, access techniques, and waveforms that are deployed over the monitored spectrum to accomplish ASHA resource and interference management.
      PubDate: October 2014
      Issue No: Vol. 52, No. 10 (2014)
  • Splitarchitecture: SDN for the carrier domain
    • Authors: John; W.;Kern, A.;Kind, M.;Skoldstrom, P.;Staessens, D.;Woesner, H.;
      Pages: 146 - 152
      Abstract: The concept of SDN has emerged as a way to address numerous challenges with traditional network architectures by decoupling network control and forwarding. So far, the use cases for SDN mainly targeted data-center applications. This article considers SDN for network carriers, facing operation of large-scale networks with millions of customers, multiple technologies, and high availability demands. With specific carrier-grade features such as scalability, reliability, flexibility, modularity, and virtualization in mind, the SPARC EU project has developed the SPARC SplitArchitecture concept. The SplitArchitecture control plane allows hierarchical layering of several control plane layers which can be flexibly mapped to data plane layers. Between control layers open interfaces are used. Furthermore, SplitArchitecture proposes an additional split of forwarding and processing functions in data path elements, enabling switch based OAM functionality and handling of tunneling techniques. The SplitArchitecture concept is evaluated in a prototype demonstrating an SDN version of BRAS: the floating BRAS. The floating BRAS allows creation of residential Internet access services with dynamically managed BRAS instances. The demo is based on a controller enabling protected MPLS transport connections spanning SDN-controlled aggregation and IP/MPLS-based core domains. The prototype showcases how SplitArchitecture enables virtualization of service nodes in an SDN-controlled network, leading to increased flexibility in configuration and placement of service creation functions. Overall, the results show that it is technically and economically beneficial to apply SDN, and specifically the SplitArchitecture concept, to the carrier domain.
      PubDate: October 2014
      Issue No: Vol. 52, No. 10 (2014)
  • LTE-Advanced coverage enhancements
    • Authors: Yifei Yuan;Zhisong Zuo;Yanfeng Guan;Xianming Chen;Wei Luo;Qi Bi;Peng Chen;Xiaoming She;
      Pages: 153 - 159
      Abstract: Various technologies in LTE/LTE-Advanced have significantly improved the data throughput of 4G systems. However, the coverage of LTE networks, a very important performance metric to operators, receives relatively less attention. In this article we describe the motivations of LTE coverage enhancements from several aspects. Through link budget analysis, the limiting link and channels are identified. Then potential solutions to LTE coverage enhancements are discussed in a comprehensive manner, with the focus on schemes of specification impact. This article provides insights on how to design practical schemes to improve the coverage of LTE/ LTE-Advanced systems.
      PubDate: October 2014
      Issue No: Vol. 52, No. 10 (2014)
  • Advertisers' index
    • Pages: 160 - 160
      Abstract: Listing of the advertisers represented in this issue.
      PubDate: October 2014
      Issue No: Vol. 52, No. 10 (2014)
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