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  Subjects -> COMMUNICATIONS (Total: 325 journals)
    - AUDIO/VIDEO RECORDING AND REPRODUCTION (13 journals)
    - COMMUNICATIONS (271 journals)
    - DIGITAL AND WIRELESS COMMUNICATION (23 journals)
    - MEETINGS AND CONGRESSES (7 journals)
    - RADIO, TELEVISION AND CABLE (11 journals)

COMMUNICATIONS (271 journals)                  1 2 3 | Last

ACM Transactions on Information Systems (TOIS)     Full-text available via subscription   (Followers: 11)
ACM Transactions on Multimedia Computing, Communications, and Applications (TOMCCAP)     Full-text available via subscription   (Followers: 7)
Acta Graphica     Open Access   (Followers: 1)
Advances in the History of Rhetoric     Hybrid Journal   (Followers: 7)
African Journal of Information Systems     Open Access   (Followers: 5)
Ambitos     Open Access   (Followers: 1)
American Medical Writers Association Journal     Full-text available via subscription  
Annals of Telecommunications     Hybrid Journal   (Followers: 4)
Área Abierta     Open Access   (Followers: 1)
Art Design & Communication in Higher Education     Hybrid Journal   (Followers: 23)
artciencia.com : Revista de Arte, Ciência e Comunicação     Open Access   (Followers: 3)
Atatürk İletişim Dergisi     Open Access  
Audiology - Communication Research     Open Access   (Followers: 3)
Augmentative and Alternative Communication     Hybrid Journal   (Followers: 13)
AVATARES de la Comunicación y la Cultura     Open Access  
Baltic International Yearbook of Cognition, Logic and Communication     Open Access  
Bioelectromagnetics     Hybrid Journal   (Followers: 1)
Black Camera     Full-text available via subscription   (Followers: 5)
C&SC - Communication & Social Change     Open Access   (Followers: 2)
Canadian Journal of Communication     Partially Free   (Followers: 15)
Catalan Journal of Communication & Cultural Studies     Hybrid Journal   (Followers: 3)
Celebrity Studies     Hybrid Journal   (Followers: 8)
China Communications     Full-text available via subscription   (Followers: 2)
Chinese Journal of Communication     Hybrid Journal   (Followers: 7)
CIC. Cuadernos de Informacion y Comunicacion     Open Access   (Followers: 8)
Coactivity: Philosophy, Communication / Santalka: Filosofija, Komunikacija     Open Access  
CoDAS     Open Access  
Comedy Studies     Hybrid Journal   (Followers: 6)
ComHumanitas     Open Access  
Common Knowledge     Full-text available via subscription   (Followers: 5)
Commons. Revista de Comunicación y Ciudadanía Digital     Open Access  
Communicare : Journal for Communication Sciences in Southern Africa = Communicare : Tydskrif vir Kommunikasiewetenskappe in Suider-Afrika     Full-text available via subscription   (Followers: 4)
Communicatio : South African Journal for Communication Theory and Research     Hybrid Journal   (Followers: 3)
Communication     Open Access   (Followers: 11)
Communication & Sport     Hybrid Journal  
Communication & Language at Work     Open Access   (Followers: 4)
Communication Booknotes Quarterly     Hybrid Journal   (Followers: 13)
Communication et organisation     Open Access   (Followers: 1)
Communication Papers : Media Literacy & Gender Studies     Open Access   (Followers: 3)
Communication, Culture & Critique     Hybrid Journal   (Followers: 17)
Communications     Full-text available via subscription   (Followers: 7)
Communications in Mobile Computing     Open Access   (Followers: 14)
Communications of the Association for Information Systems     Open Access   (Followers: 11)
Comunicació. Revista de recerca i d'anàlisi     Open Access  
Comunicacion y Hombre     Open Access   (Followers: 2)
Comunicación y Medios     Open Access   (Followers: 3)
Comunicación y sociedad     Open Access   (Followers: 2)
Comunicar     Open Access  
Conexão - Comunicação e Cultura     Open Access  
Convergence The International Journal of Research into New Media Technologies     Hybrid Journal   (Followers: 24)
Creative Artist : A Journal of Theatre and Media Studies     Open Access   (Followers: 2)
Cross-cultural Communication     Open Access   (Followers: 7)
Cuadernos de Informacion     Open Access  
Cuadernos del Centro de Estudios en Diseño y Comunicación     Open Access   (Followers: 1)
Current Narratives     Open Access   (Followers: 9)
Democratic Communiqué     Open Access   (Followers: 1)
Design Ecologies     Hybrid Journal   (Followers: 6)
Digithum     Open Access   (Followers: 2)
Discourse, Context & Media     Open Access   (Followers: 7)
Documentación de las Ciencias de la Información     Open Access  
e-learning and education (eleed)     Open Access   (Followers: 187)
Editio     Full-text available via subscription   (Followers: 2)
Educação, Formação & Tecnologias     Open Access  
Electronic Journal of Knowledge Management     Open Access   (Followers: 13)
Electronics and Communications in Japan     Hybrid Journal   (Followers: 5)
Empedocles : European Journal for the Philosophy of Communication     Hybrid Journal   (Followers: 1)
Enquête - Articles     Open Access   (Followers: 1)
ESSACHESS : Journal for Communication Studies     Open Access   (Followers: 1)
Etudes de communication     Open Access   (Followers: 2)
EURASIP Journal on Embedded Systems     Open Access   (Followers: 8)
Evidence Based Library and Information Practice     Open Access   (Followers: 370)
Explorations in Media Ecology     Hybrid Journal   (Followers: 3)
Fibreculture Journal     Open Access   (Followers: 5)
FLEKS : Scandinavian Journal of Intercultural Theory and Practice     Open Access  
Fonseca : Journal of Communication     Open Access   (Followers: 4)
Foundations and Trends® in Communications and Information Theory     Full-text available via subscription   (Followers: 6)
Framework : The Journal of Cinema and Media     Full-text available via subscription   (Followers: 13)
Galáxia (São Paulo)     Open Access  
Gesture     Full-text available via subscription   (Followers: 4)
Global Advances in Business Communication     Open Access   (Followers: 4)
Global Media Journal     Open Access   (Followers: 3)
H-ermes. Journal of Communication     Open Access   (Followers: 1)
Historia y Comunicación Social     Open Access  
Ibérica     Open Access  
IEICE - Transactions on Fundamentals of Electronics, Communications and Computer Sciences     Full-text available via subscription   (Followers: 6)
IET Communications     Hybrid Journal   (Followers: 7)
Imaging Decisions MRI     Hybrid Journal   (Followers: 2)
index.comunicación     Open Access  
InfoDesign - Revista Brasileira de Design da Informação     Open Access  
Informal Logic     Open Access   (Followers: 4)
Informatics     Open Access   (Followers: 2)
Information & Communications Technology Law     Hybrid Journal   (Followers: 13)
Information Design Journal     Full-text available via subscription   (Followers: 6)
Information Technologies & International Development     Open Access   (Followers: 205)
Information, Communication & Society     Hybrid Journal   (Followers: 179)
Intelligent Information Management     Open Access   (Followers: 5)
Interaction Studies     Full-text available via subscription   (Followers: 6)
Interactions : Studies in Communication & Culture     Hybrid Journal   (Followers: 1)
International Journal of Ad Hoc and Ubiquitous Computing     Hybrid Journal   (Followers: 8)
International Journal of Advanced Media and Communication     Hybrid Journal   (Followers: 14)

        1 2 3 | Last

EURASIP Journal on Embedded Systems
   [10 followers]  Follow    
  This is an Open Access Journal Open Access journal
     ISSN (Print) 1687-3955 - ISSN (Online) 1687-3963
     Published by SpringerOpen Homepage  [150 journals]   [SJR: 0.176]   [H-I: 13]
  • Dual-access way-prediction cache for embedded systems

    • Authors: Yul Chu, Jin Park
      First page: 16
      Abstract: Way-prediction (WP) caches have advantages of reducing power consumption and latency for highly associative data caches and thus are favorable for embedded systems. In this paper, we propose an enhanced way-prediction cache, dual-access way-prediction (DAWP) cache, to cope with the weakness of the WP cache. The prediction logic designed for the DAWP cache contains a scaled index table, a global history register, and a fully associative cache to achieve higher prediction accuracy, which eventually yields less energy consumption and latency. In our practice, performance measurement is done with a simulation model, which is implemented with SimpleScalar and CACTI, and nine SPEC2000 benchmark programs. Our experimental results show that the proposed DAWP cache is highly efficient in power and latency for highly associative cache structures. The efficiency is increased with the increasing associativity, and the testing results with 64 KB cache show that the DAWP cache achieves 16.45% ~ 75.85% power gain and 4.91% ~ 26.96% latency gain for 2-way ~ 32-way structures, respectively. It is also observed that the random replacement policy yields better efficiency in power and latency than the LRU (least recently used) policy with the DAWP cache.
      Citation: EURASIP Journal on Embedded Systems 2014, null:16
      PubDate: 2014-05-20T00:00:00Z
      DOI: 10.1186/1687-3963-2014-16
      Issue No: Vol. ${item.volume} (2014)
       
  • A methodology for hand and finger motion analysis using adaptive
           probabilistic models

    • Authors: Chutisant Kerdvibulvech
      First page: 18
      Abstract: A methodology for motion analysis and hand tracking based on adaptive probabilistic models is presented. This is done by integrating a deterministic clustering framework and a particle filter together in real time. The skin color of a human hand is firstly segmented. A Bayesian classifier and an adaptive process are utilized for determining skin color probabilities. The methodology enables us to deal with luminance changes. After that, we determine the probabilities of the fingertips by using semicircle models for fitting curves to fingertips. Following this, the deterministic clustering algorithm is utilized to search for regions of interest, and then the Sequential Monte Carlo is also performed to track the fingertips efficiently. Representative experimental results are also included to ensure workability of the proposed framework. Several issues about using the presented method in embedded systems are discussed. The method presented can be used to further develop the associated applications of embedded robotic and virtual reality.
      Citation: EURASIP Journal on Embedded Systems 2014, null:18
      PubDate: 2014-07-03T00:00:00Z
      DOI: 10.1186/s13639-014-0018-7
      Issue No: Vol. ${item.volume} (2014)
       
  • Automatic leaking carrier canceller adjustment techniques

    • Authors: Gregor Lasser, Robert Langwieser, Christoph Mecklenbräuker
      First page: 8
      Abstract: In this contribution, four automatic adjustment algorithms forleakage carrier cancellation in radio frequency identification (RFID) readers are compared: fullsearch, gradient search, fast and direct I/Q algorithms. Further,we propose two enhanced adjustment procedures.First, we analytically calculate the performance of the fastadjustment algorithm in the presence of noise and derive itstheoretical bias. We compare the theoretical results with the numericalresults from accompanying simulations. Further, we evaluate theperformance of these algorithms based on real-world measurementsacquired with our RFID testbed.Finally, we propose and discuss the merits of two enhanced adjustment procedures based on the fast adjustmentalgorithm. The fast adjustment procedure with bipolar probing signals achieves the isolation gain of the(much slower) gradient search algorithm at the expense of a mean penalty of 0.48 dB. We observe that the fastadjustment aided gradient algorithm requires 72% less steps than the gradient search algorithm in ourmeasurements.
      Citation: EURASIP Journal on Embedded Systems 2013, null:8
      PubDate: 2013-05-07T00:00:00Z
      DOI: 10.1186/1687-3963-2013-8
      Issue No: Vol. ${item.volume} (2013)
       
  • Use of compiler optimization of software bypassing as a method to improve
           energy efficiency of exposed data path architectures

    • Authors: Vladimír Guzma, Teemu Pitkänen, Jarmo Takala
      First page: 9
      Abstract: In the design of embedded systems, hardware and software need to be co-exploredtogether to meet targets of performance and energy. With the use of application-specific instruction-set processors, as a stand-alone solution or as a part of a systemon chip, the customization of processors for a particular applicationis a known method to reduce energy requirements and provide performance.In particular, processor designs with exposed data paths trade compile time complexity for simplified control hardware and lower running costs. An exposed data path also allows the removal of unused components of interconnection network, once the application is compiled.In this paper, we propose the use of a compiler technique for processors with exposeddata paths, called software bypassing. Software bypassing allows the compiler toschedule data transfers between execution units directly, bypassing the use of a general-purpose register file, increasing scheduling freedom, with reduceddependencies induced by the reuse of registers, decreasing the number of read and writeaccesses to register files, and allowing the use of register files with less read andwrite ports while maintaining or improving performance and maintaining reprogrammability.We compare our proposal against an architecture exploration technique, connectivity reduction,which finds in compiled application all interconnection network componentsthat are used and removes those which are not, leading to an energy-efficientapplication-specific instruction-set processor.We observe that the use of software bypassing leads to improvements in application speed, with architectures having the smallest number of register file ports consistently outperforming architectures with larger number of ports, and reduction in energy consumption. In contrast, connectivity reduction maintains the same application speed, reduces energy consumption, and allows for increase in processor frequency; however, with the clock frequency increased to match the performance of software bypassing, energy consumption grows.We also observe that in case reprogrammability is not an issue, the most energy-efficient solution is a combination of software bypassing and connectivity reduction.
      Citation: EURASIP Journal on Embedded Systems 2013, null:9
      PubDate: 2013-05-10T00:00:00Z
      DOI: 10.1186/1687-3963-2013-9
      Issue No: Vol. ${item.volume} (2013)
       
  • Trade-off between maximum cardinality of collision sets and accuracy of
           RFID reader-to-reader collision detection

    • Authors: Linchao Zhang, Filippo Gandino, Renato Ferrero, Bartolomeo Montrucchio, Maurizio Rebaudengo
      First page: 10
      Abstract: As the adoption of the radio-frequency identification (RFID) technology is increasing, many applications require a dense reader deployment. In such environments, reader-to-reader interference becomes a critical problem, so the proposal of effective anti-collision algorithms and their analysis are particularly important. Existing reader-to-reader anti-collision algorithms are typically analyzed using single interference models that consider only direct collisions. The additive interference models, which consider the sum of interferences, are more accurate but require more computational effort. The goal of this paper is to find the difference in accuracy between single and additive interference models and how many interference components should be considered in additive models. An in-depth analysis evaluates to which extent the number of the additive components in a possible collision affects the accuracy of collision detection. The results of the investigation shows that an analysis limited to direct collisions cannot reach a satisfactory accuracy, but the collisions generated by the addition of the interferences from a large number of readers do not affect significantly the detection of RFID reader-to-reader collisions.
      Citation: EURASIP Journal on Embedded Systems 2013, null:10
      PubDate: 2013-05-17T00:00:00Z
      DOI: 10.1186/1687-3963-2013-10
      Issue No: Vol. ${item.volume} (2013)
       
  • Performance analysis of optimal schedulers in single channel dense RFID
           environments

    • Authors: Javier Vales-Alonso, Francisco Javier Parrado-Garcia, Juan Alcaraz
      First page: 11
      Abstract: Schedulers in radio frequency identification dense environments aim at distributing optimally a set of t slots between a group of m readers. In single-channel environments, the readers within mutual interference range must transmit at different times; otherwise, interferences prevent identification of the tags. The goal is to maximize the expected number of tags successfully identified within the t slots. This problem may be formulated as a mixed integer non-linear mathematical program, which may effectively exploit available knowledge about the number of competing tags in the reading zone of each reader. In this paper, we present this optimization problem and analyze the impact of tag estimation in the performance achieved by the scheduler. The results demonstrate that optimal solutions outperform a reference scheduler based on dividing the available slots proportionally to the number of tags in each reader. In addition, depending on the scenario load, the results reveal that there exist an optimum number of readers for the topology considered, since the total average number of identifications depend non-linearly on the load. Finally, we study the effect of imperfect tag population knowledge on the performance achieved by the readers.
      Citation: EURASIP Journal on Embedded Systems 2013, null:11
      PubDate: 2013-06-17T00:00:00Z
      DOI: 10.1186/1687-3963-2013-11
      Issue No: Vol. ${item.volume} (2013)
       
  • A UHF/UWB hybrid silicon RFID tag with on-chip antennas

    • Authors: Philipp Gentner, Robert Langwieser, Arpad Scholtz, Günter Hofer, Christoph Mecklenbräuker
      First page: 12
      Abstract: In this contribution, we describe and analyse a miniature wireless radio frequency identification (RFID) chip with on-chip antennas(OCA)and ultra wideband(UWB)signalling by real-world measurements. With the on-chip antenna approach, no external antennas are required, and the size of the overall tag is identical to the size of the chip alone (3:5mm x 1mm). The chip is powered through inductive coupling and controlled by an RFID signal at 866MHz in the downlink, while the uplink transmits a quaternary pulse-position-modulated (4-PPM) UWB signal at 5:64 GHz with pulses having a duration in the order of nanoseconds. In this contribution, the hybrid or asymmetric communication scheme between prototype chip and reader, the embedded OCA, and the measurement setup are described. The prototype achieves 4-PPM bit rate of 126 Mbit=s based on a pulse-train transmission with a duration of 10 æs. The small size, high data rate, and fine time resolution of the UWB impulse radio offer new features and sensing capabilities for future RFID-like applications.
      Citation: EURASIP Journal on Embedded Systems 2013, null:12
      PubDate: 2013-08-16T00:00:00Z
      DOI: 10.1186/1687-3963-2013-12
      Issue No: Vol. ${item.volume} (2013)
       
  • Dynamic voltage and frequency scaling over delay-constrained mobile
           multimedia service using approximated relative complexity estimation

    • Authors: Jihyeok Yun, Deepak Singh, Doug Suh
      First page: 13
      Abstract: This paper deals with dynamic voltage and frequency scaling (DVFS) in mobile multimedia services. The multimedia services that consume a large amount of energy cannot be continuously used in mobile devices because of battery limitation. The DVFS has been applied to multimedia services in previous studies. However, they have only addressed the issue of power saving and overlooked the fact that mobile multimedia services are sensitive to delays. The proposed method is intended to apply DVFS to multimedia services considering potential delays. Another problem with previous studies is that either separate devices have been employed or appropriate frequency scaling values have been determined through complicated calculation processes to apply DVFS to multimedia services. On the contrary, the proposed method determines appropriate frequency scaling values using the characteristics of multimedia contents without employing any separate devices or undergoing complicated calculation processes. This has the advantage of allowing DVFS to be applied to real-time multimedia content. The present paper proposes a DVFS application method that divides multimedia services into video conferences, which are real-time services, and video streaming, which is a non-real-time service, and that reduces energy consumption in a simple manner while considering the constraints of service delays.
      Citation: EURASIP Journal on Embedded Systems 2013, null:13
      PubDate: 2013-09-04T00:00:00Z
      DOI: 10.1186/1687-3963-2013-13
      Issue No: Vol. ${item.volume} (2013)
       
  • An embedded multichannel telemetry unit for bone strain monitoring

    • Authors: Fahad Moiz, Sharika Kumar, Walter Leon-Salas, Mark Johnson
      First page: 14
      Abstract: An embedded telemetry unit for bone strain monitoring is presented. The telemetry unit is designed using commercially available components to lower design time and manufacturing costs. The unit can read up to eight strain gauges and measures 2.4 cm × 1.3 cm × 0.7 cm. The unit is powered from a small Li-polymer battery that can be recharged wirelessly through tissue, making it suitable for implanted applications. The average current consumption of the telemetry unit is 1.9 mA while transmitting at a rate of 75 kps and at a sampling rate of 20 Hz. The telemetry unit also features a power-down mode to minimize its power consumption when it is not in use. The telemetry unit operates in the 915-MHz ISM radio band. The unit was tested in an ex vivo setting with an ulna bone from a mouse and in a simulated in vivo setting with a phantom tissue. Bone strain data collected ex vivo shows that the telemetry unit can measure strain with an accuracy comparable to a more expensive benchtop data acquisition system.
      Citation: EURASIP Journal on Embedded Systems 2013, null:14
      PubDate: 2013-10-17T00:00:00Z
      DOI: 10.1186/1687-3963-2013-14
      Issue No: Vol. ${item.volume} (2013)
       
  • Agile methods for embedded systems development - a literature review and a
           mapping study

    • Authors: Matti Kaisti, Ville Rantala, Tapio Mujunen, Sami Hyrynsalmi, Kaisa Könnölä, Tuomas Mäkilä, Teijo Lehtonen
      First page: 15
      Abstract: There is a wide area of applications that use embedded systems, and the number of such systems keeps growing. The required functionality and complexity of embedded systems are also constantly increasing, and development of such products is becoming increasingly harder. This requires new thinking on the product development processes, and one such emerging philosophy is the agile methods. These methods were created by the software engineering community where they are commonly used. Since then, they have been adopted in embedded systems development; however, whether they can improve the embedded systems product development processes remains an open question. This study aims to bring forth what is known about agile methods in embedded systems development and to find out if agile practices are suitable in this domain and what evidence is there to support the findings. We conducted a literature review and a mapping study to answer these questions. The scope of this study is not only limited to embedded software development, but also to embedded hardware and integrated circuits. We have found that agile methods can be used in the embedded domain, but the methods and practices need to be adapted to suit the more constrained field of embedded product development. Furthermore, the field of embedded product development has wide diversity of products with different needs and domain-specific problems so that no single method is applicable, but rather many methods and practices are needed for different situations.
      Citation: EURASIP Journal on Embedded Systems 2013, null:15
      PubDate: 2013-11-15T00:00:00Z
      DOI: 10.1186/1687-3963-2013-15
      Issue No: Vol. ${item.volume} (2013)
       
 
 
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