All Stories

  1. Joint DL and UL Channel Estimation for Millimeter Wave MIMO Systems Using Tensor Modeling

    Article • Wireless Communications and Mobile Computing, September 2019, Hindawi Publishing Corporation

    Dr Rafael T. de Sousa Jr.

  2. Low Cost Antenna Array Based Drone Tracking Device for Outdoor Environments

    Article • Wireless Communications and Mobile Computing, June 2019, Hindawi Publishing Corporation

    Dr Rafael T. de Sousa Jr.

  3. Best Practices Kits for the ICT Governance Process within the Secretariat of State-Owned Companies of Brazil and Regarding these Public Companies

    Article • Information, June 2018, MDPI AG

    Dr Rafael T. de Sousa Jr.

  4. Security Architecture and Protocol for Trust Verifications Regarding the Integrity of Files Stored in Cloud Services

    Article • Sensors, March 2018, MDPI AG

    Dr Rafael T. de Sousa Jr.

  5. A National Identity Management Strategy to Enhance the Brazilian Electronic Government

    Article • CLEI electronic journal, December 2017, Centro Latino Americano de Estudios en Informatica

    Dr Rafael T. de Sousa Jr.

  6. A DFT study of a set of natural dyes for organic electronics

    Article • Journal of Molecular Modeling, November 2017, Springer Science + Business Media

    Dr Rafael T. de Sousa Jr.

  7. Cybersecurity and Network Forensics: Analysis of Malicious Traffic towards a Honeynet with Deep Packet Inspection

    Article • Applied Sciences, October 2017, MDPI AG

    Dr Rafael T. de Sousa Jr.

  8. DIRETRIZES PEDAGÓGICAS: PROPOSTA APLICADA A UMA ESCOLA CORPORATIVA DO PODER EXECUTIVO FEDERAL BRASILEIRO

    Article • September 2017, ABED - Associacao Brasileira de Educacao a Distancia

    Dr Rafael T. de Sousa Jr.

  9. Elementos que orientam as ações de verificação de conformidade regulatória à Governança de TI

    Article • May 2017, TECSI

    Dr Rafael T. de Sousa Jr.

  10. Optical and electronic structure description of metal-doped phthalocyanines

    Article • Journal of Molecular Modeling, April 2017, Springer Science + Business Media

    Dr Rafael T. de Sousa Jr.

  11. Distributed Data Service for Data Management in Internet of Things Middleware

    Article • Sensors, April 2017, MDPI AG

    Dr Rafael T. de Sousa Jr.

  12. Security analysis of a proposed internet of things middleware

    Article • Cluster Computing, January 2017, Springer Science + Business Media

    Dr Rafael T. de Sousa Jr.

  13. Elements that Orient the Regulatory Compliance Verification Audits on ICT Governance

    Article • January 2017, ACM (Association for Computing Machinery)

    Dr Rafael T. de Sousa Jr.

  14. NOMA+PRS Amplify-and-forward relay systems

    Article • IET Communications, December 2016, the Institution of Engineering and Technology (the IET)

    Dr Quoc-Tuan Vien, Dr Rafael T. de Sousa Jr.

  15. National strategy of identity management to boost Brazilian electronic government program

    Article • October 2016, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Rafael T. de Sousa Jr.

  16. Secrecy Outage Performance of MIMO Wiretap Channels with Multiple Jamming Signals

    Article • Journal of Communication and Information Systems, January 2016, Sociedad Brasileira de Telecomunicacoes

    Dr Rafael T. de Sousa Jr.

  17. Cybersecurity depends on information security and trust

    Article • The Journal of Supercomputing, October 2015, Springer Science + Business Media

    Dr Rafael T. de Sousa Jr.

  18. Virtual honeynet for government applications.

    Article • June 2015, ABEAT - Associacao Brasileira de Especialistas em Alta Tecnologia

    Dr Rafael T. de Sousa Jr.

  19. Implementing interoperability in a Brazilian seismic event database

    Article • June 2015, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Rafael T. de Sousa Jr.

  20. ANÁLISE MULTIDIMENSIONAL DE FATORES CRÍTICOS DE SUCESSO EM GOVERNANÇA DE TI NA ADMINISTRAÇÃO PÚBLICA FEDERAL À LUZ DOS DADOS DE CONTROLE EXTERNO

    Article • June 2015, TECSI

    Dr Rafael T. de Sousa Jr.

  21. Analysis of SDN Contributions for Cloud Computing Security

    Article • December 2014, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Rafael T. de Sousa Jr.

  22. Secure data storage in distributed cloud environments

    Article • October 2014, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Rafael T. de Sousa Jr.

  23. Application of data mining techniques in the characterization of internal personnel turnover

    Article • June 2014, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Rafael T. de Sousa Jr.

  24. Business process modelling: A study case within the Brazilian Ministry of Planning, Budgeting and Management

    Article • June 2014, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Rafael T. de Sousa Jr.

  25. Extension of the Brazilian Federal government Budget ontology to support the representation of geolocated human development indicators

    Article • June 2014, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Rafael T. de Sousa Jr.

  26. Proposal of a secure, deployable and transparent middleware for Internet of Things

    Article • June 2014, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Rafael T. de Sousa Jr.

  27. Evaluation of Space-Time-Frequency (STF)-Coded MIMO-OFDM Systems in Realistic Channel Models

    Article • May 2014, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Rafael T. de Sousa Jr.

  28. Sensor Localization via Diversely Polarized Antennas

    Article • May 2014, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Rafael T. de Sousa Jr.

  29. A ubiquitous communication architecture integrating transparent UPnP and REST APIs

    Article • International Journal of Embedded Systems, January 2014, Inderscience Publishers

    Dr Rafael T. de Sousa Jr.

  30. Energy harvesting photovoltaic system to charge a cell phone in indoor environments

    Article • January 2014, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Rafael T. de Sousa Jr.

  31. Applying Cooperative MIMO Technique in an Adaptive Routing Mechanism for Wireless Sensor Networks

    Article • December 2013, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Rafael T. de Sousa Jr.

  32. Iterative prewhitening for multidimensional harmonic retrieval: New variants and comparative study

    Article • December 2013, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Rafael T. de Sousa Jr.

  33. IoT architecture to enable intercommunication through REST API and UPnP using IP, ZigBee and arduino

    Article • October 2013, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Rafael T. de Sousa Jr.

  34. Trust-based security for the OLSR routing protocol

    Article • Computer Communications, June 2013, Elsevier

    Dr Rafael T. de Sousa Jr.

  35. Using MIMO Techniques to Enhance Communication Among Static and Mobile Nodes in Wireless Sensor Networks

    Article • March 2013, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Rafael T. de Sousa Jr.

  36. Intelligent and Flexible Manufacturing Product Line Supported by Agents and Wireless Sensor and Actuator Network

    Article • IFAC Proceedings Volumes, January 2013, Elsevier

    Dr Rafael T. de Sousa Jr.

  37. Synchronization for Cooperative MIMO in Wireless Sensor Networks

    Article • January 2013, Springer Science + Business Media

    Dr Rafael T. de Sousa Jr.

  38. Using cooperative MIMO techniques and UAV relay networks to support connectivity in sparse Wireless Sensor Networks

    Article • January 2013, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Rafael T. de Sousa Jr.

  39. Ontologic audit trails mapping for detection of irregularities in payrolls

    Article • November 2012, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Rafael T. de Sousa Jr.

  40. File Exchange in a Private Cloud Supported by a Trust Model

    Article • October 2012, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Rafael T. de Sousa Jr.

  41. File Exchange in Cloud

    Article • June 2012, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Rafael T. de Sousa Jr.

  42. Trust model for private cloud

    Article • June 2012, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Rafael T. de Sousa Jr.

  43. Efficient Fully Simulatable Oblivious Transfer from the McEliece Assumptions

    Article • IEICE Transactions on Fundamentals of Electronics Communications and Computer Sciences, January 2012, Institute of Electronics, Information and Communications Engineers (IEICE)

    Dr Rafael T. de Sousa Jr.

  44. Evaluating Trust in Ad Hoc Network Routing by Induction of Decision Trees

    Article • IEEE Latin America Transactions, January 2012, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Rafael T. de Sousa Jr.

  45. Subspace based multi-dimensional model order selection in colored noise scenarios

    Article • October 2011, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Rafael T. de Sousa Jr.

  46. Identifying Bank Frauds Using CRISP-DM and Decision Trees

    Article • International Journal of Computer Science and Information Technology, October 2010, Academy and Industry Research Collaboration Center (AIRCC)

    Dr Rafael T. de Sousa Jr.

  47. Social Networks: Security and Privacy

    Article • September 2010, ABEAT - Associacao Brasileira de Especialistas em Alta Tecnologia

    Dr Rafael T. de Sousa Jr.

  48. Trust-Based Countermeasures for Securing OLSR Protocol

    Article • January 2009, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Rafael T. de Sousa Jr.

  49. Analysis of a Trust and Reputation Model Applied to a Computational Grid Using Software Agents

    Article • January 2008, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Rafael T. de Sousa Jr.

  50. Autonomic trust reasoning enables misbehavior detection in OLSR

    Article • January 2008, ACM (Association for Computing Machinery)

    Dr Rafael T. de Sousa Jr.

  51. Enhancing an Integer Challenge-Response Protocol

    Article • January 2008, Springer Science + Business Media

    Dr Rafael T. de Sousa Jr.

  52. Solving incompatibilities between electronic records for orthodontic patients

    Article • American Journal of Orthodontics and Dentofacial Orthopedics, July 2007, Elsevier

    Dr Rafael T. de Sousa Jr.

  53. Analysis of the implicit trust within the OLSR protocol

    Article • January 2007, Springer Science + Business Media

    Dr Rafael T. de Sousa Jr.

  54. Integrating trust reasonings into node behavior in olsr

    Article • January 2007, ACM (Association for Computing Machinery)

    Dr Rafael T. de Sousa Jr.

  55. Evaluating NoSQL Databases for Big Data Processing within the Brazilian Ministry of Planning, Budget, and Management

    Article • IGI Global

    Dr Rafael T. de Sousa Jr.

  56. Trust Management in Ad Hoc Networks

    Article • IGI Global

    Dr Rafael T. de Sousa Jr.