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Träfflista för sökning "WFRF:(Tran Trung Nam) srt2:(2020-2023)"

Sökning: WFRF:(Tran Trung Nam) > (2020-2023)

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1.
  • Tran, Thi-Thuy-Quynh, et al. (författare)
  • Network Coding with Multimedia Transmission and Cognitive Networking: An Implementation based on Software-Defined Radio
  • 2020
  • Ingår i: REV Journal on Electronics and Communications. ; 10:3-4, s. 72-84
  • Tidskriftsartikel (refereegranskat)abstract
    • Network coding (NC) is considered a breakthrough to improve throughput, robustness, and security of wireless networks. Although the theoretical aspects of NC have been extensively investigated, there have been only few experiments with pure NC schematics. This paper presents an implementation of NC under a two-way relay model and extends it to two non-straightforward scenarios: (i) multimedia transmission with layered coding and multiple-description coding, and (ii) cognitive radio with Vandermonde frequency division multiplexing (VFDM). The implementation is in real time and based on software-defined radio (SDR). The experimental results show that, by combining NC and source coding, we can control the quality of the received multimedia content in an on-demand manner. Whereas in the VFDM-based cognitive radio, the quality of the received content in the primary receiver is low (due to imperfect channel estimation) yet retrievable. Our implementation results serve as a proof for the practicability of network coding in relevant applications.
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2.
  • Hoang, Van-Phuc, et al. (författare)
  • An Energy Efficient, Long Range Sensor System for Real-Time Environment Monitoring
  • 2023
  • Ingår i: Lecture Notes on Data Engineering and Communications Technologies. - Singapore : Springer Science and Business Media Deutschland GmbH. ; , s. 823-830
  • Bokkapitel (refereegranskat)abstract
    • Vietnam is among the top countries in the world at risk of natural hazards so that efficient real-time environment monitoring is becoming essential. The continuous development in information and communication technology is inspiring the development of the smart monitoring systems for environmental management and protection. This paper presents an energy efficient, long range sensor system for Internet of Things (IoT)-based smart environment monitoring and early warning. The proposed system combines the novel energy efficient temperature. Beat sensors integrated with the LoRaWAN communication protocol and web interface. The experimental results are achieved to clarify the efficiency of the proposed sensor system and its potential applications in the real systems.
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