Network Coding with Multimedia Transmission and Cognitive Networking: An Implementation based on Software-Defined Radio
Artikel i vetenskaplig tidskrift, 2020

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.

implementation

cognitive radio

software-defined radio

multimedia transmission

Network coding

Författare

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Vietnam National University

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San Diego State University

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Chalmers, Elektroteknik, Kommunikation, Antenner och Optiska Nätverk

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Vietnam National University

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Vietnam National University

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Nokia

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SDR-Technologies Ltd.

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Vietnam National University

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Posts and Telecommunications Institute of Technology

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Le Quy Don Technical University

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Huawei

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Université Paris-Saclay

REV Journal on Electronics and Communications

Vol. 10 3-4 72-84

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Informations- och kommunikationsteknik

Ämneskategorier

Telekommunikation

Kommunikationssystem

Signalbehandling

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2024-02-02