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Differentiated Data Transmission Based on Instantly Decodable Network Coding

Conference paper
Part of the Lecture Notes in Electrical Engineering book series (LNEE, volume 463)

Abstract

In order to solve the problem of the differentiated data transmission caused by different terminal processing capabilities, we propose a method to transmit differentiated data based on the improved IDNC (instantly decodable network coding). The scheme divides data into layers according to the quality and gives a high priority to the basic layer at retransmission to ensure low delay for low-processing capability terminals. Then a heuristic largest clique algorithm maximum weight clique (MWC) is proposed to adapt to this retransmission process. Simulation results show that the method can indeed realize the differentiated transmission of data. Furthermore, the proposed MWC algorithm can significantly reduce retransmission times compared to the traditional retransmission method without IDNC.

Keywords

Differentiated data transmission Instantly decodable network coding (IDNC) Largest clique algorithm 

Notes

Acknowledgments

This work was supported by the 863 Program of China under Grant No. 2015AA01A703, the Fundamental Research Funds for the Central Universities under grant No. 2014ZD03-02, NSFC (No. 61571055, 61171104), fund of SKL of MMW (No. K201815).

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Copyright information

© Springer Nature Singapore Pte Ltd. 2019

Authors and Affiliations

  1. 1.Key Laboratory of Universal Wireless Communications, MOEBeijing University of Posts and TelecommunicationsBeijingPeople’s Republic of China
  2. 2.State Key Laboratory of Millimeter WavesSoutheast UniversityNanjingPeople’s Republic of China

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