Computer Science ›› 2015, Vol. 42 ›› Issue (8): 124-127.

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Data Sharing Scheme Based on Multi-hop Device-to-Device(D2D) Forwarding

WANG Jun-yi, GONG Zhi-shuai, FU Jie-lin and QIU Hong-bing   

  • Online:2018-11-14 Published:2018-11-14

Abstract: The D2D links with good quality and high achievable data rates can be preferentially selected to improve the efficiency of data dissemination in a cluster.Therefore,a multi-hop D2D data forwarding scheme was induced.The proposed scheme can adaptively select the proper relays,routing and hop count according to the pre-defined data rate threshold and D2D links quality.In the paper,three rules were designed to set the threshold,and the formulas of resource cost for the corresponding algorithms were derived.Simulation results show that the three algorithms gradually gain an improvement of resource utilization and the best of them achieves a significant performance compared to the existing single-hop schemes.

Key words: Cellular network,D2D,Multi-hop,Data forwarding,Resource efficiency

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