D2D Mobile Relay in TD-LTE-Advanced System

Abstract:

The UEs at the edge of the cell in TD-LTE-Advanced system suffer from a poor communication quality invariably. In this paper, a novel relay mechanism, called Device-to-Device mobile relay (D2DMR), is proposed. In the D2DMR mechanism, the UE at the edge of the cell or in a poor coverage area can communicate with eNodeB via another UE’s relay. The link between these two UEs is established in the Device-to-Device (D2D) communication mode. The D2DMR mechanism can expand the cell coverage and improve the system capacity of TD-LTE-Advanced system with little interference. Numerical analysis and simulation results show that the D2DMR mechanism can improve the throughput of the TD-LTE-Advanced system greatly.

• Periodical: Applied Mechanics and Materials (Volumes 738-739)
• Pages: 1101-1104
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.738-739.1101
• Online since: March 2015
• Authors: Wei Wu*, Jin Gan Liu, Xiu Zhi Guan
• Keywords: Device-To-Device, Mobile Relay, TD-LTE-Advanced

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