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In this paper, we discuss one application enabled by device-to-device (D2D) communication for vehicular users inside well isolated public transportation vehicles. We study the feasibility of using D2D communication to enhance the uplink communication for vehicular user equipment (VUE) devices. D2D communication allows fast data exchange among VUE devices, and therefore, a number of VUE devices can...
In this paper, we study and compare the outage probability (OP) of a vehicular user of dual-hop moving relay node (MRN) assisted transmission, dual-hop transmission assisted by a fixed relay node (FRN), as well as of the baseline single-hop direct transmission under of co-channel interference. For an accurate comparison, we numerically optimize the FRN position which minimizes the average vehicular...
Channel state information at transmitters is important for advanced transmission schemes. However, feedback and transmission control delays of multiple milliseconds in LTE systems result in severe outdating of this information at vehicular velocities. Channel prediction based on extrapolation of the short-term fading is inadequate in LTE systems at vehicular velocities and high carrier frequencies...
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