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- W2810667588 abstract "Long Term Evolution Advanced (LTE-A), which provides high data rates with low latencies, can be an alternative to IEEE 802.11p for supporting vehicular applications. In this paper, we propose two solutions for the uplink transmission of safety messages: a new scheduler and a safety message generation rate adaptation. These solutions consider the speed of vehicles for resource allocation or selection of message generation rates, to provide the same level of location information accuracy on the central server for all vehicles. For downlink, we investigate the possible methods for delivering safety messages to the relevant vehicles, and propose a resource-efficient scheme based on broadcasting. We also propose a scheme that uses both LTE-D2D and LTE-cellular communication for transmission of safety messages. Vehicles transmit their safety messages with longer periods to the central server. This location information is used to determine the possible D2D pairs, as well as centralized resource allocation for the following period. Vehicles use the allocated resources for transmission of their safety messages to their neighboring vehicles using D2D communication. The simulation results show the effectiveness of our solutions in the cellular-only approach. These results also show that the proposed D2D-cellular scheme can reduce the required resources, while satisfying the requirements of safety applications." @default.
- W2810667588 created "2018-07-10" @default.
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- W2810667588 date "2018-10-01" @default.
- W2810667588 modified "2023-10-14" @default.
- W2810667588 title "On vehicular safety message transmissions through LTE-Advanced networks" @default.
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- W2810667588 doi "https://doi.org/10.1016/j.adhoc.2018.06.016" @default.
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