Vehicle clustering for improving enhanced LTE-V2X network performance

Luoto, Petri; Bennis, Mehdi; Pirinen, Pekka; Samarakoon, Sumudu; Horneman, Kari; Latva-aho, Matti (2017-07-17)
 
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https://doi.org/10.1109/EuCNC.2017.7980735

Luoto, Petri
Bennis, Mehdi
Pirinen, Pekka
Samarakoon, Sumudu
Horneman, Kari
Latva-aho, Matti
Institute of Electrical and Electronics Engineers
17.07.2017

P. Luoto, M. Bennis, P. Pirinen, S. Samarakoon, K. Horneman and M. Latva-aho, "Vehicle clustering for improving enhanced LTE-V2X network performance," 2017 European Conference on Networks and Communications (EuCNC), Oulu, 2017, pp. 1-5. doi: 10.1109/EuCNC.2017.7980735

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doi:https://doi.org/10.1109/EuCNC.2017.7980735
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Abstract

Vehicle-to-Everything (V2X) communication holds the promise for improving road safety and reducing road accidents by enabling reliable and low latency services for vehicles. Vehicles are among the fastest growing type of connected devices. Therefore, there is a need for V2X communication, i.e., passing of information from Vehicle-to-Vehicle (V2V) or Vehicle-to-Infrastructure (V2I) and vice versa. In this paper, we focus on both V2I and V2V communication in a multi-lane freeway scenario, where coverage is provided by the Long Term Evolution Advanced (LTE-A) road side unit (RSU) network. Here, we propose a mechanism to offload vehicles with low signal-to-interference-plus-noise ratio (SINR) to be served by other vehicles, which have much higher quality link to the RSU. Furthermore, we analyze the improvements in the probabilities of achieving target throughputs and the performance is assessed through extensive system-level simulations. Results show that the proposed solution offloads low quality V2I links to stronger V2V links, and further increases successful transmission probability from 93% to 99.4%.

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