Vehicle-to-everything (V2X) communications is vital to further developing intelligent transport systems. Network (NW) based V2X communications including the long-term evolution (LTE) is a part of the cellular V2X concept in which direct communications (sidelink) and NW-based communications (uplink and downlink) work in a complementary way. In order to design appropriate cooperation between direct and NW-based communications, it is important to identify practical performance limitations of both types of communications. While the 3rd generation partnership project (3GPP) has published technical reports on latency components of LTE, to our knowledge only a few papers have verified the accuracy of the components. In this paper, we evaluate the communication latency obtained through driving tests in comparison to the end-to-end latency analyzed in the 3GPP reports and further evaluate the impact of network congestion in terms of inter-cell interference in a system-level simulation.
Latency Analysis of LTE Networks for Vehicular Communications Based on Experiments and Computer Simulation
2019-09-01
362972 byte
Aufsatz (Konferenz)
Elektronische Ressource
Englisch
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