Short paper: A LTE-direct broadcast mechanism for periodic vehicular safety communications - Archive ouverte HAL Access content directly
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Short paper: A LTE-direct broadcast mechanism for periodic vehicular safety communications

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Laurent Gallo
Jérôme Härri
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Abstract

LTE-Direct is an upcoming LTE rel. 12 extension to allow UEs to communicate directly without going through an eNB. LTE-Direct is expected to be used in future LTE-A networks for unicast Proximity Services, and has not been envisioned so far for broadcast transmissions. In this paper, we propose an eMBMS-inspired mechanism to allocate LTE-Direct resources for dedicated broadcast/multicast vehicular safety communications. The mechanism does not require any connection procedure for LTE-Direct broadcast transmissions, and proposes to reserve identical LTE downlink resources over multiple eNB for dedicated communications between UEs. We apply this concept to the periodic broadcast of BSM/CAM and illustrate that the mechanism's flexibility and extensibility makes LTE-Direct a good complementary technology to DSRC for periodic vehicular safety communications.
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Dates and versions

hal-01357315 , version 1 (29-08-2016)

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Laurent Gallo, Jérôme Härri. Short paper: A LTE-direct broadcast mechanism for periodic vehicular safety communications. Vehicular Networking Conference (VNC), 2013 IEEE, Dec 2013, Boston, United States. ⟨10.1109/VNC.2013.6737604⟩. ⟨hal-01357315⟩

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