LTE4V2X: LTE for a Centralized VANET Organization

Abstract

Vehicular networks face a number of new challenges, particularly due to the extremely dynamic network topology and the large variable number of mobile nodes. To overcome these problems, an effective solution is to organize the network in a way which will facilitate the management tasks and permit to deploy a wide panoply of applications such as urban sensing applications. This paper presents LTE4V2X, a novel framework for a centralized vehicular network organization using LTE. It takes advantage of a centralized architecture around the eNodeB in order to optimize the clusters management and provide better performances. We studied its performances against a decentralized organization protocol for a well known urban sensing application, FCD application. We analyze the performances of LTE4V2X using NS-3 simulation environment and a realistic urban mobility model. We show that it permits performance improvement by lowering the overhead induced by control messages, reducing the FCD packet losses, as well as enhancing the goodput.

LTE and IEEE 802.11p for vehicular networking: a performance evaluation

“…The communication is divided between two types of vehicles, where primary vehicles take on the role as a gateway of information from 3G/4G cellular network, while secondary vehicles exchange information via IEEE 802.11b-based ad hoc network. In [32] and [33], authors assumed in-vehicle OBUs with multiple interfaces and proposed LTE technology assisted cluster-head selection and management protocols for the IEEE 802.11p-based VANETs. Karsaros et al [34] proposed heterogeneous architecture for location service which offloads the location service control traffic over the infrastructure-based LTE cellular networks while utilizing IEEE 802.11p ad hoc network for transferring data traffic.…”

SAI: Safety Application Identifier Algorithm at MAC Layer for Vehicular Safety Message Dissemination Over LTE VANET Networks

“…Previous performance evaluations have also suggested that the use of LTE for vehicular communications is suitable, but, without any centralization, it can put enormous load on the network [18]. In the pursuit of centralizing vehicular communications in LTE, group formation and MBMS implementation have been proposed in [18,19]. Group formation or clustering has shown promising performance.…”

“…However, the study was oriented to determine the capacity limit; therefore, the downlink traffic was modeled by fixed size periodic packet transmission; the handover effect was neglected and did not include the endto-end system. Previous performance evaluations have also suggested that the use of LTE for vehicular communications is suitable, but, without any centralization, it can put enormous load on the network [18]. In the pursuit of centralizing vehicular communications in LTE, group formation and MBMS implementation have been proposed in [18,19].…”

On Performance Simulation in Vehicular Hybrid Networks of WiFi and LTE

“…Mangel et al [5] analyzes the suitability of UMTS and LTE for cross-traffic assistance in the worst case with respective to load and latency requirements and the results show that UMTS suffers from capacity limitations while LTE could work well. Remy et al [6] presents LTE4V2X for a centralized vehicular network structure using LTE to solve the large number of mobile nodes and their extremely dynamic network topology. They also gave performance evaluation on LTE4V2X in a highway scenario in order to evaluate the impact of high mobility [7].…”