Literature Database Entry


Jaeho Lee and Sanghyun Ahn, "Adaptive Configuration of Mobile Roadside Units for the Cost-Effective Vehicular Communication Infrastructure," Wireless Communications and Mobile Computing, 2019.


In this paper, we target to figure out an adaptive and efficient mechanism that deploys roadside units (RSUs), which are the major components of the vehicle-to-infrastructure (V2I) communication, so that vehicles on the road can have satisfactory connectivity to the vehicular communication infrastructure in a cost-effective way. Only with the conventional fixed RSUs (fRSUs), the coverage requirement of vehicles from the perspective of V2I communications cannot be easily met because of high vehicular mobility compared to the static nature of fRSUs and the high deployment and operational expenditure of fRSUs. Recently, mobile RSUs (mRSUs) mounted on public and commercial vehicles like buses are considered as the substitutes or the supplements of fRSUs. The research on mRSUs is in its early stage and mostly focuses on the deployment of mRSUs from a static viewpoint. In this paper, we consider the environment with densely deployed mRSUs, such as the city environment, thanks to low cost, in which multiple active mRSUs generate lots of control messages to form the mRSU backbone network. To overcome this inefficiency, we propose a mechanism in which each mRSU adaptively and effectively determines its own state, active or inactive, according to the states of its neighboring mRSUs and vehicles. For the NP-hardness proof, we formulate the problem as a 0-1 integer linear programming problem. We evaluate the performance of our mechanism in terms of the ratio of vehicles covered by active mRSUs and the control message overhead compared with the case of nonadaptive mRSU configuration (i.e., the case of all mRSU being active).

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Jaeho Lee
Sanghyun Ahn

BibTeX reference

    author = {Lee, Jaeho and Ahn, Sanghyun},
    doi = {10.1155/2019/6594084},
    journal = {Wireless Communications and Mobile Computing},
    publisher = {Hindawi},
    title = {{Adaptive Configuration of Mobile Roadside Units for the Cost-Effective Vehicular Communication Infrastructure}},
    year = {2019},

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