Abstract
As an important application scenario of edge computing, the Internet of Vehicles (IoV) is a special wireless network which needs a serious requirement on communication speed and latency. Nowadays, the 5G wireless networks have been put into commercial use, which makes IoV’s higher speed and lower latency requirements possible. However, comparing with 4G base station, the cost of 5G base station is very high, while its cover range is small. These weaknesses make 5G wireless network difficult to be used directly on IoV. Fortunately, Coherent Beamforming (CB) technology makes the long distance transmission possible in 5G wireless network. While as a new technology in communication, few works has been done on considering to use it on IoV. In this paper, we consider to use CB on IoV scenario. We aim to give an optimal scheme for deploying the roadside CB-nodes so that we can transmit data to the edge server with a low cost. We first give the mathematical model and clarify that it is an NP-hard model. Then we design a heuristic algorithm for solving the problem. We call our algorithm as the Iterative Coherent Beamforming Node Design (ICBND) algorithm. Simulation results show that the ICBND algorithm can greatly reduce the cost of communication network infrastructure.
This article was supported by the National Natural Science Foundation of China (Grant No. 61806067) and Key Research and Development Project in Anhui Province (Grant No. 201904a06020024).
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Xu, J., Wu, L., Shi, L., Shi, Y., Zhou, W. (2020). Research on 5G Internet of Vehicles Facilities Based on Coherent Beamforming. In: Yu, D., Dressler, F., Yu, J. (eds) Wireless Algorithms, Systems, and Applications. WASA 2020. Lecture Notes in Computer Science(), vol 12385. Springer, Cham. https://doi.org/10.1007/978-3-030-59019-2_8
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DOI: https://doi.org/10.1007/978-3-030-59019-2_8
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