| dc.contributor | 資訊系 | |
| dc.creator (作者) | 張宏慶 | |
| dc.creator (作者) | Jang, Hung-Chin;Huang, Chung-Yen | |
| dc.date (日期) | 2024-01 | |
| dc.date.accessioned | 12-Dec-2024 09:27:55 (UTC+8) | - |
| dc.date.available | 12-Dec-2024 09:27:55 (UTC+8) | - |
| dc.date.issued (上傳時間) | 12-Dec-2024 09:27:55 (UTC+8) | - |
| dc.identifier.uri (URI) | https://nccur.lib.nccu.edu.tw/handle/140.119/154752 | - |
| dc.description.abstract (摘要) | With the development of the Internet of Things (IoT) and communication networks, the concept of a smart city emerged spontaneously. In the traffic control of a smart city, the vehicular network plays an important role. If the driving information of vehicles can be collected from the vehicular network and then aggregated into a smart city system, traffic control facilities can be adjusted in real time to improve traffic or increase traffic safety. This study is based on WAVE/DSRC under the IEEE 802.11p and IEEE 1609 standards. When the vehicle is moving, the On-Board Unit (OBU) on the vehicle and the Roadside Unit (RSU) transmit data through the 5.9 GHz (5.85–5.925 GHZ) frequency band to establish vehicle-to-vehicle communication (V2V) and vehicle-to-infrastructure communication (V2I). The immediacy of the transmission of beacon messages is also discussed over a vehicular network. A beacon message is essential for communication in a vehicular network, including various safety messages, such as driving directions, driving speed, and location. We introduce the Age-of-Information (AoI) indicator to reflect the immediacy of information. AoI is used for the elapsed time after the sender samples the message until the receiver receives the message. We propose a centralized AoI-based protocol and a decentralized AoI-based protocol. By using Random-Walk and SUMO, we simulate driving dynamics and various RSU setting scenarios. Finally, we verify the performance of the proposed AoI-based protocol through experimental simulations. | |
| dc.format.extent | 105 bytes | - |
| dc.format.mimetype | text/html | - |
| dc.relation (關聯) | Engineering Proceedings (MDPI), Vol.55, No.1, 87 | |
| dc.subject (關鍵詞) | age of information; transmission protocol; vehicular network | |
| dc.title (題名) | Age-of-Information-Based Transmission Protocol in Vehicular Network | |
| dc.type (資料類型) | article | |
| dc.identifier.doi (DOI) | 10.3390/engproc2023055087 | |
| dc.doi.uri (DOI) | https://doi.org/10.3390/engproc2023055087 | |
