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With the increasing demand for real-time and large capacity data transmission in the in-vehicle network, Time Sensitive Networking (TSN) has become an essential technology in the electronic and electrical architecture with vehicle ethernet as the backbone network. In order to verify the delay effect of TSN protocol on vehicle ethernet, this paper analyzes the technical characteristics and application scenarios of the main TSN protocol family, uses RTaW software modeling, and simulates the traffic of vehicle ethernet under 4 different conditions through the Zonal architecture network. The results show that when the interference traffic accounts for 80% of the main link bandwidth, the worst end-to-end delay of vehicle ethernet using TSN protocol increases by about 0.1 us, which is close to no-interference case delay. Simulation results show that TSN can guarantee the delay of vehicle ethernet transmission queue reliably. TSN will play a greater role in audio and video transmission, high-level automatic driving, security backup and other aspects.
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| 科 Family | 属数 Number of genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) | 属 Genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) |
|---|---|---|---|---|---|---|
| 鹅膏菌科Amanitaceae | 2 | 11 | 5.26 | 鹅膏菌属 Amanita | 10 | 4.78 |
| 小菇科 Mycenaceae | 2 | 12 | 5.74 | 丝盖伞属 Inocybe | 5 | 2.39 |
| 多孔菌科 Polyporaceae | 8 | 14 | 6.70 | 蜡蘑属 Laccaria | 5 | 2.39 |
| 红菇科 Russulaceae | 3 | 23 | 11.00 | 小皮伞属 Marasmius | 6 | 2.87 |
| 小菇属 Mycena | 11 | 5.26 | ||||
| 光柄菇属 Pluteus | 5 | 2.39 | ||||
| 红菇属 Russula | 17 | 8.13 | ||||
| 栓菌属 Trametes | 5 | 2.39 |
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