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The wave of intelligence is coming, and high-speed data lines welcome the new machines
Intelligent upgrades are expected to increase the use of on-board sensors. As automotive intelligence gradually becomes more widespread and driver assistance functions are upgraded from the L1 level to higher levels of L3 and L4, the number of on-board sensors required is expected to increase. Take the Aquila NIO Super Sensing System as an example: it features 33 pieces of high-performance sensing hardware, including one ultra-long-range high-precision lidar, seven 8-megapixel high-definition cameras, four 3-megapixel high-sensitivity cameras, one dedicated surround-view camera, one enhanced driver perception, five millimeter-wave radars, 12 ultrasonic sensors, two high-precision positioning units, and V2X vehicle-to-road collaboration. Realizing fused perception defines a new standard for autonomous driving perception systems in mass-produced vehicles.
The data communication speed required for in-vehicle networks is becoming faster. As in-vehicle networks begin to connect to more in-vehicle computing resources, Ethernet emerged, and in 2016, IEEE released the first in-vehicle Ethernet standard, IEEE 802.3bw (100Base-T1). The bandwidth of 100Mbit/s is comparable to 100Base-TX introduced in 1995, but the in-vehicle version has important differences. With the increasing transmission speed, coaxial cable is mainly used for vehicle network connection due to its high broadband capability.
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