carrier sense
Technical term in computer networking: detecting whether a communication channel is busy before transmitting.
CSMA/CDでは、送信前にキャリア検知を行う。
In CSMA/CD, carrier sense is performed before transmission.
carrier sense multiple access with collision avoidance network; CSMA/CA network
CSMA/CD network; carrier sense multiple access with collision detection network
Compound of キャリア (carrier, from English) and 検知 (detection, sensing).