uplink
n. countable C1 Advanced US //ˈəˌpɫɪŋk// up·link
n. a connection that sends data from a smaller device or a ground station to a larger system, like a satellite. It is the opposite of a downlink, which sends data back down.
n. a communication link that transmits data from a ground-based station or a smaller device to a satellite or a central server. Often contrasted with a downlink, which carries data in the reverse direction.
The satellite lost its uplink during the storm.
Engineers monitored the uplink to ensure the satellite received the updated software instructions from the control center.
Maintaining a stable uplink is critical for real-time data transmission, as any latency or signal degradation can compromise the integrity of the entire communication network.
From up + link.