- an electronic link by which signals are sent from a transmitter on the earth's surface to an orbiting satellite, spacecraft, etc.
- the site, facility, etc. from which such signals are transmitted
- A transmission path by which radio or other signals are sent to an aircraft, spacecraft, or a communications satellite.
- A communication channel through which a user transmits data to the Internet.
transitive verbup·linked, up·link·ing, up·links
- The portion of a communications link used for the transmission of signals from an Earth terminal to a satellite or to an airborne platform. An uplink is the converse of a downlink. An uplink or downlink is distinguished from reverse link or forward link.
- By analogy and less formally, the communication path from a mobile device to a base station, a consumer to the network backbone, a client device to a server etc.
- data transmission from a data station to the headend.
- GSM and cellular networks, uplink is the transmission path from a mobile station to the base station (cell site).
(third-person singular simple present uplinks, present participle uplinking, simple past and past participle uplinked)
- To transmit a signal by means of an uplink.
uplink - Computer Definition
(1) The transmission from an earth station up to a satellite. Contrast with downlink.
(2) The transmission from a cellphone or other mobile device to a cell tower. Contrast with downlink.
(3) A port on a network device that is used to connect to another network device rather than to a client or server. See MDI port.