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Definition of Uplink
1. Noun. A transmission from Earth to a spacecraft or the path of such a transmission.
Definition of Uplink
1. Noun. 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. ¹
2. Noun. 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. ¹
3. Adjective. Pertaining to data transmission from a data station to the headend. ¹
4. Adjective. Pertaining to GSM and cellular networks, uplink is the transmission path from a mobile station to the base station (cell site). ¹
¹ Source: wiktionary.com
Definition of Uplink
1. to trasmit (data) to a spacecraft or satellite [v -ED, -ING, -S]