physical-layer technique

noun
UK /ˈfɪzɪkəl ˈleɪə tɛkˈniːk/
US /ˈfɪzɪkəl ˈleɪər tɛkˈniːk/

A way of sending signals over wires or air so computers can talk to each other.

The engineer used a physical-layer technique to send data faster over the cable.


OTHER MEANINGS

2. A method for changing data into electrical or light signals for sending.

Modulation is a common physical-layer technique in radio communication.

3. A hardware-based way to connect devices in a network.

The team chose a physical-layer technique to link the sensors together.

4. The lowest-level step in a network that deals with real wires and waves.

Error checking at the physical-layer technique level helps catch bad signals.