| 释义 |
space-division multiple access space-division multiple access[¦spās də‚vizh·ən ‚məl·tə·pəl ′ak‚ses] (communications) The use of the same portion of the electromagnetic spectrum over two or more transmission paths; in most applications, the paths are formed by multibeam antennas, and each beam is directed toward a different geographic area. Abbreviated SDMA. |