Orthogonal frequency-division multiple access
Multi-user version of OFDM digital modulation / From Wikipedia, the free encyclopedia
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Orthogonal frequency-division multiple access (OFDMA) is a multi-user version of the popular orthogonal frequency-division multiplexing (OFDM) digital modulation scheme. Multiple access is achieved in OFDMA by assigning subsets of subcarriers to individual users. This allows simultaneous low-data-rate transmission from several users.
Multi-user version of OFDM digital modulation
| Multiplexing |
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| Analog modulation |
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