• Thumbnail for Orthogonal frequency-division multiplexing
    In telecommunications, orthogonal frequency-division multiplexing (OFDM) is a type of digital transmission used in digital modulation for encoding digital...
    87 KB (11,201 words) - 03:24, 9 August 2024
  • Thumbnail for Frequency-division multiplexing
    In telecommunications, frequency-division multiplexing (FDM) is a technique by which the total bandwidth available in a communication medium is divided...
    9 KB (1,258 words) - 12:50, 8 January 2024
  • Thumbnail for Orthogonal frequency-division multiple access
    Orthogonal frequency-division multiple access (OFDMA) is a multi-user version of the popular orthogonal frequency-division multiplexing (OFDM) digital...
    8 KB (973 words) - 06:33, 7 April 2024
  • Non-orthogonal frequency-division multiplexing (N-OFDM) is a method of encoding digital data on multiple carrier frequencies with non-orthogonal intervals...
    14 KB (1,842 words) - 04:32, 22 July 2023
  • Thumbnail for Orthogonality
    scheme is orthogonal frequency-division multiplexing (OFDM), which refers to the use, by a single transmitter, of a set of frequency multiplexed signals...
    15 KB (2,623 words) - 18:12, 29 July 2024
  • Thumbnail for Polarization-division multiplexing
    Polarization-division multiplexing (PDM) is a physical layer method for multiplexing signals carried on electromagnetic waves, allowing two channels of...
    10 KB (1,350 words) - 17:02, 25 April 2024
  • Thumbnail for Code-division multiple access
    advanced cases) quadrature amplitude modulation (QAM) or orthogonal frequency-division multiplexing (OFDM), which typically makes it very robust and efficient...
    35 KB (4,742 words) - 14:07, 1 July 2024
  • Modulation (category Frequency mixers)
    digital modulation method that employs multiple carriers, orthogonal frequency-division multiplexing (OFDM), is used in WiFi networks, digital radio stations...
    25 KB (3,051 words) - 10:28, 19 June 2024
  • Thumbnail for Multiplexing
    fading) or beamforming (improved selectivity) rather than multiplexing. Frequency-division multiplexing (FDM) is inherently an analog technology. FDM achieves...
    22 KB (2,714 words) - 15:39, 27 July 2024
  • Thumbnail for Underwater acoustic communication
    pulse-position modulation (FPPM and PPM) Multiple frequency-shift keying (MFSK) Orthogonal frequency-division multiplexing (OFDM) The following is a discussion on...
    16 KB (1,774 words) - 05:19, 26 July 2024