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  • Link adaptation, comprising adaptive coding and modulation (ACM) and others (such as Power Control), is a term used in wireless communications to denote...
    5 KB (599 words) - 23:14, 13 September 2024
  • Adaptive differential pulse-code modulation (ADPCM) is a variant of differential pulse-code modulation (DPCM) that varies the size of the quantization...
    5 KB (658 words) - 07:46, 2 March 2025
  • Pulse-code modulation (PCM) is a method used to digitally represent analog signals. It is the standard form of digital audio in computers, compact discs...
    34 KB (4,095 words) - 22:48, 24 May 2025
  • code. These are not modulation schemes in the conventional sense since they are not channel coding schemes, but should be considered as source coding...
    24 KB (3,051 words) - 11:37, 29 May 2025
  • telecommunication, information theory, and coding theory, forward error correction (FEC) or channel coding is a technique used for controlling errors...
    40 KB (4,684 words) - 10:12, 6 June 2025
  • Thumbnail for Delta modulation
    Delta modulation (DM, ΔM, or Δ-modulation) is an analog-to-digital and digital-to-analog signal conversion technique used for transmission of voice information...
    18 KB (2,210 words) - 13:46, 23 May 2025
  • Thumbnail for Orthogonal frequency-division multiplexing
    robust modulation or error coding to those subcarriers. The term discrete multitone modulation (DMT) denotes OFDM-based communication systems that adapt the...
    88 KB (11,274 words) - 10:03, 25 May 2025
  • Thumbnail for DVB-S2
    known as Irregular Repeat-Accumulate codes. VCM (Variable Coding and Modulation) and ACM (Adaptive Coding and Modulation) modes, which allow optimizing bandwidth...
    18 KB (1,277 words) - 19:20, 25 April 2025
  • Differential pulse-code modulation (DPCM) is a signal encoder that uses the baseline of pulse-code modulation (PCM) but adds some functionalities based...
    3 KB (357 words) - 23:53, 5 December 2024
  • Thumbnail for Pulse-amplitude modulation
    applications having been largely replaced by pulse-code modulation, and, more recently, by pulse-position modulation. The number of possible pulse amplitudes in...
    9 KB (1,069 words) - 21:40, 24 March 2025
  • G. Lesthievent, M.-L. Boucheret, Combining Adaptive Coding and Modulation With Hierarchical Modulation in Satcom Systems, IEEE Transactions on Broadcasting...
    5 KB (553 words) - 18:52, 24 June 2024
  • Thumbnail for Audio coding format
    and Advanced Audio Coding (AAC). Linear predictive coding (LPC) Adaptive predictive coding (APC) Code-excited linear prediction (CELP) Algebraic code-excited...
    20 KB (1,822 words) - 09:52, 24 May 2025
  • Huffman coding is an entropy encoding method and variable-length code algorithm that assigns more common values with shorter binary codes that require...
    12 KB (1,453 words) - 17:34, 25 May 2025
  • Thumbnail for Sub-band coding
    In signal processing, sub-band coding (SBC) is any form of transform coding that breaks a signal into a number of different frequency bands, typically...
    5 KB (721 words) - 16:10, 1 March 2025
  • American Motors Corporation, an American automobile company Adaptive modulation and coding, in wireless communications AMC-3, a communications satellite...
    5 KB (620 words) - 11:54, 2 June 2025
  • Thumbnail for EDGE (telecommunication)
    convolutional coding is applied. In EGPRS/EDGE, the modulation and coding schemes MCS-1 to MCS-9 take the place of the coding schemes of GPRS, and additionally...
    21 KB (2,417 words) - 16:25, 27 May 2025
  • (LDPC) codes are a class of error correction codes which (together with the closely-related turbo codes) have gained prominence in coding theory and information...
    36 KB (4,626 words) - 03:13, 7 June 2025
  • Thumbnail for Single-sideband modulation
    communications, single-sideband modulation (SSB) or single-sideband suppressed-carrier modulation (SSB-SC) is a type of signal modulation used to transmit information...
    33 KB (4,814 words) - 03:16, 26 May 2025
  • Quadrature amplitude modulation (QAM) is the name of a family of digital modulation methods and a related family of analog modulation methods widely used...
    15 KB (1,889 words) - 18:27, 29 May 2025
  • channel bandwidths of between 1.25 MHz and 20 MHz, with up to 2048 subcarriers. It supports adaptive modulation and coding, so that in conditions of good signal...
    13 KB (822 words) - 17:18, 4 September 2024
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