• Thumbnail for Code-division multiple access
    Code-division multiple access (CDMA) is a channel access method used by various radio communication technologies. CDMA is an example of multiple access...
    36 KB (4,745 words) - 21:23, 29 December 2024
  • Alternatives include time-division multiple access (TDMA), code-division multiple access (CDMA), or space-division multiple access (SDMA). These protocols...
    4 KB (534 words) - 02:54, 29 September 2024
  • Thumbnail for Time-division multiple access
    Time-division multiple access (TDMA) is a channel access method for shared-medium networks. It allows several users to share the same frequency channel...
    21 KB (2,733 words) - 02:36, 17 April 2025
  • Multi-carrier code-division multiple access (MC-CDMA) is a multiple access scheme used in OFDM-based telecommunication systems, allowing the system to...
    8 KB (1,123 words) - 18:37, 22 February 2024
  • Thumbnail for UMTS
    networks based on the GSM standard. UMTS uses wideband code-division multiple access (W-CDMA) radio access technology to offer greater spectral efficiency and...
    71 KB (8,959 words) - 00:58, 15 April 2025
  • polarization. This technique allows frequency reuse. Frequency-division multiple access Code-division multiple access Time-division multiple access v t e...
    1 KB (116 words) - 19:19, 13 June 2023
  • CSMA/CA, used in wireless networks such as IEEE 802.11. The code-division multiple access (CDMA) scheme is based on spread spectrum, meaning that a wider...
    18 KB (2,325 words) - 21:57, 7 April 2025
  • Thumbnail for Direct-sequence spread spectrum
    interference. Some practical and effective uses of DSSS include the code-division multiple access (CDMA) method, the IEEE 802.11b specification used in Wi-Fi...
    6 KB (701 words) - 18:24, 4 September 2024
  • Thumbnail for Multiplexing
    multiple access (TDMA) and frequency-division multiple access (FDMA). Code-division multiplex techniques are used as an access technology, namely code-division...
    22 KB (2,716 words) - 03:49, 15 March 2025
  • 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
  • Thumbnail for Wavelength-division multiplexing
    Arrayed waveguide grating – Optical multiplexer component Code-division multiple access – Channel access method used by various radio communication technologies...
    44 KB (4,034 words) - 19:54, 11 January 2025
  • Thumbnail for Frequency-hopping spread spectrum
    a code known to both transmitter and receiver. FHSS is used to avoid interference, to prevent eavesdropping, and to enable code-division multiple access...
    15 KB (1,921 words) - 01:41, 3 August 2024
  • Chip (CDMA) (redirect from Code chip)
    spectrum (DSSS) code, such as a pseudo-random noise (PN) code sequence used in direct-sequence code-division multiple access (CDMA) channel access techniques...
    2 KB (280 words) - 15:13, 23 September 2024
  • different techniques of access (TDMA, FDMA, CDMA, SDMA). See Cellular concepts. Let a case of Code Division Multiple Access be considered for the relationship...
    12 KB (1,380 words) - 17:21, 28 February 2025
  • MC-CDMA may stand for: Multi-carrier code-division multiple access, a multiple access technology used in telecommunication systems based on OFDM. A variant...
    365 bytes (84 words) - 16:59, 10 July 2021
  • List of CDMA terminology (category Code division multiple access)
    CAVE-based Authentication CDG – CDMA Development Group CDMA – Code Division Multiple Access CDR – Call Detail Record Cell site CIBER – Cellular Intercarrier...
    14 KB (1,116 words) - 18:22, 9 February 2024
  • Thumbnail for UMTS Terrestrial Radio Access Network
    UMTS Terrestrial Radio Access Network (UTRAN) is a collective term for the network and equipment that connects mobile handsets to the public telephone...
    3 KB (330 words) - 22:45, 2 August 2024
  • Thumbnail for CdmaOne
    CdmaOne (category Code division multiple access)
    (IS-95) was the first digital cellular technology that used code-division multiple access (CDMA). It was developed by Qualcomm and later adopted as a...
    13 KB (1,989 words) - 00:25, 9 February 2025
  • Thumbnail for Orthogonal frequency-division multiplexing
    multiple access using time, frequency or coding separation of the users. In orthogonal frequency-division multiple access (OFDMA), frequency-division...
    88 KB (11,274 words) - 02:38, 9 March 2025
  • Thumbnail for Andrew Viterbi
    not patent the algorithm. Viterbi also helped to develop the Code Division Multiple Access (CDMA) standard for cell phone networks. Viterbi was the cofounder...
    18 KB (1,571 words) - 05:37, 27 April 2025
  • Thumbnail for Statistical time-division multiplexing
    orthogonal frequency division multiple access (RFH-OFDMA) Code-division multiple access (CDMA), where different amount of spreading codes or spreading factors...
    6 KB (704 words) - 22:48, 21 August 2023
  • Quadrature-division multiple access (QDMA) is a radio protocol. The term combines two standard terms in telecommunications, CDMA and QPSK. QDMA is used...
    2 KB (209 words) - 03:56, 15 February 2025
  • Thumbnail for Camtel
    The company is busy building its network, including: Access to a CDMA (Code Division Multiple Access) network; digitization of the country's telephone exchanges;...
    1 KB (89 words) - 19:38, 17 October 2023
  • Thumbnail for Metro by T-Mobile
    mobile telecommunications network in the United States using code-division multiple access (CDMA). In 2013, the carrier engaged in a reverse merger with...
    16 KB (1,478 words) - 01:23, 25 January 2025
  • Thumbnail for Opportunity-Driven Multiple Access
    UMTS standards CDMA: Code-division multiple access TDMA: Time-division multiple access FDMA: Frequency-division multiple access Lee, William (2006). Wireless...
    4 KB (537 words) - 18:27, 14 January 2024
  • CDMA spectral efficiency (category Code division multiple access)
    channels and supplemental channels. The forward link of a 3G code-division multiple-access (CDMA) system may become a limiting factor when the number of...
    13 KB (1,829 words) - 00:51, 20 January 2025
  • nodes. In a network with code-division multiple access (CDMA) MAC protocol, each transmitter modulates its signal by a code that is orthogonal to that...
    59 KB (7,849 words) - 02:34, 13 April 2025
  • Thumbnail for Digital AMPS
    Digital AMPS (category Channel access methods)
    and IS-136. D-AMPS competed against GSM and systems based on code-division multiple access (CDMA). D-AMPS uses existing AMPS channels and allows for smooth...
    18 KB (2,650 words) - 12:11, 19 November 2024
  • rates. In multiple access channels (code-division multiple access (CDMA), frequency-division multiple access (FDMA), time-division multiple access (TDMA))...
    5 KB (541 words) - 00:41, 25 April 2025
  • Thumbnail for Binary Runtime Environment for Wireless
    application development platform created by Qualcomm, originally for code division multiple access (CDMA) mobile phones, featuring third-party applications such...
    20 KB (2,626 words) - 02:43, 7 April 2025