• 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...
    35 KB (4,742 words) - 18:54, 23 February 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) - 21:28, 12 June 2023
  • 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
  • competing cdmaOne technology. UMTS uses wideband code-division multiple access (W-CDMA) radio access technology to offer greater spectral efficiency and...
    68 KB (8,802 words) - 17:02, 23 April 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
  • 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 (2,310 words) - 20:58, 2 April 2024
  • 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 (690 words) - 14:48, 30 July 2023
  • 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 (2,717 words) - 16:42, 25 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 (4,029 words) - 18:02, 30 April 2024
  • 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 (1,866 words) - 20:26, 24 April 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) - 18:54, 23 February 2024
  • 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
  • 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) - 11:45, 26 February 2024
  • 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) - 13:52, 27 January 2022
  • 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...
    87 KB (11,280 words) - 16:55, 25 April 2024
  • 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...
    17 KB (1,536 words) - 00:48, 5 March 2024
  • 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) - 05:06, 25 February 2024
  • 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 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
  • Thumbnail for CDMA2000
    CDMA2000 (category Code division multiple access)
    broadband Internet access. It uses multiplexing techniques including code-division multiple access (CDMA) as well as time-division multiple access to maximize...
    8 KB (752 words) - 15:19, 25 April 2024
  • CDE—Common Desktop Environment CDFS—Compact Disk File System CDMA—Code-Division Multiple Access CDN—Content Delivery Network CDP—Cisco Discovery Protocol CDP—Continuous...
    91 KB (6,615 words) - 18:20, 4 May 2024
  • Thumbnail for Evolution-Data Optimized
    Evolution-Data Optimized (category Code division multiple access)
    advanced multiplexing techniques including code-division multiple access (CDMA) as well as time-division multiplexing (TDM) to maximize throughput. It...
    25 KB (2,823 words) - 14:57, 23 April 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) - 16:15, 9 January 2024
  • Thumbnail for Coding theory
    is code-division multiple access (CDMA). Each phone is assigned a code sequence that is approximately uncorrelated with the codes of other phones.[citation...
    27 KB (3,546 words) - 22:13, 16 April 2024
  • 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...
    17 KB (1,449 words) - 19:48, 4 April 2024
  • Thumbnail for Cellular network
    frequency-division multiple access (FDMA, used by analog and D-AMPS[citation needed] systems), time-division multiple access (TDMA, used by GSM) and code-division...
    36 KB (4,589 words) - 13:12, 30 April 2024
  • 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
  • Rake receiver (category Code division multiple access)
    coherently to improve the information reliability. A rake receiver utilizes multiple correlators to separately detect the M strongest multipath components....
    4 KB (556 words) - 12:23, 4 November 2022
  • AAA (computer security) (category Code division multiple access)
    Accounting (to log an audit trail). It is a framework used to control and track access within a computer network. Common network protocols providing this functionality...
    4 KB (566 words) - 15:21, 10 March 2024
  • Thumbnail for Hadamard code
    word have been corrupted. In code-division multiple access (CDMA) communication, the Hadamard code is referred to as Walsh Code, and is used to define individual...
    24 KB (3,841 words) - 15:43, 28 August 2023