• 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
  • UMTS (redirect from W-CDMA)
    for networks based on the competing cdmaOne technology. UMTS uses wideband code-division multiple access (W-CDMA) radio access technology to offer greater...
    68 KB (8,802 words) - 17:02, 23 April 2024
  • Thumbnail for CDMA2000
    CDMA2000 (redirect from CDMA-2000)
    developed by 3GPP2 as a backwards-compatible successor to second-generation cdmaOne (IS-95) set of standards and used especially in North America and South...
    8 KB (752 words) - 15:19, 25 April 2024
  • Thumbnail for Comparison of mobile phone standards
    uses TDMA and FDMA for user and cell separation. UMTS, IS-95 and CDMA-2000 use CDMA. WiMAX and LTE use OFDM. Time-division multiple access (TDMA) provides...
    14 KB (1,392 words) - 06:09, 21 December 2023
  • Thumbnail for Qualcomm
    1985 by Irwin Jacobs and six other co-founders. Its early research into CDMA wireless cell phone technology was funded by selling a two-way mobile digital...
    154 KB (12,403 words) - 20:01, 26 April 2024
  • 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
  • (PN) code sequence used in direct-sequence code-division multiple access (CDMA) channel access techniques. In a binary direct-sequence system, each chip...
    2 KB (280 words) - 18:54, 23 February 2024
  • Thumbnail for CdmaOne
    first digital cellular technology that used code-division multiple access (CDMA). It was developed by Qualcomm and later adopted as a standard by the Telecommunications...
    13 KB (1,974 words) - 07:06, 26 July 2023
  • Thumbnail for Direct-sequence spread spectrum
    practical and effective uses of DSSS include the code-division multiple access (CDMA) method, the IEEE 802.11b specification used in Wi-Fi networks, and the Global...
    6 KB (690 words) - 14:48, 30 July 2023
  • Thumbnail for Cellular network
    time-division multiple access (TDMA, used by GSM) and code-division multiple access (CDMA, first used for PCS, and the basis of 3G) were developed. With FDMA, the...
    36 KB (4,608 words) - 07:33, 28 April 2024