enow.com Web Search

Search results

  1. Results from the WOW.Com Content Network
  2. Code-division multiple access - Wikipedia

    en.wikipedia.org/wiki/Code-division_multiple_access

    Multiplexing. Code-division multiple access (CDMA) is a channel access method used by various radio communication technologies. CDMA is an example of multiple access, where several transmitters can send information simultaneously over a single communication channel. This allows several users to share a band of frequencies (see bandwidth).

  3. Multi-carrier code-division multiple access - Wikipedia

    en.wikipedia.org/wiki/Multi-carrier_code...

    Multi-carrier code-division multiple access (MC-CDMA) is a multiple access scheme used in OFDM -based telecommunication systems, allowing the system to support multiple users at the same time over same frequency band. MC-CDMA spreads each user symbol in the frequency domain. That is, each user symbol is carried over multiple parallel ...

  4. CDMA2000 - Wikipedia

    en.wikipedia.org/wiki/CDMA2000

    CDMA2000 (also known as C2K or IMT Multi‑Carrier (IMT‑MC)) is a family of 3G [1] mobile technology standards for sending voice, data, and signaling data between mobile phones and cell sites. It is developed by 3GPP2 as a backwards-compatible successor to second-generation cdmaOne (IS-95) set of standards and used especially in North America ...

  5. Carrier-sense multiple access with collision detection

    en.wikipedia.org/wiki/Carrier-sense_multiple...

    Carrier-sense multiple access with collision detection. Carrier-sense multiple access with collision detection (CSMA/CD) is a medium access control (MAC) method used most notably in early Ethernet technology for local area networking. It uses carrier -sensing to defer transmissions until no other stations are transmitting.

  6. Carrier-sense multiple access with collision avoidance

    en.wikipedia.org/wiki/Carrier-sense_multiple...

    Carrier-sense multiple access with collision avoidance (CSMA/CA) in computer networking, is a network multiple access method in which carrier sensing is used, but nodes attempt to avoid collisions by beginning transmission only after the channel is sensed to be "idle". [1][2] When they do transmit, nodes transmit their packet data in its entirety.

  7. Carrier-sense multiple access - Wikipedia

    en.wikipedia.org/wiki/Carrier-sense_multiple_access

    Carrier-sense multiple access (CSMA) is a medium access control (MAC) protocol in which a node verifies the absence of other traffic before transmitting on a shared transmission medium, such as an electrical bus or a band of the electromagnetic spectrum. Under CSMA, a transmitter uses a carrier-sense mechanism to determine whether another ...

  8. Time-division multiple access - Wikipedia

    en.wikipedia.org/wiki/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 by dividing the signal into different time slots. [1] The users transmit in rapid succession, one after the other, each using its own time slot. This allows multiple stations to share the same ...

  9. List of CDMA terminology - Wikipedia

    en.wikipedia.org/wiki/List_of_CDMA_terminology

    Call termination. Carrier. CAVE – Cellular Authentication and Voice Encryption. CAVE-based Authentication. CDG – CDMA Development Group. CDMA – Code Division Multiple Access. CDR – Call Detail Record. Cell site. CIBER – Cellular Intercarrier Billing Exchange Roamer.