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  2. Binary erasure channel - Wikipedia

    en.wikipedia.org/wiki/Binary_erasure_channel

    In coding theory and information theory, a binary erasure channel (BEC) is a communications channel model. A transmitter sends a bit (a zero or a one), and the receiver either receives the bit correctly, or with some probability P e {\displaystyle P_{e}} receives a message that the bit was not received ("erased") .

  3. Packet erasure channel - Wikipedia

    en.wikipedia.org/wiki/Packet_erasure_channel

    The packet erasure channel is a communication channel model where sequential packets are either received or lost (at a known location). This channel model is closely related to the binary erasure channel .

  4. Deletion channel - Wikipedia

    en.wikipedia.org/wiki/Deletion_channel

    A deletion channel is a communications channel model used in coding theory and information theory. In this model, a transmitter sends a bit (a zero or a one), and the receiver either receives the bit (with probability p {\displaystyle p} ) or does not receive anything without being notified that the bit was dropped (with probability 1 − p ...

  5. Binary symmetric channel - Wikipedia

    en.wikipedia.org/wiki/Binary_symmetric_channel

    A binary symmetric channel (or BSC p) is a common communications channel model used in coding theory and information theory. In this model, a transmitter wishes to send a bit (a zero or a one), and the receiver will receive a bit.

  6. Erasure code - Wikipedia

    en.wikipedia.org/wiki/Erasure_code

    Parity check is the special case where n = k + 1.From a set of k values {}, a checksum is computed and appended to the k source values: + = =. The set of k + 1 values {} + is now consistent with regard to the checksum.

  7. Data erasure - Wikipedia

    en.wikipedia.org/wiki/Data_erasure

    [24] It recommends cryptographic erase as a more general mechanism. According to the University of California, San Diego Center for Magnetic Recording Research's (now its Center for Memory and Recording Research) "Tutorial on Disk Drive Data Sanitization" (p. 8): "Secure erase does a single on-track erasure of the data on the disk drive. The U ...

  8. Use AOL Official Mail to confirm legitimate AOL emails

    help.aol.com/articles/what-is-official-aol-mail

    AOL Mail is focused on keeping you safe while you use the best mail product on the web. One way we do this is by protecting against phishing and scam emails though the use of AOL Official Mail.

  9. File:Binary erasure channel.svg - Wikipedia

    en.wikipedia.org/.../File:Binary_erasure_channel.svg

    The following other wikis use this file: Usage on ar.wikipedia.org نظرية المعلومات; Usage on ast.wikipedia.org Teoría de la información