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Recent content by esourour

  1. E

    powerline communication

    Attached is a good report on PLC
  2. E

    GSM frequency offset tracking

    crystal frequency offset gsm This is a question for specialists. I am designing a GSM algorithm for estiamting and tracking the frequency offset. According to the GSM specifications, the crystal offset must be < 0.1 PPM. This is normally achieved by locking to the Frequency Correction Channel...
  3. E

    Infra Red Communication

    Can any one provide me a link or doanloads about Infra Red Communications. I need some theoritical background and also some example circuits. Thanks for the help
  4. E

    some communication question?

    BPSK is better that BFSK since In BPSK you get less nunber of bit errors for the same transmitted power. The cost of this is a little bit more complex receiver where the receiver has estimate the phase of the signal to be able to distinguish the two possible phases in BPSK. This is called...
  5. E

    EDGE protocol in mobile

    You can find all the specifications in the 3GPP website: www.3gpp.org

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