CDMA technology & transmitter code?

Sindhu Chowdary

Sindhu Chowdary

@sindhu-chowdary-tDAv1D • Oct 23, 2024
actually in cdma technology we use different codes to different users...during communication the transmitter and receiver should have the same unique code....
my question is we know that the transmitter will have the code but hoe the receiver is able to know what is the code at the transmitter????
plz answer me...
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  • pratap singh, upendra

    pratap singh, upendra

    @pratap-singh-6xlmve • Jan 2, 2013

    actually the algorithm that is used to generate the code(also known as pseudo-normal sequence) remains known to all the users and the input code is already embedded in the hardware of the user mobile. So whenever an incoming pseudo-normal code appears it is reverse-engineered in the hardware of the mobile and if the plain text of the incoming signal matches with the one that is already stored in the receiver mobile, appropriate pairing takes place at once.

    it's just the matter of pairing a correct envelop with the correct house number scheme that is being incorporated with both the details(envelop address and house number) being in encrypted form.
  • Sindhu Chowdary

    Sindhu Chowdary

    @sindhu-chowdary-tDAv1D • Jan 2, 2013

    ""So whenever an incoming pseudo-normal code appears it is reverse-engineered in the hardware of the mobile and if the plain text of the incoming signal matches with the one that is already stored in the receiver mobile, appropriate pairing takes place at once.""
    can you explain me this part more briefly...
    thank u