Forward Error Protection

Closed Loop Power Control Puncturing in CDMA

Once the data has been scrambled with the user specific long code, the closed loop…

Why Closed Loop Power Control in CDMA

Closed loop power control is used to allow the power from the mobile unit to…

What is Correlation in CDMA ?

Correlation Is a Measure of How Well a Given Signal Matches a Desired Code, The…

CDMA Vocoders how and why

Vocoders Convert Voice to/from Analog Using Data Compression There are Three CDMA Vocoders: IS-96A  Variable…

How Frame Formats in CDMA

How Frame Formats in CDMA Once the analog voice is compressed by one of the…

CDMA Variable Rate Speech Coder

CDMA takes advantage of quiet times during speech to raise capacity.  A variable rate vocoder…