WCDMA ( 3G ) Channels "Detailed" Chapter Two/Three

WCDMA ( 3G ) Channels

Channel Mapping

·       The data can be sent through logical layer via different channels in the transport layer.
·       And also one transport channel can be sent via different physical channels.
·       These selection of channels in the transport and physical layer depends on the data itself and radio resource management and its parameters.

2G Channels In Telecom.

MULTIPLE TECHNIQUES
In order for several links to be in progress simultaneously in the same geographical area without mutual interference , multiple access techniques are deploy
The commonly used multiple access techniques
–       Frequency Division Multiple Access  (FDMA )
–       Time Division Multiple Access (TDMA )
--Code Division Multiple Access (CDMA )