How Channel Mapping in WCDMA

Here I Write about how the mapping can be done between logical, transport and physical channels. Not all physical channels are represented because not all physical channels correspond to a…

Random Access Procedure in UMTS

Random Access Procedure in UMTS In This article I write about step of Physical random access procedure in umts. As shown in below figure steps is as below. Derive the…

Paging Indicator Channel PICH work in 3G

Paging Indicator Channel PICH main work in 3G as below. Carrying Paging Indicators (PI) Fixed rate (30kbps), SF = 256 N paging indicators {PI0, …, PIN-1} in each PICH frame,…