Tag Archives: call setup

Dedicated Control Channel (DCCH) in GSM

SDCCH (Stand-alone Dedicated Control Channel) Uplink and Downlink. Used for call setup, authentication, ciphering location update and SMS. SACCH (Slow Associated Control Channel) Downlink and Uplink. Used to transfer signal

What is Antenna Pattern?

Here I write about antenna pattern, Front-to-rear Ratio and Upper Side Lobe Suppression in antenna. Antenna Pattern The pattern is the electromagnetic field of antenna radiation distributed by coordinate along