Tel3pedia

1. Frequency Plan: Frequency Hopping plan differs from the conventional fixed frequency plan.  The plan depends upon the type of Frequ...

There are two ways of implementing Frequency Hopping in a Base Station System, one referred as Base Band Frequency Hopping (BBH) and anoth...

Frequency Hopping is an old technique introduced firstly in military transmission system to ensure the secrecy of communications and comba...

The Short Message Service (SMS) provides a means of sending text messages containing up to 160 alpha numerical characters to and from MS’s...

One of the primary features of GSM is the ability to perform international roaming and to handle international call cases. In order for a ...

The process of changing cells during a call is called handover in GSM terminology. To choose the best target cell, the MS and the RBS perf...

An MS is in active mode when there is a call (speech, fax or data), or a call set up procedure taking place. Cases which activate an...