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Telecommunication Gsm

In: Computers and Technology

Submitted By dungar
Words 1201
Pages 5
Q1 Describe the sequence of events of a typical call from a GSM mobile unit to a fixed subscriber. Identify the network components involved and describe the message flow sequence between them.

ANS1

|Network Components |Parts of network components |Function |
|Mobile Station (MS) |Mobile Equipment (ME – The mobile phone). |The mobile phone and SIM card. |
| |Subscriber Identity Module (SIM) – Smart | |
| |card that holds the subscriber identity to | |
| |be used by the network. | |
|Base Station System (BSS) |Base Transceiver Station (BTS) – The |Includes all transceivers and controllers. |
| |antennas in the field. Consists of radio | |
| |transceiver that defines a cell and handles| |
| |radio link protocol with the Mobile | |
| |Station. | |
| |Base Station Controller (BSC) – Manages the| |
| |radio resources for one or more BTS. | |
| |Function of a BSC is to

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