27-11-2012, 02:32 PM
A SEMINAR ON GLOBAL SYSTEM FOR MOBILES(GSM) TAKEN AT NOKIA SEIMENS NETWORS PVT. LTD. JAIPUR
gsm_ppt.ppt (Size: 1.39 MB / Downloads: 35)
Company Profile
Nokia Siemens Networks is one of the largest Telecommunications Hardware, Software and Services Companies in the world.
Chairman: Olli Pekka Kallasvuo
Vice Chairman: Peter Y. Solmssen
Office Manager : N. Gangadharan
Circle Head-Vodafone MS: Rajeev K Gupta
Products
Broadband Connectivity
GSM/EDGE
Business Support Systems
Network Management OSS
Mobile Broadband
Base Transceiver Station
( BTS )
Base Transceiver Station (BTS)
Wireless transmission
Wireless diversity
Wireless channel encryption
Conversion between wired and wireless signals
Frequency Hopping
BaseBand Unit:
voice and data speed adapting and channel coding
RF Unit:
modulating/demodulating, transmitter and receiver
Common Control Unit:
BTS operation and maintenance
Mobile Service Switching Center
( MSC )
holds all the switching functions
Manages the necessary radio resources,
updating the location registration
carrying out the inter-BSC and inter- MSC tender
Inter-working with other networks (IWF).
Home Location Register
( HLR )
Manages the mobile subscribers database
subscriber information
part of the mobile location information
3 identities essential
the International Mobile subscriber Identity
the Mobile station ISDN Number
the VLR address