ºÝºÝߣ

ºÝºÝߣShare a Scribd company logo

Telecom Jobs in Chandigarh | Telecom Training in Chandigarh - Scope Telecom

•Download as PPTX, PDF•
•
scope telecom
scope telecom

Scopetelecom.com is a Telecom Company in Chandigarh who offers telecom jobs in chandigarh, telecom training in chandigarh for fresher and experienced.

1 of 21
Downloaded 88 times
Scope Telecom Pvt.ltd INDUSTRIAL TRAINING FOR 45 DAYS
HISTORY SCOPE Telecom Private Limited is a Telecom Company established in the year 2013.
Mission of Scope Telecom is To assist GSM operators for integration with continually growing technological trends and work more efficiently by providing globally qualified services.
INTRODUCTION A basic telecommunication system consist three primary units Transmitter that take information and converts it to a signal. Transmission medium is also called the physical channel that carries signal. Receiver that takes signal from from channel and convert it back to usable information.
But what’s cellular? HLR, VLR, AC, EIR MSC PSTN BS
1st Generation • Start to use in 1989 • Call forwarding • All calls • No answer • Engaged • Unreachable • Outgoing calls barring • Incoming calls barring • Global roaming
drawbacks • Poor voice quality • Poor battery life • Large phone size • No security • Limited capacity
2nd Generation • Finished process in 1995 • SMS(Short Message Services) • Multi Party Calling • Call holding • Call waiting • Mobile data service • Mobile fax service • Call line identity • Advice of charging • Cell broadcast
drawbacks • These system are unable to handle complex data such as videos
Telecom Jobs in Chandigarh | Telecom Training in Chandigarh - Scope Telecom
2.5 generation • 2.5G is a technology between 2nd and 3rd generation, • Features • Phone calls • Send and receive email messages • Web browsing • Speed 64-144kbps • Camera phones • Take a time to 6 to 9 minutes to download a song
3G GENERATION • 3G Generation introduce in year 2000 • Data transmission speed increase from 144kbps to 2mbps. • Typically called smart phones • Features • increase its bandwidth • Increase data transfer rate to accommodate audio and video files
GENERATION • Capable to provide speed 100mbps-1gbps • High security • Provide any kind of service at any time as per user requirement any where • battery uses is more • Hard to implement • Need complicated hardware • Expensive equipment
4G GENERATION
GSM Architecture
GSM Overview
GSM Channels • Physical Channel: Each timeslot on a carrier is referred to as a physical channel • Logical Channel: Variety of information is transmitted between the MS and BTS. Different types of logical channels: – Traffic channel – Control Channel Downlink Uplink Channels
• BTS – houses the radio transceivers of the cell and handles the radio-link protocols with the mobile • BSC – manages radio resources (channel setup, handover) for one or more BTSs
• MSC – Mobile Switching Center • The central component of the network • Like a telephony switch plus everything for a mobile subscriber: registration, authentication, handovers, call routing, connection to fixed networks. • Each switch handles dozens of cells
• HLR – database of all users + current location. One per network • VLR – database of users + roamers in some geographic area. Caches the HLR • EIR – database of valid equipment • AuC – Database of users’ secret keys
Telecom Jobs in Chandigarh | Telecom Training in Chandigarh - Scope Telecom

More Related Content

Telecom Jobs in Chandigarh | Telecom Training in Chandigarh - Scope Telecom

  • 2. HISTORY SCOPE Telecom Private Limited is a Telecom Company established in the year 2013.
  • 3. Mission of Scope Telecom is To assist GSM operators for integration with continually growing technological trends and work more efficiently by providing globally qualified services.
  • 4. INTRODUCTION A basic telecommunication system consist three primary units Transmitter that take information and converts it to a signal. Transmission medium is also called the physical channel that carries signal. Receiver that takes signal from from channel and convert it back to usable information.
  • 5. But what’s cellular? HLR, VLR, AC, EIR MSC PSTN BS
  • 6. 1st Generation • Start to use in 1989 • Call forwarding • All calls • No answer • Engaged • Unreachable • Outgoing calls barring • Incoming calls barring • Global roaming
  • 7. drawbacks • Poor voice quality • Poor battery life • Large phone size • No security • Limited capacity
  • 8. 2nd Generation • Finished process in 1995 • SMS(Short Message Services) • Multi Party Calling • Call holding • Call waiting • Mobile data service • Mobile fax service • Call line identity • Advice of charging • Cell broadcast
  • 9. drawbacks • These system are unable to handle complex data such as videos
  • 11. 2.5 generation • 2.5G is a technology between 2nd and 3rd generation, • Features • Phone calls • Send and receive email messages • Web browsing • Speed 64-144kbps • Camera phones • Take a time to 6 to 9 minutes to download a song
  • 12. 3G GENERATION • 3G Generation introduce in year 2000 • Data transmission speed increase from 144kbps to 2mbps. • Typically called smart phones • Features • increase its bandwidth • Increase data transfer rate to accommodate audio and video files
  • 13. GENERATION • Capable to provide speed 100mbps-1gbps • High security • Provide any kind of service at any time as per user requirement any where • battery uses is more • Hard to implement • Need complicated hardware • Expensive equipment
  • 17. GSM Channels • Physical Channel: Each timeslot on a carrier is referred to as a physical channel • Logical Channel: Variety of information is transmitted between the MS and BTS. Different types of logical channels: – Traffic channel – Control Channel Downlink Uplink Channels
  • 18. • BTS – houses the radio transceivers of the cell and handles the radio-link protocols with the mobile • BSC – manages radio resources (channel setup, handover) for one or more BTSs
  • 19. • MSC – Mobile Switching Center • The central component of the network • Like a telephony switch plus everything for a mobile subscriber: registration, authentication, handovers, call routing, connection to fixed networks. • Each switch handles dozens of cells
  • 20. • HLR – database of all users + current location. One per network • VLR – database of users + roamers in some geographic area. Caches the HLR • EIR – database of valid equipment • AuC – Database of users’ secret keys