It's about the Telecommunication Sector in Bangladesh. Which is important for Electrical Circuit course, both CSE & EEE. For pptx contact with me

1. lecommunication Sector
In Bangladesh

2. TELECOMMUNICATION ?
What is

3. Telecommunications include all of the necessary technical resources to as faithful
and reliable routing of information between two points, as accurate and reliable
as possible, with lower costs. The development of modern communications
systems, involves mastering the optoelectronic devices and radio and optimization
of the representation of the information in digital form. The signal processing
allows adapting the information to the transmission medium and restoring it after
receiving.

4. ELECOMMUNICATION SYSTEM
Telecommunication System is the collection of nodes & links to enable
telecommunication.
Telecommunication is communication at a distance using electrical signals or
electro magnetite waves.

5. Examples

6. Phone Company

7. • Input & Output devices
• Telecommunication Channels
• Telecommunication Processors
• Control Software
• Massages
• Protocol
Components

8. • Input & Output devices
• Telecommunication Channels
• Telecommunication Processors
• Control Software
• Massages
• Protocol
Components

9. • Input & Output devices
• Telecommunication Channels
• Telecommunication Processors
• Control Software
• Massages
• Protocol
Components

10. • Input & Output devices
• Telecommunication Channels
• Telecommunication Processors
• Control Software
• Massages
• Protocol
Components

11. • Input & Output devices
• Telecommunication Channels
• Telecommunication Processors
• Control Software
• Massages
• Protocol
Components

12. • Input & Output devices
• Telecommunication Channels
• Telecommunication Processors
• Control Software
• Massages
• Protocol
Components

13. Mobile
Communication

14. What is mobile communication ?
A wireless form of communication in which voice & data information
is emitted ,transmitted &received via microwaves.

15. BSC
BSC
BSC
BTS
BTS
BTS
BTS
BTS
BTS
MSC 1
MSC 2
BTS : Base Transceiver Station
BSC : Base Station Controller
MSC : Mobile Switching Centre
MS : Mobile Station

16. Generation Time period Definition Characteristics speed
1G 1980- 1990 Analog Voice only 14.4Kbps
2G 1990-2006 Digital narrow band Dara along voice
,mms, web browsing.
56Kbps to 115Kbps
3G 2006-2011 Digital broad band Universal access,
video calling
5.8Mbps to 14.4
Mbps
4G 2011- present Digital broadband
very high throughput.
HD streaming
portability increased
to Worldwide
roaming
100Mbps to 1Gbps

17. Computer Communication
System

18. What is Computer Communication System?
• The transmission of data from one computer to another or
from one device to another. A communications device
therefore is any machine that assists data transmission

19. Use of Computer Communication
 E-mail:
The exchange of text message and computer files via a communication network.
 Voice- mail:
An answering machine but converts an analog voice message into digital form.
BBS(Bulletin Board System):
A computer that maintains a centralized collection of electronic messages.

20. Communication channels

21. Communication channel
• In telecommunications and computer networking a communication
channel refers either to a physical transmission medium such as
wire , or to a logical connection over a multiplexed medium such as
a radio channel.
• A channel is used to convey an information signal , for example a
digital bit stream from one or several to one or several receivers.
• A channel has a certain capacity for transmitting information , often
measured by its bandwidth in Hz or data rate in bits per second.

22. Types of communication channels
1. WIRED:
1)Two wire open line
2)Coaxial cable
3)Twisted fair cable
4)Optical fiver cable
2. WIRELESS:
1)Microwave communication
2)Radio
3)Satellite

23. Recently best Leading operators in
Bangladesh

25. Grameenphone widely abbreviated as GP, is the leading
telecommunications service provider in Bangladesh. With more than
53.129 million subscribers ,Grameenphone is the largest mobile phone
operator in the country. In 2018 GP released a new sim which is
skitto……& it’s number series is 013

26. Overview of Grameenphone
• Founded 1997 in dhaka,BD
• Founder Iqbal Quadir
• Headquaters Baridhara,Dhaka,BD
• Area served Bangladesh
• Revenue •৳ 102.7 billion (2014)
• •৳ 96.6 billion (2013)
• Operating income •৳ 36.9 billion (2014)
• •৳ 33.2 billion (2013)
• Net income •৳ 19.8 billion (2014)
• •৳ 14.7 billion (2013)
• Number of employees 4,260(Q1,2015)

27. • Banglalink , is the second largest cellular service provider in Bangladesh
after Grameenphone. Banglalink has a subscriber base of 32.224
million. It is a wholly owned subsidiary of Telecom Ventures Ltd.

28. Overview of Banglalink
• Type Subsidiary
• Industry Telecommunication
• Founded November, 1996
• Headquaters Tiger’s Den,House no.4, sw,Bir uttam Mir
• Shawkat Sharak ,Gulshan -1,Dhaka ,Bangladesh .
• Area served 64 districts
• Revenue US$288 million (2008), 49.2% from 2007
• Products Telephony,4G
• parent Global Telecom Holding
•
•

29. • Robi Axiata Limited, DBA Robi formerly known as AKTel, is a joint venture between
Axiata Group Berhad, Malaysia (92%) and NTT DoCoMo Inc, Japan (8%). Robi is the
third largest mobile phone operator in Bangladesh with more than 25.3 million
subscribers as of December 2014. Robi boasts of the widest international roaming
service in the market, connecting over 500 operators across 207 countries. It is the
first operator in the country to introduce GPRS. Airtel, in Bangladesh, is an
independent product brand of Robi Axiata, since Robi Airtel Limited is the Licensee
of 'airtel' Brand in Bangladesh.

30. Founded : 1997
Industry : Mobile Telecommunication
Headquarters : Robi Corporate Office ,53 Gulshan South Avenue ,Gulshan-
1,dhaka ,BD
Area served : All over Bangladesh
Products : Telephony, EDGE, GSM, 4.5G
Revenue : 9.4% in 2014
Parent : Axiata Group Berhad (92%)& NTT DoCoMo(8%)
Overview of Robi

31. • BTCL or Bangladesh Telecommunications Company Limited is the largest
telecommunications company in Bangladesh. The company was founded as
the Bangladesh Telegraph & Telephone Board (BTTB) following Bangladesh's
independence in 1971. On July 1, 2008 the BTTB became a public limited
company and was renamed as BTCL..The Bangladesh government initially
owned all BTCL shares, but stated it would sell the shares to the public the
following year. The value of BTCL is estimated to be at Tk 15,000 crore. BTCL
has a total of 12,636 officials and staff.