3. 19th Century Origin:
Wireless communication began in the 19th century and has since
undergone significant evolution.
Data Transmission:
Employs electromagnetic waves like Infrared, Radio Frequency, and
Satellite for transmitting data without cables.
Adaptability and Reliability:
Ensures adaptability and reliability across diverse networks, simplifying
usage.
Multimedia Capability:
Capable of transmitting large volumes of multimedia data wirelessly.
Spectrum Transmission:
Efficiently utilizes spectrum for enhanced communication.
Multiple Device Connectivity: Allows multiple devices to connect without the need for
direct wired links.
Cost and Time Savings:
Wireless setups are typically less expensive and time-consuming compared
to wired systems.
Mobility and Flexibility:
Provides mobility, flexibility, and accessibility in telecommunications, IoT,
transportation, healthcare, and entertainment sectors.
Wireless Communication
4. History Of Wireless Communication
19th Century Beginnings:
Foundation laid with Maxwell's electromagnetic
theory.
Invention of Radio:
Marconi's experiments led to long-distance telegraph
signal transmission.
Wireless Telegraphy:
Marconi's 1901 signal transmission across the
Atlantic enabled wireless communication.
Voice Transmission:
Bell and Tainter's 1880 photophone transmitted
speech via modulated light.
Telephony and Broadcasting:
Vacuum tube invention enabled wireless telephony
and radio broadcasting.
5. World War II Developments:
Radar, sonar, and radio navigation systems were
developed.
Post-War Era:
Transistor invention revolutionized electronics
and communication devices.
Digital Revolution:
Digital wireless tech like cellular networks and
satellite communication emerged.
Mobile Revolution:
Introduction of mobile phones and wireless
internet transformed communication.
Future Trends:
Ongoing innovations include 5G, IoT, and
emerging technologies like Li-Fi.
6. •Bluetooth
•Wi-Fi
•Near Field Communication (NFC)
•Zigbee
•Z-Wave
•RFID (Radio-Frequency
Identification)
•Satellite Communication
•Cellular Communication (4G/5G)
Types of Wireless Communication
7. WIFI
Wi-Fi is a wireless networking
technology that allows devices to
connect to a local area network
(LAN) wirelessly, providing internet
access and network connectivity.
Wi-Fi Works
•Radio Waves
•Access Points
•SSID and Authentication
•Data Transmission
Applications of Wi-
Fi
•Internet Access
•Home Networking
•Business Connectivity
•Public Hotspots
•IoT Connectivity
8. Bluetooth
Bluetooth is a
wireless technology standard for
exchanging data over short distances
between devices, such as smart
phones, laptops, and IoT devices,
using radio waves.
Bluetooth Works
•Radio Communication
•Pairing
•Data Exchange
•Hands-Free Calling
Applications of Bluetooth
•Wireless Audio Streaming
•Hands-Free Calling
•Wireless Peripheral Connectivity
•Smart Home Automation
•Wearable Devices
9. Near Field Communication
(NFC) is a short-range wireless
communication technology that
enables data exchange between
devices when they are brought
close together, typically within a
few centimetres.
NFC Works
•Communication Range
•Radio Frequency
•Modes of Operation
Applications of NFC
•Contactless Payments
•Access Controi
•Ticketing
•Data Exchange
Near FieldCommunication
10. Z-Wave is a wireless
communication protocol
designed for home automation
and IoT devices, offering low-
power, low-latency, and reliable
connectivity for smart home
applications.
Z-Wave Works
•Mesh Networking
•Frequency Band
•Low Power Consumption
•Secure Communication
•Interoperability
Applications of Z-Wave
•Home Automation
•Security Systems
•Energy Management
•Healthcare Monitoring
•Smart Entertainment
Z-Wave
11. RFID (Radio-Frequency
Identification) is a wireless
technology that uses
electromagnetic fields to
automatically identify and track tags
attached to objects.
RFID Works
•Tag and Reader
•Radio Waves
•Identification
•Passive and Active Tags
•Frequency Bands
Applications of RFID
•Inventory Management
•Access Control
•Asset Tracking
•Contactless Payments
•Transportation and Logistics
RFID (Radio-Frequency
Identification)
12. Zigbee is a low-power, low-data
rate wireless communication
protocol designed for short-range
communication between devices
in applications such as home
automation, industrial control, and
sensor networks.
Zigbee Works
Mesh Networking .
Low Power Consumption
Frequency Band
Network Coordination
Mesh Routing
Interoperability
Applications of Zigbee
Home Automation
Industrial Control
Healthcare Monitoring
Zigbee
13. Satellite communication involves
transmitting data between ground stations
and satellites orbiting the Earth, enabling
long-distance communication and global
coverage.
Satellite Communication
Works
•Uplink
•Satellite Relay
•Downlink
•Orbital Mechanics
•Transponders
Applications of Satellite
Communication
•Telecommunications
•Remote Sensing
•Navigation
•Broadcasting
•Internet Connectivity
•Military and Defense
Satellite communication
14. Cellular communication is enables voice and
data transmission over cellular networks, using
a system of interconnected base stations to
provide coverage over large geographic areas.
Cellular Communication Works
•Cellular Network
•Frequency Division Multiple Access (FDMA)
•Time Division Multiple Access (TDMA) or Code
Division Multiple Access (CDMA)
•Handoff
•Backhaul Connection
•Roaming and Interconnection
Applications of Cellular
Communication
•Voice Calling
•Mobile Internet
•Text Messaging (SMS)
•Mobile Banking and Payments
•Location-Based Services
•IoT Connectivity
Cellular communication
16. •Start Early 80's
•Analogue technique
•AMPT (Advanced Mobile Phone System):North America
•NMT(Nordic Mobile Telephony):North Europe
•TACS(Total Access Communication Service):Europe , China.
•HCMTS(High Capacity Mobile Telephone System):Japan
FDMA
•Frequency Division Multiple Access
•Different Carrier frequencies are assigned to different traffic
channels(Speech)
•One carrier frequency can only carry one single speech channel at
one time.
Shortage
•Voice information only
•Unsafe(Eavesdropping)
•Waste of frequency resource
1G
17. •Start early 90's
•Digital technique
•GSM: Global System of Mobile phone
•GPRS: General Packet Radio Service
•D-AMPS: Digital AMPS
Shortage
•Not fast enough for the multimedia service 2G
•The data rate falls when the network is busy
•Upgrade of handset
GPRS
•Upgrade of existed GSM network
•Improves the data communication ability
Advantages of GPRS
•Higher data rate
•Seamless connection to internet
•Packet switching rather than circuit switch, bandwidth is only used when the
data is actually used , even thought it is always connected.
•A primary step to 3G
18. •Three CDMA standard approved by ITU:
•Direct Spread CDMA(WCDMA):Europe , Japan
•Multi-carrier CDMA(CDMA 2000):North America
•TD-Synchronous CDMA (CDMA TDD): Europe , China
3G-CDMA
•Code Division Multi Address
•Spread Spectrum Technology
•Each single traffic channel occupies the whole
spectrum , but distinguished by a unique digital code
•Walsh Code: An orthogonal 64 bit pattern , unique in
the network
3G
19. •Better voice quality
•Up to 2Mbps data communication rate
•Increase battery life
•Soft hand-off
•Excellent data safety
•More effective spectrum usage than 2G.
Features
20. Network Nodes
GGSN: Gateway GSM Support Node.
Protocol transferring ,data encapsulation ,a connection to external
networks
SGSN: Service GSM Support Node
Communication with HLR and mobile handsets ,authorization and
admission control ,charging ,mobility management
Data Communications
In GSM, one user occupies one traffic channel to exchange voice
/data information
In GPRS , up to 8 traffic channels can be dynamically combined
together for one data communication application
The theoretically maximum data transmission rate:
14.4kbps*8=115.2kbps.
21. •Communicating with each other and sharing information
•For a business deals
•Remote access to medical records by a paramedic may save a
life
•At the time of disaster
•Mobility
•Flexibility
•Accessibility
•Cost-Effectiveness
•Scalability
•Convenience
•Disaster Recovery
•Innovation
Need for Wireless Communication
24. Advantages of wireless communication
•Used for both short & long
distances
•Can be used in any condition
like disasters
•Easy mobility of the devices
•Low maintenance and no
additional cost of rewiring
•Wireless
•Cost Durability
•Flexibility
26. Future of wireless communication
Some improvement to be done:
Has to be made more secured
Eco friendly and non-riskly ways
to be find out
Speed to be increased
27. Conclusion
•A good medium of communication
•Low maintenance
•No wires
•Portable
•Lightweight easy to use too
