1. Wireless Communication
Transmission Media

2. Radio Frequency Signals (RF)
Starting over 100 years ago were first broadcast carrying
morse code
Audio, television broadcast, cordless telephone, remote controls, cable satellite tv,
Data-Wifi, bluetooth, Wimax 3G and 4G (commonlink is RF)
Used to transfer all types of information

3. What is wireless communication?
Also called as Unguided
Is the transfer of information between two or more points that are not connected by an electrical conductor
Transmissions and receptions are achieved by means of an antenna and can be Directional or Omnidirectional

4. Wireless communication media various types
Bluetooth
Satellite
Microwave
Infrared
Radio wave

5. Wireless communication media various types
IEEE
Wireless communications technology standard for exchanging data over short distances
Minimum range of 10 meters or 30 feet.
Bluetooth V4.2
Bluetooth
Satellite
Microwave
Infrared
Radio wave
-Invented by telecom vendor Ericsson in 1994
-When two Bluetooth enabled devices connect to each other, this is called pairing

6. Wireless communication media various types
It is an artificial object which has been intentionally placed into orbit
Sometimes called artificial satellites
Sent to space for the purpose of telecommunications
GPS (Global Positioning System)
Space based global navigation system using GPS satellite
GPS tell us also: Speed, Altitude, Distance to destination and sunrise and sunset time
Bluetooth
Satellite
Microwave
Infrared
Radio wave
natural satellite  - moon 173 known natural satellites
Sputnik 1, launched by the Soviet Union in October 4, 1957
GPS – not only handheld, it is a system consisting of more than 28 satellite
12thousand miles above 7000 miles an hour, rotates 2times a day, built to last about 10 yrs
60’s-development US Millitary only Korean airlines flight 007 (269 people) –error in navigation
High percentage of telling inaccurate info
Ronald regan-free available and common good
SPUTNIK 1 REPLICA

7. Wireless communication media various types
Microwave transmission refers to the technology of transmitting information by the use of electromagnetic waves: microwaves
The advantage of the high frequency of microwaves gives the microwave band a very large information-carrying capacity
Bluetooth
Satellite
Microwave
Infrared
Radio wave
A telecommunications tower with a variety of dish antennas for microwave relay

8. Wireless communication media various types
Allows devices to communicate via short-range wireless signals
Files and other digital data can transfer bidirectional
Infrared network adapters both transmit and receive data through ports on the rear or side of a device
Infrared radiation was discovered in by astronomer Sir William Herschel
SIR (Serial Infrared): 115.2Kbps
MIR (Medium Infrared): 1.152Mbps
FIR (Fast Infrared): 4Mbps
VFIR (Very Fast Infrared): 16Mbps
Bluetooth
Satellite
Microwave
Infrared
Radio wave
Infrared Data Association (IrDA)
standards for short- range infrared data transmission
SIR-mobile phones and many portable devices
MIR-rarely adopted
FIR-laptops and digital cameras and some Pocket PC PDAs
VFIR -supported by Windows XP

9. Wireless communication media various types
type of electromagnetic radiation with wavelengths in the electromagnetic spectrum
Used for fixed and mobile radio communication, broadcasting, radar and other navigating systems
Radio waves have frequencies from 300 GHz to as low as 3 kHz, and corresponding wavelengths ranging from 1 millimetre to 100 kilometres
Bluetooth
Satellite
Microwave
Infrared
Radio wave
longer than infrared light.

10. Rock and roll to the world!!! Tenk yu berimats