What is wireless communication? Explain its services.
wireless communication:
Wireless Communication involves the transmission of information over a distance without the help of wires, cables or any other forms of electrical conductors.
It is a term that connecting and communicating between two or more devices using a wireless signal through wireless communication technologies and devices.
Fig. Wireless Communication
The transmitted distance can be anywhere between a few meters (for example: a television's remote control) and thousands of kilometers (for example: radio communication).
Wireless communication can be used for cellular telephony, wireless access to the internet, wireless home networking, and so on.
Services :
Wireless communication services provide cell phone service, SMS, WAP and GPRS services to mobile phones.
They support analog and digital telephone networks as well as satellite phones. Analog telephones translate audio signals into electronic pulses.
Digital telephones translate voice communications into a binary format.
Wireless communication services that support corded phones and older, analog cellular phones often use advanced mobile phone service (AMPS), a 1G standard which operates in the 800 to 900 MHz frequency band.
Digital technologies for mobile telephones and cell phones include code division multiple access (CDMA), time division multiple access (TDMA), global system for mobile communications (GSM), and digital enhanced cordless telecommunications (DECT).
Short message service (SMS) is available on many digital GSM networks.
Wireless application protocol (WAP), an open specification for mobile devices, allows users to communicate with satellite phones, pagers, and two-way radios.
GSM wireless communication services may also provide general packet radio service (GPRS), which combines packet-switching protocols with flexible data transmission rates.
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