the process of transferring data wirelessely through a Bluetooth is called
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Answer:
Bluetooth Implementation
Bluetooth uses radio waves for data transfer in the range of 2400 to 2483.5 MHz.
It uses a mechanism called frequency-hopping spread spectrum ( FHSS ).
The bandwidth is broken down into 79 channels ( media for communication or data transfer ). Each channels has a bandwidth of 1 MHz (2483.5 MHz - 2400 MHz = 83.5 MHz. So each channel gets 1 MHz and the remaining frequency is used as guard band). The channel width in Bluetooth 4.0 is 2 MHz. So 40 channels.
The data are divided into packets and each packet is sent through one of these 79 channels. The data is encoded into streams of binary bits (0's and 1's). These bits are converted ( modulated ) to carrier radio waves. FHSS sends this encoded data by rapidly switching the carrier wave among different channels.
FHSS
FHSS for Bluetooth employs Code-Division Multiple Access ( FH-CDMA ) scheme at the speed of 1600 hops per second.
Find out more about different spectrum spreading techniques.
Bluetooth Network
A maximum of seven devices ( PC/laptop/mobile ) can be connected in one Bluetooth network. This network will be called a piconet. One of these devices is designated as master who can send the files. All other devices are slaves and only receive files from their master. The master selects the slave by round-Robin method.
Two piconets can be connected by bridging - where one of the slaves acts as the master for its own piconet. Such a network of piconets is called a scatternet.
Piconet
Scatternet
Hope this is understandable.
Wifi is a different story.
Explanation:
Hope it helps