How Exactly is Information Transmitted Wirelessly?
5G networking is on its way. Promising superfast speeds and an end to congestion, the technology is expected to revolutionise mobile networking. With 5G Jio could enable a digital revolution in rural India.
TLDR
A thread
5G networking is on its way. Promising superfast speeds and an end to congestion, the technology is expected to revolutionise mobile networking. With 5G Jio could enable a digital revolution in rural India.
TLDR
A thread
Tech details
A transmitter is a kind of antenna that turns electrical signals into radio waves so they can travel sometimes thousands of kilometers around the Earth or even into space and back. Antennas and transmitters are the key to all forms of modern telecommunication.
A transmitter is a kind of antenna that turns electrical signals into radio waves so they can travel sometimes thousands of kilometers around the Earth or even into space and back. Antennas and transmitters are the key to all forms of modern telecommunication.
A radio wave is generated by a transmitter and then detected by a receiver. An antenna allows a radio transmitter to send energy into space and a receiver to pick up energy from space.Transmitters and receivers are typically designed to operate over a limited range of frequencies
The one characteristic you need to understand about spectrum is frequency
It describes the number of waves that pass a fixed place in a given amount of time.
It describes the number of waves that pass a fixed place in a given amount of time.
So if the time it takes for a wave to pass is is 1/2 second, the frequency is 2 per second.Hz is the number of waves that pass by per second.
Wi-Fi is all about data communication, the transferring of info b/w 2 or more components. There are 3 basic requirements for successful communications:
Two or more devices that want to communicate
A medium, a means, or a method for them to use to communicate
A set of rules
Two or more devices that want to communicate
A medium, a means, or a method for them to use to communicate
A set of rules
First there is a transmitter that begins the RF communication.
The transmitter takes the initial data and modifies the signal using a modulation technique to encode the data into the signal.
The transmitter takes the initial data and modifies the signal using a modulation technique to encode the data into the signal.
The transmitter is also responsible for determining the power level of the wave, which is ultimately regulated by local domain authorities (TRAI in India)
Next, an antenna collects the signal that it receives from the transmitter and directs the RF waves away from the antenna.
Next, an antenna collects the signal that it receives from the transmitter and directs the RF waves away from the antenna.
As the RF waves move away from the transmitting antenna they move towards another antenna attached to the receiver, which is the final component in the wireless medium.
Like all mobile broadband, 4G works through your device communicating with a base station.
Like all mobile broadband, 4G works through your device communicating with a base station.
When a RF wave is met with obstructions such as hills, canyons, buildings, and utility wires, the wavefronts are scattered, and thus they take many paths to reach the destination., it can cause a reduction in data speed and an increase in the number of errors.
The use of two or more antennas, along with the transmission of multiple signals (1 for each antenna) at the source and the destination, eliminates the trouble caused by multipath wave propagation.
This is known as MIMO (multiple input, multiple output) used by Telcom like airtel
This is known as MIMO (multiple input, multiple output) used by Telcom like airtel
4G is a protocol that sends and receives data in packets. 4G differs from 3G in how it works. 4G is entirely IP based, which means it uses internet protocols even for voice data. Jio entirely works on 4G while Airtel has a 3G fallback mechanism.
5G utilises much higher radio frequencies (28 ghz compared to 700 mhz - 2500 mhz for 4G) to transfer exponentially more data over the air for faster speeds, reduced congestion and lower latency, which is the delay before a transfer of data.
Radio signals are measured by their wavelengths. The shorter the wavelength, the higher the frequency. 5G signals will use wavelengths (between 30 and 300 gigahertz) that are measured in millimeters. That's why 5G is considered a millimeter wave technology.
5G will use ‘massive’ MIMO antennas that have very large numbers of antenna elements or connections to send and receive more data simultaneously. The benefit to users is that more people can simultaneously connect to the network and maintain high throughput.
Low-band 5G, transmits at 600MHz, which will work at much longer distance.
In rural areas, that means a single tower could potentially serve customers for hundreds of square miles – but the speeds might look more like 4G than the 5G you'd find in a city.
In rural areas, that means a single tower could potentially serve customers for hundreds of square miles – but the speeds might look more like 4G than the 5G you'd find in a city.
google.com/amp/s/m.econom…
Users from rural regions in india could skip to 5G network with affordable smartphones from Google leapfrogging from the 3G/4G phases.
/End
Users from rural regions in india could skip to 5G network with affordable smartphones from Google leapfrogging from the 3G/4G phases.
/End
