Satellite-based communication for internet connectivity has gained traction, although its evolution has shifted away from being user-centric, raising questions about its viability for users in India.
Satellite Based Communication
- A communications satellite is a type of artificial satellite placed in Earth’s orbit to send and receive communication data between a source and a destination.
- With over three thousand communication satellites in multiple orbits today, millions worldwide rely on satellite communications to deliver radio, television, and military applications.
- Satellite communications have opened access to voice and data communication services across the globe in places where terrestrial cellular and broadband connectivity is not available or network coverage is patchy.
Types
Based on the orbit, communication satellites fall into one of four categories
- Geostationary Earth orbit (GEO)
- Medium Earth orbit (MEO)
- Low Earth orbit (LEO)
- Highly elliptical orbit (HEO)
Working
- Satellite communications use orbiting satellites and ground stations to transmit and relay information via microwaves between points on Earth.
There are three stages in the process
Uplink
Transponder
Downlink
For example, in live television, a broadcaster sends a signal to a satellite (uplink), which then boosts and changes the frequency of the signal (transponder), before sending it back to Earth stations (downlink).
Current Status of Satcom Services in India
- Even though technology is ready for India, Satcom services are not yet operational in India primarily due to pending allocation of satellite bandwidth by the government.
- Recently, Reliance Industries’ Jio Platforms has received approval from India’s space regulator, IN-SPACe, to deploy satellites for gigabit fibre internet services, pending additional clearances from the telecom department to commence operations.
Target Audience and Services
- Satcom operators plan to target both individual consumers and enterprises.
- Starlink is known for its consumer-focused approach with portable routers, while Airtel and Reliance Jio are looking at both consumer and enterprise markets.