A 4G primer
WhAt is 4G?
4G stands for fourth generation, the wireless technology standard that’s considered the successor to the 3G, or third-generation, high-speed, mobile telecom standard. The key difference is that it’s designed for wireless or mobile data services using spectrum or airwaves more efficiently, enabling speeds of as much as 100 mbps (megabits per second) theoretically. Typically, 4G technologies don’t work on the switching systems used in mobile telephony but are deployed on Internet Protocol (IP)based systems.
Compiled by Shauvik Ghosh
Who else Will lAunch 4G services in indiA?
Reliance Infotel Ltd is the only operator with spectrum across the country. The firm is expected to launch services using the same TD-LTE technology by the end of the June quarter. Aircel has the second-highest number of BWA circles. The telco announced it successfully tested the technology in September and will launch services soon. It has spectrum in Andhra Pradesh, Tamil Nadu, West Bengal, Bihar, Orissa, Assam, the North-East and Jammu and Kashmir. Tikona already has a relatively strong broadband subscriber base with a million customers using unlicensed spectrum. It’s expected to launch 4G in Gujarat soon, using LTE. The firm also has spectrum in Uttar Pradesh (east and west), Rajasthan and Himachal Pradesh. Qualcomm is considered the owner of the TD-LTE standard. The firm hopes to use its India experience as a showcase of the technology to the world. The company has teamed up with Tulip Telecomand Global Holding Corp (which owns telecom tower company GTL Infrastructure Ltd), allowing it to get licences to operate BWA spectrum in Delhi, Mumbai, Kerala and Haryana last month. Augere has spectrum in Madhya Pradesh and is expected to launch TD-LTE services this quarter.
hoW does it Work?
There are essentially two kinds of 4G technology—the older Wimax (worldwide interoperability for microwave access) and the newer LTE (long term evolution). LTE is of two...
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