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The 2015 spectrum auction concluded on 25 March, after 19 days and 115 rounds of bidding. [43] Spectrum in the 800 MHz, 900 MHz, 1800 MHz and 2100 MHz bands was auctioned. The Government accrued a total of ₹ 109,874 crore (US$13 billion) [44] from the auction. Approximately, 11% of the spectrum available for auction remained unsold. [45 ...
The 2G spectrum case was a political controversy in which politicians and private officials of the United Progressive Alliance (UPA) coalition government India were allegedly involved in [1] selling or allotting 122 2G spectrum licenses on conditions that provided an advantage to specific telecom operators.
In India, electromagnetic spectrum, being a scarce resource for wireless communication, is auctioned by the Government of India to telecom companies for use. As an example of its value, in 2010, 20 Hertz of 3G spectrum was auctioned for ₹ 677 billion (US$7.8 billion). This part of the spectrum is allocated for terrestrial communication (cell ...
A cognitive radio (CR) is a radio that can be programmed and configured dynamically to use the best channels in its vicinity to avoid user interference and congestion. Such a radio automatically detects available channels, then accordingly changes its transmission or reception parameters to allow more concurrent wireless communications in a given band at one location.
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The spectrum in a rainbow. A spectrum (pl.: spectra or spectrums) [1] is a condition that is not limited to a specific set of values but can vary, without gaps, across a continuum. The word spectrum was first used scientifically in optics to describe the rainbow of colors in visible light after passing through a prism.
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