Dr Rajiv Desai

An Educational Blog

5G

5G ___ ___ Prologue: Today’s wireless networks have run into a problem: More people and devices are consuming more data than ever before, but it remains crammed on the same bands of the radio-frequency spectrum that mobile providers have always used. That means less bandwidth for everyone, causing slower service and more dropped connections. The rapid increase of mobile data growth and the use of smartphones are creating unprecedented challenges for wireless service providers to overcome a global bandwidth shortage. As today’s cellular providers attempt to deliver high quality, low latency video and multimedia applications for wireless devices, they are limited to a carrier frequency spectrum ranging between 700 MHz and 2.6 GHz. Carrier frequency is the basic operative frequency of radio wave that carries information (voice, video, data) from one place to another place by modulation. A modulated carrier radio wave, carrying an information signal, occupies a range of […]

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NET NEUTRALITY

NET NEUTRALITY: _ _ I am reminded of Abraham Lincoln’s remark: “The world has never had a good definition of the word liberty. We all declare for liberty, but in using the same word we do not mean the same thing.”  Substitute ‘net neutrality’ for ‘liberty’, and that’s where we are today. The Internet has unleashed innovation, enabled growth, and inspired freedom more rapidly and extensively than any other technological advance in human history. Its independence is its power. Net neutrality means internet service providers (ISPs) should treat all data on internet equally. The ISPs have structural capacity to determine the way in which information is transmitted over the internet and the speed at which it is delivered.  And the present internet network operators, principally large telephone and cable companies—have an economic incentive to extend their control over the physical infrastructure of the internet to leverage their control of internet […]

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