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TDD : Why a Guard Period only in DL-to-UL Switching ?

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One of my friend, Sripathi has been asking this question about Time Division Duplexing (TDD) for over a week. I thought to visualize the answer for him this time. What was his question ? In TDD, why special sub-frame is used for switching Downlink (DL) to Uplink (UL) . Why not for UL to DL […]

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Faster Horses or Automobiles: Which one would you Choose ?

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Couple of months ago, President and CEO of one of the big ICT companies (no press release of the talk available , so keeping name for privacy) was invited to give a talk, at an annual celebration which I happened to attend. During the questions & answers session. Host asked him, where do you see […]

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Stock Market Dynamics vs. Wireless Communication Dynamics

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  I thought to share an interesting story from couple of years ago. Back in 2010 , I had a neighbor who bought huge number of stocks when BP oil spill incident happened. Our mutual friends started making fun of his move. They said all kinds of things to him. Things like “You are going […]

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