Communications, one form or other, has been one of the most valuable tools for man. The speed of developments in the last two decades, though, was unmatched. The most cited inventions of the century have been wireless cellular communications and the Internet. It could only be science fiction for this living generation 30 years ago that one would be able to experience a live conversation with a family or friend on the other side of the world in the near future. Although we can enjoy an amazing amount of communication experience inexpensively through a small handheld device today, the cost for these technologies to reach this point was not low. Generations of engineers have worked years to come upon every incremental ...
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