Wireless Takes To The High Wire
The race is on to perfect new ways of blasting data
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If radio signals were visible to the human eye, cities might look like this view of Los Angeles: up to their gargoyles in radio waves. You would see transmissions from millions of cell phones and laptops, Palms and pagers, bouncing, bumping and reflecting through the urban canyons.
What you might notice, right away, is that radio spectrum is limited and getting more crowded every day. Communication businesses already feel the crunch. If they want to provide a new cell-phone service or wireless Internet access, they either have to license more frequency from the government or get smarter about how they use the airwaves.