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MIMO's future becomes less certain

Published Tuesday, May 01, 2007

Multiple input/multiple output, or MIMO, has long promised to increase data speed, range and reliability of wireless networks, but its widespread entrance into the commercial mobile wireless network community remains fuzzy. That has implications for public safety, whose vendors have long desired to leverage wireless technology developed for the commercial sector to drive down costs and spur innovative applications. Based on the concept of multi-antenna arrays deployed at both transmitter and receiver locations, MIMO takes advantage of a traditional weakness of wireless technology. It harnesses the once-unusable multi-path propagation that occurs in a single antenna transmission and uses ...

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