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Aerial views
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20/03/2008
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Multiple Input, Multiple Output (MIMO) technology has received a lot of attention amongst wireless system designers recently because it offers the ability to increase data rates dramatically in broadband wireless networks.
However, as the technology moves from the research laboratory into real prototype designs, the first wave of adopters are uncovering performance issues in MIMO which can often be solved only through a carefully planned and executed programme of system and device testing.
MIMO refers to the use of multiple antennae both at the transmitter and receiver. It is designed for use in broadband wireless systems, such as next generation Long Term Evolution (LTE) mobile phone networks, HSPA Evolution, WiMAX and WiFi. The main benefit of MIMO is that it increases the data rate (throughput) capacity of the radio channel. In addition, MIMO can provide protection against fading on the radio channel, allowing data rates to be improved in conditions where propagation interference can compromise throughput performance.
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Author
Jonathan Borrill
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