Belkin Wireless Pre-N Router F5D8230-4 - Manual (Page 5)

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Introduction
To exploit the benefits the virtual wires offer, MIMO uses multiple,
spatially separated antennas. MIMO encodes a high-speed data
stream across multiple antennas. Each antenna carries a separate,
lower-speed stream. Multipath virtual wires are utilized to send the
lower-speed streams simultaneously.
Wireless is not as well-behaved as a bundle of wires. Each signal
transmitted in a multipath environment travels multiple routes. This
makes a wireless system act like a bundle of wires with a great deal of
leakage between them, causing transmitted signals to jumble together.
The MIMO receiver uses mathematical algorithms to unravel and
recover the transmitted signals.