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Multiple antennas, when used at both the transmitter and the receiver, create a Multiple-Input Multiple-Output (MIMO) propagation channel. Using sophisticated coding at the transmitter and substantial signal processing at the receiver, the MIMO channel can be provisioned for higher data rates, resistance to multipath fading, lower delays, and support for multiple users. Current research efforts demonstrate that MIMO technology has great potential in Third and Fourth-Generation (3G, 4G) cellular systems, fixed wireless access, wireless local area networks, and ad hoc wireless battlefield networks.
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