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Large MIMO Systems by B. Sundar Rajan, A. Chockalingam

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2  Large MIMO systems

Large MIMO systems are systems which use tens to hundreds of antennas in communication terminals. Depending on the application scenario, different MIMO system configurations are possible. These include point-to-point MIMO and multiuser MIMO configurations. In multiuser MIMO, point-to-multipoint (e.g., downlink in cellular systems), and multipoint-to-point (e.g., uplink in cellular systems) configurations are common. In a point-to-point communication scenario (Fig. 1.1), the number of transmit antennas nt at the transmitter and the number of receive antennas nr at the receiver can be large. A typical application scenario for a point-to-point large MIMO configuration is providing high-speed wireless backhaul connectivity between ...

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