Antenna Systems and Methods for massive MIMO Communication
First Claim
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1. A Multi-Input-Multi-Output (MIMO) antenna system, comprising:
- a plurality of first antennas; and
a measurement module, coupled to the plurality of first antennas, configured to estimate a channel from the plurality of first antennas to a plurality of second antennas and to select a subset of the plurality of first antennas, based on the estimated channel, for transmitting a plurality of signals to the plurality of second antennas.
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Abstract
Antenna systems and methods for Massive Multi-Input-Multi-Output (MIMO) (M-MIMO) communication are provided. Antennas systems include a M-MIMO transmitter architecture with a hybrid matrix structure. The hybrid matrix structure protects against transmit path component failures and ensures that a spatial rate of the MIMO transmitter is not degraded by the failures. Antenna systems and methods also include antenna selection schemes for selecting a subset of antennas from a plurality of antennas to transmit to a receiver.
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Citations
20 Claims
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1. A Multi-Input-Multi-Output (MIMO) antenna system, comprising:
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a plurality of first antennas; and a measurement module, coupled to the plurality of first antennas, configured to estimate a channel from the plurality of first antennas to a plurality of second antennas and to select a subset of the plurality of first antennas, based on the estimated channel, for transmitting a plurality of signals to the plurality of second antennas. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A method for Massive Multi-Input-Multi-Output (MIMO) (M-MIMO) antenna selection, comprising:
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estimating a channel from a plurality of first antennas to a plurality of second antennas; selecting, based on the estimated channel, a subset of the plurality of first antennas; and transmitting a plurality of signals to the plurality of second antennas using the subset of the plurality of first antennas. - View Dependent Claims (13, 14, 15, 16, 17, 18)
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19. A Multi-Input-Multi-Output (MIMO) antenna system, comprising:
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a first hybrid matrix configured to receive a plurality of input signals and to generate a respective plurality of hybrid signals, wherein each of the plurality of hybrid signals is a combination of the plurality of input signals; a plurality of power amplifiers (PAs) each configured to receive a respective one of the plurality of hybrid signals and to generate a respective one of a plurality of amplified hybrid signals; a second hybrid matrix configured to receive the plurality of amplified hybrid signals and to generate a respective plurality of output signals, wherein each of the plurality of output signals is a combination of the plurality of amplified hybrid signals; and a plurality of antennas each configured to transmit a respective one of the plurality of output signals. - View Dependent Claims (20)
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Specification