System and method for distinguishing between antennas in hybrid MIMO RDN systems
First Claim
1. A system comprising:
- a multiple-input-multiple-output (MIMO) receiving system having N branches and configured to operate in accordance with a channel estimation MIMO receiving scheme; and
a radio distribution network (RDN) connected to the MIMO receiving system, the RDN comprising at least one beamformer, being fed by two or more antennas, so that a total number of antennas in the system is M, wherein M is greater than N and wherein N is an integer greater than 1, wherein each of the beamformers includes a combiner configured to combine signals coming from a plurality of antennas associated with the respective beamformer into a single signal, and wherein at least one of the combiners has antenna distinguishing circuitry,wherein the antenna distinguishing circuitry is configured to distinguish between any one of the signals feeding the combiner.
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Accused Products
Abstract
A system for distinguishing between any one of a plurality of antennas in a multiple-input-multiple-output (MIMO) system having an augmented number of antennas is provided herein. The system includes a MIMO receiving system having N branches and configured to operate in accordance with a channel estimation MIMO receiving scheme; a radio distribution network (RDN) connected to the MIMO receiving system, the RDN comprising at least one beamformer, being fed by two or more antennas, so that a total number of antennas in the system is M, wherein M is greater than N, wherein each one of the beamformers include a combiner configured to combine signals coming from the antennas into a single signal; and at least one antenna distinguishing circuitry, each associated with a respective beamformer, wherein the antenna distinguishing circuitry is configured to distinguish between the signals coming from the antennas which feed the respective beamformer.
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Citations
20 Claims
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1. A system comprising:
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a multiple-input-multiple-output (MIMO) receiving system having N branches and configured to operate in accordance with a channel estimation MIMO receiving scheme; and a radio distribution network (RDN) connected to the MIMO receiving system, the RDN comprising at least one beamformer, being fed by two or more antennas, so that a total number of antennas in the system is M, wherein M is greater than N and wherein N is an integer greater than 1, wherein each of the beamformers includes a combiner configured to combine signals coming from a plurality of antennas associated with the respective beamformer into a single signal, and wherein at least one of the combiners has antenna distinguishing circuitry, wherein the antenna distinguishing circuitry is configured to distinguish between any one of the signals feeding the combiner. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A method comprising:
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receiving radio frequency (RF) multiple-input-multiple-output (MIMO) signals via M antennas coupled to a MIMO receiving system having N branches and configured to operate in accordance with a channel estimation MIMO receiving scheme, wherein M is greater than N and wherein N is an integer greater than 1; beamforming groups of two or more of the M antennas into each one of the N channels by combining signals coming from the antennas into a combined signal; and applying a distinguishing procedure to the signals coming from the antennas in each one of the groups by applying RF manipulation during the beamforming, wherein the distinguishing procedure distinguishes between any one of the signals coming from the antennas, within the combined signal; and distinguishing within each combined signal between any one of the signals coming from the antennas in each one of the groups by applying RF manipulation during the beamforming. - View Dependent Claims (11, 12, 13, 14, 15, 16, 17)
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18. A system comprising:
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a Multiple Input Multiple Output (MIMO) receiving system having N branches and further configured to operate in accordance with a channel estimation MIMO receiving scheme; N beamformers coupled to the MIMO receiving system, wherein the beamformers comprise at least one combiner and an antenna distinguishing circuitry, wherein the combiner is configured to combine M signals coming from the M antennas into a single combined signal and wherein N is an integer greater than 1; and M antennas coupled to the N beamformers configured to receive radio frequency (RF) MIMO, wherein M is greater than N, wherein the MIMO receiving system is configured to apply a distinguishing procedure to the signals coming from the M antennas, wherein the distinguishing procedure enable distinguishing between any one of the M signals coming from the M antennas, within the N combined signals. - View Dependent Claims (19, 20)
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Specification