Multiple co-located multi-user-MIMO access points
First Claim
Patent Images
1. A wireless communication system, comprising:
- a plurality of N co-located Wi-Fi access points, each configured to communicate with at least one user equipment; and
a beamformer coupled to each of the access points and coupled to at least one antenna array, the antenna array including a plurality of antenna elements, wherein the at least one antenna array is configured to provide a plurality of M spatially uncorrelated beams for a coverage area of each of the N access points,wherein the at least one antenna array includes antenna elements that are dual polarized,wherein the beamformer is coupled to two arrays of dual polarized antenna elements, thereby providing M greater or equal to 4 spatially uncorrelated beams for a coverage area of each of the N access points, andwherein the arrays are physically separated by at least 0.5 wavelengths.
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Abstract
A wireless communication system may include a plurality of N co-located Wi-Fi access points, each configured to communicate with at least one user equipment. The system may further include a beamformer coupled to each of the access points and coupled to at least one antenna array. The antenna array may include a plurality of antenna elements and may be configured to provide a plurality of M spatially uncorrelated beams for a coverage area of each of the N access points.
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Citations
17 Claims
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1. A wireless communication system, comprising:
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a plurality of N co-located Wi-Fi access points, each configured to communicate with at least one user equipment; and a beamformer coupled to each of the access points and coupled to at least one antenna array, the antenna array including a plurality of antenna elements, wherein the at least one antenna array is configured to provide a plurality of M spatially uncorrelated beams for a coverage area of each of the N access points, wherein the at least one antenna array includes antenna elements that are dual polarized, wherein the beamformer is coupled to two arrays of dual polarized antenna elements, thereby providing M greater or equal to 4 spatially uncorrelated beams for a coverage area of each of the N access points, and wherein the arrays are physically separated by at least 0.5 wavelengths. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A wireless communication method, comprising:
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communicating with at least one user equipment, by a plurality of N co-located Wi-Fi access points; and providing, by two receiving antenna arrays and two transmitting antenna arrays, each including a plurality of antenna elements, a plurality of M spatially uncorrelated beams for a coverage area of each of the N access points, wherein a beamformer is coupled to each of the access points and coupled to the at least one antenna array, wherein the transmitting antenna arrays are separated by at least 0.5 wavelengths and the receiving antenna arrays are separated by at least 0.5 wavelengths. - View Dependent Claims (9, 10, 11, 12, 13)
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14. A communication device, comprising:
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a plurality of Wi-Fi access points to exchange data with a beamformer; at least one transmitting antenna array and at least one receiving antenna array, each coupled to the beamformer, wherein the at least one transmitting antenna array is able to transmit data from the beamformer to a user equipment via a plurality of spatially uncorrelated transmit beams for each area served by the access points, wherein the at least one receiving antenna array is able to receive data from a user equipment via a plurality of spatially uncorrelated receive beams for each area served by the access points, wherein the at least one transmitting antenna array comprise two transmitting antenna arrays separated by at least 0.5 wavelengths and the at least one receiving antenna array comprise two receiving antenna arrays separated by at least 0.5 wavelengths; and a controller to allow said spatially uncorrelated beams based on a Single-User-MIMO process, Multi-User-MIMO process, or both simultaneously. - View Dependent Claims (15, 16, 17)
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Specification