Implementing multi user multiple input multiple output (MU MIMO) base station using single-user (SU) MIMO co-located base stations
First Claim
1. A system comprising:
- a number N co-located Time Division Duplex (TDD) base stations, each having a baseband module capable of a number K of multiple input multiple output (MIMO) ranks, wherein said N co-located TDD base stations are configured to share a common antenna array and a common bank of radio modules, and wherein said N co-located TDD base stations are configured to operate over a common frequency band;
a front-end MIMO processor connected to said N co-located TDD base stations and further coupled to said common antennas array; and
a back-end coordinator configured to optimize operation of said N co-located TDD base stations, such that said N co-located TDD base stations and said front-end MIMO processor implement a multi-user multiple input multiple output (MU-MIMO) base station capable of dynamically separating a coverage area into N*K spatial channels.
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Abstract
A system that implements multi user multiple inputs multiple outputs (MU MIMO) base station using a plurality of co-located single-user (SU) MIMO base stations is provided herein. The system may include a number N co-located single-user multiple input multiple output (SU-MIMO) bases stations each having a number K MIMO rank, wherein said N co-located SU-MIMO base stations are configured to share a common antennas array, operating over a common frequency band; a front-end MIMO processor connected to said N co-located SU-MIMO base stations and further coupleable to said common antennas array; and a back-end coordinator configured to collaboratively assist in optimizing operation of said N co-located SU-MIMO base stations, such that said N co-located SU-MIMO base stations and said front-end MIMO processor collaboratively implement a multi-user multiple input multiple output (MU-MIMO) base station capable of dynamically separating a coverage area into N*K spatial channels.
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Citations
23 Claims
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1. A system comprising:
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a number N co-located Time Division Duplex (TDD) base stations, each having a baseband module capable of a number K of multiple input multiple output (MIMO) ranks, wherein said N co-located TDD base stations are configured to share a common antenna array and a common bank of radio modules, and wherein said N co-located TDD base stations are configured to operate over a common frequency band; a front-end MIMO processor connected to said N co-located TDD base stations and further coupled to said common antennas array; and a back-end coordinator configured to optimize operation of said N co-located TDD base stations, such that said N co-located TDD base stations and said front-end MIMO processor implement a multi-user multiple input multiple output (MU-MIMO) base station capable of dynamically separating a coverage area into N*K spatial channels. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23)
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Specification