Techniques for line-of-sight MIMO communications using rectangular antenna arrays
US11509368B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 22, 2021 |
| Grant date | Nov 22, 2022 |
| Priority date | — |
| Expiry date | Sep 22, 2041 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L25/0242
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
Methods, systems, and devices for wireless communications are described. A first wireless device may receive a request for beamforming information associated with line-of-sight (LoS) multiple input multiple output (MIMO) communication from a second wireless device. The first wireless device may generate a channel estimation matrix for a channel between rectangular antenna arrays of the respective wireless devices, the channel estimation matrix including one or more quadratic terms for the LoS MIMO communication. The first wireless device may generate a first sub-matrix and a second sub-matrix based on the channel estimation matrix. The first wireless device may transmit an indication of a set of precoders for the LoS MIMO communication, the set of precoders based on a symmetry associated with the first and second sub-matrices, and may receive the LoS MIMO communication from the second wireless device based on the set of precoders.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.