Large-scale MIMO wireless transmission method for millimeter wave/terahertz networks
US11419068B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 20, 2020 |
| Grant date | Aug 16, 2022 |
| Priority date | — |
| Expiry date | Mar 8, 2040 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L5/0037
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A large-scale MIMO (Multiple-Input Multiple-Output) wireless transmission method for millimeter wave/Terahertz networks is provided. In order to reduce the interruption of propagation in the millimeter wave/Terahertz band, a plurality of cells are combined into a wireless transmission network, the base station in each cell is equipped with a large-scale antenna array, and a unitary transformation matrix is used to achieve large-scale beam coverage for user terminals in the entire network. Moreover, in order to reduce the influence of the multipath and Doppler effects on transmission performance, received signals are synchronized for time and frequency in each receiving beam of a user terminal. The method allocates power for signal transmission according to the statistic information of synchronized equivalent channels, and gives an optimal power allocation matrix by iterative solution based on the CCCP (concave-convex procedure) and the deterministic equivalent method.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.