Adaptive MU-MIMO beamforming
US10897286B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 7, 2018 |
| Grant date | Jan 19, 2021 |
| Priority date | — |
| Expiry date | Jan 4, 2039 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W88/08
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
This invention presents methods and systems for RF path and antenna connection and switch in wireless communication comprising an electromagnetic lens and M antennas; N (N<=M) radio frequency (RF) transmitting and receiving chains/paths that contain Low Noise Amplifiers (LNAs), RF filters, mixers, amplifiers; a plural of digital to analog converters (DACs) and analog to digital converters (ADCs); a connection and switch network that maps the signals from M antennas to N RF paths in the UL or mapping the signals from N RF path to M antennas in the DL, and a processor unit that measures and estimates the receiving signal strength (RSS) or the equivalent metrics on each antenna for each user equipment (UE) based on the received UL reference signals, and drives signals to control the connection and switch network to connect RF paths and antennas for data transmission.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.