Massive MIMO multi-user beamforming and single channel full duplex for wireless networks
US9813121B1 · kind B1 · utility
Assignee
Inventor
Key dates
| Filing date | Apr 22, 2017 |
| Grant date | Nov 7, 2017 |
| Priority date | — |
| Expiry date | Apr 22, 2037 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W88/08
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
This invention presents a method and apparatuses for wireless networking comprising one or more BS with Nbs antennas; two or more SCs in the range of a BS where a SC has Nsc antennas, uses Nsc1≦Nsc antennas for communication with a BS and uses Nsc2≦Nsc antennas for communication with one or more UEs; at the same time a BS transmitting DL signals to K SCs using multi-user transmit BF in a frequency channel, a SC simultaneously transmitting DL signals to one or more UEs in its range using the same frequency channel; and, at the same time a BS receiving UL signals from K SCs using multi-user receive BF in a frequency channel, a SC simultaneously receiving UL signals from one or more UEs in its range using the same frequency channel. Furthermore, beamforming using antennas on the SCs is performed to reduce the inter-SC interferences.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.