Eliciting MIMO transmissions from wireless communication devices
US11018734B1 · kind B1 · utility
Assignee
Inventor
Key dates
| Filing date | Oct 28, 2020 |
| Grant date | May 25, 2021 |
| Priority date | — |
| Expiry date | Oct 28, 2040 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W64/006
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
In a general aspect, MIMO transmissions are elicited from wireless communication devices for wireless sensing. A first wireless communication device may be configured to generate network or transport layer messages addressed to a second wireless communication device in a wireless communication network, and wirelessly transmit the network or transport layer messages to the second wireless communication device to elicit MIMO transmissions from the second wireless communication device. The first wireless communication device may further be configured to receive MIMO transmissions from the second wireless communication device, where the MIMO transmissions traverse a space between the first wireless communication device and the second wireless communication device. The first wireless communication device may additionally be configured to identify a training field in each MIMO transmission, generate channel information based on the respective training fields, and detect motion that occurred in the space based on the channel information.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.