Angle of arrival of personal area network devices using a switched beam antenna
US12164044B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 18, 2024 |
| Grant date | Dec 10, 2024 |
| Priority date | — |
| Expiry date | Jan 18, 2044 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01S3/50
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A method and apparatus for measuring the angle of arrival AOA of Classic Bluetooth Basic Rate (BR) packets, using a switched beam antenna SBA is described. Paging packets are transmitted and wide antenna beams, quadrants, are selected in turn until the paging response is received. After transmitting the synchronization packet and the temporary connection is established, narrow antenna beams are selected, in sequences and the average signal strength for each beam is recorded, for each sequence. The beam with the highest signal strength is returned as the AOA. Based upon which beam recorded the highest signal strength, the next sequence of antenna beams is selected.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.