Positioning method and apparatus for different time division duplex uplink-downlink configurations
US10531347B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 5, 2017 |
| Grant date | Jan 7, 2020 |
| Priority date | — |
| Expiry date | Feb 22, 2038 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L5/1469
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
The present invention discloses a positioning method. When a primary cell PCell and a serving cell SCell that are of user equipment UE have different uplink-downlink configurations at a same subframe location, and the UE does not support simultaneous transmission and reception, the method includes: receiving, by a first device, positioning information of the UE, where the positioning information includes positioning assistance information, or positioning assistance information and a UE identifier, and the positioning assistance information includes at least positioning reference signal PRS information, or PRS information and a Cell ID; determining, by the first device and according to the positioning information, that the UE performs PRS measurement at the same subframe location of the SCell that has same configuration, and avoiding, by the first device, scheduling data or configuring a sounding signal sounding at the same subframe location of the PCell and the SCell that have different configurations.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.