Radio frequency front-end system, signal transmission control method, and mobile terminal
US9948328B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 26, 2014 |
| Grant date | Apr 17, 2018 |
| Priority date | — |
| Expiry date | Mar 26, 2034 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04B15/02
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
Embodiments disclose a radio frequency front-end system and a signal transmission control method. The system includes a first antenna, a second antenna, a first radio frequency circuit, a second radio frequency circuit, and a controller. The controller is configured to acquire a transmission frequency band selected by the first radio frequency circuit, and when a frequency in the transmission frequency band selected by the first radio frequency circuit is less than a preset frequency, to control the first radio frequency circuit to connect to the second antenna. The controller is further configured to disconnect a connection between the second radio frequency circuit and the second antenna, or to maintain an open circuit state between the second radio frequency circuit and the second antenna.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.