System and methods for performing antenna transmit diversity
US9444540B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 28, 2012 |
| Grant date | Sep 13, 2016 |
| Priority date | — |
| Expiry date | Mar 2, 2033 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04B7/0602
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A wireless electronic device may include switching circuits that perform time division duplexing by toggling between a first configuration in which radio-frequency signals received from antennas are routed to the transceivers and a second configuration in which the antennas are coupled to antenna switching circuitry. The antenna switching circuitry may receive radio-frequency transmission signals from the transceivers and route the transmission signals to a selected one of the antennas. The antenna switching circuitry may be controlled by control circuitry such as baseband circuitry and/or storage and processing circuitry on the device. The antenna switching circuitry may be controlled to accommodate antenna transmit diversity without affecting reception of radio-frequency signals, because the switching circuits that perform time division duplexing may form signal reception paths that are unaffected by the configuration of the antenna switching circuitry.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.