Adaptive silencing mechanism for device-to-device (D2D) discovery
US9609502B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 24, 2014 |
| Grant date | Mar 28, 2017 |
| Priority date | — |
| Expiry date | Mar 10, 2035 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W48/12
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
Novel adaptive silencing schemes for device-to-device (D2D) discovery based on loading conditions in a discovery zone are disclosed herein. These adaptive silencing schemes can be used to mitigate interference and data collisions in networks where D2D connections can be formed. In some embodiments, a silencing factor is used to probabilistically determine whether a user equipment (UE) will transmit one or more D2D discovery signals in the discovery zone. Loading conditions in a current discovery zone can be estimated using several different approaches and metrics described herein. The silencing factor can be increased or decreased for a subsequent discovery zone based on the values of one or more of the metrics described herein for the current discovery zone.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.