Patent · US Active

Device-to-device communication collision resolution

US9888489B2 · kind B2 · utility

1Cited by

0References

15Claims

0Family size

Assignee

Telefonaktiebolaget LM Ericsson (Publ) · SE

Inventors

Yunxi Li · Järfälla, SE
Qianxi Lu · Beijing, CN
Stefan Wänstedt · Luleå, SE

Key dates

Filing date	Oct 30, 2014
Grant date	Feb 6, 2018
Priority date	—
Expiry date	Nov 14, 2034

Classification

Technology area (CPC H)Electricity
CPC primaryH04W76/14
WIPO fieldDigital communication
WIPO sectorElectrical engineering

Abstract

A first terminal device (100A) transmits scheduling assignments to announce its scheduled data transmissions. A second terminal device (100B), after receiving the scheduling assignment, determines the timing information of the scheduled data transmission from the first terminal device (100A). However, the scheduling assignment transmissions from two terminal devices (100A, 100B) may collide, in which case, the terminal devices(100A, 100B) may fail to receive the scheduling assignment from each other and miss the scheduled data transmissions indicated in the scheduling assignments. The present application discloses how to detect collisions between scheduling assignment transmissions from two terminal devices (100A, 0B) that are configured for device-to-device communication.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.