Patent · US Active

Barometric calibration of user equipment

US9810548B2 · kind B2 · utility

1Cited by

4References

14Claims

0Family size

Assignee

Telefonaktiebolaget LM Ericsson (Publ) · SE

Inventors

Fredrik Gunnarsson · Linköping, SE
Henrik Dam · Copenhagen, DK
Javier Muñoz Martin · Málaga, ES

Key dates

Filing date	Jun 17, 2013
Grant date	Nov 7, 2017
Priority date	—
Expiry date	Sep 3, 2033

Classification

Technology area (CPC H)Electricity
CPC primaryH04W4/029
WIPO fieldMeasurement
WIPO sectorInstruments

Abstract

Techniques of barometric calibration of altitude determination by user equipments in a mobile communications network are discussed. In various embodiments, for a plurality of the user equipments, at least one subset of the user equipments is established. Barometric calibration data is determined for the established at least one subset and sent to the user equipments.

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