Patent · US Active

Satellite beam power backoff

US9538538B2 · kind B2 · utility

7Cited by

15References

30Claims

0Family size

Assignee

QUALCOMM Incorporated · US

Inventors

Dan Zhang · San Diego, US
Mehmet Izzet Gurelli · San Diego, US
Sumeeth Nagaraja · Los Altos, US
Dan Vassilovski · Del Mar, US
James T. Determan · Encinitas, US
Gene Wesley Marsh · Del Mar, US
Qiang Wu · 流花街道, CN

Key dates

Filing date	Sep 24, 2015
Grant date	Jan 3, 2017
Priority date	—
Expiry date	Sep 24, 2035

Classification

Technology area (CPC H)Electricity
CPC primaryH04W72/0473
WIPO fieldDigital communication
WIPO sectorElectrical engineering

Abstract

A method and apparatus for a non-geosynchronous orbit (NGSO) satellite to comply with equivalent power flux density (EPFD) limits are disclosed. The example implementations may allow a constellation of NGSO satellites to comply with EPFD limits without disabling beams transmitted from the NGSO satellites. The power level of one or more beams to be transmitted from the NGSO satellites may be dynamically adjusted according to a beam power back-off schedule. In some aspects, the beam power back-off schedule may specify beam power back-off values as a function of latitude on Earth, and may allow for maximum allowable power levels for beams transmitted from the NGSO satellites without violating any of the EPFD percentile limits.

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