The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 23, 2026
Filed:
Aug. 30, 2021
Apple Inc., Cupertino, CA (US);
Chunxuan Ye, San Diego, CA (US);
Wei Zeng, Saratoga, CA (US);
Haitong Sun, Cupertino, CA (US);
Dan Zhang, Cupertino, CA (US);
Ruoheng Liu, San Diego, CA (US);
Hong He, San Jose, CA (US);
Weidong Yang, San Diego, CA (US);
Idan Bar-Sade, Cupertino, CA (US);
Yushu Zhang, Beijing, CN;
Dawei Zhang, Saratoga, CA (US);
Apple Inc., Cupertino, CA (US);
Abstract
Mechanisms are provided for a user equipment (UE) to determine a transmission frequency or a time advance for an uplink transmission from the UE to a base station in a non-terrestrial wireless network (NTN) without global navigation satellite systems (GNSS) information available to the UE. A communication connection between the UE and a base station can be established. The UE can determine that GNSS information is not available, and report to the base station that the GNSS information is not available. The UE can receive, from the base station, an indication of one or more parameters for an uplink transmission from the UE to synchronize the uplink transmission. The UE can determine, based on a current transmission frequency and the received indication of the one or more parameters, a next transmission frequency and transmit the uplink transmission at the determined next transmission frequency.