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:
Sep. 09, 2025
Filed:
Aug. 04, 2021
Apple Inc., Cupertino, CA (US);
Yang Tang, Santa Clara, CA (US);
Qiming Li, Beijing, CN;
Yushu Zhang, Beijing, CN;
Manasa Raghavan, Sunnyvale, CA (US);
Xiang Chen, Campbell, CA (US);
Huaning Niu, San Jose, CA (US);
Dawei Zhang, Saratoga, CA (US);
Hong He, San Jose, CA (US);
Haitong Sun, Cupertino, CA (US);
Jie Cui, San Jose, CA (US);
Apple Inc., Cupertino, CA (US);
Abstract
A user equipment (UE) is provided to select an uplink transmission beam to communicate with a base station in a secondary cell of a carrier aggregation (CA) scheme. The UE can communicate with a first base station in a primary cell (PCell), and receive a command from the wireless network to activate a physical uplink control channel (PUCCH) transmission to a second base station in a secondary cell (SCell). The second base station can be in a being-activated state. The UE can determine whether an uplink spatial relation configuration is provided to the UE, and determine whether the UE supports beam correspondence. Based on the determinations, the UE can select an uplink transmission beam for the PUCCH transmission to the second base station.