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:
Dec. 31, 2024
Filed:
Sep. 28, 2023
Apple Inc., Cupertino, CA (US);
Haitong Sun, Cupertino, CA (US);
Chunhai Yao, Beijing, CN;
Dawei Zhang, Saratoga, CA (US);
Hong He, San Jose, CA (US);
Seyed Ali Akbar Fakoorian, San Diego, CA (US);
Wei Zeng, Saratoga, CA (US);
Weidong Yang, San Diego, CA (US);
Yushu Zhang, Beijing, CN;
APPLE INC., Cupertino, CA (US);
Abstract
Apparatus and methods are provided for port selection codebook configuration. A user equipment (UE) may decode a channel state information (CSI) report configuration (CSI-ReportConfig) from a base station. The CSI-ReportConfig configuring a port selection codebook comprising a port selection matrix W, a combinational coefficient matrix W, and a frequency basis selection matrix W. Based on the CSI-ReportConfig, the determines, for the port selection matrix W, up to L CSI reference signal (CSI-RS) ports out of P CSI-RS ports configured for measuring and reporting CSI. For the frequency basis selection matrix W, the UE determines up to Mv frequency basis out of N frequency basis. For the combinational coefficient matrix W, the UE determines up to L*Mv entries per layer. The UE reports one or more of the port selection matrix W, the combinational coefficient matrix W, and the frequency basis selection matrix Wto the base station.