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:
Apr. 08, 2025
Filed:
Oct. 12, 2020
Apple Inc., Cupertino, CA (US);
Haitong Sun, Irvine, CA (US);
Yushu Zhang, Beijing, CN;
Huaning Niu, San Jose, CA (US);
Hong He, Cupertino, CA (US);
Wei Zeng, San Diego, CA (US);
Chunxuan Ye, San Diego, CA (US);
Oghenekome Oteri, San Diego, CA (US);
Sigen Ye, Whitehouse Station, NJ (US);
Dawei Zhang, Saratoga, CA (US);
Chunhai Yao, Beijing, CN;
Jie Cui, San Jose, CA (US);
Yang Tang, Cupertino, CA (US);
Apple Inc., Cupertino, CA (US);
Abstract
A cellular base station (BS) which transmits more flexible downlink control information (DCI) to the UE, and a UE capable of receiving and processing a received DCI message. The DCI message may have a DCI format of 0_1 or 0_2 and further may comprise an UL-SCH set to 0, a CSI request field of all 0s and an SRS request field having a nonzero value. The DCI message may indicate to the UE that the UE should: 1) transmit an aperiodic SRS corresponding to SRS request; and 2) that the UE should not transmit on the PUSCH. The DCI may include existing fields that specify either a slot offset or beam information useable when transmitting the aperiodic SRS. The base station may also generate a DCI message with an SRS trigger that is targeted to a plurality of UEs in a group, or a plurality of groups of UEs, for greater efficiency.