MUMBAI, India, Sept. 22 -- Intellectual Property India has published a patent application (202647108588 A) filed by Nokia Technologies Oy on September 10, 2026, for On Uplink Based Switch Of Indicated Tci State In Unified Tci Framework.

Inventors include Hakola, Sami-Jukka; Koskela, Timo; and Karjalainen, Juha Pekka.

The application for the patent was published on September 18, 2026, under issue no. 38/2026.

Abstract: The present invention relates to a method and respective apparatus (as UE (710)) for performing the steps of transmitting (707) Sounding Reference Signal(s), SRS(s), to a base station (720); receiving (708) from the base station Sounding Reference Signal Indicator(s), SRI(s), in Uplink Downlink Control Information, UL DCI, wherein the SRI(s) indicate a newly indicated Uplink Transmission Configuration Indication, UL TCI, state for subsequent UL transmissions, wherein the UL DCI comprises an indication to determine whether the SRS indicated by the SRI or the downlink reference signals, DL RS, associated with the SRS is to be used as a new quasi colocation, QCL, source for uplink transmissions, the apparatus being further configured to determine the newly indicated UL TCI state based on the new QCL source; transmitting (709) to the base station a Physical Uplink Shared Channel, PUSCH, on the newly indicated UL TCI state indicated in a downlink Downlink Control Information, DL DCI; and applying (714) the newly indicated UL TCI state for subsequent UL transmissions based on the SRI and the indication.

Disclaimer: Curated by HT Syndication.