MUMBAI, India, Aug. 17 -- Intellectual Property India has published a patent application (202644010174 A) filed by Nokia Technologies Oy on January 30, 2026, for Devices, Methods, Apparatuses And Media For Optimizing Operations Under Fdd-Sdl Carrier Aggregation.
Inventors include Tomi Kangasvieri; Bent Henneberg Rysgaard; Kim Nielsen; Petri Juhani Vasenkari; and Johannes Hejselbaek.
The application for the patent was published on August 14, 2026, under issue no. 33/2026.
Abstract: ABSTRACT DEVICES, METHODS, APPARATUSES AND MEDIA FOR OPTIMIZING OPERATIONS UNDER FDD-SDL CARRIER AGGREGATION Embodiments of the present disclosure relate optimizing operations under frequency division duplex-supplementary downlink (FDD-SDL) carrier aggregation (CA). In an aspect, a terminal device transmits capability information comprising first information indicating that the terminal device supports using two and three local oscillators under the FDD-SDL CA in which at least an FDD carrier and an SDL carrier are aggregated; and second information of two or more interruption time lengths supported by the terminal device for switching between two modes under the FDD-SDL CA. The two modes comprise a first and second mode in which there is respectively no downlink reception and downlink reception on the SDL carrier. The two or more interruption time lengths comprise a first interruption time length corresponding to the terminal device using two local oscillators and a second interruption time length corresponding to the terminal device using three local oscillators. (Fig. 2)
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