According to a renowned leaker, Samsung has set the pre-order and launch dates of the Galaxy S22 series. If correct, then an early February announcement for the Galaxy S22, Galaxy S22 Plus and Galaxy S22 Ultra seems likely.
https://www.notebookcheck.net/Leaker-reveals-Galaxy-Unpacked-pre-order-and-launch-dates-for-the-Samsung-Galaxy-S22-Galaxy-S22-Plus-and-Galaxy-S22-Ultra.577577.0.html