*Call for Paper Submission* *The Fifteenth International Conference on Indoor Positioning and Indoor Navigation **(IPIN 2025)* 15th -18th September 2025 | Tampere (Finland) The fifteenth edition of the International Conference on Indoor Positioning and Indoor Navigation (IPIN 2025) is taking place in Tampere Hall, Yliopistonkatu 55, Tampere, Finland. IPIN2025 will be organized by Tampere University, in full in-person mode. *Due to numerous requests, the deadline has been extended 3 weeks*. *The new IPIN 2025 Paper Submission Deadline 12 May 2025 (AoE) [Hard Deadline]* Location information of devices in indoor environments has become a key issue for many emerging applications. IPIN, as one of the most prestigious forums in the area of indoor positioning and indoor navigation, brings together leading experts in electronics, surveying, and informatics, facilitating discussions, collaborations, and new technologies. Interested topics include but are not limited to: - AI-assisted localization (snapshot vs. recurrent) and sensor fusion (deep Kalman filter) - Location awareness & context detection - Augmented Reality & Virtual Reality applied to localization - Benchmarking, assessment, evaluation, and standards - Data simulation & augmentation for AI-based systems - Health & wellness applications - Indoor maps, indoor geospatial data model, indoor mobile mapping & 3D building models - Location-based services & applications - Monitoring & modeling of human motion - Indoor positioning, navigation & tracking methods - Privacy & security for ILS - Satellite-based navigation - Smartphone-based positioning - User requirements for location-based systems - Wearable-based systems Four Special Sessions have been accepted, which focus on the following topics: - Advanced Autonomous Navigation Technology using Heterogenous Sensors under Signal-denied Scenarios <https://ipin-conference.org/2025/docs/IPIN2025_SpecialSession_AANT.pdf> - Machine Learning for Localization and Navigation <https://ipin-conference.org/2025/docs/IPIN2025_SpecialSession_ML.pdf> - Reproducible Research, with Open Data and Code, Plus an Extra Touch of Care <https://ipin-conference.org/2025/docs/IPIN2025_SpecialSession_ORD.pdf> - Seamless Positioning, Navigation, and Timing with GNSS, LEO, and Sensors Integration <https://ipin-conference.org/2025/docs/IPIN2025_SpecialSession_GNSSLEO.pdf> Accepted regular papers will be submitted to IEEE Xplore Digital Library. For details, please refer to <http://goog_1136525186/> https://ipin-conference.org/2025/cfp_callforpapers.html *Important Dates for IPIN 2025* Regular Paper Submission: 21 April 2025 Regular Paper Acceptance Notification: 16 June 2025 Conference Dates: 15-18 September 2025 Please find more details at https://ipin-conference.org/2025/ or contact ipin2025(a)lists.tuni.fi Looking forward to meeting you at IPIN2025 in Tampere! The Fifteenth International Conference on Indoor Positioning and Indoor Navigation (IPIN 2025)