https://trepo.tuni.fi:443 Trepo on Tampereen yliopiston avoin julkaisuarkisto. Sun, 12 Apr 2026 00:28:47 GMT 2026-04-12T00:28:47Z https://trepo.tuni.fi:443/handle/10024/235725 The Future’s Language in the Age of Ubiquitous Play Harviainen, J. Tuomas; Masek, Leland; Stenros, Jaakko Wed, 01 Jan 2025 00:00:00 GMT https://trepo.tuni.fi:443/handle/10024/235725 2025-01-01T00:00:00Z https://trepo.tuni.fi:443/handle/10024/235724 Near-Field RIS-Aided Localization Under Deliberate Model Misspecification: Bounds and Algorithms Sun, Bo; Keskin, Musa Furkan; Pourafzal, Alireza; Chen, Hui; Rahal, Moustafa; Talvitie, Jukka; Wymeersch, Henk; Valkama, Mikko This paper investigates the optimization of reconfigurable intelligent surfaces (RIS) for near-field user equipment (UE) localization in the presence of channel spatial non-stationarity (SNS) across elements and the involved deliberate model misspecification. Traditional far-field localization techniques struggle to maintain accuracy in near-field scenarios characterized by spherical wavefronts (SWFs) while algorithms relying on a full-fledged near-field model with SNS and SWF necessitate long transmission durations to estimate a large number of parameters. To address these challenges, we propose a novel low-complexity localization algorithm based on a misspecified model that reduces the number of unknown channel parameters with limited impact on accuracy. A misspecified Cramér-Rao bound (MCRB) analysis is also performed to evaluate theoretical performance degradation due to the involved model misspecification. Additionally, we propose a codebook design that leverages coarse UE location information to enhance localization accuracy. Numerical simulations validate the effectiveness of the proposed estimation method and highlight the advantages of using the proposed codebook. Thu, 01 Jan 2026 00:00:00 GMT https://trepo.tuni.fi:443/handle/10024/235724 2026-01-01T00:00:00Z https://trepo.tuni.fi:443/handle/10024/235723 Futures thinking in market-shaping research: Developing an onto-epistemological foundation and analytical framework Halinen, Aino; Kaartemo, Valtteri; Tapio, Petri Although market‑shaping research is inherently future‑oriented, it has paid limited attention to how actors envision future markets. Companies’ visions are assumed to drive market‑shaping efforts, yet how these visions are constructed and evolve remains underexplored. Two fundamental weaknesses account for this omission. First, the ontological and epistemological assumptions of market-shaping research are inconsistent. Second, the mental models that market-shaping actors form about future markets have largely been neglected. To address these shortcomings, this study proposes systematic incorporation of futures thinking into market-shaping research. Drawing on futures research, it develops an onto‑epistemological foundation for future-oriented market-shaping studies and introduces an analytical framework for examining actors’ mental models of how markets could or should be developed. The paper concludes with a research agenda encouraging empirical inquiry into how market actors anticipate and respond to uncertainties and cultivate alternative views beyond singular, deterministic visions. Fri, 01 May 2026 00:00:00 GMT https://trepo.tuni.fi:443/handle/10024/235723 2026-05-01T00:00:00Z https://trepo.tuni.fi:443/handle/10024/235722 Tapausopetus siltana ammatillisen koulutuksen ja työelämän välillä Nokelainen, Petri; Puhakka, Ilmari; Lehtonen, Eija Fri, 27 Mar 2026 00:00:00 GMT https://trepo.tuni.fi:443/handle/10024/235722 2026-03-27T00:00:00Z