"Hallio, Juhani" - Selaus tekijän mukaan Julkaisut
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Field Measurements to Study the Co-Existence of Geographically Limited Local Industrial Mobile TDD Networks
Ekman, Reijo; Talmola, Pekka; Kalliovaara, Juha; Hallio, Juhani; Hyvarinen, Petri; Lakner, Tibor; Jokela, Tero; Paavola, Jarkko; Himmanen, Heidi (IEEE Xplore, 2022)Use of 4G and 5G technologies for local industrial networks has become feasible in recent years. This paper studies the co-existence of two geographically limited adjacent Time Division Duplex (TDD) local networks through ... -
Measurements to Study the Coexistence of Private LTE TDD Networks in 2.3 GHz Band
Ekman, Reijo; Talmola, Pekka; Kalliovaara, Juha; Hallio, Juhani; Hyvarinen, Petri; Lakner, Tibor; Jokela, Tero; Paavola, Jarkko; Himmanen, Heidi (IEEE, 2021)Private wireless networks have recently gained interest in many business applications. Use of 4G and 5G technologies for private network deployments has become feasible recently. Finnish Transport and Communications Agency ... -
Rapidly deployable network system for critical communications in remote locations
Hallio, Juhani; Savunen, Tapio; Rantanen, Heikki; Ekman, Reijo; Kalliovaara, Juha; Lakner, Tibor; Auranen, Jani; Jokela, Tero; Paavola, Jarkko; Kokkinen, Heikki; Arajärvi, Antti (Institute of Electrical and Electronic Engineers, 2020)This paper presents a transportable and rapidly deployable network system, which can be used to provide local voice, video and data connectivity for critical communications in remote locations and Internet connectivity ... -
Trial of Spectrum Sharing in 2.3GHz Band for Two Types of PMSE Equipment and Mobile Network
Jokela, Tero; Kokkinen, Heikki; Kalliovaara, Juha; Ojaniemi, Jaakko; Kivinen, Arto; Lakner, Tibor; Hallio, Juhani; Paavola, Jarkko (Institute of Electrical and Electronic Engineers, 2018)This paper presents a trial on sharing spectrum between different actors in a flexible manner in 2.3 GHz band. Trial demonstrates a flexible use of shared spectrum providing means for the broadcasters and other Programme ... -
Trials of 60 GHz radio for a future 5G New Radio (NR) solution for high capacity CCTV offload and multimedia transfer
Ekman, Reijo; Väre, Jani; Jokela, Tero; Auranen, Jani; Hallio, Juhani; Kalliovaara, Juha; Talmola, Pekka; Paavola, Jarkko; Ritakallio, Ilkka (Institute of Electrical and Electronic Engineers, 2020)This paper studies the radio interface performance of a 60 GHz radio in both indoor and outdoor conditions. The target is to assess its suitability for resolving emerging needs in the public transport, especially, in rail ... -
Use of wireless communication networks in digitalization of factory environments
Rautava, Tuomo; Paavola, Jarkko; Hallio, Juhani; Kalliovaara, Juha; Jokela, Tero (Universitat Politècnica València, 2019)Wireless communications are rapidly taking an important role in factory environment. The current Wi-Fi technologies struggle to meet the requirements of industrial factories, for example with regard to latency and security. ...





