R
Risto Lehtinen
Researcher at Nokia
Publications - 11
Citations - 279
Risto Lehtinen is an academic researcher from Nokia. The author has contributed to research in topics: Communications system & Signal. The author has an hindex of 6, co-authored 10 publications receiving 271 citations. Previous affiliations of Risto Lehtinen include Nokia Networks.
Papers
More filters
Patent
Multimedia terminal and method for realising multimedia reception
TL;DR: In this paper, the authors describe a system where the multimedia information is loaded dynamically, and keys needed to descramble scrambled transmissions are delivered to the user via a bidirectional communications system.
Patent
Mobile communication devices
Pekka Heinonen,Jari Vainikka,Sakari Kangas,Johan Idman,Risto Lehtinen,Harri Okkonen,Ilkka Tuomi,Kari Kurronen,Jussi Rajala +8 more
TL;DR: In this paper, a method for eliminating the disturbance caused by a mobile station (MS) situated within a certain area is proposed, where the mobile station is provided with control means for the muting of the MS as a response to a predetermined message (S 1 ) transmitted to the mobile stations, and transmitting means (BTS) are arranged in said certain area 1 for the transmitting of said predetermined message to a mobile stations situated in the area 1 in order to mute the MS.
Patent
Method and system for eliminating the disturbance caused by mobile communication devices
Pekka Heinonen,Johan Idman,Sakari Kangas,Kari Kurronen,Risto Lehtinen,Harri Okkonen,Jussi Rajala,Ilkka Tuomi,Jari Vainikka +8 more
TL;DR: In this paper, a method for eliminating the disturbance caused by a mobile station (MS) situated within a certain area (1) is proposed. But the method is not suitable for the case where the mobile station is located in a static environment.
Patent
Data transmission method, base station and transmitter for compensating for non-linearities in a transmission chain
Miia Karjalainen,Samu Saarinen,Kauko Heinikoski,Teemu Tolonen,Juha Ylinen,Jani Suonperä,Risto Lehtinen +6 more
TL;DR: In this paper, a transmitter includes a first forming device for forming, on the basis of a set of signal properties, at least one state expansion vector comprising quantities characterizing a signal.
Journal ArticleDOI
Supporting Production Planning by Production Process Simulation
TL;DR: In this article, an interactive production planning system for electronic industry is described, where the user can reconsider the allocation and sequencing of the batches and repeat the simulation and update operations to find a better balancing of the workload.