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23 results on '"Leinonen, Jouko"'

2. A study of inventories in Finnish manufacturing industry

Author

Leinonen, Jouko

Subjects
Manufacturing industry -- Logistics, Inventory control -- Research, Logistics -- Statistics, Corporations, Finnish -- Statistics, Business, Business, international, Engineering and manufacturing industries
Abstract

Trends affecting input, work-in-progress and output inventories in Finland's manufacturing sector during the period following the first oil crisis, that is, 1975-1991, was examined. Total inventory volume was found to have dropped by 32% during the period, with input, work-in-progress and ouput inventories falling by 44%, 41% and 12%, respectively. Production volume, meanwhile, rose by 2.2% yearly and by 53% during the period analyzed. These developments were attributed to high real interest rates and labor costs and the implementation of novel manufacturing, logistical and materials management philosophies.

Published
1994

3. MIMO MC-CDMA communications for future cellular systems

Author

Juntti, Markku, Vekhapera, Mikko, Leinonen, Jouko, Zaxian Li, Tujkovic, Djordje, Shigehiko Tsumaru, and Shinsuke Hara

Subjects
Network architecture, Code Division Multiple Access technology, Wireless technology, Technology application, Network architecture -- Evaluation, Mobile communication systems -- Technology application, Wireless communication systems -- Technology application, CDMA technology
Published
2005

4. Energy Efficient TransmissionTechniques for LTE

Author

Cardoso, Filipe, Petersson, Sven, Boldi, Mauro, Mizuta, Shinji, Dietl, Guido, Torrea-Duran, Rodolfo, Desset, Claude, Leinonen, Jouko, and Correia, Luís

Abstract

The goal of the European ICT ProjectEARTH is to enhance energy efficiency of cur-rent LTE cellular networks by 50 percent,enabling operators to provide more extensivecoverage, namely to less densely populatedareas, while ensuring high levels of efficiency,hence, reducing the carbon footprint. In order toachieve this objective, different strategies, at dif-ferent levels, are being addressed. Energy effi-cient transmission techniques for LTE, proposedwithin the framework of EARTH, are addressedand discussed, with an emphasis on beamform-ing and MIMO. It is concluded that the strategicobjective of EARTH is achievable. CombinedMIMO mode selection, resource allocation,scheduling and precoding strategies will allow anenergy consumption reduction of more than 50percent in macro-cells. A reduction in MIMOpower consumption of 91.7 percent (factor of12) can be achieved in pico-cells info:eu-repo/semantics/publishedVersion

Published
2013

5. New process improves properties

Author

Leinonen, Jouko I.

Subjects
Steel, Carbon steel, Metals -- Heat treatment
Abstract

Heat treatment produces very small ferrite grains in carbon and C-Mn steels, which can boost strength and toughness. Induction is the method of choice to provide the required rapid heating. […]

Published
1999

6. Energy efficient transmission techniques for LTE

Author

Cardoso, Filipe, primary, Petersson, Sven, additional, Boldi, Mauro, additional, Mizuta, Shinji, additional, Dietl, Guido, additional, Torrea-Duran, Rodolfo, additional, Desset, Claude, additional, Leinonen, Jouko, additional, and Correia, Luis, additional

Published
2013
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22. Steering Systems of Foreign Subsidiaries

Author

Ingård, Helge, Teknillinen korkeakoulu, Helsinki University of Technology, Konetekniikan osasto, Kaila, Martti M., Leinonen, Jouko, Ingård, Helge, Teknillinen korkeakoulu, Helsinki University of Technology, Konetekniikan osasto, Kaila, Martti M., and Leinonen, Jouko

Published
1993

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