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Pekka Rissanen

Nokia

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Publication

Featured researches published by Pekka Rissanen.

Archive | 2002

Transmission of voice over IP in wireless telecommunications system

Jaakko Sundquist; Peeter Pruuden; Pekka Rissanen; Jani Ekman

Archive | 2000

Handover of a mobile station from an internal cellular communication system to an external cellular communication system

Hannu Honkala; Timo Hänninen; Roy Mickos; Kai Närvänen; Markku Rautiola; Pekka Rissanen; Tapio Siik; Petri Uosukainen

Archive | 2004

System and method for allowing subscribers to make internal calls while roaming to other networks

Raili Numminen; Pekka Rissanen; Kai Närvänen

Archive | 2000

Method and arrangement for controlling calls in a hybrid cellular telecommunication system

Timo Hänninen; Markku Rautiola; Tapio Siik; Petri Uosukainen; Hannu Honkala; Pekka Rissanen; Kai Närvänen; Roy Mickos; Jukka Liimatainen

Archive | 1988

Method and a device for the manufacturing of an optical coupler

Awnashilal Barkharam Sharma; Ari Virekunnas; Pekka Rissanen

Archive | 2000

Handover in a communication system

Hannu Honkala; Timo Hänninen; Roy Mickos; Kai Närvänen; Markku Rautiola; Pekka Rissanen; Tapio Siik; Petri Uosukainen

Archive | 2000

Method and device for carrying out security procedures involving mobile stations in hybrid cellular telecommunication systems

Hannu Honkala; Markku Rautiola; Tapio Siik; Petri Uosukainen; Kai Närvänen; Pekka Rissanen; Timo Hänninen; Roy Mickos

Archive | 2000

Network frequency setting

Janne Kallio; Tero Rantala; Markku Rautiola; Pekka Rissanen; Kari Tuovinen; Jan Parkkinen; Alexander Esser; Philip Wesby

Archive | 2000

A COMMUNICATIONS SYSTEM WITH INTERSYSTEM LOCATION MANAGEMENT

Roy Mickos; Pekka Rissanen; Peeter Pruuden

Archive | 2001

Protocole de transmission de la voix par internet dans un systeme de telecommunication sans fil

Jaakko Sundquist; Peeter Pruuden; Pekka Rissanen; Jani Ekman

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Collaboration

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Markku Rautiola

Nokia

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Roy Mickos

Nokia

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Ari Virekunnas

Nokia

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Awnashilal Barkharam Sharma

Nokia

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Hannu Honkala

Nokia

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Kai Närvänen

Nokia

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Peeter Pruuden

Nokia

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Petri Uosukainen

Nokia

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Tapio Siik

Nokia Networks

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Timo Hänninen

Nokia Networks

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