Nokia Networks Oy

Marimils Oy

Maricare Oy

Antti Ropponen

Otso Auterinen

Kai Kronström

The invention relates to a digital radio system and to a method for correcting a synchronization error in a digital radio system comprising at least one base station ( ) communicating with terminals ( ) in its coverage area, and a mobile telephone exchange ( ) communicating with the base station and controlling the operation of the base stations. The information to be transmitted is coded and decoded in a transcoder unit ( ) into a form suitable for the transmission. The base station sends information frames to the transcoder at a certain pace, and, correspondingly, the transcoder sends information frames to the base station at a certain pace. To ensure easy transmission of information and to increase flexibility, the base station ( ) indicates in an information frame sent to the transcoder ( ) the synchronization error present in the information frames coming from the transcoder, and the transcoder corrects its synchronization after receiving said message.

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Oulu, Finland

Antti Ropponen