Signalanalys med ATLAS
On Ericsson Ltd in Borås a wireless communication system called MINI-LINK? is produced. In order to sell their product with the best possible quality guaranty, there is a signal processing circuit called ATLAS implemented in the system. This circuit would eventually be useful in the production and for the repairs of the radio units. Our commission was to examine the possibility for this use. In order to read out various register in Atlas?s, a program which has these possibilities is needed and such program was already in use producing the units on which the ATLAS circuit is assembled.
??In the test which was done during readout of the registers that seemed relevant, it emerged that ATLAS does not give any information about the signals characteristic when it enters the modem unit, but first after all adjustments have been done. Because of this fact it seemed impossible to use ATLAS in some bigger extent as it works today, when it is fundamentally not done in order to be used as an instrument, in order to evaluate the property of signals coming from other units. The following question was about what could be done in a new generation and a thought was to scan existing internal control signals in order to receive more information about how much ATLAS is working to correct errors in the received signals.