Telefonaktiebolaget Lm Ericsson (publ)

Per Lars Paul Ingelhag

Bengt Erik Jonsson

Described is an apparatus for suppressing spurious spectral lines in a frame based bit-serial data stream, in which frames include payload data and frame markers. The apparatus includes means () for randomizing first frame marker elements (START) in a first position within each frame and means () for correlating second frame marker elements (STOP) in a second position within each frame with the randomized first frame marker element.

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Alingsas, Sweden

Per Lars Paul Ingelhag