Telefonaktiebolaget Lm Ericsson (publ)

Johnny Larsson

Anders K Eriksson

Ulf Peter Hansson

A buffering technique handles dynamic and static phase deviations between signals from at least two redundant planes. Dynamic phase deviations between planes are handled in a first buffer and static phase deviations between planes are handled in a second buffer. A register arrangement is provided in which is stored information relating to a first difference between read and write pointers for a plane of the second buffer, and information relating to the current difference between the read and write pointers of the same plane in the static buffer is stored after a reload operation. The first and current differences are compared to provide a control signal which is used for the next reload operation in the dynamic buffer which is controlled by the control signal to avoid end of buffer in the second buffer if the difference between the first and the current differences exceeds a given number of positions.

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Farsta, Sweden

Johnny Larsson