Telefonaktiebolaget Lm Ericsson (Publ)

Peter Erlandsson

Ying Sun

Christian Skärby

Björn Nordström

Magnus Persson

Dániel Pelyhe

Embodiments herein relate to a method performed by a first transmission point () out of at least two transmission points for estimating a channel quality gain of a wireless device () served by the first transmission point () in a wireless communication network (). The first transmission point () coordinates transmissions with a second transmission point () out of the at least two transmission points in the wireless communication network (). The first transmission point estimates the channel quality gain based on whether a first cell specific reference signal, CRS, configuration of the first transmission point () is using radio resources for a first CRS that are colliding or not with radio resources used for a second CRS of a second CRS configuration of the second transmission point () in the wireless communication network (), and a utilization of frequency resources by the second transmission point ().

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Solna, Sweden

Peter Erlandsson