Murphy, Bilak & Homiller, PLLC
Efficient spatial relation indication for physical uplink control channel (PUCCH) resources
Exemplary embodiments include methods for a network node to receive PUCCH transmissions by a user equipment (UE). Embodiments include sending, to the UE, a control message comprising: 1) identification of a first spatial relation of a plurality of spatial relations configured for the UE, wherein the plurality of spatial relations are associated with one or more reference signals (RS) transmitted by the network node or by the UE; and 2) an indication of whether the first spatial relation applies to a single PUCCH resource or at least one group of PUCCH resources configured for the UE. Embodiments also include receiving, from the UE, a PUCCH message transmitted according to the first spatial relation using a PUCCH resource, configured for the UE, to which the first spatial relation applies. Embodiments also include complementary methods performed by a UE, as well as network nodes and UEs configured to perform such methods.
Telefonaktiebolaget LM Ericsson (publ)
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Stephen Siva Sebastian Claes Mattias
Grant Muruganathan Faxér Tidestav Frenne