Patent ID: 11936460
Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
Field: Telecommunications (Electrical engineering)
Classification: CPC H  Y | IPC H

Claim 0:
1. A method for a user equipment (UE) to receive one or more physical downlink control channels (PDCCHs) from a radio access network (RAN) using a selectable number of available antennas and receive chains, the method comprising:
receiving, from a RAN node, a PDCCH configuration;
selecting a number of antennas and receive chains to be activated for receiving PDCCH from the RAN node, based on one or more of the following included in the PDCCH configuration:
a search space comprising a plurality of PDCCH candidates;
a format of downlink control information (DCI) messages transmitted on the PDCCH; and
at least one slot offset between a PDCCH transmission and a subsequent transmission of a physical downlink shared channel (PDSCH); and

receiving, from the RAN node, one or more PDCCHs using the selected number of antennas and receive chains.