US 11,855,725 B2
Resource elements for physical downlink channel and aperiodic interference measurement
Sebastian Faxér, Järfälla (SE); Shiwei Gao, Nepean (CA); and Siva Muruganathan, Stittsville (CA)
Assigned to Telefonaktiebolaget LM Ericsson (publ), Stockholm (SE)
Appl. No. 16/960,667
Filed by Telefonaktiebolaget LM Ericsson (publ), Stockholm (SE)
PCT Filed Dec. 21, 2018, PCT No. PCT/EP2018/086778
§ 371(c)(1), (2) Date Jul. 8, 2020,
PCT Pub. No. WO2019/137811, PCT Pub. Date Jul. 18, 2019.
Claims priority of provisional application 62/616,913, filed on Jan. 12, 2018.
Prior Publication US 2020/0389218 A1, Dec. 10, 2020
Int. Cl. H04B 7/06 (2006.01); H04B 17/336 (2015.01); H04L 1/00 (2006.01); H04L 5/00 (2006.01); H04L 25/03 (2006.01); H04W 24/10 (2009.01); H04W 72/23 (2023.01)
CPC H04B 7/0626 (2013.01) [H04B 17/336 (2015.01); H04L 1/0013 (2013.01); H04L 5/0051 (2013.01); H04L 25/03343 (2013.01); H04W 24/10 (2013.01); H04W 72/23 (2023.01); H04L 2025/03426 (2013.01)] 21 Claims
OG exemplary drawing
 
1. A method performed by a wireless device of receiving, from a network node, a physical downlink channel, the method comprising:
receiving, from the network node, a first Downlink Control Information (DCI) scheduling the physical downlink channel on a first plurality of Resource Elements (REs);
receiving, from the network node, a second DCI scheduling an aperiodic interference measurement resource on a second plurality of REs in the downlink for interference measurement;
wherein the second DCI comprises a request field, and wherein the first plurality of REs includes at least a subset of the second plurality of REs, and a subset of the second plurality of REs overlaps with some portion of the first plurality of REs; and
responsive to the request field, receiving, from the network node, the physical downlink channel on a third plurality of REs when the request field indicates a triggering of an Aperiodic Zero Power Channel State Information Reference Signal (A-ZP CSI-RS) resource, said third plurality of REs comprising the first plurality of REs excluding the subset of the second plurality of REs.