US 12,382,503 B2
Balancing RA resources between 2-step RACH and 4-step RACH
Marco Belleschi, Solna (SE); Luca Lunardi, Genoa (IT); Pablo Soldati, Solna (SE); Ali Parichehrehteroujeni, Linköping (SE); Johan Rune, Lidingö (SE); Angelo Centonza, Torrenueva Costa (ES); and Pradeepa Ramachandra, Linköping (SE)
Assigned to Telefonaktiebolaget LM Ericsson (publ), Stockholm (SE)
Appl. No. 17/922,091
Filed by Telefonaktiebolaget LM Ericsson (publ), Stockholm (SE)
PCT Filed Apr. 29, 2021, PCT No. PCT/SE2021/050398
§ 371(c)(1), (2) Date Oct. 28, 2022,
PCT Pub. No. WO2021/221557, PCT Pub. Date Nov. 4, 2021.
Claims priority of provisional application 63/017,957, filed on Apr. 30, 2020.
Prior Publication US 2023/0171810 A1, Jun. 1, 2023
Int. Cl. H04W 74/0833 (2024.01)
CPC H04W 74/0833 (2013.01) 17 Claims
OG exemplary drawing
 
1. A method performed by a first network node for Random Access Channel, RACH, configuration, the method comprising:
obtaining information related to 2-step RACH, 4-step RACH, or both 2-step RACH and 4-step RACH, for one or more cells controlled by the first network node, one or more beams controlled by the first network node, or both one or more cells and one or more beams controlled by the first network node;
determining, based on the obtained information, first assistance information for 2-step RACH configuration, 4-step RACH configuration, or both the 2-step RACH configuration and the 4-step RACH configuration, for the one or more cells controlled by the first network node, the one or more beams controlled by the first network node, or both the one or more cells and the one or more beams controlled by the first network node; and
transmitting, to a second network node, second assistance information for the 2-step RACH configuration, the 4-step RACH configuration, or both the 2-step RACH configuration and the 4-step RACH configuration, for the one or more cells controlled by the first network node, the one or more beams controlled by the first network node, or both the one or more cells and the one or more beams controlled by the first network node;
wherein the second assistance information comprises the first assistance information or information that indicates one or more parts of the first assistance information.