US 12,144,030 B2
Sharing of physical random channel resources among different radio access technologies
Karl Mann, Ottawa (CA); Carl Cao, San Jose, CA (US); Gary Boudreau, Kanata (CA); Ali Afana, Kanata (CA); and Ramy Atawia, Kanata (CA)
Assigned to TELEFONAKTIEBOLAGET LM ERICSSON (PUBL), Stockholm (SE)
Appl. No. 17/765,971
Filed by Telefonaktiebolaget LM Ericsson (publ), Stockholm (SE)
PCT Filed Oct. 2, 2020, PCT No. PCT/IB2020/059282
§ 371(c)(1), (2) Date Apr. 1, 2022,
PCT Pub. No. WO2021/064683, PCT Pub. Date Apr. 8, 2021.
Claims priority of provisional application 62/909,879, filed on Oct. 3, 2019.
Prior Publication US 2022/0377804 A1, Nov. 24, 2022
Int. Cl. H04W 74/0833 (2024.01); H04W 16/14 (2009.01); H04W 74/08 (2024.01)
CPC H04W 74/0833 (2013.01) [H04W 16/14 (2013.01); H04W 74/0866 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A method for a network node in a communication network, the method comprising:
receiving a physical random access channel, PRACH, signal from a wireless device;
correlating the PRACH signal with one of at least two orthogonal sequences from a common set of sequences shared among a first radio access technology, RAT, and a second RAT, the common set of sequences being partitioned based at least on a ratio of bandwidth parts, BWPs, associated with second RAT wireless devices to a total bandwidth of shared spectrum; and
determining whether the wireless device is operating according to one of the first RAT and the second RAT based at least in part on the correlation.