US 11,962,531 B2
Channel state information reference signal (CSI-RS) as part of discovery reference signal (DRS) configuration and indication for new radio-unlicensed (NR-U)
Bishwarup Mondal, San Ramon, CA (US); Yongjun Kwak, Portland, OR (US); Alexei Davydov, Nizhny Novgorod (RU); and Dae Won Lee, Portland, OR (US)
Assigned to Apple Inc., Cupertino, CA (US)
Appl. No. 17/434,443
Filed by Apple Inc., Cupertino, CA (US)
PCT Filed Mar. 27, 2020, PCT No. PCT/US2020/025364
§ 371(c)(1), (2) Date Aug. 27, 2021,
PCT Pub. No. WO2020/205573, PCT Pub. Date Oct. 8, 2020.
Claims priority of provisional application 62/826,949, filed on Mar. 29, 2019.
Prior Publication US 2022/0141065 A1, May 5, 2022
Int. Cl. H04L 5/00 (2006.01); H04L 27/26 (2006.01); H04B 7/06 (2006.01); H04W 16/14 (2009.01)
CPC H04L 5/005 (2013.01) [H04L 5/0051 (2013.01); H04L 5/0094 (2013.01); H04L 27/2613 (2013.01); H04B 7/0626 (2013.01); H04W 16/14 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A baseband processor, configured to perform operations comprising:
determining discovery reference signal (DRS) resources for use in carrying channel state information reference signals (CSI-RS);
generating CSI-RS configuration information that defines at least one CSI-RS using the DRS resources; and
instructing a transceiver to signal the CSI-RS configuration information to a user equipment (UE).