US 11,902,063 B2
PDCCH DMRS mapping and coreset resource allocation
Yiju Liao, Hsinchu (TW); Chien Hwa Hwang, Hsinchu (TW); and Chien-Chang Li, Hsinchu (TW)
Assigned to MEDIATEK INC., Hsin-Chu (TW)
Filed by Mediatek Inc., Hsin-Chu (TW)
Filed on May 19, 2021, as Appl. No. 17/324,397.
Application 17/324,397 is a division of application No. 16/191,640, filed on Nov. 15, 2018, granted, now 11,018,910.
Claims priority of provisional application 62/587,610, filed on Nov. 17, 2017.
Prior Publication US 2021/0273835 A1, Sep. 2, 2021
Int. Cl. H04L 27/14 (2006.01); H04L 5/00 (2006.01); H04W 76/27 (2018.01); H04L 25/02 (2006.01); H04W 80/02 (2009.01)
CPC H04L 27/14 (2013.01) [H04L 5/0048 (2013.01); H04L 5/0051 (2013.01); H04L 5/0053 (2013.01); H04L 5/0094 (2013.01); H04L 25/0202 (2013.01); H04W 76/27 (2018.02); H04L 5/001 (2013.01); H04L 5/0007 (2013.01); H04W 80/02 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A method of wireless communication of a user equipment (UE), comprising:
determining a first physical down link control channel (PDCCH) resource candidate in a first control resource set (CORESET) on a carrier, the first PDCCH resource candidate including a first set of resource blocks (RBs);
determining a first sequence of Demodulation Reference Signals (DMRSs) that are mapped, starting at a reference point, to RBs in a predetermined range within the carrier in a frequency domain, the predetermined range containing the first PDCCH resource candidate in the frequency domain;
determining, with reference to the reference point in the frequency domain, a first reference location of the first set of RBs;
determining, based on the first reference location, a first set of DMRSs from the first sequence of DMRSs, the first set of DMRSs being mapped to the first set of RBs;
obtaining a channel estimation based on the first set of DMRSs; and
performing blind decoding of the first PDCCH resource candidate based on the channel estimation.