US 12,170,972 B2
Time synchronization in cellular communication networks
Troels Kolding, Klarup (DK); Kari Niemelä, Oulu (FI); Vladimir Vukadinovic, Wroclaw (PL); Stig Blücher Brink, Aalborg (DK); Amol Dhere, Gistrup (DK); Bent Henneberg Rysgaard, Aalborg (DK); Bo Holm Bjerrum, Nibe (DK); and Rafhael Medeiros De Amorim, Aalborg (DK)
Assigned to NOKIA TECHNOLOGIES OY, Espoo (FI)
Appl. No. 17/615,918
Filed by Nokia Technologies Oy, Espoo (FI)
PCT Filed Jun. 4, 2020, PCT No. PCT/EP2020/065469
§ 371(c)(1), (2) Date Dec. 2, 2021,
PCT Pub. No. WO2020/245262, PCT Pub. Date Dec. 10, 2020.
Claims priority of provisional application 62/857,841, filed on Jun. 6, 2019.
Prior Publication US 2022/0330181 A1, Oct. 13, 2022
Int. Cl. H04W 56/00 (2009.01); H04W 12/0431 (2021.01)
CPC H04W 56/001 (2013.01) [H04W 12/0431 (2021.01)] 20 Claims
OG exemplary drawing
 
1. An apparatus comprising at least one processor; and at least one memory including computer program code; the at least one memory and the computer program code configured to, with the at least one processor, cause the apparatus at least to:
embed information for time synchronization to a Synchronization Signal Block, SSB;
encrypt the SSB; and
transmit the encrypted SSB comprising the information for time synchronization in a cellular communication network.