US 11,057,808 B2
Method and device for managing Pcell or PScell
Dajun Zhang, Beijing (CN)
Assigned to China Academy of Telecommunications Technology, Beijing (CN)
Appl. No. 16/764,422
Filed by China Academy of Telecommunications Technology, Beijing (CN)
PCT Filed Oct. 17, 2018, PCT No. PCT/CN2018/110705
§ 371(c)(1), (2) Date May 15, 2020,
PCT Pub. No. WO2019/095922, PCT Pub. Date May 23, 2019.
Claims priority of application No. 201711133093.5 (CN), filed on Nov. 15, 2017.
Prior Publication US 2020/0359287 A1, Nov. 12, 2020
Int. Cl. H04W 36/08 (2009.01); H04W 76/15 (2018.01); H04W 76/27 (2018.01); H04W 36/00 (2009.01); H04W 24/10 (2009.01); H04W 36/30 (2009.01); H04W 72/04 (2009.01)
CPC H04W 36/08 (2013.01) [H04W 24/10 (2013.01); H04W 36/0069 (2018.08); H04W 36/30 (2013.01); H04W 72/0413 (2013.01); H04W 76/15 (2018.02); H04W 76/27 (2018.02)] 20 Claims
OG exemplary drawing
 
1. A method for managing a primary cell, Pcell, or a primary secondary cell, PScell, comprising:
determining, by a central unit, CU, the Pcell or the PScell of a User Equipment, UE; and
transmitting, by the CU, based on determining the Pcell or the PScell of the UE, a PCell/PScell change message to a distributed unit, DU, wherein the PCell/PScell change message comprises an identifier of a cell which needs to be switched to the Pcell or the PScell, and the CU and the DU jointly serve the UE.