US 11,895,542 B2
Reducing handover interruption with two transmitters and receivers
Ingo Viering, Munich (DE); Jedrzej Stanczak, Wroclaw (PL); Ahmad Awada, Munich (DE); and Tero Henttonen, Espoo (FI)
Assigned to Nokia Technologies Oy, Espoo (FI)
Appl. No. 17/281,098
Filed by Nokia Technologies Oy, Espoo (FI)
PCT Filed Oct. 10, 2019, PCT No. PCT/FI2019/050722
§ 371(c)(1), (2) Date Mar. 29, 2021,
PCT Pub. No. WO2020/089511, PCT Pub. Date May 7, 2020.
Claims priority of provisional application 62/754,474, filed on Nov. 1, 2018.
Prior Publication US 2021/0345196 A1, Nov. 4, 2021
Int. Cl. H04W 36/08 (2009.01); H04W 36/18 (2009.01); H04W 36/38 (2009.01); H04W 74/08 (2009.01); H04W 36/00 (2009.01)
CPC H04W 36/0077 (2013.01) [H04W 36/0058 (2018.08); H04W 36/08 (2013.01); H04W 36/18 (2013.01); H04W 74/0833 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A method, comprising:
receiving, by a user equipment having a first transceiver and a second transceiver, a handover command from a source base station;
after receiving the handover command, performing, by the user equipment, a random access channel access operation in which configuration information is shared between the user equipment and a target base station using the second transceiver, the random access channel access operation being performed while the user equipment exchanges data packets with the source base station using the first transceiver; and
after completing the performing of the random access channel access operation, receiving, by the user equipment, a handover resume message from the source base station.