US 12,238,591 B2
UE assisted data forwarding in conditional handover
Ahmad Awada, Munich (DE); Guillaume Decarreau, Munich (DE); and Ingo Viering, Munich (DE)
Assigned to Nokia Solutions and Networks, Espoo (FI)
Appl. No. 17/597,736
Filed by Nokia Solutions and Networks Oy, Espoo (FI)
PCT Filed Jul. 30, 2019, PCT No. PCT/EP2019/070412
§ 371(c)(1), (2) Date Jan. 21, 2022,
PCT Pub. No. WO2021/018381, PCT Pub. Date Feb. 4, 2021.
Prior Publication US 2022/0322163 A1, Oct. 6, 2022
Int. Cl. H04W 36/00 (2009.01)
CPC H04W 36/0058 (2018.08) [H04W 36/0085 (2018.08)] 18 Claims
OG exemplary drawing
 
1. A method for use with a communication device, the method comprising:
receiving a handover command from one of a plurality of network cells which provides a communication service for the communication device,
creating measurement data upon receiving the handover command,
logging the measurement data and an end of the measurement after an execution condition to perform handover to another one of the plurality of network cells is fulfilled, and
transmitting the logged measurement data to the another one of the plurality of network cells,
wherein the logged measurement data comprises data related to a time instant where a conditional handover condition is fulfilled, comprising
an elapsed time, between reception of the handover command and the time instant of the execution condition of the conditional handover, is fulfilled; and
receiving a request to report logged measurement data from the another one of the plurality of network cells, which provides the communication service, upon transmitting an indication about availability of logged measurement data to the another one of the plurality of network cells, which provides the communication service.