REESTABLISHING CONTROL OF USER EQUIPMENT IN CASE OF LINK FAILURE BETWEEN CONTROL UNITS WITH PACKET SWITCHING AND CHANNEL SWITCHING Russian patent published in 2017 - IPC H04W36/00 

FIELD: radio engineering, communication.

SUBSTANCE: communication service is provided to the UE by the serving MME and the serving MSC in the communication system. Upon detection of the failure of communication links providing the communication between the serving MME and the serving MSC, another MME and/or MSC is identified within the network which has fully functional communication links with the serving MSC and/or the serving MME and it is set as a relay MME and/or a relay MSC.

EFFECT: providing redundancy for establishing reconnection in case of problems with the original reconnection mechanism.

31 cl, 9 dwg