COMMUNICATION SYSTEM Russian patent published in 2018 - IPC H04W76/00 

FIELD: wireless communication equipment.

SUBSTANCE: invention relates to wireless communication system. Communication method for a wireless access network node of a wireless communication system comprises steps of: receiving, from the communication device, a first message for establishing a communication connection; sending a first message to a first core network node; receiving from the first core network node a second message including information identifying a group from at least one core network node; selecting a second core network node based on the second message; and sending a third message including the first message to the second core network node, and wherein the third message includes information indicating that the first message should not be redirected.

EFFECT: technical result is ensuring that unnecessary redirection of access grant messages is prevented.

15 cl, 6 dwg