	US 12,256,278 B2
	Bearer modification method and access network device
Yu Yin, Shanghai (CN); Caixia Qi, Shanghai (CN); and Zhenyu Tao, Shanghai (CN)
Assigned to HUAWEI TECHNOLOGIES CO., LTD., Shenzhen (CN)
Filed by Huawei Technologies Co., Ltd., Shenzhen (CN)
Filed on Nov. 12, 2021, as Appl. No. 17/525,206.
Application 17/525,206 is a continuation of application No. PCT/CN2020/090225, filed on May 14, 2020.
Claims priority of application No. 201910406656.6 (CN), filed on May 15, 2019.
Prior Publication US 2022/0078677 A1, Mar. 10, 2022
Int. Cl. H04W 36/06 (2009.01); H04W 36/08 (2009.01); H04W 60/00 (2009.01); H04W 88/06 (2009.01)

CPC H04W 36/06 (2013.01) [H04W 36/08 (2013.01); H04W 60/00 (2013.01); H04W 88/06 (2013.01)]

17 Claims

1. A bearer modification method, comprising:

performing at least one of:

determining, by an access network device, that a terminal device completes a complete registration procedure; or

determining, by an access network device, that the terminal device has not completed the complete registration procedure, and waiting for the terminal device to complete the complete registration procedure in response to determining that the terminal device has not completed the complete registration procedure; and

modifying, by the access network device, a radio access bearer of the terminal device after the access network device determines that the registration procedure of the terminal device is completed, wherein the modifying the radio access bearer comprises:

sending, by the access network device, a radio access bearer update indication message to a core network device, wherein the radio access bearer update indication message carries an Internet protocol (IP) address and a tunnel endpoint identifier (TEID) of an updated access network device, and wherein the updated access network device is the access network device or a second access network device; and

receiving, by the access network device, a radio access bearer update indication acknowledgment message from the core network device.