Method and apparatus for access control of UE through MBSR-UE in communication system
A method for access control of a UE ( 120 ) connecting through a Mobile base station relay (MBSR)-UE ( 122 ) in a wireless network ( 1000 ) by an IAB-Donor gNB ( 108 ). The method includes connecting the UE ( 120 ) to the IAB-Donor gNB ( 108 ) through a first MBSR-UE ( 122 ) to receive an emergency service in the wireless network. Further, the method includes determining that the first MBSR-UE ( 122 a ) is about to become unavailable to provide the emergency service to the UE ( 120 ) in the wireless network. Further, the method includes transmitting a handover request message to the UE ( 120 ) to perform an handover procedure to move the UE ( 120 ) to a NG-RAN node ( 104 ) before the first MBSR-UE ( 122 a ) becomes unavailable in the wireless network upon determining that the first MBSR-UE ( 122 a ) is about to become unavailable.
1 . A method performed by an integrated access and backhaul (IAB) donor node in a communication system, the method comprising:
receiving, from a mobile base station relay (MBSR), information indicating the MBSR is about to become unavailable to provide services;
identifying that the MBSR is about to become unavailable to provide the services; and
if the MBSR is about to become unavailable to provide the services when a user equipment (UE) is accessing an emergency service and being served by the MBSR, triggering a handover procedure.
2 . The method of claim 1 ,
wherein the MBSR operates as an IAB node.
3 . The method of claim 1 , further comprising:
identifying that a closed access group (CAG) identifier (ID) is expired or a timer is expired.
4 . The method of claim 1 ,
wherein the handover procedure is to handover a currently camped UE to another MBSR or another radio access network (RAN) node.
5 . A method performed by a mobile base station relay (MBSR) in a communication system, the method comprising:
identifying that the MBSR is about to become unavailable to provide services; and
transmitting, to an integrated access and backhaul (IAB) donor node, information indicating the MBSR is about to become unavailable to provide the services,
wherein, if the MBSR is about to become unavailable to provide the services when a user equipment (UE) is accessing an emergency service and being served by the MBSR, a handover procedure is performed.
6 . The method of claim 5 ,
wherein the MBSR operates as an IAB node.
7 . The method of claim 5 , further comprising:
identifying that a closed access group (CAG) identifier (ID) is expired or a timer is expired.
8 . The method of claim 5 ,
wherein the handover procedure is to handover a currently camped UE to another MBSR or another radio access network (RAN) node.
9 . An integrated access and backhaul (IAB) donor node in a communication system, the IAB donor node comprising:
a transceiver; and
at least one processor coupled with the transceiver and configured to:
receive, from a mobile base station relay (MBSR), information indicating the MBSR is about to become unavailable to provide services,
identify that the MBSR is about to become unavailable to provide the services, and
if the MBSR is about to become unavailable to provide the services when a user equipment (UE) is accessing an emergency service and being served by the MBSR, trigger a handover procedure.
10 . The IAB donor node of claim 9 ,
wherein the MBSR operates as an IAB node.
11 . The LAB donor node of claim 9 , wherein the at least one processor is further configured to:
identify that a closed access group (CAG) identifier (ID) is expired or a timer is expired.
12 . The IAB donor node of claim 9 ,
wherein the handover procedure is to handover a currently camped UE to another MBSR or another radio access network (RAN) node.
13 . A mobile base station relay (MBSR) in a communication system, the MBSR comprising:
a transceiver; and
at least one processor coupled with the transceiver and configured to:
identify that the MBSR is about to become unavailable to provide services, and
transmit, to an integrated access and backhaul (IAB) donor node, information indicating the MBSR is about to become unavailable to provide the services,
wherein, if the MBSR is about to become unavailable to provide the services when a user equipment (UE) is accessing an emergency service and being served by the MBSR, a handover procedure is performed.
14 . The MBSR of claim 13 , wherein the at least one processor is further configured to:
identify that a closed access group (CAG) identifier (ID) is expired or a timer is expired,
wherein the MBSR operates as an IAB node.
15 . The MBSR of claim 13 ,
wherein the handover procedure is to handover a currently camped UE to another MBSR or another radio access network (RAN) node.