Abstract
Method and apparatus in a cellular wireless communication system are provided. A mobile station is handed over from a first network control node to a second network control node. A second network control node transmits a mobile identity indicator embedded in a handover report message to the first network control node after the successful handover. The transmitting is triggered by an occurrence of a handover failure or a radio link failure for the mobile station while the mobile station is connected to the second network control node. The first network control node receives the mobile identity indicator and identifies the mobile station using the mobile identity indicator.
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| 5G | 14/06/2020 | ISLD-202006-022 | HUAWEI |
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Specification Information
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Technologies
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Technologies
Resource configuration
Product
Use Cases
Wireless communication
Services
Claim
1. A second network control node comprising:
a processor; and
a non-transitory computer-readable storage medium storing a program to be executed by the processor, the program including instructions for:
receiving a mobile station by a handover from a first network control node to the second network control node; and
transmitting a mobile identity indicator for the mobile station embedded in a handover report message to the first network control node after the handover, wherein the transmitting is triggered by an occurrence of a handover failure or a radio link failure (RLF) for the mobile station while the mobile station is connected to the second network control node;
wherein the transmitting is further triggered by:
a RLF report being transmitted from the mobile station to a third network control node;
a radio resource control (RRC) re-establishment request message being transmitted from the mobile station to a third network control node; or
reception at the second network control node of a RLF indication message that is transmitted from a third network control node.
2. The second network control node according to claim 1, wherein the RLF report comprises a cell radio network temporary identifier (CRNTI) or a ShortMAC-I for the mobile station.
3. The second network control node according to claim 1, wherein the RLF indication message comprises a cell radio network temporary identifier (CRNTI) or a ShortMAC-I for the mobile station.
4. The second network control node according to claim 1, wherein the mobile identity indicator is a cell radio network temporary identifier (CRNTI) for the mobile station.
5. A first network control node, comprising:
a processor; and
a non-transitory computer-readable storage medium storing a program to be executed by the processor, the program including instructions for:
handing over a mobile station from the first network control node to a second network control node;
receiving a mobile identity indicator embedded in a handover report message transmitted from the second network control node after the handover, wherein the transmission is triggered by an occurrence of a handover failure or a radio link failure for the mobile station while the mobile station is connected to the second network control node; and
identifying the mobile station using the mobile identity indicator;
wherein the computer-readable storage medium further stores network context information of the mobile station, and the program also includes instructions for analyzing or adjusting a radio network parameter using the mobile identity indicator and the stored network context information.
6. The first network control node according to claim 5, wherein the program also includes instructions for analyzing or adjusting a mobility parameter.
7. The first network control node according to claim 5, wherein during the handover the program also includes instructions for exchanging the mobile identity indicator between the first network control node and the second network control node.
8. A system comprising a first network control node according to claim 5 and a second network control node;
wherein the first network control node is configured to communicate with the mobile station; and
the second network control node is configured to communicate with the mobile station, the second network control node communicatively coupled with the first network control node;
wherein the second network control node comprises:
another processor; and
another non-transitory computer-readable storage medium storing another program to be executed by the processor, the another program including instructions for:
receiving the mobile station by the handover from the first network control node to the second network control node; and
transmitting the mobile identity indicator for the mobile station embedded in the handover report message to the first network control node after the handover, wherein the transmitting is triggered by the occurrence of the handover failure or the radio link failure (RLF) for the mobile station while the mobile station is connected to the second network control node;
wherein the transmitting is further triggered by:
a RLF report being transmitted from the mobile station to a third network control node;
a radio resource control (RRC) re-establishment request message being transmitted from the mobile station to a third network control node; or
reception at the second network control node of a RLF indication message that transmitted from the third network control node.
9. A method, comprising:
receiving, by a second network control node, a mobile station by a handover from a first network control node to the second network control node; and
transmitting a mobile identity indicator for the mobile station embedded in a handover report message to the first network control node after the handover, wherein the transmitting is triggered by an occurrence of a handover failure or a radio link failure (RLF) for the mobile station while the mobile station is connected to the second network control node;
wherein the transmitting is further triggered by:
a RLF report being transmitted from the mobile station to a third network control node;
a radio resource control (RRC) re-establishment request message being transmitted from the mobile station to a third network control node; or
reception at the second network control node of a RLF indication message that is transmitted from a third network control node.
10. A computer, comprising:
a processor; and
a computer-readable storage medium storing a program to be executed by the processor, the program including instructions for executing the method according to claim 9.
11. A method, comprising:
handing over, by a first network control node, a mobile station from the first network control node to a second network control node;
receiving, by the first network control node, a mobile identity indicator embedded in a handover report message transmitted from the second network control node after the handover, wherein the transmission is triggered by an occurrence of a handover failure or a radio link failure for the mobile station while the mobile station is connected to the second network control node; and
identifying, by the first network control node, the mobile station using the indicator;
wherein network context information of the mobile station is stored in the first network control node, and the method further comprises:
analyzing or adjusting, by the first network control node, a radio network parameter using the mobile identity indicator and the stored network context information.
12. A computer, comprising:
a processor; and
a computer-readable storage medium storing a program to be executed by the processor, the program including instructions for executing the method according to claim 11.
13. A method, comprising:
handing over a mobile station from a first network control node to a second network control node, the first network control node communicatively coupled with the second network control node;
transmitting, by the second network control node, a mobile identity indicator embedded in a handover report message to the first network control node after the handover, the transmitting being triggered by an occurrence of a handover failure or a radio link failure (RLF) for the mobile station while the mobile station is connected to the second network control node;
receiving, by the first network control node, the mobile identity indicator; and
identifying, by the first network control node, the mobile station using the mobile identity indicator;
wherein the transmitting is further triggered by:
a RLF report being transmitted from the mobile station to a third network control node;
a radio resource control (RRC) re-establishment request message being transmitted from the mobile station to a third network control node; or
reception at the second network control node of a RLF indication message that is transmitted from a third network control node.
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SUMMARY
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The information in blue was extracted from the third parties (Standard Setting Organisation, Espacenet)
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