Detection and inhibition of multiple consecutive inter-RAT ping-pong handovers
AssigneeNokia Solutions and Networks Oy
InventorsBernhard Wegmann, Krzysztof Kordybach
Life of this patent
Estimating the term…
Abstract
There are provided measures for detection and inhibition of multiple consecutive inter-RAT ping-pong handovers (also called handover bounces). Such measures exemplarily include detecting multiple consecutive ping-pong handovers of a communication endpoint between two radio access technologies, wherein a ping-pong handover includes a handover from one of said two radio access technologies to the other of said two radio access technologies and a handover from the other of said two radio access technologies to the one of said two radio access technologies, and causing immediate inhibition of certain handovers of said communication endpoint.
Claims20
A method comprising
- detecting multiple consecutive ping-pong handovers of a communication endpoint between two radio access technologies,
- wherein a ping-pong handover comprises a handover from one of said two radio access technologies to the other of said two radio access technologies and
- a handover from the other of said two radio access technologies to the one of said two radio access technologies, and
- causing immediate inhibition of certain handovers of said communication endpoint;
- and
- further comprising, wherein in relation to said causing, the method further comprises determining a specific root cause for said multiple consecutive ping-pong handovers based on handover trigger types of said handovers that occur for each different handover direction and that are grouped separately for different handover directions of said multiple consecutive ping-pong handovers, and controlling said inhibition based on said specific root cause, wherein each combination of the handover direction and the handover trigger type forms the specific root cause.
The method according to 1, wherein
- in relation to said determining, the method further comprises dividing said handovers of said multiple consecutive ping-pong handovers into handovers from an own radio access technology to a not own radio access technology and handovers from said not own radio access technology to said own radio access technology, wherein
- said specific root cause is determined based on said handover trigger type of said handovers from said own radio access technology and said handover trigger type of said handovers to said own radio access technology.
An apparatus comprising:
- at least one memory including computer program code;
- and
- at least one processor,
- the at least one memory and the computer program code configured, with the at least one processor, to cause the apparatus to perform at least the following:
- detect multiple consecutive ping-pong handovers of a communication endpoint between two radio access technologies, wherein a ping-pong handover comprises a handover from one of said two radio access technologies to the other of said two radio access technologies and a handover from the other of said two radio access technologies to the one of said two radio access technologies, and
- cause immediate inhibition of certain handovers of said communication endpoint, and
- further comprising
- determine a specific root cause for said multiple consecutive ping-pong handovers based on a handover trigger types of said handovers that occur for each different handover direction and that are grouped separately for different handover directions of said multiple consecutive ping-pong handovers, and
- control said inhibition based on said specific root cause, wherein each combination of the handover direction and the handover trigger type forms the specific root cause.
A computer program product comprising computer-executable computer program code which, when the program is run on a computer, is configured to cause the computer to carry out the following, and wherein the computer program product comprises a non-transitory computer-readable medium on which the computer-executable computer program code is stored, and/or wherein the program is directly loadable into an internal memory of the processor:
- detecting multiple consecutive ping-pong handovers of a communication endpoint between two radio access technologies,
- wherein a ping-pong handover comprises a handover from one of said two radio access technologies to the other of said two radio access technologies and a handover from the other of said two radio access technologies to the one of said two radio access technologies, and
- causing immediate inhibition of certain handovers of said communication endpoint;
- and
- further comprising, wherein in relation to said causing, the method further comprises determining a specific root cause for said multiple consecutive ping-pong handovers based on handover trigger types of said handovers that occur for each different handover direction and that are grouped separately for different handover directions of said multiple consecutive ping-pong handovers, and controlling said inhibition based on said specific root cause, wherein each combination of the handover direction and the handover trigger type forms the specific root cause.
Dependencies are inferred from the claim text.