System, method, and computer program for managing data packets transmission between network nodes based on pre-defined configuration and dynamic configuration

A method, performed by at least one processor, comprising:

• transmitting, by a first network node, one or more data packets stored in a buffer to a second network node during a handover operation;
• determining, by the first network node, whether or not a re-transmission of the one or more data packets is required;
• determining, by the first network node, a type of the re-transmission, based on determining that the re-transmission is required;
• re-transmitting, by the first network node, the one or more data packets based on the determined type of the re-transmission, the type of re-transmission being determined from among a first type using predefined configurations for one or more parameters, and a second type using dynamic configurations for the one or more parameters, the predefined configurations being values of the one or more parameters that are predefined prior to the handover operation, and the dynamic configurations being values of the one or more parameters that are defined or adjusted by the first network node during the handover operation;
• and
• clearing, by the first network node, the one or more data packets from the buffer, based on determining that the re-transmission is not required,
• wherein the first network node is a source base station of the handover operation, and the second network node is a target base station of the handover operation.

A non-transitory computer-readable recording medium having recorded thereon instructions executable by a processor to cause the processor to perform a method comprising:

• transmitting, by a first network node, one or more data packets stored in a buffer to a second network node during a handover operation;
• determining, by the first network node, whether or not a re-transmission of the one or more data packets is required;
• determining, by the first network node, a type of the re-transmission, based on determining that the re-transmission is required;
• re-transmitting, by the first network node, the one or more data packets based on the determined type of re-transmission, the type of re-transmission being determined from among a first type using predefined configurations for one or more parameters, and a second type using dynamic configurations for the one or more parameters, the predefined configurations being values of the one or more parameters that are predefined prior to the handover operation, and the dynamic configurations being values of the one or more parameters that are defined or adjusted by the first network node during the handover operation;
• and
• clearing, by the first network node, the one or more data packets from the buffer, based on determining that the re-transmission is not required,
• wherein the first network node is a source base station of the handover operation, and the second network node is a target base station of the handover operation.