Grouped Binding Update for Mobile Terminal Radio Congestion
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Solution Overview
Problem
In mobile communication networks, the frequent change of Care-of Address (CoA) by mobile terminals leads to increased signaling messages, causing radio channel congestion and reducing battery life, as each Home Agent must receive individual Binding Updates, overwhelming the radio link and terminal resources.
Innovation Solution
A method where a mobile terminal generates a grouped update message containing information for multiple Home Agents, which is then transmitted to management equipment to generate and send individual update messages, reducing the number of messages sent over the radio link and shifting processing from the terminal to management equipment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If individual Binding Update messages are sent to each Home Agent, then each Home Agent can be notified of the mobile terminal's new Care-of Address, but the radio link becomes congested and the terminal's battery life is reduced
Solution Approach 1:
The patent combines multiple individual Binding Update messages into a single grouped Binding Update message that contains information for multiple Home Agents. This grouped message is transmitted once over the radio link, reducing the number of transmissions and conserving battery energy while ensuring all Home Agents are notified of the Care-of Address change.
Solution Approach 2:
The patent introduces a Foreign Agent as an intermediary that receives the grouped Binding Update message from the mobile terminal and then distributes individual Binding Update messages to each Home Agent. This mediator approach allows the terminal to send only one message over the radio link while still achieving reliable notification to all Home Agents.
2Reliability
If individual Binding Update messages are sent to each Home Agent, then each Home Agent receives the Care-of Address information, but the radio channel resources are overwhelmed
Solution Approach 1:
The patent merges multiple Binding Update messages into a single grouped message that contains the Care-of Address information and identifiers for multiple Home Agents. This reduces the total volume of signaling messages transmitted over the radio channel from N individual messages to 1 grouped message, conserving radio resources while maintaining update reliability.
Solution Approach 2:
The patent segments the information for multiple Home Agents into a structured grouped message format, where the Care-of Address information is shared and Home Agent identifiers are listed. This segmentation allows efficient packing of information into a single message, reducing overall message volume while ensuring each Home Agent can extract its relevant information.
3Reliability
If the mobile terminal sends Binding Updates to multiple Home Agents, then all Home Agents are updated with the new Care-of Address, but the terminal's processing load and transmission complexity increase
Solution Approach 1:
The patent combines the task of notifying multiple Home Agents into a single grouped Binding Update message generation and transmission operation. The terminal processes one grouped message instead of multiple individual messages, reducing processing complexity and transmission overhead while ensuring all Home Agents are updated reliably.
Solution Approach 2:
The patent uses the Foreign Agent as a mediator that handles the distribution of Binding Update information to multiple Home Agents. This shifts the complexity of managing multiple transmissions from the mobile terminal to the network infrastructure, simplifying the terminal's role to generating and sending a single grouped message.
Data Source
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AI summary
The invention relates to a method for transmitting a message for updating associations between at least one first address and one second address of a mobile terminal, implemented by a mobile terminal attached, by a plurality of first addresses, to first devices of at least one first packet-switching mobile communication network, said first devices being capable of directing a plurality of communication flows toward the mobile terminal, the method including: a step of obtaining a second address when the mobile terminal is attached to a second device of a second network; a step of generating a group update message, including individual information relating to the plurality of first devices, and information relating to the second device; a step of transmitting the group message to a management device previously associated with the mobile terminal and capable of generating and transmitting individual update messages, from the group update message, to the first devices.