MIH Layer Link Parameter Configuration Feedback
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Solution Overview
Problem
The current 802.21 draft is unable to accurately feed back configuration results for each link parameter to the higher layer during the media independent handover process, as it can only indicate successful, failed, or rejected configurations, failing to provide detailed results for multiple parameters simultaneously.
Innovation Solution
The method and device enhance the MIH layer's ability to feed back link parameter configuration results by using a set-type parameter ConfigurationResponseSets or ConfigurationResponseList, allowing each link parameter's configuration status to be individually reported as successful, failed, or rejected, enabling accurate feedback to the higher layer.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If a single ResultCode parameter is used to feedback configuration results, then the feedback process is simple, but detailed configuration results for multiple parameters cannot be provided
Solution Approach 1:
The patent segments the configuration result feedback by creating a one-to-one correspondence between configuration parameters and result codes. Each link parameter configuration request is associated with a specific result code that indicates its configuration status (successful, failed, or rejected). This segmentation allows detailed feedback for multiple parameters while maintaining clear tracking of individual parameter outcomes.
2Loss of information
If detailed configuration results for each parameter are provided, then information completeness is improved, but the feedback structure becomes more complex
Solution Approach 1:
The patent implements a feedback mechanism where the MIH layer receives configuration results from lower layers and forwards them to higher layers through the MIH_Configure.response primitive. The feedback includes result codes that correspond to each configuration parameter, enabling higher layers to understand the configuration status of each parameter while maintaining a structured feedback process.
Data Source
AI summary
A method for feeding back a link parameter configuration result includes the following steps. After receiving a configuration request for at least one link parameter from the higher layer to the lower layer, a media independent handover layer instructs the lower layer to perform link parameter configuration, and the lower layer returns the configuration result for each link parameter to the media independent handover layer after the link parameter configuration completes; the media independent layer receives the configuration result for each link parameter, and feeds back the configuration result for each link parameter to the higher layer. The method overcomes the disadvantages in the prior art, and achieves the objective that the configuration results are fed back accurately when configuration requests to a plurality of link parameters is brought up simultaneously and the configuration of some parameters is successful, failed, or rejected, thereby enabling the higher layer to obtain the accurate configuration results for link parameters.