Mobile Station Location Reporting Rejection Feedback
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Solution Overview
Problem
In broadband wireless access systems, unnecessary requests for location measurement data lead to resource wastage due to repetitive measurements when a Mobile Station (MS) refuses to provide data, causing the Base Station (BS) to repeatedly retransmit requests without knowing the reason for non-delivery.
Innovation Solution
Implementing a method and apparatus where the MS can report its rejection of providing location information, including a duration for rejection, allowing the BS to notify higher nodes and manage the MS as incapable of providing location information during that time, thereby avoiding unnecessary data requests and enabling resumption of service when allowed.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the BS repetitively retransmits SCN-RSP messages to request measurement data, then the location determination process continues, but wireless resources are wasted due to unnecessary requests when the MS has rejected data provision
Solution Approach 1:
The MS provides feedback to the BS by setting a specific bit in the SCN-REP message to indicate rejection of location measurement data provision. This feedback mechanism allows the BS to understand the MS's intent and stop repetitive requests, resolving the contradiction between continuing location determination and avoiding wireless resource waste.
Solution Approach 2:
The MS performs preliminary action by indicating its rejection intent in the first SCN-REP message before the BS can send subsequent requests. This preliminary indication prevents the BS from wasting resources on future requests during the rejection period, while still allowing the location determination process to be maintained for cases where the MS later changes its mind.
2Ease of operation
If the MS always transmits SCN-REP message in response to SCN-RSP, then the protocol is followed, but the MS cannot effectively communicate its rejection of location information provision
Solution Approach 1:
The SCN-REP message structure is modified by adding a specific bit (e.g., bit 8 of information element 1) that has a specialized function indicating rejection. This local modification allows the message to maintain its overall protocol structure while embedding specific rejection information, resolving the contradiction between protocol compliance and effective communication of rejection intent.
Data Source
AI summary
A method and an apparatus for an operation of a Mobile Station (MS) in a wireless access system are provided. The method includes receiving a request to report measurement data required for location determination, determining whether it is in a state in which providing of location information is rejected, and if it is determined that it is in the state in which providing of location information is rejected, transmitting a message for reporting that providing of the location information is rejected.