Cognitive Radio Access Request Routing Optimization
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Solution Overview
Problem
Current wireless communication systems supporting cognitive radio face inefficiencies in spectrum allocation, particularly in reducing communication overhead and minimizing interruptions in information interaction between cognitive radio apparatuses and spectrum allocation devices like GLDB, due to factors such as geographic location, mobility, and time configurations of access requests.
Innovation Solution
A control apparatus and method that acquire and optimize access request routing based on influencing factors, including geographic location and mobility, to synchronize and merge access requests from multiple cognitive radio apparatuses, thereby reducing communication overhead and ensuring stable spectrum allocation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of time
If cognitive radio apparatuses access the GLDB individually and frequently to obtain spectrum resources, then the spectrum allocation responsiveness is improved, but the communication overhead increases and the risk of information interaction interruptions increases
Solution Approach 1:
The patent merges multiple individual access requests from different cognitive radio apparatuses into a single collective access request. The master apparatus aggregates spectrum resource requests from multiple slave apparatuses and submits them together to the GLDB, reducing the number of separate communications while maintaining responsive spectrum allocation.
Solution Approach 2:
The master apparatus acts as an intermediary between slave apparatuses and the GLDB. It receives access requests from multiple slave apparatuses, aggregates them, and submits a unified request to the GLDB, thereby reducing communication overhead while maintaining allocation responsiveness.
2Device complexity
If cognitive radio apparatuses access the GLDB individually, then the system complexity is reduced, but the communication overhead increases and information interaction stability deteriorates
Solution Approach 1:
Multiple individual access operations are merged into a single collective access operation. The master apparatus combines spectrum resource requests from multiple slave apparatuses into one unified request to the GLDB, reducing the total number of communications and thereby improving information interaction stability.
3Productivity
If access requests are submitted frequently by cognitive radio apparatuses, then the spectrum resource availability is improved, but the communication overhead increases
Solution Approach 1:
The patent combines multiple frequent access requests from different cognitive radio apparatuses into a single aggregated request. This maintains high spectrum resource availability by processing frequent requests while reducing communication overhead by submitting them collectively through the master apparatus.
4Reliability
If cognitive radio apparatuses periodically access the GLDB to ensure spectrum resource effectiveness, then the spectrum allocation reliability is improved, but the communication overhead increases
Solution Approach 1:
Periodic access requests from multiple cognitive radio apparatuses are merged into a single collective periodic access operation. The master apparatus aggregates these requests and submits them together to the GLDB, maintaining spectrum allocation reliability while reducing the communication overhead associated with periodic verification.
Data Source
AI summary
A control apparatus and method for a wireless communication system supporting cognitive radio. The control apparatus includes an acquisition unit and a management unit. The acquisition unit is configured to acquire information about at least one factor capable of affecting performance of transferring an access request for a frequency spectrum resource by a communication apparatus, the access request being used for making a request to a device which controls the frequency spectrum allocation for allocating a frequency spectrum to the communication apparatus. The management unit is configured to receive the access request sent by the communication apparatus, and optimize a route for the access request of the communication apparatus according to the acquired factor in the case that the access request contains information indicating that the communication apparatus is a slave apparatus of another communication apparatus.