Server managing secondary frequency band interference
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Solution Overview
Problem
In a wireless communication environment where secondary communication services utilize primary frequency bands, interference issues arise due to the depletion of frequency resources, affecting users who prioritize signal quality and those who tolerate temporary disturbances.
Innovation Solution
A server apparatus, communication device, and method that allow signal collision and re-transmission of content in secondary frequency bands, utilizing a management server to manage frequency band utilization and transmission power, ensuring minimal interference impact on primary services while maintaining communication efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If secondary communication services utilize primary frequency bands, then frequency resource utilization is improved, but interference with primary services occurs
Solution Approach 1:
The patent introduces a server as an intermediary that manages frequency band allocation between primary and secondary communication services. The server receives channel query requests from secondary devices, determines available frequency bands by considering primary service usage, and provides channel quality metric values that reflect both availability and expected utility. This intermediary coordination enables secondary services to utilize frequency resources without causing harmful interference to primary services.
Solution Approach 2:
The patent dynamically adjusts channel quality metric values based on multiple parameters including primary service usage, secondary service demand, and interference levels. By changing these metric parameters, the system optimizes frequency band allocation to balance resource utilization with interference prevention, allowing secondary services to adapt their transmission parameters according to real-time conditions.
2Object-affected harmful factors
If channel quality metric values are adjusted to balance load, then interference distribution is improved, but channel selection efficiency deteriorates
Solution Approach 1:
The server performs preliminary calculations of channel quality metric values before secondary devices need to select channels. By pre-determining the expected utility of each channel based on primary service patterns and secondary service requirements, the system avoids real-time computation delays during channel selection, thus maintaining efficiency while achieving balanced interference distribution.
Solution Approach 2:
The system implements feedback mechanisms where channel quality metric values are continuously updated based on actual interference levels and service performance. This feedback loop allows the server to adjust metric values dynamically, improving interference distribution over time while maintaining channel selection efficiency through learned patterns and optimized algorithms.
Data Source
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AI summary
[Object] To provide a server apparatus which can allow collision of signals and efficiently lead to another service when interference occurs, in secondary utilization of a frequency band. [Solution] The server apparatus includes: an acquisition unit configured to acquire information from a receiver device that is capable of receiving a radio wave of a first frequency band assigned to a first communication service and a communication device that is capable of transmitting and receiving a radio signal for a second communication service that secondarily utilizes the first frequency band; and a control unit configured to generate statistical information of the receiver device, by using the information acquired by the acquisition unit.