Frequency Management System for Wireless Interference Control
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Solution Overview
Problem
Conventional methods for managing wireless communications in shared frequency bands face challenges in controlling interference between radio apparatuses using different wireless schemes, leading to complex interference issues and reduced frequency bandwidth efficiency.
Innovation Solution
A frequency management system where radio apparatuses transmit their usable wireless schemes and positions to a control apparatus, which extracts available frequencies and updates frequency information to minimize interference by adjusting wireless schemes and assigning frequencies based on interference levels and occupancy proportions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If multiple radio apparatuses use the same frequency in the same area with different wireless schemes, then frequency utilization is improved, but interference control becomes complicated and interference increases
Solution Approach 1:
A control apparatus is introduced as an intermediary between radio apparatuses using different wireless schemes. The control apparatus receives wireless scheme information from radio apparatuses, determines appropriate frequencies based on this information, and assigns frequencies to minimize interference. This mediator simplifies the overall system by centralizing the complex interference control logic, allowing multiple radio apparatuses to use the same frequency band without direct complex interactions for interference management.
2Productivity
If multiple radio apparatuses use the same frequency in the same area with different wireless schemes, then frequency utilization is improved, but interference becomes great
Solution Approach 1:
The control apparatus acts as a mediator that receives wireless scheme information from radio apparatuses, determines appropriate frequencies based on this information, and assigns frequencies to minimize interference. This centralized control enables frequency allocation that considers the specific characteristics of different wireless schemes, thereby reducing interference while maintaining high frequency utilization.
Solution Approach 2:
The system assigns different frequencies to radio apparatuses based on their specific wireless scheme types and local conditions. The control apparatus determines frequencies locally for each radio apparatus based on its wireless scheme information, rather than applying a uniform frequency allocation strategy. This localized frequency assignment optimizes performance for each specific case while managing overall interference in the frequency band.
Data Source
AI summary
A communications method includes transmitting by a radio apparatus, where the radio apparatus transmits to a control apparatus, first information indicating a wireless scheme that the radio apparatus can use in any one among wireless communication and wireless broadcasting; extracting and transmitting by the control apparatus, where the control apparatus extracts from frequency information correlating wireless schemes and available frequencies, a frequency that corresponds to the wireless scheme indicated by the first information transmitted by the radio apparatus and transmits to the radio apparatus, second information indicating the extracted frequency; and performing by the radio apparatus, any one among the wireless communication and the wireless broadcasting, using the frequency indicated by the second information transmitted by the control apparatus.