Aggregation Device Interference Source Air Time Acquisition
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Solution Overview
Problem
Conventional radio communication systems face difficulties in accurately detecting and assessing the influence of interference sources due to limited detection capabilities of radio base stations and insufficient information about management target radio devices, especially when interference sources are not actively transmitting or receiving signals.
Innovation Solution
A radio communication system where multiple radio devices detect interference source signals and generate air time information, which is then aggregated by an aggregation device to estimate the interference source's air time, position, and predict future transmission timings, enabling effective interference management.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If radio base stations transmit/receive signals continuously, then communication productivity is improved, but detection capability of interference source signals deteriorates
Solution Approach 1:
The patent segments the detection function by allowing radio base stations to perform detection only during idle periods when not transmitting/receiving signals. This temporal segmentation enables the system to maintain high communication productivity during active periods while preserving interference detection capability during idle periods, resolving the contradiction between productivity and detection capability.
Solution Approach 2:
The patent introduces an intermediary mechanism where radio terminals under control of radio base stations perform interference source signal detection on behalf of the base stations during base station idle periods. This intermediary approach enables continuous detection capability without requiring base stations to continuously monitor, thus maintaining both communication productivity and detection capability.
2Device complexity
If only radio base stations connected to aggregation device are monitored, then device complexity is reduced, but quantity of reference information deteriorates
Solution Approach 1:
The patent makes radio terminals serve multiple functions: they act as both communication endpoints and detection agents for interference source signals. By utilizing radio terminals for detection and reporting air time information to the aggregation device, the system increases the quantity of reference information without significantly increasing device complexity, as terminals already exist in the network infrastructure.
Solution Approach 2:
The patent merges the detection function with the existing radio terminal infrastructure, combining communication and detection roles into a single system component. This merging approach allows the aggregation device to access detection information from multiple sources (base stations and terminals) through a unified mechanism, increasing reference information quantity while managing complexity through existing network structures.
3Difficulty of detecting and measuring
If radio base stations fragmentarily grasp air time of interference source, then detection capability is maintained, but measurement precision deteriorates
Solution Approach 1:
The patent implements a feedback mechanism where radio terminals continuously report detected interference source signals and air time information to the aggregation device. This feedback loop enables the aggregation device to accumulate comprehensive data about interference patterns, allowing precise measurement and analysis of air time while maintaining detection capability through distributed reporting from multiple terminals.
Solution Approach 2:
The patent performs preliminary detection and recording of interference source signals by radio terminals during various operational states. By preliminarily capturing air time information in advance and storing it for later analysis, the system enables precise measurement of interference patterns without requiring real-time continuous monitoring, thus maintaining detection capability while improving measurement precision through accumulated historical data.
Data Source
AI summary
There are provided a plurality of radio devices detecting an interference source signal transmitted by an interference source and generating pieces of air time information showing whether the interference source signal exists or not for each predetermined time unit; and an aggregation device estimating air time of the interference source by acquiring the pieces of air time information from the plurality of radio devices and aggregating/integrating the acquired pieces of air time information for each predetermined unit time, matching timings.