Dynamic Cell Structure in Wireless Base Stations
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Solution Overview
Problem
Commercial wireless mobile networks face interference issues due to radio wave interactions between neighboring cells, and certified terminals may receive suboptimal service when uncertified terminals enter a cell, affecting transmission and reception quality.
Innovation Solution
A wireless communication base station with multiple radio units and a digital unit that dynamically controls their states based on channel quality and spare resources, switching between independent, merge, and idle states to optimize service quality and minimize interference.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If multiple radio units operate as independent cells, then service coverage and capacity are improved, but interference between neighboring cells increases
Solution Approach 1:
The patent implements dynamic cell configuration where radio units can switch between independent cell mode and merged cell mode based on real-time conditions. The base station controller monitors channel quality indicators and spare resource levels, then dynamically reconfigures the cell structure to optimize the trade-off between service capacity and interference levels.
Solution Approach 2:
The system changes operational parameters by adjusting cell configuration states (independent vs. merged) based on measured channel quality and resource availability. When channel quality degrades or resources become scarce, the system transitions to merged cell mode to reduce interference and improve overall network performance.
2Reliability
If a base station operates in CSG mode to provide service to certified terminals, then service quality for certified terminals is improved, but uncertified terminals experience suboptimal service and interference increases
Solution Approach 1:
The base station dynamically adjusts its operational mode based on the presence and status of terminals. When uncertified terminals are detected causing interference or resource constraints, the system transitions to merged cell mode to mitigate the harmful effects while maintaining service for certified terminals.
3Reliability
If radio units form a merged cell, then interference is reduced and channel quality improves, but spare wireless resources decrease
Solution Approach 1:
The system implements dynamic reconfiguration between merged and independent cell modes based on real-time monitoring of channel quality and resource availability. This allows the network to adapt to changing conditions, merging cells when quality deteriorates and splitting them when resources become constrained.
Data Source
AI summary
Disclosed is a wireless communication base station which includes a plurality of radio units configured to transmit and receive a radio signal; and a digital unit connected to the plurality of radio units via cables and configured to operate a communication protocol. The digital unit controls the plurality of radio units according to a communication environment to be switched into a merge state in which the plurality of radio units forms a cell, or an independent state in which the plurality of radio units forms different cells, respectively.