Access Node Power Option Selection for Wireless Devices
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Solution Overview
Problem
In telecommunication systems, boosting the power of reference signals from access nodes can improve channel quality but may interfere with neighboring access nodes, leading to service interruptions and failed handovers due to mismatched signal radii, and existing methods fail to optimally determine power options that balance meeting application requirements and minimizing interference.
Innovation Solution
A method to determine power options for access nodes by estimating the number of wireless devices that will meet application requirements and the number of devices that will experience interference with neighboring access nodes, allowing for the selection of an optimal power level for transmitting reference signals, thereby enhancing channel quality while minimizing interference.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the power of reference signals from access nodes is boosted to improve channel quality, then channel quality is improved, but interference with neighboring access nodes increases leading to service interruptions and failed handovers
Solution Approach 1:
The system dynamically adjusts the power level parameter of reference signals based on estimated interference conditions. Multiple power options are determined and evaluated, with the selected power level changing according to the number of wireless devices that would experience interference, thereby optimizing channel quality while preventing harmful interference effects.
Solution Approach 2:
The system uses feedback from estimated interference conditions to adjust reference signal power levels. By estimating the number of wireless devices that would experience interference and the number of devices that would meet application requirements, the system feeds this information back into the power selection process to determine the optimal power option that balances channel quality improvement with interference mitigation.
2Productivity
If power boosting is performed to meet application requirements of wireless devices, then more wireless devices meet application requirements, but the number of wireless devices experiencing interference with neighboring access nodes increases
Solution Approach 1:
The system changes the power level parameter to optimize the balance between meeting application requirements and minimizing interference. By determining multiple power options and selecting based on estimated interference conditions, the system adjusts the power parameter to achieve the optimal trade-off point where sufficient devices meet requirements while interference remains acceptable.
Solution Approach 2:
Instead of applying full power boosting unconditionally, the system applies partial power boosting only when necessary and appropriate. By evaluating estimated interference conditions and selecting from multiple power options, the system performs just enough power adjustment to meet application requirements without excessive power that would cause harmful interference to neighboring access nodes.
Data Source
AI summary
Systems and methods are described for determining a power option for an access node. Application requirements for a first plurality of wireless devices in communication with a first access node may be identified for each wireless device. The number of wireless devices that comprise a met application requirement may then be determined. When that number meets a first criteria, a plurality of power options for transmitting a first signal may be determined. For each power option, a second number of the first plurality of wireless devices and a third number of wireless devices in communication with a second access node may be estimated. Based on the estimated numbers for the determined power options, a power option may be selected and the first access node may transmit the first signal according to the selected power option.