Dynamic Transmit Power Ceiling Adjustment for Wireless Links
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Solution Overview
Problem
Existing communication systems face signal degradation due to attenuation and interference, leading to inefficient use of transmit power and potential loss of connectivity, especially in environments with high noise or distance from base stations.
Innovation Solution
A system that dynamically adjusts the downlink transmit power ceiling based on signal-to-noise information and power commitment levels, allowing for increased power transmission when necessary to improve link quality while managing power distribution across multiple channels.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If transmit power is increased to overcome signal attenuation and interference, then communication link quality is improved, but power consumption increases and interference to other channels increases
Solution Approach 1:
The patent implements dynamic adjustment of the downlink transmit power ceiling based on real-time signal-to-noise conditions and power commitment levels. The power ceiling is not fixed but adapts continuously to changing channel conditions, allowing the system to use higher power only when necessary for link maintenance while reducing power consumption during good conditions.
Solution Approach 2:
The system changes the power ceiling parameter dynamically based on signal-to-noise information and power commitment metrics. By adjusting this key parameter in response to measured channel conditions, the system optimizes the balance between link reliability and power consumption, avoiding unnecessary high power transmission when the channel quality is sufficient.
2Reliability
If transmit power ceiling is increased to maintain connectivity in poor signal conditions, then link reliability is improved, but interference to other communication channels increases
Solution Approach 1:
The patent employs feedback mechanisms where the base station monitors signal-to-noise conditions and power commitment levels, then adjusts the power ceiling accordingly. This closed-loop control ensures that power increases are made only when necessary for connectivity, minimizing unnecessary interference to other channels while maintaining link reliability in poor conditions.
Solution Approach 2:
The system dynamically adjusts the power ceiling parameter based on real-time monitoring of signal-to-noise conditions and power commitment. This parameter adaptation allows the system to increase power only when link maintenance is critical, thereby reducing overall interference generation compared to fixed high power ceilings.
3Reliability
If power is allocated aggressively to maintain link quality, then communication reliability is improved, but available power resources are depleted faster
Solution Approach 1:
The patent implements dynamic power ceiling adjustment that adapts to both channel conditions and remaining power resources. By continuously monitoring power commitment levels and signal-to-noise conditions, the system optimizes power allocation to maintain reliability while preserving available power resources for future use and other channels.
Solution Approach 2:
The system adjusts the power ceiling parameter based on power commitment information, ensuring that aggressive power allocation occurs only when necessary and sustainable. This parameter adaptation prevents premature depletion of power resources while maintaining communication reliability through targeted power increases.
Data Source
AI summary
Adjustment of a transmit power parameter, such as a ceiling level, is disclosed. Signal-to-noise type information and committed power information can be employed to determine the ceiling level adjustment. A ceiling level can be a predetermined cap on transmission power for downlink or uplink channels between a user equipment and a base station. Where there is sufficient headroom in total transmission power and a power level greater than the predetermined ceiling can be effective, the ceiling can be adjusted to greater values than the predetermined value. Where total transmission power is more committed, ceiling adjustment can be prevented. Further, where there is no adequate benefit from increasing the ceiling, the adjustment of the ceiling can be prevented. While some instances can result in optimized transmission levels below the ceiling, instances can also be accommodated where the ceiling is to be increased.