Wireless Device Assignment by Power Class and Noise
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Solution Overview
Problem
Existing mobility management methods fail to adequately consider the transmission characteristics of wireless devices when assigning them to secondary nodes in wireless networks, leading to suboptimal performance, especially in heavily loaded networks with varying noise levels.
Innovation Solution
A system and method that identify the power class of wireless devices and determine noise levels in sectors to dynamically assign HPUEs to secondary nodes with the highest channel received power or spectral efficiency and LPUEs to nodes with the lowest noise, optimizing their channel allocation based on noise thresholds and spectral efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If existing mobility management methods are used to assign wireless devices to secondary nodes, then the assignment process is simple, but the transmission performance is suboptimal because device characteristics are not considered
Solution Approach 1:
The patent changes the parameter of device classification by introducing power class identification (HPUE vs LPUE) and uses this parameter to determine different assignment strategies. The master node identifies device power class and adjusts assignment parameters based on noise levels and device type, transforming a one-size-fits-all approach into a parameter-driven differentiated approach that improves transmission performance.
Solution Approach 2:
The patent applies local quality by treating different device types (HPUE and LPUE) differently in the assignment process. Instead of uniform treatment, the system assigns HPUEs to secondary nodes with highest channel received power and LPUEs to nodes with lowest noise, creating localized optimization tailored to each device category's characteristics and capabilities.
2Reliability
If wireless devices are assigned to secondary nodes without considering noise levels, then the assignment is fast, but transmission reliability deteriorates in high-noise environments
Solution Approach 1:
The master node performs preliminary action by identifying device power class and determining noise levels before the actual assignment process. This pre-assessment allows the system to pre-determine the optimal secondary node for each device type, ensuring transmission reliability is optimized before data transmission begins, rather than reacting to noise conditions during assignment.
Solution Approach 2:
The system implements feedback by continuously monitoring noise levels in different sectors and using this feedback to dynamically adjust assignment decisions. The master node receives noise level information and feeds it back into the assignment algorithm, creating a closed-loop system that adapts to changing environmental conditions to maintain transmission reliability.
3Productivity
If HPUEs are assigned to secondary nodes with highest channel received power, then throughput is improved, but network complexity increases due to dynamic assignment requirements
Solution Approach 1:
The patent introduces dynamics by making the assignment process adaptive rather than static. The master node dynamically assigns HPUEs to secondary nodes based on real-time channel received power conditions and noise levels. This dynamic approach allows the network to optimize throughput by continuously matching devices to the most suitable secondary nodes as conditions change.
Solution Approach 2:
The system applies segmentation by dividing the network management into distinct functional segments: device classification (HPUE/LPUE identification), noise level measurement, secondary node evaluation, and assignment decision-making. This segmentation allows each component to be optimized independently while working together to improve overall throughput without overwhelming complexity.
4Reliability
If LPUEs are assigned to secondary nodes with lowest noise, then transmission quality is enhanced, but the system complexity increases due to differentiated handling
Solution Approach 1:
The patent applies local quality by providing tailored assignment optimization for LPUEs specifically targeting low-noise secondary nodes. This localized optimization ensures that devices with limited transmit power are assigned to the most favorable conditions, enhancing transmission quality for this specific device category without requiring complete redesign of the overall assignment system.
Solution Approach 2:
The system changes parameters by using noise level as a key assignment parameter for LPUEs, contrasting with power-based assignment for HPUEs. This parameter change allows the system to optimize transmission quality for low-power devices by matching them to secondary nodes with favorable noise characteristics, creating differentiated but manageable assignment criteria.
Data Source
AI summary
Systems and methods provide for assignment of wireless devices to a secondary node based on a characteristic of the wireless device and properties of the secondary node. The method may be triggered when noise reaches a predetermined threshold. HPUEs may be assigned to secondary nodes having a high reverse noise and channels having a high spectral efficiency and LPUEs may be assigned to secondary nodes having a lower reverse noise and a lower spectral efficiency.