Cloud Wi-Fi Manager Dynamic Parameter Optimization
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Solution Overview
Problem
Current Wi-Fi networks face interference and poor spectrum reuse in dense deployments, leading to low throughput and poor user experience due to the lack of sophisticated interference mitigation mechanisms in existing Wi-Fi standards.
Innovation Solution
A Wi-Fi network manager dynamically configures and updates AP parameters, including carrier sense threshold, channel allocation, and transmit power, to optimize network performance by adapting to signal-to-interference-plus-noise ratios, AP density, and client data requirements, forming self-organizing networks with local and global optimization techniques.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Area of stationary object
If Wi-Fi networks are deployed densely to increase coverage and capacity, then network coverage and potential throughput are improved, but interference between access points increases and spectrum reuse becomes poor
Solution Approach 1:
The patent implements dynamic adjustment of carrier sense thresholds and transmit power levels based on real-time network conditions. The network manager continuously monitors signal-to-interference-plus-noise ratios and adapts parameters dynamically, allowing the system to optimize performance in dense deployments while mitigating interference through real-time parameter changes rather than static configurations.
Solution Approach 2:
The system changes physical layer parameters including carrier sense threshold, transmit power, and channel allocation dynamically. By adjusting these parameters based on measured network conditions such as signal-to-interference-plus-noise ratio and AP density, the system resolves the contradiction between providing extensive coverage and managing interference through coordinated parameter optimization.
2Device complexity
If traditional Wi-Fi standards are used without sophisticated interference mitigation mechanisms, then device complexity and implementation cost are reduced, but throughput and user experience deteriorate in dense deployments
Solution Approach 1:
The patent introduces a cloud-based network manager as an intermediary that coordinates interference mitigation across the network. This external controller handles the complex calculations and parameter adjustments, allowing individual access points to maintain relatively simple hardware while achieving sophisticated interference management through centralized coordination and cloud-based optimization algorithms.
Solution Approach 2:
The system implements continuous feedback loops where the network manager monitors network performance metrics including signal-to-interference-plus-noise ratio, throughput, and client data requirements. This feedback drives automatic adjustment of carrier sense thresholds and transmit power levels, enabling the system to maintain high throughput in dense deployments without requiring complex local decision-making at each access point.
3Productivity
If carrier sense threshold is increased to allow more simultaneous transmissions, then spectrum reuse and throughput are improved, but packet errors increase due to higher interference
Solution Approach 1:
The patent dynamically adjusts the carrier sense threshold parameter based on real-time measurements of signal-to-interference-plus-noise ratio and network conditions. By continuously optimizing this parameter rather than using a fixed value, the system can increase spectrum reuse when conditions permit while maintaining packet error rates within acceptable limits through adaptive parameter tuning.
Solution Approach 2:
The system transitions from static carrier sense threshold configuration to dynamic adjustment based on real-time network conditions. The network manager continuously monitors interference levels and throughput, adjusting the carrier sense threshold dynamically to balance spectrum reuse efficiency with packet error rate control, allowing the system to adapt to changing deployment conditions.
4Ease of operation
If Wi-Fi networks use standard channel allocation without optimization, then ease of operation and deployment are improved, but interference and contention among access points increase in dense environments
Solution Approach 1:
The patent implements self-organizing network capabilities where the system automatically optimizes channel allocation and parameters without requiring manual configuration. The network manager autonomously monitors network conditions, performs optimization calculations, and adjusts parameters across access points, eliminating the need for complex manual planning while reducing interference and contention through intelligent automated coordination.
Data Source
AI summary
A method of managing Wi-Fi access points using a Wi-Fi network manager is disclosed. Measurement data is received from a plurality of Wi-Fi access points via a control interface. Optimized adjustments to one or more Wi-Fi parameters associated with one or more of the plurality of access points are searched based at least in part on a set of network optimization goals and the measurement data received from the plurality of access points. At least some of the optimized adjustments to the one or more Wi-Fi parameters are transmitted to the one or more of the plurality of access points using the control interface.