Dynamic Handoff Management Across Multi-Frequency Wireless Channels
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Solution Overview
Problem
Existing techniques for managing handoff processes between nodes and access points in wireless networks are not satisfactory in certain situations, particularly in identifying and switching between channels in different frequency ranges, leading to suboptimal communication performance.
Innovation Solution
A method and system that utilize a scanning engine to identify available channels across different frequency ranges and a centralized controller to initiate optimized handoff decisions based on signal strength, channel utilization, and other parameters, ensuring seamless communication sessions by dynamically switching between access points.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If known techniques are used to manage communication between nodes and access points, then basic communication functionality is maintained, but communication performance is suboptimal in certain situations
Solution Approach 1:
The patent implements dynamic handoff management by continuously monitoring signal strength, channel utilization, and interference levels across multiple frequency ranges (2.4 GHz, 5 GHz, 6 GHz). The system adapts handoff decisions in real-time based on changing network conditions, selecting optimal access points and channels dynamically rather than using static management approaches.
Solution Approach 2:
The system changes multiple parameters simultaneously to optimize communication performance: frequency range (2.4/5/6 GHz), channel selection, access point selection, and handoff timing. By monitoring and adjusting these parameters based on signal strength, channel utilization, and interference measurements, the system achieves superior communication performance compared to known techniques.
2Object-affected harmful factors
If channels are selected to reduce interference, then interference is reduced, but communication efficiency may be compromised
Solution Approach 1:
The patent extends channel selection beyond traditional single-frequency-range approaches by simultaneously evaluating multiple frequency ranges (2.4 GHz, 5 GHz, 6 GHz) and multiple channels within each range. This multi-dimensional approach allows the system to find optimal channels that balance interference reduction with communication efficiency, rather than being constrained to a single frequency band.
Solution Approach 2:
The system continuously monitors communication quality, signal strength, channel utilization, and interference levels, using this feedback to dynamically adjust channel selection and handoff decisions. This closed-loop feedback mechanism ensures that interference is reduced while maintaining high communication efficiency by adapting to changing network conditions in real-time.
3Adaptability or versatility
If the access point is changed as the node moves through the network, then network coverage is maintained, but handoff management complexity increases
Solution Approach 1:
The system performs preliminary scanning and evaluation of available access points and channels before handoff is needed. By proactively identifying optimal target access points across multiple frequency ranges and assessing their signal strength, channel utilization, and interference levels in advance, the system simplifies the actual handoff execution while maintaining comprehensive network coverage.
Solution Approach 2:
The patent implements a universal handoff management system that operates across multiple frequency ranges (2.4 GHz, 5 GHz, 6 GHz) and multiple channels, using a unified approach to access point selection and handoff decision-making. This multi-functional system handles diverse network conditions and access point types through a single integrated management mechanism, reducing overall complexity.
Data Source
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AI summary
Identifying one or more access points in one or more channels to facilitate communication includes identifying an access point in a channel in a first channel band of a first frequency range to facilitate communication with a network. The first channel band includes a plurality of channels and the first frequency range includes a plurality of channel bands. The identified access point is used to communicate with the network. A scanning sequence is initiated in the first frequency range and a second frequency range to identify one or more access points in one or more channels to facilitate communication. The second frequency range includes a plurality of channel bands.