Wireless Backhaul Path Power Saving for Moving Mesh Networks
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Solution Overview
Problem
The high power consumption in mesh networks, particularly those providing connectivity to fast-moving mobile systems, is substantial due to the large number of networking nodes that are often not needed for communication at any given time.
Innovation Solution
A power savings mechanism that identifies unnecessary paths in a wireless backhaul network and causes networking nodes along those paths to enter a power-saving mode based on the movement of the mobile system, using predictive and machine learning techniques to determine which nodes to power down.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a large number of networking nodes are deployed to ensure reliable connectivity with fast-moving mobile systems, then connectivity reliability is improved, but power consumption increases substantially
Solution Approach 1:
The patent implements dynamic power management where networking nodes transition between active and power-saving states based on real-time mobile system location and connectivity requirements. The system continuously monitors mobile system position and dynamically adjusts the operational state of mesh network nodes, activating only those nodes currently needed to maintain connectivity with the moving target while placing others in power-saving mode.
Solution Approach 2:
The patent applies local quality by creating spatially differentiated operational states across the mesh network. Nodes in close proximity to the mobile system maintain full operational capacity, while nodes farther away transition to power-saving modes. This localized approach ensures that connectivity reliability is maintained in the critical zone around the mobile system while reducing overall network power consumption.
2Reliability
If all networking nodes remain active to ensure continuous connectivity, then connectivity availability is improved, but energy waste increases
Solution Approach 1:
The patent implements periodic wake-up cycles for nodes in power-saving mode. Nodes periodically check whether they need to become active based on updated mobile system location information. This periodic action allows the system to maintain connectivity availability by quickly reactivating nodes when needed while minimizing energy waste during periods when nodes remain in power-saving state.
Solution Approach 2:
The patent enables networking nodes to autonomously determine their own operational state based on received location information and connectivity requirements. Each node can independently assess whether it needs to remain active or transition to power-saving mode, eliminating the need for continuous centralized control and reducing overall system energy consumption while maintaining connectivity availability.
Data Source
AI summary
In one embodiment, a device identifies a plurality of paths in a wireless backhaul network between a gateway and a plurality of access points that provide wireless connectivity to a mobile system. The device determines a movement of the mobile system. The device determines, based on the movement of the mobile system, that a particular path in the plurality of paths is not needed to provide wireless connectivity to the mobile system. The device causes one or more networking nodes along the particular path to enter into a power saving mode.