Core Network Node Selection for Reliable Per-Area Sensing
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Solution Overview
Problem
Existing wireless sensing systems face challenges in determining suitable sensing nodes for performing sensing tasks, particularly in Per-Area sensing scenarios where multiple nodes have signal coverage over the target area, but there is no clear method to select the most appropriate node for delivering sensing tasks.
Innovation Solution
A core network device determines one or more sensing nodes from a group of available nodes and transmits a sensing request to each, enabling flexible and reliable sensing task execution.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If multiple sensing nodes have signal coverage over the target area, then the coverage and reliability of sensing tasks are improved, but the difficulty of selecting the most appropriate node increases
Solution Approach 1:
The patent implements a feedback mechanism where sensing nodes report their capabilities and status to the network device, which then selects the most appropriate node based on this feedback information. This resolves the contradiction by providing structured feedback loops that enable reliable node selection without increasing system complexity
Solution Approach 2:
The network device acts as an intermediary between multiple sensing nodes and the sensing task requirements. It receives capability information from nodes, processes this information, and makes the selection decision, thereby simplifying the overall system architecture while maintaining reliability through centralized intelligent selection
2Productivity
If a clear method for selecting sensing nodes is implemented, then the efficiency of sensing task delivery is improved, but the communication system overhead increases
Solution Approach 1:
The patent applies preliminary action by having sensing nodes pre-report their capabilities and status information to the network device before sensing tasks are assigned. This allows the network device to make efficient selection decisions without requiring extensive communication during task execution, thereby improving productivity while minimizing communication overhead
Solution Approach 2:
The system implements partial action by requiring sensing nodes to report only the specific capability information needed for task selection, rather than all possible parameters. This selective information exchange improves task delivery efficiency while keeping communication overhead manageable by transmitting only essential data
Data Source
AI summary
A core network device and a first sensing node are provided. The core network device includes: a processor, and a memory for storing a computer program that, when executed by the processor, causes the core network device to: receive a first sensing request; determine one or more sensing nodes from at least one sensing node; and transmit a second sensing request to each of the one or more sensing nodes.