RFID Tag Substrate with Multiple RF Nodes for Power Sharing
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Solution Overview
Problem
Current RFID tags, especially passive ones, face performance issues such as low bandwidth and high failure rates in data transmission, while active tags are expensive and require a power source, necessitating improved performance in a passive tag platform.
Innovation Solution
The implementation of multiple RF network nodes on an RFID tag substrate allows for coordinated data communication and power sharing among nodes, enabling enhanced memory, redundancy, and multi-frequency capabilities, with dynamic power management to accommodate changing demands.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If multiple RF network nodes are implemented on an RFID tag substrate, then memory capacity and functionality are enhanced, but device complexity increases
Solution Approach 1:
The RFID tag is divided into multiple independent RF network nodes, each with its own memory and processing capabilities. This segmentation allows the tag to achieve enhanced total memory capacity and functionality while maintaining manageable complexity through modular design, where each node can be independently controlled and powered.
Solution Approach 2:
Multiple RF network nodes are integrated onto a single RFID tag substrate, combining their memory resources and processing capabilities. This merging approach enables the tag to provide enhanced memory capacity and multiple frequency capabilities while sharing common power management and control infrastructure, thereby managing device complexity.
2Productivity
If multiple RF network nodes operate simultaneously, then bandwidth and data transmission capability are improved, but power consumption increases
Solution Approach 1:
The system dynamically controls power distribution to RF network nodes based on operational requirements. Power management algorithms monitor and adjust power allocation in real-time, enabling multiple nodes to operate when high bandwidth is needed while reducing power consumption when fewer nodes are required, thus resolving the contradiction between productivity and energy use.
Solution Approach 2:
The RFID tag employs periodic activation of RF network nodes rather than continuous operation. Nodes are activated in cycles or bursts when data transmission is required, allowing the system to achieve high bandwidth during active periods while minimizing power consumption during idle periods between transmissions.
3Adaptability or versatility
If power is shared dynamically amongst RF network nodes, then adaptability to changing demands is improved, but control complexity increases
Solution Approach 1:
Each RF network node is equipped with autonomous power management capabilities, allowing nodes to self-regulate their power consumption based on their operational needs. This self-service approach enables dynamic adaptability to changing demands while reducing control complexity by distributing intelligence to individual nodes rather than requiring centralized control of all power allocation decisions.
Solution Approach 2:
The system implements feedback mechanisms where power management algorithms monitor the operational status and power consumption of each RF network node. Based on this feedback, the system automatically adjusts power allocation to match actual demands, providing adaptability while managing control complexity through closed-loop control rather than complex open-loop planning.
Data Source
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AI summary
In embodiments of the present invention improved capabilities are described for a radio frequency identification (RFID) tag substrate for the mounting of a plurality of RF network nodes. In this way, data communications among the plurality of RF network nodes may be coordinated such that the plurality of RF network nodes act as a single RFID tag when interrogated by an RFID reader, and where power may be shared amongst the plurality of RF network nodes.