Integrated Battery for Radio Communication Processor Energy Stability
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Solution Overview
Problem
Radio communication processor arrangements such as contactless smart cards and RFID tags face energy supply interruptions due to mutual interference and field holes caused by multipath propagation and destructive interference, leading to unstable energy transfer and communication disruptions.
Innovation Solution
Integration of a battery within the chip of the radio communication processor arrangement to store excess energy for use when the energy received from the antenna is insufficient, ensuring continuous operation and reducing the impact of energy dips and interference.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If energy is taken up from an electromagnetic field generated by a reader, then the radio communication processor arrangement can operate without a battery, but the energy supply becomes unstable due to mutual interference and field holes
Solution Approach 1:
The patent applies preliminary action by integrating a battery into the chip that is charged in advance during periods when electromagnetic energy from the reader is sufficient. This stored energy is then available to bridge periods when energy uptake is impaired due to mutual interference or field holes, ensuring continuous operation without increasing overall structural complexity
Solution Approach 2:
The patent changes the energy supply parameter from purely external electromagnetic field dependence to a hybrid system combining electromagnetic field uptake with internal battery storage. This parameter change allows the system to maintain operation under varying electromagnetic conditions by switching between or combining both energy sources
2Reliability
If a battery is integrated into the chip to ensure continuous energy supply, then energy supply stability improves, but device complexity and manufacturing difficulty increase
Solution Approach 1:
The patent merges the battery with the chip structure by integrating it directly into the chip substrate. This combining approach ensures that the battery and chip components work as a unified system, sharing the same physical space and electrical connections, thereby improving reliability without proportionally increasing overall device complexity
Solution Approach 2:
The integrated battery serves multiple functions: it provides backup power during energy dips, extends operational range in field holes, and enables the chip to function independently of continuous reader presence. This multi-functionality justifies the added integration complexity by delivering diverse benefits from a single integrated structure
3Productivity
If energy is taken up continuously from the electromagnetic field, then the system can maintain communication, but communication disruptions occur due to multipath propagation and destructive interference
Solution Approach 1:
The battery performs preliminary action by storing energy during periods of good electromagnetic field conditions, preparing the system in advance for periods when multipath propagation or destructive interference will cause energy uptake failures. This pre-charged energy ensures communication can be maintained without interruption
Solution Approach 2:
The battery acts as an intermediary energy storage element between the electromagnetic field and the chip's power consumption. It buffers the relationship between external field availability and internal power needs, smoothing out the effects of multipath propagation and interference by decoupling the timing of energy uptake from energy consumption
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The integrated battery maintains the functionality of the radio communication processor arrangement by providing a stable energy supply, enhancing communication reliability and range, and preventing repeated readings of RFID tags in field holes.
Implementation Method 1
Integration of a battery within the chip of the radio communication processor arrangement to store excess energy for use when the energy received from the antenna is insufficient
Implementation Method 2
Radio communication processor arrangements, such as contactless smart cards and RFID (radio frequency identification) tags, typically supply their components with energy which they take up from an electromagnetic field, which is generated for example by a corresponding reader
Data Source
AI summary
In accordance with various embodiments, a radio communication processor arrangement including a chip and a battery integrated into the chip is provided.