NFC Controller Stay Quiet Command Protocol
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Solution Overview
Problem
Ineffective and inefficient operation of near field communication (NFC) devices in utilizing stay quiet requests leads to degradation in communication quality between NFC devices, inhibiting higher communication quality and lacking support in current NFC specifications.
Innovation Solution
Implementing a method for an NFC device to receive a stay quiet command from a device host, including unique identifiers for remote NFC endpoints, and transmitting a stay quiet response or request to enable efficient usage of stay quiet commands during activation, deactivation, or as data, thereby addressing the lack of support in current NFC specifications.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If stay quiet requests are not implemented in NFC devices, then current NFC specifications are maintained, but communication quality and efficiency are degraded
Solution Approach 1:
The patent segments the NFC communication protocol into distinct command types, introducing a specific 'stay quiet' command category. This segmentation allows the system to maintain standard NFC operations while adding targeted functionality for communication quality management without overhauling the entire protocol stack.
Solution Approach 2:
The stay quiet command enables preliminary action by allowing devices to request quiet periods from remote endpoints before actual communication occurs. This proactive approach prevents interference and establishes communication quality parameters in advance, improving overall efficiency without adding complex real-time control mechanisms.
2Reliability
If stay quiet commands are added to NFC specifications, then communication quality is improved, but device complexity increases
Solution Approach 1:
The stay quiet command is designed as a multi-functional element that can be applied across various NFC communication scenarios including activation, deactivation, and data transmission phases. This universal applicability allows a single command mechanism to improve reliability across multiple communication contexts without proportionally increasing device complexity.
Solution Approach 2:
The patent implements a feedback mechanism where devices send stay quiet requests and receive acknowledgments, creating a closed-loop control system. This feedback approach ensures reliable communication quality management while keeping the command structure simple and manageable within existing NFC device architectures.
3Productivity
If stay quiet requests are implemented, then communication efficiency is enhanced, but current NFC specification compatibility is reduced
Solution Approach 1:
The stay quiet command implementation is designed to be dynamic, allowing devices to selectively enable and use stay quiet requests based on communication needs. This dynamic approach enables efficiency enhancements in scenarios where they are beneficial while maintaining compatibility with existing NFC specifications in scenarios where the extended functionality is not required.
Data Source
AI summary
Techniques for enabling a use of one or more signals in a Near Field Communication (NFC) device for NFC communication are described. In an aspect, the methods and apparatus include receiving, at a NFC controller, a stay quiet command from a device host, wherein the stay quiet command includes one or more unique identifiers (UIDs) corresponding to one or more remote NFC endpoints. Further, in an aspect, the methods and apparatus include transmitting, by the NFC controller, a stay quiet response to the device host based at least in part on the stay quiet command.