Communication Device Switching Between NFC and Network Wireless Modes
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Solution Overview
Problem
Conventional communication technologies using the NFC scheme face inefficiencies in data transfer due to slower data communication speeds and limited range, which can lead to prolonged data transmission times and incomplete communication links.
Innovation Solution
A communication device equipped with an NFC interface, processor, and memory, capable of executing specific steps to establish and disconnect communication links, allowing for efficient data transfer by switching between NFC and network wireless communication modes to optimize data exchange.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If NFC scheme communication is used, then device compatibility and short-range communication reliability are improved, but data communication speed and transmission range are limited
Solution Approach 1:
The system dynamically switches between NFC and network wireless communication modes based on data transfer requirements. NFC is used for initial connection establishment and small data transfers, while network wireless communication is activated for large data transfers to overcome speed limitations.
Solution Approach 2:
The communication process is segmented into different phases: NFC is used for connection establishment and control signal transmission, while network wireless communication handles bulk data transfer. This segmentation allows each communication mode to operate in its optimal performance range.
2Reliability
If NFC scheme communication is used, then short-range secure communication is improved, but transmission range and data exchange efficiency are reduced
Solution Approach 1:
The system dynamically adjusts the communication mode based on the size and type of data being transferred. NFC provides secure authentication and connection establishment, while network wireless communication takes over for efficient bulk data transfer, optimizing both security and productivity.
Solution Approach 2:
NFC acts as an intermediary for secure connection establishment and authentication, while network wireless communication serves as the primary data transfer channel. This intermediary approach allows NFC to provide security without becoming a bottleneck for data exchange efficiency.
3Device complexity
If single communication link is used, then device simplicity is maintained, but communication reliability and data transfer completeness are reduced
Solution Approach 1:
The communication system is segmented into multiple independent communication links (NFC and network wireless). Each link handles specific communication tasks, and the system can switch between links based on requirements, improving reliability without significantly increasing user-facing complexity.
Solution Approach 2:
The communication device is designed with multi-functionality, supporting both NFC and network wireless communication capabilities. This universal design allows the device to adapt to different communication scenarios and maintain reliability across various data transfer requirements.
Data Source
AI summary
An MFP establishes a first communication link L1 by receiving an activation command and sending an OK command. The MFP receives first target data from a portable device by using the first communication link. The MFP generates second target data by processing the first target data. After receiving the first target data, the MFP disconnects the first communication link. The MFP establishes a second communication link by receiving the activation command and sending the OK command. The MFP sends the second target data to the portable device by using the second communication link.