Wireless Data Transmission Verification for Range Control
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Solution Overview
Problem
In wireless communication environments, data transmission is unreliable due to factors like multi-path schemes and interference, leading to issues such as data loss and transmission collisions, where conventional methods only perform localization once during initial session establishment and may continue transmitting data even if the client moves out of the acceptable range or experiences temporary interference.
Innovation Solution
The method involves establishing a communication channel, transmitting content data, and repeatedly verifying whether the data is within an acceptable transmission range, with the decision to continue transmission based on the success ratio of these verifications, using a round trip time measurement and periodic verification according to time intervals or data amounts.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If localization is performed only once during initial session establishment, then the system complexity is reduced, but the reliability of data transmission deteriorates because the client may move out of acceptable range or experience temporary interference
Solution Approach 1:
The patent implements periodic localization verification during data transmission by sending challenge packets at regular intervals and measuring round trip times. This periodic action ensures the client remains within acceptable transmission range while maintaining manageable system complexity through automated interval-based checks.
Solution Approach 2:
The system establishes feedback loops where localization results from periodic verification are fed back to control data transmission. When verification fails (client moves out of range or interference detected), transmission is suspended; when verification succeeds, transmission resumes. This feedback mechanism resolves the contradiction by dynamically adjusting transmission based on real-time conditions.
2Reliability
If localization verification is performed multiple times during transmission, then the reliability of data transmission is improved, but the device complexity and processing overhead increase
Solution Approach 1:
The patent performs preliminary authentication and session establishment before data transmission begins. This preliminary action sets up the communication channel and initial security context, reducing the complexity of subsequent periodic verification by reusing established session parameters rather than re-authenticating each time.
Solution Approach 2:
The system changes verification parameters dynamically based on transmission conditions. Challenge packets are sent at adjustable intervals, and the number of verification attempts can be modified based on observed transmission quality. This parameter flexibility reduces processing overhead while maintaining reliability by intensifying verification only when necessary.
3Productivity
If the server continuously transmits data after initial authentication, then the productivity of data delivery is improved, but the loss of information increases when the client moves out of acceptable range or interference occurs
Solution Approach 1:
The patent implements dynamic data transmission control where the transmission state (active or suspended) changes based on real-time localization verification results. The system transitions between transmission states dynamically rather than maintaining a fixed continuous transmission mode, thereby preventing data loss when clients move out of range while maintaining high productivity during valid transmission periods.
Solution Approach 2:
The system prepares for potential transmission failures by implementing preliminary verification checks before sending data blocks. When verification fails, transmission is suspended in advance to prevent data loss, rather than waiting for acknowledgment failures. This cushioning approach protects against information loss while minimizing interruptions to productive transmission.
Data Source
AI summary
A method of controlling transmission of content data includes establishing a communication channel with an external device; transmitting the content data through the communication channel to the external device; verifying a plurality of times whether the content data is transmitted to the external device within an acceptable transmission range to generate a verification result; and determining whether to continue transmitting the content data according to the verification result. The verification is periodically performed according to an amount of the content data to be transmitted.