Single-RF Synchronization Reception Across Multiple Frequencies
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Solution Overview
Problem
The high cost and inefficiency of using multiple radio frequency receivers to receive synchronization preambles transmitted on multiple frequencies, such as in Link 16 communication protocols, due to the increased equipment requirements and potential for message errors.
Innovation Solution
A radio frequency receiver system with fewer reception channels than synchronization frequencies, where each channel covers a different frequency within an instantaneous bandwidth, utilizing control programming to position the receiver on optimal frequencies, reducing the probability of missed frequencies below the required message error rate.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If multiple independent radio frequency receivers are utilized to receive synchronization preambles on multiple frequencies, then the reliability of receiving synchronization frequencies is improved, but the device complexity and cost increase
Solution Approach 1:
The patent divides the frequency reception task into multiple time slots, where a single receiver is sequentially positioned on different synchronization frequencies across different time slots. This segmentation of the reception process in time domain replaces the need for multiple simultaneous receivers, reducing device complexity while maintaining reliability through temporal diversity.
Solution Approach 2:
The receiver is made dynamic by allowing its frequency position to change across different time slots. Control programming dynamically positions the receiver on optimal frequencies for each time slot, enabling a single receiver to cover multiple synchronization frequencies sequentially. This dynamic operation eliminates the need for multiple static receivers.
2Reliability
If multiple independent radio frequency receivers are utilized to receive synchronization preambles on multiple frequencies, then the probability of receiving all synchronization frequencies is improved, but the quantity of equipment increases
Solution Approach 1:
The patent segments the reception of multiple synchronization frequencies into sequential time slots, allowing a single receiver to handle multiple frequencies over time rather than requiring multiple receivers simultaneously. This temporal segmentation reduces the quantity of receivers from multiple parallel units to a single reusable unit.
Solution Approach 2:
A single receiver is designed to perform multiple functions by sequentially receiving different synchronization frequencies on different time slots. The receiver is made universal through control programming that positions it on optimal frequencies as needed, eliminating the need for dedicated receivers for each frequency.
3Device complexity
If a single receiver with fewer channels than synchronization frequencies is used, then the device complexity and cost are reduced, but the probability of missing synchronization frequencies increases
Solution Approach 1:
The single receiver is made dynamic with control programming that adaptively positions it on optimal frequencies for each time slot. This dynamic positioning ensures that the receiver captures synchronization frequencies effectively despite having fewer channels than total frequencies, maintaining reliability while using simpler equipment.
Solution Approach 2:
The reception process is organized into periodic time slots, with the receiver systematically positioned on different frequencies in each slot. This periodic action ensures comprehensive coverage of synchronization frequencies over time, compensating for the limited number of channels in a single receiver.
Data Source
AI summary
A system may include a receiver having a number of reception channels spread across an instantaneous radio frequency bandwidth, each one of the reception channels for receiving a different radio frequency within the instantaneous radio frequency bandwidth. The system may also include control programming for positioning the receiver on one of a number of synchronization frequencies transmitting a synchronization preamble, where a number of reception channels is less than a number of synchronization frequencies, and a probability of not receiving one or more of the synchronization frequencies is smaller than a required message error rate for receiving the plurality of synchronization frequencies.