On-Demand Modulation Waveform Generation for Radio Channel Matching
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Solution Overview
Problem
Current software defined radios often use predefined modulation waveforms that do not accurately match channel conditions, leading to suboptimal performance in data exchange across multiple channels, requiring complex independent synchronization and handling for each channel.
Innovation Solution
A method and apparatus that identify available data channels and environmental constraints to generate a customized modulation waveform, specifically a sampled orthogonal waveform, that meets optimization criteria for improved performance across all channels.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If predefined modulation waveforms are used for each channel, then device complexity is reduced, but measurement precision of channel conditions deteriorates
Solution Approach 1:
The patent implements a single synchronization signal that serves multiple functions across all data channels simultaneously. This universal synchronization approach eliminates the need for separate synchronization mechanisms per channel, reducing receiver complexity while maintaining accurate channel condition assessment through the unified signal structure.
Solution Approach 2:
The patent combines synchronization functionality across multiple channels into a single synchronization signal. By merging the synchronization operations that would otherwise be required for each individual channel into one unified signal, the system reduces the number of processing steps and computational requirements at the receiver while preserving the ability to accurately characterize all channel conditions.
2Device complexity
If a single synchronization signal is used across all data channels, then device complexity is reduced, but manufacturing precision of channel-specific optimization deteriorates
Solution Approach 1:
The synchronization signal incorporates channel-specific characteristics by encoding information about individual channel conditions within the unified signal structure. This allows the single synchronization mechanism to maintain local optimization for each channel while avoiding the complexity of separate synchronization systems, achieving both simplicity and precision.
Data Source
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AI summary
A method and apparatus for managing communications between communications systems is provided. A set of data channels available for use in exchanging data between a communications system and a set of communications systems is identified. A number of constraints for a modulation waveform are identified based on the set of data channels identified and environmental information about a communications environment for the communications between a radio and a set of radios. The modulation waveform that meets the number of constraints is identified. The modulation waveform is configured for use in exchanging the data between the communications system and the set of communications systems over the set of data channels.