Flexible Channel Stacking for RF Signal Processing
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Solution Overview
Problem
Existing methods for receiving wireless signals are cumbersome and inefficient, particularly in combining satellite and non-satellite broadcasts into a single physical channel for flexible channel and band stacking.
Innovation Solution
A system and method for flexible channel and band stacking, where a receiver isolates and combines input RF signals from multiple sources, allowing variable bandwidths, and maps these signals into channel slots and frequency bins with offset overlap, enabling efficient integration of satellite and non-satellite content onto a single output signal.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If existing methods are used for receiving wireless signals, then signal reception is possible, but the process is cumbersome and inefficient
Solution Approach 1:
The patent segments the frequency spectrum into multiple channels and bands, allowing independent processing and stacking of different frequency components. This enables efficient combination of satellite and non-satellite broadcasts by treating them as separate segments that can be independently managed and then combined, reducing overall system complexity.
Solution Approach 2:
The patent merges multiple input RF signals from different sources (satellite and non-satellite) onto a single output signal through channel and band stacking. This combining process consolidates multiple separate reception paths into one unified output, significantly improving efficiency and simplifying the reception process.
2Adaptability or versatility
If multiple channels and bands are combined into a single output signal, then flexibility and efficiency are improved, but signal processing complexity increases
Solution Approach 1:
The patent implements dynamic channel and band stacking where the system can adaptively combine different channels and bands based on signal conditions and requirements. This dynamic approach allows the system to adjust the stacking configuration in real-time, providing flexibility while managing processing complexity through intelligent control.
Solution Approach 2:
The patent creates a universal processing framework that can handle multiple types of signals (satellite and non-satellite) and multiple frequency bands through a single integrated system. This multi-functional approach allows one system to perform multiple reception and processing functions, reducing overall system complexity despite the increased capabilities.
3Adaptability or versatility
If channels with varying bandwidths are stacked, then adaptability is improved, but mapping and processing difficulty increases
Solution Approach 1:
The patent employs parameter changes in the form of frequency offset modulation when mapping channels with varying bandwidths. By adjusting frequency offset parameters, the system can accommodate different bandwidth configurations while maintaining a structured mapping approach, thereby reducing the difficulty of channel detection and processing.
Solution Approach 2:
The patent replaces complex mechanical-like channel mapping mechanisms with digital signal processing techniques. Through digital frequency offsetting and mapping algorithms, the system achieves flexible handling of variable bandwidth channels without requiring complex physical reconfiguration, significantly reducing processing difficulty.
Data Source
AI summary
A receiver includes a plurality of input paths for receiving and processing a plurality of input RF signals. The input paths isolate one or more portions of corresponding ones of the received input RF signals, and combine the isolated portions of the corresponding ones of the received input RF signals onto one or more output signals. A bandwidth of the isolated portions of the corresponding ones of the received input RF signals and a bandwidth of the output signals are variable. The isolated portions of the corresponding ones of the received plurality of input RF signals are extracted and utilized to generate the output signals. The portions of the corresponding ones of the received plurality of input RF signals may be mapped into one or more channel slots in the time domain. The channel slots may be assigned in the frequency domain to one or more frequency bins.