Modulation Profile Assignment for Wireless Devices
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Solution Overview
Problem
Existing communication systems rely on a single, uniform data modulation profile for multiple devices, which can lead to inefficient signal transmission due to varying signal quality and interference, resulting in reduced channel capacity and data loss.
Innovation Solution
A system and method for generating and distributing multiple modulation profiles tailored to individual user devices or groups, dynamically adjusting modulation orders based on signal quality metrics like MER and SNR, and grouping devices to maximize channel capacity and minimize interference.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a single uniform data modulation profile is used for multiple devices, then system complexity is reduced and ease of operation is improved, but channel capacity is reduced and data loss increases due to varying signal quality
Solution Approach 1:
The patent segments the device population into multiple groups based on signal quality metrics (MER, SNR, receive power). Each group is assigned a specific modulation profile optimized for its signal characteristics. This segmentation allows the system to achieve high channel capacity through optimized modulation while maintaining operational simplicity through automated grouping and profile assignment.
2Device complexity
If a single uniform data modulation profile is used for multiple devices, then device complexity is reduced, but signal quality deteriorates and data loss increases due to varying interference conditions
Solution Approach 1:
The patent applies local quality by assigning different modulation profiles to different device groups based on their specific signal quality conditions. Each group receives a modulation profile locally optimized for its MER, SNR, and receive power characteristics. This ensures high signal quality and reliability for each group while keeping individual device complexity low through automated profile management.
3Productivity
If multiple customized modulation profiles are generated and distributed to devices, then channel capacity increases and data loss reduces through optimized signal transmission, but system complexity and operational complexity increase
Solution Approach 1:
The system implements self-service by automatically measuring signal quality metrics (MER, SNR, receive power) for each device, grouping devices based on these measurements, and assigning appropriate modulation profiles without manual intervention. This automation achieves high channel capacity through optimized modulation while minimizing system complexity by eliminating manual configuration requirements.
Solution Approach 2:
The patent employs feedback mechanisms where devices report signal quality metrics (MER, SNR, receive power) to the system. The system uses this feedback to dynamically group devices and assign optimized modulation profiles. This feedback-driven approach maximizes channel capacity while keeping system complexity manageable through automated, data-driven decision-making.
4Reliability
If multiple customized modulation profiles are generated and distributed to devices, then data loss reduces through optimized modulation for each device's signal conditions, but ease of operation deteriorates due to increased configuration complexity
Solution Approach 1:
The system achieves automated modulation profile optimization by having devices self-report signal quality metrics and having the system automatically perform grouping and profile assignment. This eliminates manual configuration complexity while achieving reduced data loss through optimized modulation, thereby improving ease of operation despite the sophistication of the underlying system.
Data Source
AI summary
Described herein is a system and method for determining one or more data modulation profiles for one or more devices. The system and method described herein may measure signal quality, such as a modulation error ratio (MER), signal-to-noise ratio (SNR), receive power, transmit power, etc. Based on the signal quality, the system may determine one or more data modulation profile(s) (e.g., quadrature amplitude modulation (QAM) profiles) for a subcarrier, a plurality of subcarriers, a device, and/or a grouping of devices.