Broadcast Parameter Determination via Channel Quality Classification
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Solution Overview
Problem
Telecommunication systems face challenges in determining optimal broadcast transmission schemes for wireless devices, leading to inefficiencies in resource utilization and user experience, particularly in varying wireless conditions within geographic areas.
Innovation Solution
The method involves receiving channel quality indicators from wireless devices, determining their locations, and classifying geographic areas based on these indicators to select appropriate modulation and coding schemes for broadcast transmissions, which are then applied by access nodes to enhance user experience.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of energy
If a broadcast transmission is used to reach multiple wireless devices, then system resources are conserved, but determining optimal broadcast parameters becomes complex
Solution Approach 1:
The patent segments the service area into multiple broadcast areas based on channel quality indicators and device locations. Each broadcast area is assigned a specific broadcast classification (first, second, or third) which determines the transmission scheme. This segmentation allows the system to optimize broadcast parameters for different geographic regions with varying wireless conditions, resolving the complexity of determining optimal parameters across the entire service area.
Solution Approach 2:
The patent applies local quality by assigning different broadcast classifications to different geographic areas based on local channel quality indicators. Devices in areas with better channel quality receive different transmission schemes compared to devices in areas with poorer channel quality. This local differentiation optimizes resource utilization while managing the complexity through standardized classification criteria.
2Productivity
If broadcast transmission is used to reach multiple devices, then resource utilization is improved, but user experience varies in different wireless conditions
Solution Approach 1:
The patent implements dynamics by enabling the system to adapt broadcast transmission parameters based on real-time channel quality indicators and device locations. The broadcast classification and transmission scheme are dynamically determined based on current wireless conditions rather than being static. This allows the system to maintain optimal resource utilization while ensuring consistent user experience across different geographic areas with varying signal conditions.
Solution Approach 2:
The patent applies parameter changes by modifying broadcast transmission parameters (such as modulation and coding schemes) based on the determined broadcast classification. Different geographic areas receive different transmission parameters optimized for their specific channel conditions. This parameter adaptation ensures that resource utilization remains efficient while user experience is maintained at high quality across all areas.
3Measurement precision
If channel quality indicators are collected from multiple wireless devices, then broadcast classification accuracy is improved, but system complexity increases
Solution Approach 1:
The patent applies universality by using channel quality indicators for multiple purposes: determining broadcast classification, selecting transmission schemes, and optimizing resource allocation. The same CQI data collected from devices serves multiple functions in the broadcast management process, improving classification accuracy without proportionally increasing system complexity. The standardized classification framework (first, second, third broadcast areas) provides a universal approach that simplifies implementation.
Data Source
AI summary
Systems and methods are described for determining a broadcast transmission scheme for an area. Channel quality indicators may be received from a plurality of wireless devices. For each of the plurality of wireless devices, a location may be determined. A geographic area may be classified as a first broadcast classification based on the channel quality indicators received from wireless devices that comprise a location proximate to the geographic area. A transmission scheme may be determined for a broadcast transmission to wireless devices proximate to the geographic area based on the first broadcast classification, where the transmission scheme may comprise a least a modulation and coding scheme. One or more access nodes may then be instructed to broadcast using the determined transmission scheme for the geographic area.