Mapping Uplink Data Priority to Channel Quality in Carrier Aggregation
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Solution Overview
Problem
In mobile communication networks, the variability in channel quality among multiple uplink carrier channels leads to inefficient data transmission, as higher-quality channels are not consistently utilized for critical data, resulting in potential data loss and retransmissions.
Innovation Solution
A method where a mobile communication terminal device evaluates the quality of available uplink carrier channels by measuring retransmission rates and other quality metrics to prioritize high-priority data transmission over higher-quality channels, while using lower-quality channels for less critical data.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If multiple uplink carrier channels are allocated for uplink transmission, then available bandwidth and data rates increase, but channel quality variability increases causing inefficient data transmission
Solution Approach 1:
The patent applies local quality by assigning different data packets to different uplink carrier channels based on the quality characteristics of each channel. High-priority data is transmitted on high-quality channels while low-priority data is transmitted on lower-quality channels, optimizing overall transmission reliability and efficiency
Solution Approach 2:
The patent implements dynamic channel quality evaluation and adaptive data transmission scheduling. The system continuously monitors channel quality indicators (CQI) and dynamically adjusts the mapping between data packets and carrier channels, allowing the system to adapt to changing channel conditions and maintain optimal performance
2Reliability
If smart selection of uplink carrier channels is implemented for important data, then successful reception improves, but system complexity increases
Solution Approach 1:
The patent applies preliminary action by pre-evaluating and ranking uplink carrier channels based on their quality characteristics before data transmission. The system maintains a sorted list of channels from highest to lowest quality, enabling quick and efficient data-to-channel mapping without complex real-time decision-making, thus improving reliability while minimizing added complexity
Data Source
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AI summary
A method of performing uplink mobile communications may include identifying a first uplink data and a second uplink data, wherein the first uplink data has a higher transmission priority than the second uplink data, and evaluating a plurality of candidate uplink channels to generate a plurality of uplink channel quality measures. Each of the plurality of uplink channel quality measures may be associated with one of the plurality of candidate uplink channels. The method may further include performing a comparison between one or more of the plurality of uplink channel quality measures to select a first uplink channel from the plurality of candidate uplink channels, transmitting the first uplink data using the first uplink channel, and transmitting the second uplink data using a second uplink channel of the plurality of candidate uplink channels.