Adaptive Receiver Diversity Control for Wireless Devices
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Solution Overview
Problem
Advanced receiver diversity techniques in wireless communication devices increase power consumption, reducing battery life and impacting user experience, as they are often used by default even when not needed for higher throughput.
Innovation Solution
Adaptive disabling of receiver diversity based on device usage characteristics, such as active data traffic patterns, application requirements, and channel quality metrics, to conserve power without affecting application functionality.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If receiver diversity techniques are always used by default, then higher throughput is provided for data transmitted via wireless networks, but power consumption is significantly increased, reducing battery life
Solution Approach 1:
The patent implements dynamic adaptation of receiver diversity by continuously monitoring channel quality metrics (such as SINR, RSRP, RSRQ) and adjusting the diversity configuration in real-time. The system transitions from static always-on receiver diversity to a dynamic state where the receiver adapts its diversity level based on current channel conditions, enabling high throughput when needed while conserving power when channel conditions permit single-receiver operation
Solution Approach 2:
The patent changes the operational parameters of the receiver diversity system by introducing threshold-based decision-making. Channel quality metrics are measured and compared against predefined thresholds to determine whether to enable or disable receiver diversity. This parameter change approach allows the system to switch between different operational states (diversity enabled/disabled) based on quantifiable channel conditions, optimizing the trade-off between throughput and power consumption
2Reliability
If receiver diversity techniques are always used by default, then features like MIMO are supported, but device usage time between charges is significantly reduced
Solution Approach 1:
The system dynamically adjusts MIMO support availability based on channel conditions. When channel quality metrics exceed thresholds, the system enables MIMO with full receiver diversity for reliable high-speed data transmission. When conditions deteriorate or traffic patterns change, the system adapts by reducing diversity levels, thereby extending battery life while maintaining adequate MIMO functionality when needed
3Productivity
If receiver diversity techniques are always used by default, then higher throughput is achieved, but user experience is negatively impacted due to reduced battery life
Solution Approach 1:
The patent implements feedback mechanisms that monitor both channel quality metrics and device usage characteristics (such as active data traffic patterns and application requirements). This feedback loop enables the system to learn from actual usage patterns and adapt receiver diversity configuration accordingly, ensuring high throughput is maintained during demanding applications while automatically reducing power consumption during lighter usage, thereby improving overall user experience
Data Source
AI summary
A method for adaptively disabling receiver diversity is provided. The method can include a wireless communication device determining an active data traffic pattern; defining a threshold channel quality metric based at least in part on a threshold channel quality needed to support a threshold quality of service for the active data traffic pattern; comparing a measured channel quality to the threshold channel quality metric; and disabling receiver diversity in an instance in which the measured channel quality metric satisfies the threshold channel quality metric.