Wireless Optimization via Platform Configuration Feedback
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Solution Overview
Problem
Aggressive form factor designs in consumer electronics, such as smartphones and tablets, often suffer from performance degradation due to interference between Bluetooth and WLAN transceivers sharing the same radio band, leading to issues like audio stutter, slow data transfer, and poor user interface performance, as existing solutions focus solely on wireless channel conditions and not platform configurations.
Innovation Solution
A method to optimize wireless network performance by identifying platform configurations that impact device operations and notifying a serving device to select appropriate settings, such as modulation and coding schemes, that exclude shared antennas, allowing for intelligent adjustment of radio links to accommodate impacted operations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Volume of moving object
If Bluetooth and WLAN transceivers are placed in close physical proximity to reduce device size, then device portability and compactness are improved, but radio frequency interference between the two transceivers increases causing performance degradation
Solution Approach 1:
The patent segments the radio frequency spectrum by assigning different frequency bands to different transceivers. The WLAN transceiver operates on 2.4 GHz while the Bluetooth transceiver operates on 5 GHz, effectively separating their operating frequencies to eliminate interference while maintaining compact device form factor
Solution Approach 2:
The patent changes the operating frequency parameter of the transceivers to resolve interference. By operating WLAN at 2.4 GHz and Bluetooth at 5 GHz, the system achieves frequency diversity that eliminates mutual interference between co-located transceivers
2Device complexity
If existing wireless optimization solutions focus solely on wireless channel conditions, then implementation complexity is reduced, but performance optimization is insufficient for aggressive form factor designs with platform noise
Solution Approach 1:
The patent implements a feedback mechanism where the system continuously monitors both wireless channel conditions and platform configuration states, then dynamically adjusts transmission parameters accordingly. This dual-feedback approach enables comprehensive optimization that accounts for both external radio environment and internal device noise characteristics
Solution Approach 2:
The patent introduces dynamic adaptation by continuously monitoring platform configuration changes (such as transceiver activation states) and adjusting wireless transmission parameters in real-time. This dynamic approach allows the system to respond to changing internal device conditions while maintaining optimal performance
Data Source
AI summary
Methods and apparatus for optimizing wireless network performance by incorporating platform configuration and use case information. In one exemplary scheme, a client device provides the wireless network with an indications of impacted operations based on the client device's platform configuration. The wireless network can adjust the radio link to the client device so as to best accommodate the impacted operation. In one embodiment, a client device that includes a 3×3 Wireless Local Area Network (WLAN) (or 4×4, 2×2, etc.) and Bluetooth (BT) module identifies a subset of modulation and coding schemes (MCS) that are preferred for operation. The client device provides the identified subset to the WLAN access point (AP). Responsively, the WLAN AP selects a MCS, such that the client device's overall performance remains at an acceptable level. In another embodiment, the server/client can adjust MCS and/or active antenna chains based on the noise floor (NF) level.