Wi-Fi Channel Selection for VR P2P Groups
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Solution Overview
Problem
In virtual reality (VR) environments, achieving optimal Wi-Fi throughput is hindered by Wi-Fi signal collisions due to the improper selection of radio frequency channels, leading to unsatisfactory communication quality in Head-Mounted Display (HMD) Peer-to-Peer (P2P) groups.
Innovation Solution
A method for establishing a communication group involves receiving beacons from reference devices indicating their used wireless channels and number of connected devices, determining a target channel with the lowest usage, and using this channel to establish the communication group, thereby minimizing interference and improving throughput.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If a random or default Wi-Fi channel is selected for establishing a P2P communication group, then the device can quickly establish communication, but Wi-Fi signal collisions occur due to channel congestion from other devices, leading to reduced throughput and poor communication quality
Solution Approach 1:
The system performs preliminary channel assessment by receiving beacons from reference devices before establishing the P2P communication group. This advance detection of channel usage patterns allows the device to select a less congested channel in advance, preventing signal collisions before they occur and ensuring optimal throughput from the start of communication
Solution Approach 2:
The system uses beacon signals from reference devices as feedback about current channel usage. By analyzing the number of connected devices on each channel reported in beacons, the system continuously monitors channel conditions and selects the optimal channel based on this feedback, dynamically avoiding congested channels and improving throughput
2Ease of operation
If channel selection is performed by simply choosing a default or random channel, then the establishment process is simple and fast, but the communication quality deteriorates due to interference from other Wi-Fi networks on the same channel
Solution Approach 1:
The system performs automatic channel selection by itself without requiring manual user input. It autonomously receives beacons from reference devices, analyzes the channel usage information, determines the optimal channel based on the number of connected devices, and configures its own communication settings. This self-service approach maintains ease of operation while significantly improving communication quality through intelligent channel selection
Solution Approach 2:
The system changes the operational parameter of Wi-Fi channel based on analyzed conditions. By monitoring the number of connected devices on each channel from beacon signals and selecting a channel with fewer devices, the system dynamically adjusts the channel parameter to optimize communication quality while maintaining simple automatic operation
Data Source
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AI summary
The embodiments of the disclosure provide a method for establishing a communication group, a communication device, and a computer readable storage medium. The method includes: receiving at least one beacon from at least one reference device, wherein each beacon includes a wireless channel used by the corresponding reference device and a number of connected devices of the corresponding reference device, and the wireless channel indicated in each beacon belongs to multiple reference channels; determining a target channel based on the wireless channel used by the corresponding reference device and the number of connected devices of the corresponding reference device; and establishing the communication group by using the target channel.