Multi-AP Coordination Method Selection Based on Channel State Information
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Solution Overview
Problem
Current multi-AP coordination configurations in wireless LANs lack a systematic method for deciding the appropriate technical approach based on communication conditions between apparatuses, which affects communication speed and stability.
Innovation Solution
A communication apparatus with a first determination unit to assess channel state information and a selection unit to choose a communication method from various options, such as Joint Transmission, null steering, Coordinated OFDMA, or schedule adjustment, based on the determined conditions, to optimize multi-AP coordination.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If multiple APs operate by coordinating with each other to improve throughput, then communication speed and stability are improved, but the complexity of deciding which coordination method to use increases
Solution Approach 1:
The patent changes the parameter of coordination method selection by introducing a determination unit that evaluates channel state information and communication conditions to automatically select the appropriate coordination method (D-MIMO, null steering, Coordinated OFDMA, or schedule adjustment), thereby resolving the complexity of manual method selection while maintaining high throughput benefits
Solution Approach 2:
The patent implements feedback mechanisms where APs exchange channel state information and communication conditions to dynamically determine the optimal coordination method, enabling adaptive selection based on real-time network conditions and improving both throughput and decision automation
2Speed
If D-MIMO communication is used to achieve high-speed communication, then communication speed is improved, but adaptability to different communication conditions decreases
Solution Approach 1:
The patent makes the communication system universal by enabling APs to perform multiple coordination methods (D-MIMO, null steering, Coordinated OFDMA, schedule adjustment) depending on communication conditions, allowing the system to adapt to various scenarios while maintaining high communication speed when conditions are favorable
3Ease of operation
If coordinated communication is implemented without systematic method selection, then implementation simplicity is maintained, but communication stability deteriorates
Solution Approach 1:
The patent enables the communication system to be self-service by having APs automatically determine the optimal coordination method based on exchanged channel state information and communication conditions, eliminating the need for external intervention while improving communication stability through adaptive method selection
Data Source
AI summary
A communication apparatus determines whether or not the communication apparatus and one or more other communication apparatuses capable of performing coordinated communication by coordinating with the communication apparatus to use a predetermined frequency band can obtain channel state information from one or more communication partner apparatuses that perform the coordinated communication, and selects a communication method for performing the coordinated communication from among a plurality of communication methods based on a result of the determination.