Wireless Communication Terminal for Multi-AP Coordinated Transmission
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Solution Overview
Problem
Existing wireless LAN systems are limited to coordinating transmission via APs of the same owner or installer, making it difficult to execute coordinated transmission via arbitrary access points around a communication terminal, especially in unstable environments.
Innovation Solution
A wireless communication terminal that includes a communication control section to set up coordinated transmission among multiple wireless communication apparatuses, allowing selection and coordination of APs from different service providers to enhance signal reception.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If coordinated transmission is limited to APs of the same owner or installer, then system management is simplified, but the ability to execute coordinated transmission via arbitrary APs is reduced
Solution Approach 1:
The access point is designed with dual functionality: it can operate as both a coordinated transmission AP (receiving coordination information from the terminal) and a non-coordinated transmission AP (operating independently). This universal design allows the terminal to select from a broader pool of APs for coordinated transmission while maintaining simple operation for APs that don't participate in coordination, thus resolving the contradiction between versatility and complexity
2Reliability
If the terminal uses only one AP for association, then the association process is simple, but the content delivery becomes unstable in environments with unstable coupling
Solution Approach 1:
The terminal performs preliminary actions by identifying multiple candidate APs and selecting one as the coordinated transmission AP before actual content delivery begins. The terminal stores coordination information including the AP's identification and transmission parameters in advance. This preliminary setup enables the terminal to switch to coordinated transmission mode when the primary AP connection becomes unstable, improving delivery reliability while keeping the complexity manageable through advance preparation
Solution Approach 2:
The system dynamically switches between single-AP mode and multi-AP coordinated transmission mode based on connection stability. The terminal monitors the coupling stability with the associated AP and activates coordinated transmission when instability is detected. This dynamic adaptation allows the system to maintain simple operation under good conditions while automatically engaging more complex coordinated transmission when needed, resolving the contradiction between reliability improvement and complexity increase
Data Source
AI summary
The present technology relates to a wireless communication terminal and a wireless communication method that make it possible to execute coordinated transmission via a desired access point. The wireless communication terminal starts setting up the coordinated transmission in order to cause a plurality of wireless communication apparatuses to execute the coordinated transmission. The present technology is applicable to a wireless communication system.