Wireless Station Centralized Operation Mode Coordination
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Solution Overview
Problem
Current wireless communication systems, particularly in crowded environments, face reduced throughput due to the autonomous and distributed selection of operation parameters by wireless stations, leading to inefficient use of channels and transmission power, especially with the increasing number of wireless modules and terminals.
Innovation Solution
A wireless communication system where wireless stations share environment information with a control device to determine and set optimal operation modes for each module based on capacity and environmental data, allowing for coordinated channel usage and connection management to enhance system throughput.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If wireless stations autonomously select operation parameters in a distributed manner, then device complexity is reduced and ease of operation is improved, but system throughput deteriorates in crowded environments due to inefficient channel and power usage
Solution Approach 1:
An access point acts as an intermediary that collects environment information from multiple wireless stations, determines optimal operation modes centrally, and notifies stations of the determined modes. This mediator approach resolves the contradiction by maintaining autonomous operation for stations while introducing centralized coordination to improve system throughput in crowded environments.
2Adaptability or versatility
If the number of wireless modules and terminals increases, then adaptability and service coverage are improved, but channel utilization efficiency deteriorates leading to reduced throughput
Solution Approach 1:
Wireless stations notify the access point of environment information including capacity information and surrounding wireless environment data. The access point uses this feedback to determine appropriate operation modes for each station, enabling efficient channel utilization even as the number of wireless modules and terminals increases.
3Ease of operation
If wireless stations use CSMA/CA control for autonomous access, then ease of operation is maintained, but transmission speed and throughput are reduced due to collision avoidance mechanisms
Solution Approach 1:
The access point performs preliminary determination of operation modes based on environment information before wireless stations attempt transmission. By pre-coordinating channel access and power settings, the system reduces collisions and wait times associated with CSMA/CA, thereby improving transmission speed while maintaining autonomous access characteristics.
Data Source
AI summary
A wireless communication system in which wireless stations perform transmission, a plurality of wireless modules that are operated in a shared frequency band being installed in the wireless stations, wherein the wireless stations each include means for notifying a control device of environment information that includes capacity information regarding the wireless station and information regarding a surrounding wireless environment, the control device includes means for determining an operation mode of each wireless module of each wireless station based on the environment information collected from each wireless station, following a control guideline that is determined in advance, and notifying the wireless stations of the operation modes, and the wireless stations each include means for setting the operation modes in the plurality of wireless modules and changing connection of connection destination wireless stations according to the operation modes of the wireless modules, the wireless stations being notified of the operation modes by the control device.