TXOP Sharing Control for Mobile STA Multi-AP Coordination
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Solution Overview
Problem
Conventional TXOP sharing techniques in multi-access point coordination deployments are sub-optimal in RF environments with dynamic characteristics such as mobile STAs, varying traffic types, and other dynamic characteristics, leading to performance issues in wireless networks.
Innovation Solution
Implement techniques that leverage historical mobility information and signal strength data to dynamically enable or disable TXOP sharing among APs based on the RF environment, considering the mobility and traffic characteristics of client STAs.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If TXOP sharing is enabled among multiple APs, then network throughput and resource utilization are improved, but transmission reliability deteriorates in dynamic RF environments with mobile STAs
Solution Approach 1:
The system dynamically adjusts TXOP sharing configuration based on real-time RF environment conditions. The AP controller monitors mobility characteristics of STAs and traffic characteristics, then adaptively enables or disables TXOP sharing among APs. This dynamic adaptation resolves the contradiction by allowing TXOP sharing to be activated when conditions are favorable (improving throughput) while being deactivated when mobility causes reliability issues.
Solution Approach 2:
The system changes the operational parameters of TXOP sharing based on detected STA mobility patterns and traffic characteristics. By monitoring these parameters and adjusting the TXOP sharing configuration accordingly, the system optimizes the balance between throughput improvement and transmission reliability in varying RF environments.
2Productivity
If conventional TXOP sharing techniques are used, then resource utilization is improved, but performance deteriorates in environments with mobile STAs and varying traffic types
Solution Approach 1:
The system implements feedback mechanisms where the AP controller continuously monitors STA mobility characteristics and traffic characteristics. Based on this feedback, the controller dynamically adjusts the TXOP sharing configuration. This feedback loop enables the system to maintain high resource utilization while adapting to changing conditions that affect performance, resolving the contradiction between conventional fixed approaches and dynamic requirements.
Solution Approach 2:
The system transitions from static TXOP sharing configurations to dynamic ones that adapt to changing RF conditions. By continuously monitoring mobility and traffic characteristics and adjusting TXOP sharing accordingly, the system maintains optimal resource utilization while ensuring reliable performance in dynamic environments with mobile STAs and varying traffic types.
Data Source
AI summary
Techniques and systems for enhancing transmit opportunity (TXOP) sharing for multi-access point coordination (MAPC) are described. An example technique includes obtaining, for each access point (AP) of a plurality of APs in a MAPC group, historical mobility information of client stations (STAs) associated with the AP. A number of the client STAs associated with each AP that satisfies a mobility criteria is determined based on the historical mobility information. A determination of whether to enable TXOP sharing is made for each AP and an indication of the determination is transmitted to the AP. Another technique includes estimating traffic demand for a first set of client STAs associated with an AP. A second set of client STAs to make available for TXOP sharing is determined. Signal strength information associated with a communication link between each client STA in the second set and the AP is transmitted.