Wireless Device Negotiation for Coordinated Medium Access
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Solution Overview
Problem
In wireless local area networks (WLANs), especially in unmanaged scenarios without a central controller, neighboring Basic Service Sets (BSSs) often contend for medium access, leading to interference and inefficient use of resources.
Innovation Solution
The method involves a negotiation between wireless devices to coordinate medium access periods. A first wireless device requests negotiation with a second wireless device, and they exchange responses to agree on medium access periods, ensuring compliance and reducing interference.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If wireless devices contend for medium access in unmanaged scenarios, then device autonomy and ease of operation are improved, but interference increases and resource utilization efficiency deteriorates
Solution Approach 1:
The patent changes the access parameter from random contention to negotiated time-based access. Devices transition from uncontrollable random access to structured access during negotiated medium access periods, transforming the access pattern parameter to resolve the contradiction between autonomy and efficiency
Solution Approach 2:
The patent implements dynamic medium access period negotiation where devices can request, negotiate, and adjust their access periods based on current network conditions and traffic requirements. This dynamic adjustment allows the system to adapt between autonomous operation and coordinated efficiency
2Productivity
If wireless devices negotiate medium access periods, then interference is reduced and resource utilization improves, but device complexity and communication overhead increase
Solution Approach 1:
The patent segments the medium access coordination into distinct phases: request phase, negotiation phase, and execution phase. By dividing the complex negotiation process into manageable segments with specific purposes, the protocol complexity is reduced while maintaining effective resource coordination
Solution Approach 2:
The patent performs preliminary medium access period negotiation before actual data transmissions occur. Devices exchange requests and agreements in advance, establishing the access schedule beforehand, which simplifies the actual transmission phase and reduces real-time complexity
3Object-affected harmful factors
If medium access periods are negotiated between neighboring BSSs, then interference between BSSs is reduced, but the complexity of medium access coordination increases
Solution Approach 1:
The patent extracts the coordination function from individual device complexity by implementing a standardized negotiation protocol that handles BSS-level coordination separately from device-level operations. The complex coordination logic is isolated in the negotiation phase, allowing devices to maintain simpler operational complexity during actual transmissions
Data Source
AI summary
This disclosure provides methods, components, devices and systems for negotiation for coordinated medium access between wireless devices. Some aspects more specifically relate to techniques for negotiation between wireless devices for medium access. In some examples, wireless devices may transmit requests and responses to negotiate for conflicting medium access periods between wireless devices, where the wireless devices may be in different basic service sets (BSSs). For example, wireless devices such as wireless access points (APs) may broadcast a reservation of medium access periods. In some examples, a first wireless device may transmit a request to negotiate medium access periods with a second wireless device, and the second wireless device may transmit a response to the request. For example, the request to negotiate may request that the wireless devices mutually honor or respect (for example, comply with) one or more of the medium access period reservations of each wireless device.