MAC Trigger Frames for P2P Channel Resource Assessment
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Solution Overview
Problem
Existing wireless communication systems face inefficiencies in channel resource allocation for peer-to-peer (P2P) communications, particularly in bands like 6 GHz, leading to suboptimal utilization of bandwidth and data throughput.
Innovation Solution
Implementing assessment logic circuitry to facilitate resource assessment transmission opportunities (TxOP) before channel allocation, using trigger frames to gather resource assessment frames from multiple stations, allowing for efficient allocation and scheduling of P2P data transfers.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Speed
If resource allocation for P2P communications is performed without prior assessment, then channel allocation speed is improved, but spectrum efficiency and data throughput deteriorate
Solution Approach 1:
The patent implements a resource assessment phase before actual P2P data transfer, where stations evaluate channel conditions, interference levels, and resource availability in advance. This preliminary assessment enables optimized resource allocation decisions that improve spectrum efficiency while maintaining allocation speed through structured evaluation protocols.
2Reliability
If resource assessment is performed for all stations, then data transfer quality is improved, but communication overhead and processing time increase
Solution Approach 1:
The patent enables stations to perform resource assessment selectively based on local conditions such as traffic priority, channel quality indicators, and interference levels. High-priority or time-sensitive communications receive comprehensive assessment, while lower-priority traffic uses simplified assessment protocols, optimizing the balance between data transfer quality and processing time.
3Productivity
If multiple stations transmit simultaneously without coordination, then channel utilization is improved, but interference increases and reliability decreases
Solution Approach 1:
The patent implements feedback mechanisms where stations report channel conditions, interference levels, and resource usage to a coordinating entity or peer stations. This feedback enables dynamic adjustment of transmission parameters, power levels, and resource allocation to maintain high channel utilization while preventing excessive interference through coordinated resource sharing.
Data Source
AI summary
Logic to generate, by an access point (AP) station (STA), a medium access control (MAC) resource assessment trigger frame to transmit during a first transmission opportunity (TxOP), the MAC resource assessment trigger frame to allocate a portion of the first TxOP to a first STA and to request a first resource assessment from a first group of STAs for evaluation by the first STA, the first resource assessment to assess peer-to-peer (P2P) data transfers between the first group of STAs and the first STA. Logic to cause transmission of the MAC resource assessment trigger frame to the first STA and the first group of STAs. And logic to receive one or more short term resource assessment frames from the first group of STAs, the one or more short term resource assessment frames each comprising an indication of resources for a data transfer.