P2P Link QoS Element for Time Resource Allocation
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Solution Overview
Problem
Current wireless communication technologies, particularly in WLAN and cellular networks, face challenges in efficiently reporting information on peer-to-peer (P2P) links, which hinders accurate time resource allocation and throughput improvement.
Innovation Solution
The method involves generating and sending a Quality of Service (QoS) characteristics element that includes a control information field with a direction subfield indicating a P2P link, allowing the physical layer rate of the P2P link to be reported, enabling the access point (AP) to reuse uplink and downlink time allocation algorithms and extend the P2P link to a multi-link configuration for enhanced transmission efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If P2P link information is not reported accurately, then the system complexity remains low, but the time resource allocation accuracy deteriorates
Solution Approach 1:
The patent introduces an Access Point (AP) as an intermediary to collect and manage P2P link information from non-AP STAs. The AP receives QoS characteristic elements containing P2P link parameters, processes this information centrally, and uses it for time resource allocation. This intermediary approach enables accurate P2P link information reporting without requiring complex distributed coordination mechanisms among P2P devices themselves.
2Productivity
If traditional time allocation algorithms are used for P2P links, then the implementation is simple, but the transmission efficiency deteriorates
Solution Approach 1:
The patent extends the existing uplink and downlink time allocation algorithms to handle P2P link scenarios. By reusing and adapting these proven algorithms for P2P communication, the system achieves improved transmission efficiency without developing entirely new complex allocation mechanisms. The AP applies the same fundamental time allocation principles used for AP-STA communication to P2P link time resources.
3Productivity
If P2P links are limited to single-link configuration, then the system complexity remains low, but the throughput deteriorates
Solution Approach 1:
The patent divides the P2P communication system into multiple independent links between non-AP STAs, allowing simultaneous P2P transmissions on different links. Each P2P link can be configured and managed independently, enabling parallel data flows between different STA pairs. This segmentation approach multiplies the overall throughput capacity while maintaining manageable complexity through independent link management.
Data Source
AI summary
The present disclosure relates to the field of wireless communication, is applied to a wireless local area network supporting the 802.11 series standards, for example, the 802.11be (EHT) standard, and particularly relates to an information indication method for a P2P link and a related apparatus. The method includes: A STA/non-AP MLD sends a QoS characteristics element to an AP/AP MLD, where the QoS characteristics element carries first indication information indicating a physical layer rate of a P2P link, and a direction subfield in the QoS characteristics element indicates that a data direction is the P2P link. According to embodiments of the present disclosure, an AP side may reuse uplink and downlink time allocation algorithms.