Multi-Link SCS Negotiation for Low-Latency Wireless Traffic
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Solution Overview
Problem
Conventional Stream Classification Service (SCS) negotiation techniques in wireless communications are inefficient, particularly for multi-link devices (MLDs), leading to restricted performance, and are not defined for peer-to-peer (P2P) communications systems.
Innovation Solution
A wireless network interface device negotiates SCS for multiple links by exchanging SCS Request and Response frames with QoS Characteristics elements to indicate requested and accepted traffic characteristics, supporting P2P communication systems.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If conventional SCS negotiation techniques are used, then the negotiation process is simple, but the negotiation efficiency is low and performance is restricted
Solution Approach 1:
The SCS negotiation process is segmented into distinct phases: capability advertisement phase where devices indicate supported P2P traffic characteristics, and negotiation phase where specific parameters are exchanged. This segmentation allows for more efficient processing by separating capability declaration from detailed parameter negotiation, resolving the contradiction between negotiation efficiency and process complexity.
Solution Approach 2:
Devices perform preliminary actions by advertising their P2P traffic characteristics capabilities before actual SCS negotiation occurs. This preliminary capability declaration enables the negotiating device to pre-determine compatible parameters and avoid inefficient trial-and-error negotiation, thereby improving negotiation efficiency without proportionally increasing process complexity.
2Adaptability or versatility
If conventional SCS negotiation is used, then the protocol is simple, but P2P communication support is lacking
Solution Approach 1:
The SCS negotiation mechanism is designed with multi-functionality to support both traditional infrastructure mode communications and peer-to-peer communications. By incorporating universal P2P capability advertisement elements and negotiation procedures, the protocol can adapt to different communication modes without requiring separate protocols, thus improving adaptability while controlling protocol complexity through unified design.
Solution Approach 2:
The protocol incorporates configurable parameters for P2P traffic characteristics including medium time allocations, bandwidth specifications, and traffic patterns. These parameters can be adjusted based on whether the communication is P2P or infrastructure mode, allowing the system to adapt to different communication types by changing parameters rather than changing the fundamental protocol structure, thereby improving versatility without excessive complexity increase.
Data Source
AI summary
Embodiments of a device, a method, and a system for transmitting low latency traffic are disclosed. In an embodiment, the device includes a wireless network interface device implemented on one or more integrated circuits (ICs), where the wireless network interface device is configured to negotiate a Stream Classification Service (SCS) for multiple links, and exchange frames on the multiple links according to the negotiated SCS.