Wi-Fi Multi-Link Capability Indication via Segmented Bits
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Solution Overview
Problem
Current Wi-Fi technologies face challenges in indicating support for mobile access point multi-link device functions and determining the primary communication link in Non-Simultaneous Transmit and Receive (NSTR) mode, particularly in scenarios involving multiple frequency bands and low-latency transmission.
Innovation Solution
A wireless communication method and device that determine and send a message frame with identifier information bits to indicate support for mobile access point multi-link device functions, and determine the primary communication link within an NSTR link pair by using reserved bits in the MLD capability information subfield of the message frame.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If Wi-Fi technology uses multiple frequency bands and multi-link aggregation to improve transmission rate and throughput, then the transmission capability is enhanced, but the complexity of indicating multi-link capabilities and determining primary communication links increases
Solution Approach 1:
The capability indication is segmented into separate information bits within the capability information field. Specifically, the multi-link capability indication is divided into multiple independent bits, where each bit corresponds to a specific frequency band or link type. This segmentation allows the system to indicate support for multiple links across different frequency bands without requiring complex signaling mechanisms, thereby resolving the contradiction between improved transmission capability and increased indication complexity.
2Productivity
If Wi-Fi technology aggregates multiple frequency bands to improve throughput, then the data transmission capacity increases, but the difficulty of detecting and measuring multi-link capabilities increases
Solution Approach 1:
The capability indication mechanism uses distinct information bits (analogous to different colors) to represent different multi-link capabilities. Each bit position in the capability information field corresponds to a specific frequency band or link aggregation mode. This bit-based encoding scheme makes it easy for stations to detect and measure multi-link capabilities by simply reading the relevant bits, eliminating the need for complex detection procedures while supporting multiple frequency bands.
3Productivity
If Wi-Fi technology implements multi-link device functions to improve transmission performance, then the communication efficiency is enhanced, but the device complexity increases
Solution Approach 1:
The capability information field is designed with universal multi-functionality to support various multi-link scenarios. The information bits in this field can indicate support for different frequency bands (2.4 GHz, 5 GHz, 6 GHz), different link aggregation modes, and different station types (AP, non-AP). This universal design allows a single field structure to handle multiple functions and scenarios, enhancing communication efficiency without requiring separate indication mechanisms for each case, thereby avoiding increased device complexity.
Data Source
AI summary
Embodiments of the present invention relate to the technical field of mobile communication, and provides a wireless communication method and apparatus, a device and a storage medium, which can be applied to a station device supporting multi-connection. The method comprises: determining a first message frame which comprises an identifier information bit, the identifier information bit indicating that the station device supporting multi-connection supports a mobile multi-connection access point capability; and sending the first message frame to the first station device. The wireless communication method provided by the embodiments of the present invention can be used for informing the first station device that the station device currently supporting multi-connection supports the mobile multi-connection access point capability, and has high applicability.