Multi-Link WLAN Access with Synchronized TXOP Transmission
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Solution Overview
Problem
Existing wireless communication technologies face challenges in achieving high throughput and low latency in multi-link WLAN networks, particularly with the increasing demand for video and real-time applications, while maintaining compatibility with older standards and optimizing power efficiency.
Innovation Solution
A method for competitively accessing a multi-link WLAN network by monitoring link idle states, performing random backoff processes, and synchronizing Transmission Opportunity (TXOP) durations across multiple links to enhance data transmission efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If multiple data transmission links are established between terminal and access point for synchronous transmission, then transmission rate increases, but device complexity increases
Solution Approach 1:
The patent divides the data transmission system into multiple independent links (first link, second link, third link, etc.), each capable of simultaneous data transmission. By segmenting the transmission channels and coordinating their operation through synchronized TXOP allocation, the system achieves higher aggregate throughput while managing complexity through structured link management
Solution Approach 2:
The patent implements dynamic TXOP (Transmission Opportunity) allocation across multiple links based on real-time channel conditions and data availability. The terminal and access point dynamically adjust which links are active and their respective TXOP durations, enabling flexible adaptation to varying network conditions while maintaining synchronized transmission for high throughput applications
2Loss of time
If TXOP of other links is set according to TXOP of first link and transmission start time for synchronous transmission, then latency is reduced, but device complexity increases
Solution Approach 1:
The patent performs preliminary TXOP allocation and synchronization setup before actual data transmission begins. The terminal and access point pre-coordinate transmission start times and TXOP durations across multiple links, ensuring that all links are ready for synchronous transmission. This preliminary coordination reduces latency by eliminating setup delays during actual data transfer
Solution Approach 2:
The patent implements feedback mechanisms where the terminal and access point monitor transmission progress and channel conditions across multiple links. Based on this feedback, they dynamically adjust TXOP allocation and synchronization timing to maintain optimal performance, reducing latency through adaptive coordination while managing complexity through standardized feedback protocols
3Productivity
If random backoff process is performed on multiple links, then network competitiveness is improved, but use of energy increases
Solution Approach 1:
The patent applies random backoff processes selectively rather than uniformly across all links and all transmission opportunities. Backoff is applied only when necessary to resolve conflicts or when channel conditions warrant it, while other transmissions proceed with coordinated TXOP allocation. This partial application of backoff maintains network competitiveness through conflict resolution when needed while reducing overall energy consumption by avoiding unnecessary backoff operations
Data Source
AI summary
This present disclosure discloses a method for competitively accessing a multi-link WLAN network and apparatus, a terminal and a storage medium. The method includes: monitoring whether links are idle; in a case that a first link is idle, performing a random backoff process on the first link after interframe space period, and starting to transmit data on the first link when the backoff process is ended; and in a case that other links are idle before the first link finishes data transmission, setting TXOP of other links according to TXOP of the first link and time when data transmission starts, and transmitting data on other links.