Proportional backoff of channel access for low-latency transmissions in wireless communications

EP4759051A1Pending Publication Date: 2026-06-17MEDIATEK INC
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Patent Information

Authority / Receiving Office
EP · EP
Patent Type
Applications
Current Assignee / Owner
MEDIATEK INC
Filing Date
2025-02-21
Publication Date
2026-06-17

AI Technical Summary

Technical Problem

Legacy EDCA mechanisms in wireless communications, such as Wi-Fi and WLANs, fail to ensure timely and reliable low-latency transmissions due to random backoff counters, interruptions by other stations, and inefficient medium usage, leading to increased latency and reduced reliability.

Method used

Implementing a proportional backoff mechanism with deferred counters and high-priority requests and responses to manage channel access, ensuring timely delivery of latency-sensitive traffic by prioritizing channel access based on delay bounds and quality of service profiles.

Benefits of technology

Enhances the delivery of latency-sensitive traffic before its delay bound, improving reliability and reducing latency by preventing non-high-priority stations from accessing the channel during critical transmission times.

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Abstract

Techniques pertaining to proportional backoff of channel access for low-latency transmissions in wireless communications are described. An apparatus, as a station (STA), obtains an access to a channel according to a channel access prioritization by performing a proportional backoff. The apparatus then transmits a latency-sensitive traffic on the channel.
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