Wireless Terminal LL Queue Segmentation for Real-Time Latency

Resolve Bottlenecks,
Find Innovative SolutionsGenerate Solutions

Solution Overview

Problem

Existing wireless LAN systems struggle to maintain low latency for real-time applications due to VO transmission queues being overwhelmed by large data, leading to potential data discard and increased latency.

Innovation Solution

Implementing multiple Low Latency (LL) transmission queues with varying latency conditions within a terminal apparatus to prioritize and manage real-time data transmission, separate from standard VO queues, ensuring strict latency requirements are met.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Speed

If data regarding real-time nature is input in a VO transmission queue, then transmission priority is improved, but latency cannot be suppressed to a low level due to other VO data occupying the queue

Engineering Contradiction:

Improvetransmission priorityVSAvoidlatency

Core Design Contradiction:

SpeedVSLoss of time

Solution Approach 1:

The transmission queue is segmented into multiple LL transmission queues (LL1, LL2, LL3) with different latency conditions, separating real-time data from other VO data. This segmentation allows real-time data to be transmitted without being blocked by other VO data, resolving the contradiction between transmission priority and latency suppression.

Inventive Principle:

Principle #1Segmentation

2Speed

If large-size real-time data is assigned to a VO transmission queue, then transmission priority is improved, but data may be discarded due to limited queue size

Engineering Contradiction:

Improvetransmission priorityVSAvoiddata delivery guarantee

Core Design Contradiction:

SpeedVSReliability

Solution Approach 1:

Multiple LL transmission queues with different queue sizes and latency conditions are created to accommodate different sizes of real-time data. Large-size real-time data can be assigned to queues with larger capacity, preventing data discard while maintaining high transmission priority.

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

Each LL transmission queue is configured with specific local qualities (latency conditions and queue sizes) matched to the characteristics of the data it handles. This allows optimal matching between data requirements and queue capabilities, ensuring both priority transmission and reliable delivery.

Inventive Principle:

Principle #3Local quality

3Device complexity

If a single VO transmission queue is used for all VO data, then queue management is simplified, but real-time data cannot be prioritized differently from other VO data

Engineering Contradiction:

Improvequeue management complexityVSAvoiddata prioritization capability

Core Design Contradiction:

Device complexityVSAdaptability or versatility

Solution Approach 1:

The single VO transmission queue is segmented into multiple LL transmission queues, each capable of handling specific types of real-time data with different latency requirements. This segmentation provides fine-grained prioritization capability while maintaining relatively simple queue management through standardized access procedures.

Inventive Principle:

Principle #1Segmentation

Data Source

PatentUS12634987B2Terminal apparatus, communication method, and communication program

Publication Date: 2026.05.19 NT T INC

AI summary

A terminal (20) includes a transmission control unit (203). The transmission control unit (20) sets a plurality of LL transmission queues (113_LL1, 113_LL2, 113_LL3), into each of which is input low latency data, regarding which latency conditions relating to latency are stricter than predetermined latency conditions. The latency conditions demanded of the low latency data that is input are different from each other among the plurality of LL transmission queues (113_LL1, 113_LL2, 113_LL3).