Terminal Random Access Data Buffering and Regeneration

Resolve Bottlenecks,
Find Innovative SolutionsGenerate Solutions

Solution Overview

Problem

In scenarios with low random access success rates, existing technologies fail to effectively manage data processing between consecutive two-step random access procedure attempts, leading to inefficiencies and potential data loss.

Innovation Solution

A method is introduced to handle data processing between consecutive random access attempts by buffering and regenerating data content based on transmission resource size changes, ensuring reliable data transmission through HARQ processes or lower layer transmission.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If a terminal continuously initiates random access procedure attempts in scenarios with low random access success rate, then the probability of eventual access success increases, but data loss increases due to lack of data processing management between attempts

Engineering Contradiction:

Improverandom access success rateVSAvoiddata loss rate

Core Design Contradiction:

ReliabilityVSLoss of information

Solution Approach 1:

The terminal performs preliminary actions by buffering data content before random access attempts and regenerating data content between attempts. This ensures data is preserved and ready for transmission when access succeeds, preventing data loss during continuous retry scenarios

Inventive Principle:

Principle #10Preliminary action

Solution Approach 2:

A data processing management mechanism acts as an intermediary between consecutive random access attempts. This intermediary buffers and manages data content, ensuring data integrity is maintained while the terminal continuously attempts access to improve success probability

Inventive Principle:

Principle #24Intermediary (Mediator)

2Adaptability or versatility

If transmission resource size changes between random access attempts, then resource allocation adapts to current conditions, but data processing complexity increases

Engineering Contradiction:

Improveresource allocation adaptabilityVSAvoiddata processing complexity

Core Design Contradiction:

Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The data processing mechanism dynamically adapts to changing transmission resource sizes between random access attempts. The terminal regenerates data content based on current resource availability, allowing flexible adaptation to varying network conditions while maintaining manageable processing complexity through systematic approaches

Inventive Principle:

Principle #15Dynamics

Data Source

PatentEP3855852B1Random access method and terminal

Publication Date: 2025.12.31 VIVO MOBILE COMM CO LTD

Figure 1~3
Figure 4~6
Figure 7

AI summary

This disclosure provides a random access method and a terminal. The method includes: sending first data in first data content in an ith random access procedure, where the first data content is data content buffered in an (i-1)th random access procedure, at least one of the ith random access procedure and the (i-1)th random access procedure is a two-step random access procedure, and i is an integer greater than 1.