Smart Buffer Memory Device for Automotive Sensing Data Prioritization

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Solution Overview

Problem

Conventional memory devices for automotive electronics cannot provide sufficient data processing and transmission speeds without increasing cost or size, and they lack efficient data transmission channels to handle the large volume of sensing data from sensors like image sensors, radars, and lidars.

Innovation Solution

A memory device with a smart buffer that classifies sensing data based on importance using a priority setting unit and allocates channels accordingly, allowing for dynamic allocation between high-speed and low-speed memory areas to optimize data processing and transmission.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Productivity

If conventional memory devices use uniform data transmission channels, then device structure is simple, but data processing speed and transmission speed are insufficient for large volume sensing data

Engineering Contradiction:

Improvedata processing speedVSAvoidchannel allocation complexity

Core Design Contradiction:

ProductivityVSDevice complexity

Solution Approach 1:

The patent divides the general memory area into first and second memory areas, and segments data transmission channels into first channel groups and second channel groups. The smart buffer classifies sensing data into first priority sensing data and second priority sensing data, assigning different channel groups to different memory areas based on data priority, thereby enabling differentiated data processing speeds without requiring complete channel redesign

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

The patent implements dynamic channel allocation where the smart buffer can flexibly assign first channel groups or second channel groups to first or second memory areas based on real-time data priority classification. This dynamic assignment allows the system to adapt channel resources to varying data processing demands, improving overall data processing speed while maintaining manageable device complexity

Inventive Principle:

Principle #15Dynamics

2Quantity of substance

If memory device increases data transmission channels to handle large volume sensing data, then data transmission capacity increases, but device size and cost increase

Engineering Contradiction:

Improvedata transmission capacityVSAvoiddevice size

Core Design Contradiction:

Quantity of substanceVSVolume of moving object

Solution Approach 1:

The patent makes existing data transmission channels multi-functional by enabling dynamic assignment of channel groups to different memory areas based on data priority. The same physical channels can serve different memory areas at different times, effectively increasing data transmission capacity without proportionally increasing the number of physical channels or device size

Inventive Principle:

Principle #6Universality (Multi-functionality)

Solution Approach 2:

The patent changes the operational parameters of data transmission channels by introducing priority-based channel grouping and dynamic assignment. Instead of increasing channel quantity, the system optimizes channel utilization by adjusting assignment parameters (which channel group serves which memory area), thereby increasing effective data transmission capacity without increasing device size

Inventive Principle:

Principle #35Parameter changes

3Speed

If memory device allocates equal channels to all memory areas, then channel allocation is simple, but data transmission speed cannot be optimized for different data priorities

Engineering Contradiction:

Improvedata transmission speedVSAvoidchannel allocation mechanism

Core Design Contradiction:

SpeedVSDevice complexity

Solution Approach 1:

The patent applies different channel allocation strategies to different memory areas based on local requirements. First priority sensing data can be assigned to first channel groups with higher transmission speed when stored in first memory area, while second priority sensing data uses second channel groups when stored in second memory area. This local differentiation optimizes data transmission speed for each data type without requiring complete system redesign

Inventive Principle:

Principle #3Local quality

Solution Approach 2:

The smart buffer acts as an intermediary between sensing data and memory areas, performing priority classification and channel group assignment. This intermediary component manages the complexity of channel allocation centrally, allowing different memory areas to benefit from optimized channel assignment without each area needing independent complex allocation logic

Inventive Principle:

Principle #24Intermediary (Mediator)

Data Source

PatentUS11157425B2Memory device, memory system including memory device and vehicle-based system including memory system

Publication Date: 2021.10.26 SAMSUNG ELECTRONICS CO LTD

AI summary

A memory device provides a first memory area and a second memory area. A smart buffer includes; a priority setting unit receiving sensing data and a corresponding weight, determining a priority of the sensing data based on the corresponding weight, and classifying the sensing data as first priority sensing data or second priority sensing data based on the priority, and a channel controller allocating a channel to a first channel group, allocating another channel to a second channel group, assigning the first channel group to process the first priority sensing data in relation to the first memory area, and assigning the second channel group to process the second priority sensing data in relation to the second memory area.