User Equipment Dynamic Parameter Adjustment for V2X Interference

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Solution Overview

Problem

In areas not covered by network infrastructure signals, existing ProSe communication technologies face challenges in maintaining reliable and efficient vehicle-to-everything (V2X) communication, particularly in terms of admission rate and transmission reliability due to interference from other user equipment.

Innovation Solution

User equipment is equipped with a processing circuit that autonomously adjusts parameters such as clear channel assessment thresholds, transmission frequency, and signal power based on acquired reference information and sensed signal intensity to optimize communication performance, even in areas without network coverage.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If user equipment transmits signals at high power in areas without network coverage, then transmission reliability improves, but interference to other user equipment increases

Engineering Contradiction:
Improvetransmission reliabilityVSAvoidinterference to other user equipment
Core Design Contradiction:
ReliabilityVSObject-generated harmful factors

Solution Approach 1:

The patent implements dynamic parameter adjustment where user equipment continuously monitors signal intensity and autonomously adjusts transmission parameters (power, frequency, clear channel assessment thresholds) based on real-time interference conditions. This dynamic adaptation allows the system to maintain reliable communication while minimizing interference to other devices in the area.

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The user equipment performs self-configuration and autonomous parameter adjustment without requiring network infrastructure. The device independently senses signal intensity, determines interference levels, and adjusts its transmission parameters accordingly, enabling it to serve itself in areas without network coverage while considering the impact on other devices.

Inventive Principle:
Principle #25Self-service

2Device complexity

If user equipment uses fixed transmission parameters, then device complexity is reduced, but admission rate and transmission reliability deteriorate in varying interference conditions

Engineering Contradiction:
Improveparameter adjustment complexityVSAvoidadmission rate and transmission reliability
Core Design Contradiction:
Device complexityVSReliability

Solution Approach 1:

The user equipment autonomously adjusts its transmission parameters by independently sensing signal intensity and determining interference levels without requiring complex external control systems. This self-service approach maintains relatively simple device architecture while achieving adaptive parameter optimization for improved admission rate and transmission reliability.

Inventive Principle:
Principle #25Self-service

Data Source

PatentEP3457720B1Electronic device, system and information processing methods
Publication Date: 2022.12.14 SONY GROUP CORP
  • EP3457720B1 patent drawingFigure 1~2
  • EP3457720B1 patent drawingFigure 3~4
  • EP3457720B1 patent drawingFigure 5~6

AI summary

The present disclosure relates to an electronic apparatus, an information processing device and an information processing method. According to one embodiment, an electronic apparatus for a base station side comprises a processing circuit. The processing circuit is configured to: control a user equipment to acquire, from a base station, reference information about a signal intensity on a specific spectrum resource in a predetermined region; when the user equipment is located in the predetermined region, control the user equipment to sense the signal intensity on the specific spectrum resource; and control the user equipment to adjust, based on the reference information and the sensed signal intensity, a parameter for performing near-distance service communication in the predetermined region, so as to achieve an expected communication performance, wherein the parameter influences the access rate and/or transmission reliability of near-distance service communication.