Point Cloud Transmission Parameter Adjustment in Wireless Systems
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Solution Overview
Problem
Current wireless communication systems face challenges in efficiently managing and transmitting point clouds over 5G networks, particularly in scenarios where network capacity is limited, leading to degraded media quality and network overload.
Innovation Solution
A method and device for dynamically adjusting point cloud transmission parameters, including direction and space parameters, based on channel state and network conditions, to optimize compression and transmission, using a message negotiation protocol between transmission and reception UEs to ensure efficient data transfer and maintain media quality.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If point cloud transmission is performed with high media quality, then media quality is improved, but network capacity is exceeded causing network overload
Solution Approach 1:
The patent applies dynamic adjustment of transmission parameters including spatial resolution, temporal resolution, and bitrate based on real-time network conditions. The system continuously monitors network capacity and adapts the point cloud transmission quality accordingly, transitioning between different compression levels and parameter sets to maintain optimal balance between media quality and network load.
Solution Approach 2:
The system changes multiple transmission parameters simultaneously including spatial resolution, temporal resolution, bitrate, and compression settings. By adjusting these parameters dynamically based on network conditions, the system can maintain acceptable media quality while adapting to varying network capacity constraints.
2Productivity
If point cloud transmission parameters are adjusted dynamically, then network capacity utilization is optimized, but system complexity increases
Solution Approach 1:
The patent implements feedback mechanisms where the receiving UE sends quality feedback and network condition information back to the transmitting UE. This feedback loop enables automatic adjustment of transmission parameters without complex manual configuration, reducing the perceived system complexity while maintaining optimized network capacity utilization.
Solution Approach 2:
The system enables self-adjusting transmission where the transmitting UE automatically modifies its own transmission parameters based on received feedback and monitored network conditions. This self-service capability reduces the need for complex external control mechanisms while achieving optimal network capacity utilization.
3Reliability
If spatial and temporal resolution of point cloud are increased, then media quality is improved, but data transmission volume increases causing network overload
Solution Approach 1:
The patent segments the point cloud data into spatial and temporal components that can be independently controlled and transmitted at different resolutions. By separating these dimensions, the system can maintain high spatial resolution for visual quality while reducing temporal resolution to decrease data volume, or vice versa depending on network conditions.
Solution Approach 2:
The system applies different quality levels to different regions or time periods of the point cloud data. High spatial and temporal resolution is applied only where necessary for media quality, while lower resolution is used in other regions, optimizing the balance between media quality and data transmission volume.
Data Source
AI summary
The present disclosure relates to a method and device for controlling transmission or reception of data in a wireless communication system, an operating method of a transmission user equipment (UE) in a wireless communication system including: obtaining a point cloud by photographing an object; transmitting, to a reception UE, a message including a parameter for transmission and reception of the point cloud, wherein the parameter for transmission and reception of the point cloud includes at least one of a parameter associated with a direction of the object or a space parameter associated with the object; receiving, from the reception UE, a response message including an application parameter of the reception UE, wherein the application parameter of the reception UE is determined based on the parameter for transmission and reception of the point cloud and a channel state of the reception UE; compressing the point cloud, based on the application parameter of the reception UE, and transmitting, to the reception UE, the compressed point cloud.