QoS-Based Packet Duplication for 5G V2X Reliability
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Solution Overview
Problem
Current 5G wireless communication systems face challenges in efficiently transmitting packets due to increased data traffic and propagation losses, particularly in higher frequency bands, where existing methods like packet duplication technology are not fully optimized for reliability and efficiency.
Innovation Solution
The proposed solution involves an apparatus and method where a transmitter determines whether to duplicate packets based on quality of service (QoS) information or service type, and if so, transmits duplicated packets to a receiver, while the receiver processes these packets for reordering or discards duplicates, enhancing packet transmission reliability and efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If packet duplication is performed to improve transmission reliability, then packet loss rate decreases, but transmission efficiency and resource utilization deteriorate
Solution Approach 1:
The patent changes the parameter of packet duplication from a static always-on mechanism to a dynamic parameter controlled by QoS information and service types. The transmitter determines whether to duplicate packets based on QoS parameters such as packet delay budget, packet error loss rate, and priority levels, thereby optimizing the balance between reliability and transmission efficiency for different service requirements
Solution Approach 2:
The patent introduces dynamic control of packet duplication through QoS-based decision-making. The system continuously evaluates QoS information and service types to dynamically adjust duplication behavior, transitioning from static resource allocation to adaptive resource management that responds to changing network conditions and service requirements
2Reliability
If packet duplication is performed through different paths to improve reliability, then data loss prevention improves, but system complexity and path management overhead increase
Solution Approach 1:
The patent segments the packet transmission process by creating separate duplicate packet streams that can be transmitted through different paths. Each duplicate packet is independently managed but coordinated through QoS control, allowing the system to handle multiple paths through structured segmentation rather than monolithic path management
Solution Approach 2:
The patent implements feedback mechanisms where the transmitter monitors transmission status and QoS metrics to dynamically adjust duplication and path selection. The receiver provides feedback on packet reception status, enabling the transmitter to optimize path usage and reduce management complexity through adaptive control based on actual network conditions
Data Source
AI summary
The present disclosure relates to a pre-5th-Generation (5G) or 5G communication system to be provided for supporting higher data rates Beyond 4th-Generation (4G) communication system such as Long Term Evolution (LTE). The present disclosure provides an apparatus and method for efficiently transmitting a packet in a wireless communication system. The present disclosure provides an operation method for a transmitter in a wireless communication system, the operation method comprising the steps of: mapping a parameter according to quality of service (QoS) information or a service type; determining, on the basis of the parameter, whether to duplicate a packet; when it is determined that the packet is to be duplicated, duplicating the packet; and transmitting the duplicated packets to a receiver.