DRB Packet Duplication in IAB Uplink Communication
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Solution Overview
Problem
The challenge of applying data radio bearer duplication in an integrated access and backhaul (IAB) system has not been effectively addressed in the industry.
Innovation Solution
The method involves receiving configuration information and transmitting configuration information associated with duplication for data radio bearer between a terminate node and a donor node; and in response to the duplication for data radio bearer being activated, transmitting a set of original packets and a set of duplicate packets in up link.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a device attempts to detect and respond to all types of communication signals (voice, text, video, notifications) simultaneously, then the device's functionality and adaptability improve, but the device's complexity and computational resource requirements increase significantly
Solution Approach 1:
The system segments communication handling into separate specialized processes: a first process dedicated to voice communications and a second process dedicated to text/video notifications. Each process independently monitors its designated communication type without interfering with the other, dividing the complex task of handling all communications into manageable, specialized components.
Solution Approach 2:
The processor acts as an intermediary that receives communication indications from different sources (first communication for voice, second communication for text/video) and routes them to appropriate handling processes. This intermediary routing mechanism allows the system to manage multiple communication types through a centralized coordination point, reducing overall system complexity.
2Reliability
If voice communication is prioritized over text/video notifications, then call connection reliability improves, but text/video notification responsiveness may deteriorate
Solution Approach 1:
The system separates voice communication handling from text/video notification handling into distinct processes. The first process exclusively manages voice communications with high priority, while the second process manages text and video notifications independently. This segmentation ensures that voice communications receive dedicated resources and cannot be delayed by notification processing, while notifications are handled without interfering with voice calls.
Solution Approach 2:
The system changes the priority parameter dynamically based on communication type. When voice communication is detected, the first process is assigned high priority to ensure immediate connection. When text or video notifications are detected, the second process handles them with appropriate priority levels that do not interfere with ongoing voice communications. This parameter adjustment resolves the contradiction by adapting priority levels to communication requirements.
Data Source
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AI summary
Embodiments of the present disclosure relate to methods and apparatuses for duplication communication. According to an embodiment of the present disclosure, a method includes: receiving configuration information associated with duplication for data radio bearer (DRB) between a terminate node and a donor node; and in response to the duplication for data radio bearer being activated, transmitting a set of original packets and a set of duplicate packets in up link. Embodiments of the present disclosure solve issues about applying a DRB duplication mechanism in an integrated access and backhaul (lAB) system, which can improve and facilitate the implementation of the lAB system.