Multi-Hop Transmission Configuration for Low-Delay Relay Forwarding
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Solution Overview
Problem
The existing method of configuring transmission resources in multi-hop wireless communication systems using higher layer protocol stacks leads to increased forwarding delays, which is not conducive to low-delay service transmission.
Innovation Solution
A centralized configuration indication method is employed to schedule multi-hop transmission parameters, allowing the relay apparatus to avoid processing at higher protocol layers, thereby reducing forwarding delays.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If multiple pieces of indication information are transmitted to support multi-functional operations, then the adaptability and functionality of the terminal are improved, but the overhead signaling and system complexity increase
Solution Approach 1:
The patent combines multiple configuration indication methods into a unified signaling framework where a first configuration indication and a second configuration indication can be transmitted together to simultaneously support multiple operations (e.g., semi-persistent channel access and configured grant uplink). This merging approach allows the system to achieve multi-functional operation support while managing overhead signaling through coordinated transmission rather than separate independent signaling procedures.
Solution Approach 2:
The patent creates a universal configuration indication mechanism that can handle multiple types of operations through a single unified signaling structure. The indication information is designed to be multi-functional, capable of supporting different channel access operations, uplink transmissions, and resource allocations through the same signaling pathway, thereby reducing the need for operation-specific separate signaling and lowering overall system complexity.
2Reliability
If configuration indication information is transmitted for each operation, then the measurement precision and operation reliability are improved, but the time delay and processing overhead increase
Solution Approach 1:
The patent employs preliminary action by transmitting configuration indication information in advance before the actual operations need to be executed. The first configuration indication and second configuration indication are provided beforehand to enable the terminal to prepare and configure its operations ahead of time, ensuring reliable operation execution while reducing time delay during actual operation. This advance configuration allows the system to maintain high reliability without incurring significant time penalties during operational execution.
Data Source
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AI summary
This application provides a configuration indication method and a communication apparatus. The method includes: obtaining first control information, where the first control information indicates a configuration of M-hop data transmission between a first apparatus and a target apparatus, the M-hop data transmission is used to transmit first data, the M-hop transmission includes transmission between the first apparatus and a second apparatus, the first control information includes first information, second information, and third information, the first information indicates a configuration used to transmit the first data between the first apparatus and the second apparatus, the second information indicates a configuration of (M-1)-hop transmission, the (M-1)-hop transmission is (M-1)-hop transmission other than the transmission between the first apparatus and the second apparatus in the M-hop transmission, the third information indicates a configuration required by the target apparatus to receive the first data, and M is an integer greater than 1; and sending the first control information to the second apparatus. According to the method described in this application, multi-hop transmission resource configurations are scheduled in a centralized manner, to reduce a forwarding delay of a relay apparatus.