Time Domain Resource Allocation Indication for 5G NR
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Solution Overview
Problem
In wireless communication networks, particularly in 5G/NR, the existing methods for indicating time domain resource allocation in control information are inefficient, leading to redundant data transmission and potential limitations in system performance and energy efficiency.
Innovation Solution
The proposed solution involves utilizing indication information of time domain resource allocation in the DCI (Downlink Control Information) to indicate communication configurations, such as synchronization signal scheduling, allowing for the reuse of bits to convey other information, thereby enhancing the flexibility and efficiency of resource configuration.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If indication information of time domain resource allocation is used solely for its original purpose, then the function is simple and clear, but the system performance and energy efficiency are limited due to redundant data transmission
Solution Approach 1:
The indication information of time domain resource allocation is designed to serve multiple functions: it indicates both the time domain resource allocation for PDSCH and the communication configuration (such as synchronization signal scheduling). This multi-functionality allows the same bits to convey multiple pieces of information, reducing redundant transmissions and improving energy efficiency while enhancing system performance
2Reliability
If more control information is transmitted to provide complete resource configuration, then the terminal device obtains accurate configuration, but the data transmission becomes redundant and less efficient
Solution Approach 1:
The indication information is designed to simultaneously indicate time domain resource allocation and communication configuration using the same bits. This eliminates redundant control information while ensuring the terminal device receives accurate configuration data, thereby improving both reliability and data transmission efficiency
Solution Approach 2:
The patent merges the indication of time domain resource allocation and communication configuration into a single control information field. By combining these two functions into one indication information structure, the system reduces the total amount of control data transmitted while maintaining complete configuration accuracy for the terminal device
Data Source
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AI summary
Various embodiments of the present disclosure provide a method for using indication information of time domain resource allocation. The method comprises receiving indication information of time domain resource allocation from a network node by a terminal device. At least part of the indication information is allowed to at least partly indicate a communication configuration different from the time domain resource allocation. The method further comprises determining the communication configuration for the terminal device, based at least in part on the indication information.