Configured Grant UCI Resource Mapping for Variable XR Uplink Loads
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Solution Overview
Problem
The existing 5G communication systems face challenges in reliably transmitting XR video frames due to varying data amounts and fixed uplink scheduling resources, which do not consider rate matching for uplink control information (UCI) effectively.
Innovation Solution
Determine a resource for transmitting first control information based on a parameter that includes the number of bits of the control information, to improve the reliability of uplink data transmission.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If uplink scheduling resources are fixed for transmitting XR video frames, then resource allocation is simplified, but transmission reliability deteriorates due to large variations in video frame sizes
Solution Approach 1:
The patent applies dynamics by making the uplink scheduling resource flexible rather than fixed. The resource allocation is dynamically adjusted based on the actual size of the XR video frame, allowing the system to adapt to large variations in frame sizes while maintaining reliable transmission
Solution Approach 2:
The patent changes the parameter of resource allocation from a fixed value to a variable that depends on video frame size. By introducing a determination mechanism that adjusts resource allocation based on actual data requirements, the system resolves the contradiction between simplicity and reliability
2Device complexity
If rate matching solution is not considered for UCI indicating uplink transmission information, then implementation is simpler, but transmission reliability deteriorates
Solution Approach 1:
The patent applies preliminary action by performing rate matching processing on the uplink control information (UCI) before transmission. This preliminary processing ensures that the control information is properly formatted and reliable, preventing transmission errors that would occur without such preparation
Solution Approach 2:
The patent introduces rate matching as an intermediary processing step between UCI generation and transmission. This intermediary function adapts the control information to match the allocated resources, ensuring reliable transmission without significantly increasing overall system complexity
Data Source
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AI summary
An information transmission method and an apparatus are provided. The method includes: determining, based on a first parameter, a first resource for transmitting first control information, where the first control information indicates that a physical uplink shared channel resource is to be used or not used in a configured grant period, and the first parameter includes a number of bits of the first control information, or the first parameter includes a number of bits of the first control information and a second resource for transmitting second control information; and transmitting the first control information on the first resource. The second control information includes at least one of first information and channel state information CSI, and the first information includes at least one of hybrid automatic repeat request HARQ and configured grant uplink control information CG-UCI. The resource for transmitting the first control information is determined based on the first parameter, and the first control information is transmitted on the resource, so that reliability of uplink data transmission corresponding to the first control information can be improved.