Configured Grant Uplink Transmission DTX Control
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Solution Overview
Problem
The 5G wireless mobile communication system faces challenges in reducing power consumption, particularly in implementing effective discontinuous reception (DRX) and discontinuous transmission (DTX) techniques to enhance sustainability and efficiency.
Innovation Solution
The method involves transmitting UECapabilityInformation to the GNB, receiving RRCReconfiguration, and performing DTX operations based on specific configurations, including transmitting or not transmitting configured grants for uplink transmission, to optimize power usage in the 5G system.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If continuous transmission is performed to maintain communication quality, then reliability is improved, but power consumption increases
Solution Approach 1:
The patent implements discontinuous transmission (DTX) where the UE periodically transmits uplink signals only during active periods and remains silent during inactive periods. This periodic action pattern allows the system to maintain communication quality when needed while significantly reducing power consumption during idle periods, directly resolving the contradiction between continuous transmission reliability and power efficiency
2Use of energy by moving object
If discontinuous transmission is implemented to reduce power consumption, then energy efficiency is improved, but transmission reliability may deteriorate
Solution Approach 1:
The patent employs dynamic switching between transmission and non-transmission states based on network conditions and data availability. The UE can transition between DTX mode (for power saving) and active transmission mode (for reliability) dynamically, allowing the system to adapt to varying requirements and maintain reliability when necessary while achieving power efficiency during normal operation
Solution Approach 2:
The patent utilizes feedback mechanisms where the network monitors the UE's transmission status and can send control signals to adjust the DTX behavior. This feedback loop ensures that transmission reliability is maintained by allowing the network to intervene and restore continuous transmission if quality degradation is detected, while permitting power-efficient DTX operation under normal conditions
Data Source
AI summary
A Method and Apparatus for discontinuous reception and discontinuous transmission are provided. The method includes transmitting a UECapabilityInformation to the GNB, receiving a RRCReconfiguration form the GNB, performing DTX operation based on the RRCReconfiguration and current-dtx2-ConfigId, receiving a first MAC CE from the GNB and performing DTX operation based on the first MAC CE. The performing DTX operation comprises transmitting or not transmitting configured grant based uplink transmission.