DRX Configuration for 5G Terminal Power Management
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Solution Overview
Problem
The increasing demand for efficient power management in 5G wireless communication systems, particularly to mitigate power consumption challenges in both terminal and radio access network components, necessitates advanced discontinuous reception (DRX) and transmission (DTX) techniques to enhance sustainability.
Innovation Solution
The implementation of a method that includes transmitting UECapabilityInformation to the GNB, receiving RRCReconfiguration, performing DRX operations based on RRCReconfiguration and current-drx2-ConfigId, and managing DRX and DTX operations by receiving or not receiving configured assignments for downlink transport blocks, optimizing power usage through controlled signal reception and transmission periods.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If continuous reception and transmission are performed to ensure reliable data communication, then communication reliability is improved, but power consumption increases
Solution Approach 1:
The patent implements discontinuous reception (DRX) where the terminal periodically switches between active reception states and sleep states. The terminal receives wake-up indicators at specific intervals and only activates reception circuits when needed, thereby reducing power consumption while maintaining communication reliability through periodic monitoring.
Solution Approach 2:
The base station sends wake-up indicators in advance before actual data transmission. This allows the terminal to prepare its reception circuits proactively, ensuring reliable data reception when data arrives while avoiding continuous activation of power-consuming reception components.
2Use of energy by moving object
If discontinuous reception is implemented to reduce power consumption, then power efficiency is improved, but signal reception reliability may deteriorate
Solution Approach 1:
The system implements feedback mechanisms where the base station monitors terminal availability and adjusts wake-up indicator transmission accordingly. The terminal also provides feedback through uplink transmissions to confirm receipt of wake-up indicators, ensuring reliable communication even with discontinuous reception patterns.
Solution Approach 2:
The DRX configuration is dynamically adjustable, allowing the terminal to switch between different sleep cycles and activation patterns based on traffic conditions. This dynamic adaptation ensures reliable signal reception during active periods while maximizing power savings during low-activity periods.
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 DRX operation based on the RRCReconfiguration and current-drx2-ConfigId, receiving a first MAC CE from the GNB and performing DRX operation based on the first MAC CE. The performing DRX operation comprises receiving or not receiving configured assignment based downlink transport block.