DRX Active Period Extension for 5G Terminal QoS and Power Control
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing Cell DTX/DRX technologies in 5G networks face challenges in managing power consumption and quality of service (QoS) when unexpected data transmission occurs, leading to inefficiencies and user experience degradation, particularly with time-sensitive data.
Innovation Solution
A terminal device and base station device implementation that allows for dynamic control of active and inactive periods through extended monitoring of physical downlink control channels, enabling flexible adjustment of active periods based on data priority and type, thereby optimizing power usage and QoS.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of energy
If Cell DTX/DRX is implemented to reduce power consumption, then energy savings are improved, but QoS degradation occurs when unexpected data transmission is required
Solution Approach 1:
The base station device performs preliminary actions by transmitting indication information before the inactive period starts, allowing the terminal device to prepare for potential data transmission. This enables the terminal to extend the active period proactively when unexpected data arrives, rather than being forced into a full active state throughout, thus balancing power savings with QoS requirements.
Solution Approach 2:
The patent introduces dynamic adjustment of the active period duration based on actual data transmission needs. The active period can be extended beyond the predetermined time when unexpected data is detected, allowing flexible adaptation between power-saving mode and QoS requirements. This dynamic mechanism resolves the contradiction by making the system responsive to actual conditions rather than fixed.
2Reliability
If the active period is extended to handle unexpected data, then QoS is improved, but power consumption increases
Solution Approach 1:
Instead of extending the active period fully for the entire inactive duration, the patent applies partial extension only when and where needed. The terminal device extends the active period partially beyond the predetermined time only when unexpected data transmission is detected, rather than maintaining full activity throughout. This partial action approach minimizes power consumption while still ensuring QoS for actual data needs.
Solution Approach 2:
The patent applies different quality levels of active period extension locally based on specific conditions. The extension is applied selectively only to the extent necessary for handling unexpected data, rather than uniformly extending the active period for all cases. This local quality approach allows the system to optimize between power savings and QoS by applying extension only where and to the extent actually needed.
3Reliability
If the terminal device continuously monitors the physical downlink control channel, then data transmission reliability is improved, but power consumption increases
Solution Approach 1:
The patent implements periodic monitoring of the physical downlink control channel during the inactive period rather than continuous monitoring. The terminal device monitors the channel at specific intervals or upon triggering conditions (such as when indication information is received), which reduces power consumption significantly compared to continuous monitoring while still maintaining adequate data transmission reliability through the extended active period mechanism.
Data Source
AI summary
A terminal device that communicates with a base station device includes: a receiver configured to receive, from the base station device, first information, second information, and third information, the first information being information regarding a first active period related to discontinuous reception by the terminal device in a connected mode, the second information being information regarding a second active period indicating a period in which transmission and reception are enabled in units of cell, the third information being information regarding extension of the first active period; and processor circuitry.