Configured Grants Linked to Paging for Energy-Efficient Inactive-State Data
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Solution Overview
Problem
Existing methods for wireless devices to transmit data in inactive state result in energy resource wastage, overhead, and interference due to the need for frequent wake-ups to monitor paging channels and PDCCH, especially when using configured grants with insufficient periodicity for small data transmission.
Innovation Solution
Configuring wireless devices with one or more configured grants that are related to occasions to monitor paging channels, allowing efficient data transmission in inactive state without excessive energy consumption or interference.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If configured grants are used with insufficient periodicity for small data transmission, then data transmission capability is improved, but energy consumption increases due to frequent wake-ups to monitor paging channels and PDCCH
Solution Approach 1:
The patent merges the configured grant periodicity with the paging monitoring occasions, aligning them so that the wireless device only needs to wake up at paging occasions for both paging monitoring and configured grant transmission. This combination eliminates separate wake-up events, reducing energy consumption while maintaining data transmission capability.
Solution Approach 2:
The patent implements periodic action by configuring the wireless device to monitor paging channels and transmit data at aligned periodic intervals. The configured grant periodicity is set to match paging monitoring periodicity, creating a unified periodic schedule that reduces the frequency of wake-ups compared to independent configured grant transmissions.
2Productivity
If configured grants are used with insufficient periodicity, then data transmission capability is improved, but network overhead and interference increase due to frequent transmissions
Solution Approach 1:
The patent merges configured grant transmissions with paging monitoring occasions, so that data transmissions only occur at paging occasions. This alignment reduces the number of transmission opportunities compared to independent configured grants, thereby reducing network overhead and interference while maintaining essential data transmission capability.
3Reliability
If wireless devices wake up frequently to monitor paging channels and PDCCH, then network responsiveness is improved, but energy resource wastage occurs
Solution Approach 1:
The patent merges paging monitoring with configured grant transmissions at the same periodic occasions. This ensures that the network remains responsive at paging occasions while eliminating unnecessary wake-ups between paging occasions, thus reducing energy waste without compromising network responsiveness at critical moments.
Solution Approach 2:
The patent implements periodic action by establishing unified periodic wake-up events at paging occasions for both monitoring and transmission. This periodic schedule maintains network responsiveness at regular intervals while minimizing the total number of wake-ups compared to more frequent independent configured grant transmissions.
Data Source
AI summary
A method performed by a first network node (111). The method is for configuring a wireless device (130). The first network node (111) operates in the wireless communications network (100). The first network node (111) configures (302) the wireless device (130) with one or more configured grants to transmit data in inactive state. The data has a size smaller than a threshold. The one or more configured grants are configured by the first network node (111) with a relation to one or more occasions to monitor a paging channel between the first network node (111) and the wireless device (130).