Wireless Device Paging Group Identifier
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Current LTE systems face inefficiencies in wake-up signal and paging operations, leading to unnecessary power consumption due to all devices being woken up during paging occasions, even if only a subset is intended to receive the message, resulting in overhearing and increased power usage.
Innovation Solution
Implementing a method to group wireless devices based on their paging occurrence parameters, allowing only subsets of devices to be woken up during shared paging occasions, thereby reducing overhearing and power consumption by dynamically assigning group identifiers based on actual and estimated paging frequencies.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If all wireless devices are woken up during paging occasions, then paging coverage is ensured, but power consumption increases due to unnecessary overhearing
Solution Approach 1:
The patent segments wireless devices into different paging groups based on their paging occurrence parameters. Each group is assigned a unique group identifier, allowing the network to selectively wake up only the relevant group instead of all devices. This segmentation resolves the contradiction by maintaining reliable paging delivery to target devices while preventing unnecessary power consumption from devices that don't need to be paged.
Solution Approach 2:
The patent applies local quality by assigning different paging occurrence parameters and group identifiers to different subsets of devices based on their specific paging patterns. Devices with similar paging behavior are grouped together, allowing tailored paging strategies for different local groups rather than a uniform approach for all devices, thus optimizing power consumption while ensuring reliable delivery.
2Use of energy by moving object
If devices are grouped by paging occurrence parameter, then power consumption is reduced, but device complexity increases due to group identifier management
Solution Approach 1:
The patent implements self-service by having wireless devices autonomously determine their own group identifier based on their paging occurrence parameter without requiring complex network-side assignment or device-side calculations. The device simply uses its predetermined paging occurrence parameter to derive the group identifier, significantly reducing device complexity while still achieving power savings through selective paging.
3Productivity
If wake-up signals are used for paging optimization, then network efficiency is improved, but overhead increases due to additional signaling
Solution Approach 1:
The patent merges the wake-up signal function with existing paging signaling by using the same physical downlink control channel (PDCCH) resources. The group identifier is embedded within the paging message structure, allowing the network to indicate which group should wake up without requiring separate dedicated signaling channels or additional overhead messages, thus improving network efficiency while minimizing signaling overhead.
Data Source
AI summary
A method performed in a wireless device, for enhancing paging operations with a network node is disclosed. The method comprises determining a group identifier based on a paging occurrence parameter, wherein the group identifier is indicative of a subset of wireless devices belonging to a paging group paged at a same paging occasion.