Paging Indication Signaling for Low-Power UE Channel Detection
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Solution Overview
Problem
User Equipment (UE) in an idle state frequently monitors paging PDCCH channels, leading to high power consumption due to the low probability of being paged, resulting in unnecessary detection and power wastage.
Innovation Solution
A UE receives a paging indication signal from a network device to determine whether to detect a paging downlink control channel in specific occasions, reducing unnecessary detection by optimizing channel monitoring based on the indication.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the UE periodically detects the paging PDCCH in every PO, then the UE can ensure it does not miss any paging messages, but the UE consumes excessive power due to unnecessary detections
Solution Approach 1:
The network device performs preliminary action by sending a paging indication signal before the actual paging transmission. This signal pre-indicates whether paging information will be sent in upcoming POs, allowing the UE to advance its decision-making process and avoid unnecessary power consumption while ensuring no paging messages are missed.
Solution Approach 2:
A paging indication signal is introduced as an intermediary between the network device and the UE. This intermediary carries preliminary paging information that enables the UE to make informed decisions about whether to activate for paging detection, thereby reducing power consumption while maintaining reliable paging reception.
2Reliability
If the UE detects the paging PDCCH in every PO, then all paging messages can be received, but unnecessary detections waste UE power
Solution Approach 1:
The network device sends a paging indication signal in advance to indicate whether paging information will be transmitted in upcoming POs. This preliminary action allows the UE to skip detections when no paging is expected, eliminating wasted power while ensuring all actual paging messages are received.
Solution Approach 2:
The paging indication signal provides feedback information to the UE about the likelihood of paging transmission in upcoming POs. Based on this feedback, the UE dynamically adjusts its detection behavior, activating only when paging is indicated and skipping when not indicated, thereby avoiding energy waste while maintaining complete paging message reception.
3Use of energy by moving object
If the UE skips paging detection in some POs to save power, then power consumption is reduced, but the probability of missing paging messages increases
Solution Approach 1:
The network device performs preliminary action by sending paging indication signals before actual paging transmission. These signals provide advance notice of upcoming paging opportunities, allowing the UE to skip POs confidently without missing any paging messages, thus reducing power consumption while maintaining detection reliability.
Solution Approach 2:
The paging indication signal acts as an intermediary that bridges the gap between the network's paging decisions and the UE's detection behavior. It provides reliable information that enables the UE to make accurate decisions about which POs to skip, ensuring no paging messages are missed while achieving power savings.
Data Source
AI summary
A channel detection method and apparatus, a device and a user equipment are disclosed. The method includes: receiving, by a UE, a paging indication signal transmitted by a network device, where the paging indication signal is used for instructing the UE whether to detect a paging downlink control channel in K POs, the K POs are K POs after the paging indication signal is received, and K is a positive integer.