Early Media Service for Power Saving Mode Notification
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Solution Overview
Problem
In 5G communication systems, the power saving performance of small-sized wearable devices and IoT devices is a critical requirement due to their small battery size, but existing methods often inconvenience users by delaying services when operating in power saving modes.
Innovation Solution
A method and apparatus that prenotify users of potential service delays when a terminal is in power saving mode and allow services to be provided through paired terminals operating in a power saving mode, using early media services and advanced power management techniques like DRX and eDRX to reduce power consumption.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Use of energy by moving object
If a terminal operates in power saving mode to reduce energy consumption, then battery life is extended, but service response time is delayed
Solution Approach 1:
The system performs preliminary actions by notifying the user in advance that the terminal is in power saving mode and that service may be delayed. This allows the user to be prepared for the delay rather than experiencing it unexpectedly, resolving the contradiction by maintaining power saving while improving user perception of service responsiveness
Solution Approach 2:
The notification message acts as an intermediary between the power saving mode operation and the user experience. It mediates the information flow to explain the delay cause and expected timing, allowing the system to maintain power saving mode while keeping the user informed and satisfied
2Use of energy by moving object
If a terminal operates in power saving mode to extend battery life, then energy efficiency is improved, but service availability is reduced
Solution Approach 1:
The system implements feedback by providing the user with information about the terminal's power saving state and expected service timing. This feedback loop allows the user to understand when service will be available without requiring the terminal to remain continuously active, thus maintaining energy efficiency while perceived service availability is improved through information provision
3Ease of operation
If early media service is provided to notify users of power saving mode, then user convenience is improved, but additional signaling overhead is introduced
Solution Approach 1:
The early media service mechanism is designed to serve multiple functions: it notifies users of power saving mode, provides expected service timing information, and maintains compatibility with existing communication protocols. This multi-functionality justifies the signaling overhead by delivering comprehensive user information using an extended version of existing service infrastructure
Data Source
AI summary
The present disclosure relates to a communication method and system for converging a 5th-Generation (5G) communication system for supporting higher data rates beyond a 4th-Generation (4G) system with a technology for Internet of Things (IoT). The present disclosure may be applied to intelligent services based on the 5G communication technology and the IoT-related technology, such as smart home, smart building, smart city, smart car, connected car, health care, digital education, smart retail, security and safety services. An apparatus and method are provided for supporting a high data rate service. A method for an application server includes receiving, from a first terminal, a service request for a second terminal; identifying that the second terminal is in a power saving mode; and transmitting an early media service to the first terminal based on information related to the power saving mode of the second terminal.