Delay Tolerant Data Scheduling in Mobile Networks
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Solution Overview
Problem
Current scheduling methods in mobile communications systems face challenges in efficiently managing delay tolerant data, as they often interfere with network node sleep periods and energy conservation strategies, leading to suboptimal resource utilization and user experience.
Innovation Solution
Implementing a conditional data transfer scheduling strategy that allows delay tolerant data to be transmitted during available time slots alongside other data, utilizing unused transmission resources without disrupting network node sleep modes or peak load periods, thereby enabling coexistence with energy-saving mechanisms.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If delay tolerant data is transmitted during low load periods to reduce peak load, then network resource utilization is improved, but energy consumption increases due to network node wake-ups
Solution Approach 1:
The patent applies local quality by differentiating treatment based on data characteristics. Delay tolerant data is scheduled differently from time-sensitive data, utilizing unused transmission resources during specific periods without disrupting critical communications. This localized scheduling approach optimizes resource allocation while preserving energy-saving sleep modes during low load periods.
Solution Approach 2:
The patent implements preliminary action by proactively identifying and scheduling delay tolerant data during periods when network nodes are already awake or during unused transmission resources. This prevents the need to wake nodes from sleep mode solely for data transmission, as the scheduling mechanism anticipates and accommodates such data during appropriate time windows.
2Use of energy by moving object
If network nodes enter sleep mode to reduce energy consumption, then energy efficiency is improved, but data transmission capability deteriorates
Solution Approach 1:
The patent segments data into different categories (delay tolerant vs. time-sensitive) and applies different scheduling strategies to each segment. This allows the network to maintain sleep modes for energy efficiency while ensuring that time-sensitive data can still be transmitted when needed, thus preserving transmission capability for critical communications.
Solution Approach 2:
The scheduling mechanism acts as an intermediary between energy-saving sleep modes and data transmission requirements. It mediates by identifying unused transmission resources during wake periods and coordinating delay tolerant data transmission without requiring additional wake-ups, thus maintaining both energy efficiency and transmission capability.
3Productivity
If caching is used to move traffic from high to low load periods, then network load distribution is improved, but coordination complexity increases
Solution Approach 1:
The patent implements self-service by enabling the scheduling mechanism to automatically identify and handle delay tolerant data without requiring complex coordination between multiple network nodes. The scheduler locally determines which data can be transmitted during unused resources and schedules it accordingly, reducing the need for extensive inter-node communication and coordination.
Data Source
AI summary
There is provided embodiments relating to scheduling in mobile communications systems, and particularly to scheduling of delay tolerant data in mobile communications systems. A scheduling request relating to conditional data transfer of delay tolerant data is received. The delay tolerant data is scheduled for transmission such that the delay tolerant data is to be transmitted in conjunction with data already scheduled for transmission and utilizing available transmission resources non-utilized for transmission of the data already scheduled for transmission.