Relay User Equipment Access Control for Power Saving
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Solution Overview
Problem
Existing communication systems face challenges in allowing remote user equipment, such as wearable devices or IoT devices, to establish network access efficiently when associated relay user equipment becomes unavailable.
Innovation Solution
The apparatus determines the unavailability of the associated relay user equipment and abstains from attempting direct or indirect network access via other relay user equipment during a specified time period. Instead, it attempts indirect network access via the associated relay user equipment, optimizing power saving modes and network access strategies.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the apparatus attempts direct network access or indirect network access via another relay user equipment when the associated relay user equipment is unavailable, then network access may be established, but power consumption increases and network access delays occur
Solution Approach 1:
The apparatus determines the unavailability status of the associated relay user equipment in advance and proactively enters a restricted access mode during the unavailability period, avoiding unnecessary access attempts that would consume power. This preliminary assessment and proactive behavior reduction directly addresses the power consumption issue while maintaining reliable network access capability.
2Reliability
If the apparatus attempts direct network access or indirect network access via another relay user equipment when the associated relay user equipment is unavailable, then network access may be established, but network access delays occur
Solution Approach 1:
The apparatus determines the unavailability status and expected duration in advance, then proactively enters a restricted access mode that prevents futile access attempts during the unavailability period. This preliminary assessment and proactive behavior adjustment eliminate unnecessary access delays while ensuring network access is attempted as soon as the relay user equipment becomes available.
3Reliability
If the apparatus continuously attempts network access via other relay user equipment or direct access, then network access reliability improves, but device complexity increases
Solution Approach 1:
The apparatus performs a preliminary determination of relay user equipment availability status and enters a restricted access mode based on this assessment. This simple preliminary check followed by a clear behavioral rule (restrict access during unavailability) maintains high network access reliability while avoiding complex continuous monitoring and decision-making logic.
4Loss of energy
If the apparatus enters restricted access mode during relay unavailability, then power saving is maximized, but network access may be delayed
Solution Approach 1:
The apparatus determines the expected duration of relay user equipment unavailability in advance and sets the restricted access mode duration accordingly. This preliminary assessment ensures that the device enters restricted mode only for the necessary period, maximizing power savings while minimizing any potential network access delay. The restricted mode is exited as soon as the predetermined duration elapses or the relay becomes available.
Data Source
AI summary
The disclosure relates to an apparatus comprising: means for determining (800) that a relay user equipment associated with the apparatus is unavailable; means for abstaining (802) from attempting any direct network access and/or any indirect network access via another relay user equipment not associated with the apparatus during a time period; and means for attempting (804) at least one indirect network access via the relay user equipment associated with the apparatus during the time period.