Paging Response Buffering for Busy Wireless UEs

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Solution Overview

Problem

Existing wireless communication devices face inefficiencies in power consumption and flexibility when transitioning from disconnected modes to connected modes due to inefficient paging procedures, particularly when busy events occur.

Innovation Solution

Implementing a method where wireless communication devices transmit a response message indicating temporary unavailability, allowing for buffering of data transfer control information at network nodes, which can be resumed upon resolution of busy events.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If the UE transitions from disconnected mode to connected mode in response to receiving a paging message, then the data transfer can be established, but the power consumption increases and flexibility is reduced

Engineering Contradiction:
Improvedata transfer establishmentVSAvoidpower consumption
Core Design Contradiction:
ReliabilityVSUse of energy by moving object

Solution Approach 1:

The network side performs preliminary actions by buffering data transfer control information and sending notifications to the UE when it becomes available, rather than waiting for the UE to continuously check or immediately transition to connected mode. This allows the UE to remain in low-power disconnected mode longer while the network prepares data for transfer.

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The system implements feedback mechanisms where the network monitors UE availability status and provides feedback through paging messages and notifications. The UE can indicate its busy status, and the network responds by adjusting data transfer timing and buffering strategies, creating a closed-loop system that optimizes power consumption based on actual UE state.

Inventive Principle:
Principle #23Feedback

2Reliability

If the UE transitions from disconnected mode to connected mode in response to receiving a paging message, then the data transfer can be established, but the flexibility is reduced

Engineering Contradiction:
Improvedata transfer establishmentVSAvoidflexibility
Core Design Contradiction:
ReliabilityVSAdaptability or versatility

Solution Approach 1:

The system dynamically adapts the UE's operational mode based on real-time conditions. The UE can switch between disconnected and connected modes flexibly, and the network dynamically buffers or forwards data control information based on UE availability. This dynamic behavior allows the system to adapt to varying traffic patterns and UE states, improving overall flexibility.

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The system changes key parameters such as UE operational mode (disconnected/connected), data buffering status, and notification timing based on system conditions. By dynamically adjusting these parameters, the system achieves both reliable data transfer establishment and operational flexibility, allowing the UE to respond to paging messages only when appropriate.

Inventive Principle:
Principle #35Parameter changes

3Use of energy by moving object

If the network buffers data transfer control information until the UE is available, then power consumption is reduced, but the data transfer delay increases

Engineering Contradiction:
Improvepower consumptionVSAvoiddata transfer delay
Core Design Contradiction:
Use of energy by moving objectVSLoss of time

Solution Approach 1:

The network performs preliminary buffering of data transfer control information during the UE's disconnected period. This preliminary action allows the UE to remain in low-power mode without incurring delay penalties, as the data is prepared and ready to be immediately transmitted once the UE becomes available, minimizing actual transfer delay.

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The buffering process maintains continuity of useful action by keeping data control information in a ready-to-transmit state during the UE's disconnected period. Rather than losing or discarding data during the delay period, the system continuously maintains it in a buffered state, ensuring seamless resumption of data transfer when the UE becomes available, thus reducing effective loss of time.

Inventive Principle:
Principle #20Continuity of useful action

Data Source

PatentUS12477512B2Extended buffering of data-transfer control information
Publication Date: 2025.11.18 SONY GROUP CORP
  • US12477512B2 patent drawing
  • US12477512B2 patent drawing
  • US12477512B2 patent drawing

AI summary

A method of operating a wireless communication device (101) includes, while operating in a disconnected mode (302) with respect to a communications network (99, 100, 100-1, 100-2), receiving a paging message (4025) from the communications network (99, 100, 100-1, 100-2), the paging message being indicative of an incoming call. The method also includes, upon detecting at least one busy event, transmitting a response message (4030) associated with the paging message (4025) to the communications network (99, 100, 100-1, 100-2), the response message (4030) being indicative of the wireless communication device (101) being temporarily busy.