Single-Subscriber Device Switching via MSISDN Sharing
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Solution Overview
Problem
Coordinating wireless communications between multiple user equipment devices owned by the same user in a cost-effective and resource-efficient manner is challenging, particularly when devices need to switch cellular network connections due to proximity changes or user input.
Innovation Solution
Implementing a system where user equipment devices share a Mobile Station International Subscriber Directory Number (MSISDN) to seamlessly switch cellular network connections between paired devices, with one device registering and the other deregistering based on proximity or user triggers, allowing both devices to be communicable with the cellular network independently.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If multiple user equipment devices are registered with the cellular network simultaneously, then each device can independently communicate with the network, but resource consumption increases and cost efficiency decreases
Solution Approach 1:
The system dynamically switches the registered device based on proximity detection. When devices are in proximity, one device is deregistered to save resources; when separated, the other device registers to maintain communication capability. This dynamic registration state adjustment resolves the contradiction between independent communication capability and resource consumption.
Solution Approach 2:
The system automatically detects proximity changes and triggers registration/deregistration switches without user intervention. The devices self-manage their network registration status based on proximity conditions, eliminating the need for manual configuration while optimizing resource usage.
2Loss of energy
If a single MSISDN is shared between multiple devices, then cost efficiency improves, but coordination complexity increases when switching connections
Solution Approach 1:
Devices pre-establish proximity detection mechanisms and registration switch protocols before actual switching is needed. The system prepares the coordination framework in advance, defining trigger conditions and switching procedures, which simplifies the actual switching process and reduces coordination complexity during operation.
Solution Approach 2:
The system continuously monitors proximity conditions and provides feedback to trigger registration status changes. This feedback mechanism automates the coordination process, reducing manual intervention complexity while maintaining cost efficiency through single MSISDN sharing.
3Extent of automation
If device switching is triggered by proximity changes, then automation improves, but reliability may decrease due to unexpected disconnections
Solution Approach 1:
The system implements buffer mechanisms and confirmation protocols before executing registration switches. When proximity changes are detected, the system verifies the trigger condition and ensures proper handover procedures are followed, preventing premature or erroneous disconnections while maintaining automated switching.
Data Source
AI summary
A communications system may include at least a first user equipment (UE) device and a second UE device that communicate with one or more hosts via a cellular network and a call routing server. The first UE and the second UE may be paired and may convey peer-to-peer (P2P) signals between each other when in close proximity. The first UE may communicate with the cellular network using a Mobile Station International Subscriber Directory Number (MSISDN). The MSISDN may, as one example, be shared between the first UE and the second UE. In response to a trigger condition associated with the second UE moving out of proximity to the first UE and/or a user input, communication with the cellular network using the MSISDN may switch from the first UE to the second UE. This may be reversed when the second UE moves back into proximity to the first UE.