Home Device Emergency Calls With Network-Mapped Physical Addresses
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Solution Overview
Problem
Home devices like Amazon Alexa or Google Home struggle to effectively interact with wireless telecommunication networks for tasks such as emergency calls, as they lack the ability to report their physical addresses and manage multiple associated phone numbers efficiently.
Innovation Solution
A system and method that enables home devices to operate on wireless telecommunication networks by mapping unique identifiers and phone numbers, translating protocol messages, and reporting physical addresses during emergency calls, using a webRTC gateway and IMS core to facilitate communication and address management.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If home devices operate on wireless telecommunication networks without address mapping, then device simplicity is maintained, but emergency call functionality is compromised
Solution Approach 1:
The patent introduces a network entity (such as a gateway or server) that acts as an intermediary between the home device and the emergency services network. This intermediary maintains the binding between temporary network identifiers and permanent address information, allowing home devices to make emergency calls without directly managing complex address mapping logic. The intermediary translates and forwards address information to the appropriate emergency services.
2Adaptability or versatility
If home devices manage multiple phone numbers directly, then call routing flexibility is improved, but device complexity increases
Solution Approach 1:
The network entity serves as a mediator that manages multiple phone number bindings to a single home device identifier. When an emergency call is initiated, the network entity retrieves the appropriate address information associated with the device's identifier and forwards it to emergency services, enabling flexible call routing without requiring the home device to directly manage multiple number bindings.
Solution Approach 2:
The patent introduces an additional dimension of abstraction by separating the device identifier from the phone number binding. Instead of managing numbers directly at the device level, the system creates a network-level mapping layer that associates device identifiers with multiple potential phone numbers and their corresponding address information, allowing flexible routing decisions to be made at the network level rather than requiring complex device-side logic.
3Measurement precision
If physical address information is not reported during emergency calls, then privacy is maintained, but emergency response accuracy is reduced
Solution Approach 1:
The network entity acts as a privacy-protecting intermediary that handles address information transmission. The home device can make emergency calls using temporary identifiers without directly exposing its permanent address information. The network entity retrieves the associated address from its bindings and forwards only the necessary location information to emergency services, thereby maintaining privacy while ensuring accurate emergency response.
Data Source
AI summary
The system obtains a unique identifier of a home device and an identifier of a UE of a user. The identifier enables a network to establish a call between the UE of the user and another UE operating on the network. The system maps the identifier of the UE to the unique identifier of the home device, and to a unique identifier of the UE. The system obtains a physical address of the home device, and generates a unique identifier of the physical address. The system stores the unique identifier and the physical address in a database of the network. Upon receiving an emergency communication from the home device and the unique identifier, based on the unique identifier, the system retrieves from the database the physical address of the home device placing the emergency communication. The system provides the physical address to an emergency operator.