Emergency Communication via Base Station Relay
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Solution Overview
Problem
In emergency communication scenarios, existing mobile communication systems face challenges in establishing communication links due to poor signal quality and the need for users to carry standby devices, which is inconvenient and may not guarantee timely communication.
Innovation Solution
An emergency communication method and device that searches for and selects communication devices within a set range of the called device with an emergency communication auxiliary function to establish a connection, allowing users to communicate through auxiliary devices without requiring the called user to carry standby devices, and prioritizes connections based on correlation values and signal quality.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If call forwarding technology is used to transfer calls to a standby device, then emergency communication can be established, but the called user must carry both the called device and standby device simultaneously which is inconvenient
Solution Approach 1:
The patent introduces a base station as an intermediary device to establish emergency communication. Instead of requiring a standby mobile device, the base station acts as a mediator to relay communication between the calling device and the called device when direct communication fails due to poor signal quality or device shutdown
Solution Approach 2:
The system automatically selects and uses available base stations for emergency communication without requiring user intervention to carry or manage standby devices. The network infrastructure itself provides the emergency service through existing base station resources
2Reliability
If call forwarding to standby device is used, then emergency communication link can be established, but if the standby device is damaged or signal quality is not good, the emergency communication link is not guaranteed
Solution Approach 1:
The base station serves as a robust intermediary that provides network-level redundancy. Multiple base stations can be involved in the communication path, and the network can dynamically select alternative base stations if one fails, providing reliability without requiring the user to manage multiple devices
Solution Approach 2:
The base station infrastructure serves multiple functions: normal communication service provision and emergency communication facilitation. This multi-functionality eliminates the need for dedicated standby devices while maintaining emergency communication capability
3Productivity
If traditional communication link establishment is used, then communication service is provided, but poor signal quality of the called user prevents communication link establishment
Solution Approach 1:
When direct communication between calling and called devices fails due to poor signal quality, the base station acts as an intermediary relay. The calling device communicates with the base station, which then forwards to the called device, bypassing the poor direct signal path
Solution Approach 2:
The patent changes the communication dimension from direct device-to-device transmission to device-to-base-station-to-device transmission. This dimensional change in the communication path allows establishment of links even when direct paths are blocked by poor signal conditions
Data Source
AI summary
The present disclosure relates to an emergency communication method and device. The emergency communication method includes: receiving an emergency communication request issued from a calling device to a called device; searching for communication devices within a set range of the called device; selecting, from the communication devices found in the searching, communication devices having an emergency communication auxiliary function which is in an on state as auxiliary devices; and establishing a communication connection between the calling device and the auxiliary devices, so that a user of the calling device communicates with a user of the called device through the auxiliary devices. The present disclosure can realize emergency communication in real time, which is convenient and fast, and ensures the timely establishment of emergency communication.