Common Identifier for Seamless Network Switching in Communication Devices
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Solution Overview
Problem
Existing communication methods fail to seamlessly switch between different networks for device communication, leading to disruptions and inefficiencies when devices move between home and external networks.
Innovation Solution
A communication method that uses a common identifier to determine and switch between networks, allowing devices to communicate effectively by prioritizing local networks like Wi-Fi and external networks like 3G or 4G, using protocols such as UPnP and P2P connections.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If devices use different network identification methods for home network and external network, then each network can be optimized for its specific communication protocol, but device specification becomes complex and communication switching between networks becomes difficult
Solution Approach 1:
The patent applies universality by creating a common identifier that serves multiple functions: it uniquely identifies devices in both home networks (using UPnP methods) and external networks (using P2P connection methods). This universal identifier eliminates the need for separate identification systems, simplifying device specification while maintaining network-specific optimization.
Solution Approach 2:
The patent segments the communication system into distinct home network and external network environments, each with its own communication protocol (UPnP for home, P2P for external). The common identifier acts as a bridge between these segmented systems, allowing devices to be recognized across network boundaries without requiring complete protocol compatibility.
2Reliability
If devices cannot seamlessly switch between networks, then network infrastructure remains simple, but communication continuity is disrupted when devices move between home and external environments
Solution Approach 1:
The patent implements feedback mechanisms where devices transmit their common identifier information to communication partners. This feedback allows the receiving device to recognize and maintain connection information even when network conditions change, enabling automatic adaptation and continuous communication without requiring complex manual reconfiguration.
Solution Approach 2:
The patent performs preliminary actions by having devices transmit and store common identifier information in advance. This preliminary exchange of identification data ensures that when network switching is needed, the necessary connection information is already available, allowing for seamless transition without disruption.
3Device complexity
If a unified identifier system is used across all networks, then device specification is simplified, but network-specific communication protocols cannot be optimized
Solution Approach 1:
The patent applies local quality by allowing different communication protocols to be used in different network environments (UPnP for home networks, P2P for external networks) while maintaining a unified common identifier system. Each network can optimize its local communication methods without compromising the overall simplicity provided by the universal identifier.
Data Source
AI summary
A communication method is a communication method for communicating between first device and second device over one of first network and second network, and includes transmitting a common identifier from the first device to the second device over one of the first network and the second network, the common identifier being for uniquely specifying the first device in both the first network and the second network, receiving the common identifier at the second device, and communicating between the first device and the second device over one of the first network and the second network.