Communication Control System for Seamless LTE Handoff
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Solution Overview
Problem
Wireless communication devices face challenges in seamlessly transitioning between LTE and non-LTE networks, particularly in areas where LTE is unavailable or heavily loaded, leading to suboptimal communication sessions.
Innovation Solution
A communication control system that manages the transition between LTE and non-LTE networks by initiating voice and media communication sessions, requesting LTE registration notifications, and establishing appropriate communication links to ensure seamless service across different network protocols.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the wireless communication device initially registers with the LTE network, then communication quality is improved when LTE is available, but the device may be handed-off to a non-LTE network when LTE becomes unavailable or heavily loaded, disrupting the communication session
Solution Approach 1:
The communication control system performs preliminary actions by initiating a voice communication session over the non-LTE network before LTE registration occurs. This ensures that communication can begin immediately without waiting for LTE network availability, while still preparing to transition to LTE when conditions improve. The system proactively sets up fallback pathways in advance.
Solution Approach 2:
The communication control system acts as an intermediary that manages the complex handoff logic between LTE and non-LTE networks. It receives communication session requests, determines appropriate network selection, initiates sessions on suitable networks, and coordinates the transition when network conditions change. This mediator approach centralizes the complexity in a dedicated system rather than distributing it across multiple devices.
2Reliability
If the wireless communication device communicates over a non-LTE network when LTE is unavailable or heavily loaded, then service availability is maintained, but communication quality and speed are reduced compared to LTE
Solution Approach 1:
The system dynamically selects the communication network based on real-time conditions. It can operate on non-LTE networks when LTE is unavailable or heavily loaded, and seamlessly transition to LTE when conditions improve. The communication control system continuously monitors network status and adjusts the active communication path dynamically to optimize both availability and performance.
Solution Approach 2:
The system changes operational parameters by switching between different network types (LTE vs. non-LTE) based on network conditions. When LTE network availability or load conditions change, the system modifies its communication parameters to utilize the most appropriate network, thereby adapting communication speed and quality to match current environmental conditions.
3Reliability
If the wireless communication device waits for LTE network availability before initiating communication, then communication quality is optimized, but service initiation time is increased when LTE is not immediately available
Solution Approach 1:
The system takes preliminary action by initiating the communication session on the non-LTE network immediately, without waiting for LTE network conditions to be confirmed. This allows service to start without delay, while the system simultaneously monitors for opportunities to transition to higher-quality LTE communication during the ongoing session.
Solution Approach 2:
The communication session maintains continuous useful action by ensuring that communication begins immediately on available networks rather than waiting for optimal conditions. The system keeps the communication flowing without interruption, transitioning between networks as needed to maintain continuous service rather than pausing to wait for LTE availability.
Data Source
AI summary
A communication control system controls communication over a Long-Term Evolution (LTE) network and a non-LTE network. The communication control system receives a communication session request transferred from a wireless communication device over the non-LTE network. In response, the communication control system initiates a voice communication session between the wireless communication device and a first communication interface. The communication control system requests an LTE registration notification for the wireless communication device. After the wireless communication device registers with the LTE network, the communication control system receives the LTE registration notification. In response, the communication control system initiates a media communication session over the LTE network between the wireless communication device and a second communication interface.