EN-DC User Equipment Simultaneous Voice Data Without VoLTE
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Solution Overview
Problem
Existing EN-DC capable User Equipment (UE) systems cannot provide simultaneous voice and data services in SRLTE mode without Voice Over Long Term Evolution (VOLTE) support, as they are limited to either voice or data service due to lack of defined dual transceiver operation, and do not utilize the second transceiver for data services during SRLTE mode.
Innovation Solution
The UE automatically switches from EN-DC mode to SRLTE-EN-DC mode when VOLTE is unavailable, configuring the first transceiver for both voice and data services and the second transceiver for data services, allowing simultaneous voice and data operations, and switches back to EN-DC mode when VOLTE becomes available.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the UE operates in EN-DC mode without VOLTE support, then the system can maintain basic connectivity, but simultaneous voice and data services cannot be provided
Solution Approach 1:
The patent segments the transceiver operations into distinct modes (EN-DC mode and SRLTE mode) with different transceiver configurations. In EN-DC mode, the first transceiver handles LTE while the second handles NR. When VOLTE is unavailable, the system segments the service delivery by using only the first transceiver for both voice and data, effectively dividing the operational responsibilities to achieve simultaneous voice and data service without VOLTE support.
Solution Approach 2:
The patent implements dynamic mode switching between EN-DC and SRLTE configurations based on VOLTE availability. The system dynamically adjusts transceiver usage: when VOLTE is available, EN-DC mode utilizes both transceivers; when VOLTE is unavailable, it dynamically transitions to SRLTE mode using the first transceiver for both voice and data services, ensuring continuous adaptability to network conditions.
2Adaptability or versatility
If the UE uses a single transceiver for voice service in SRLTE mode, then voice service is provided, but data service is interrupted
Solution Approach 1:
The patent makes the first transceiver universal by enabling it to handle both voice and data services in SRLTE mode when VOLTE is unavailable. This multi-functionality allows the single transceiver to sequentially or simultaneously manage different service types, ensuring that data service is not interrupted during voice calls and maintaining service continuity across different operational scenarios.
3Adaptability or versatility
If the UE switches from EN-DC mode to SRLTE mode, then simultaneous voice and data services are enabled, but network complexity increases
Solution Approach 1:
The patent implements self-service through automated mode selection and transceiver configuration based on VOLTE availability detection. The UE autonomously determines whether VOLTE is available and automatically switches between EN-DC and SRLTE modes without requiring manual intervention or complex network coordination, thereby enabling simultaneous voice and data services while managing complexity through self-contained decision logic.
Data Source
AI summary
The present disclosure relates to a communication method and system for converging a 5th-Generation (5G) communication system for supporting higher data rates beyond a 4th-Generation (4G) system with a technology for Internet of Things (IoT). The present disclosure may be applied to intelligent services based on the 5G communication technology and the IoT-related technology, such as smart home, smart building, smart city, smart car, connected car, health care, digital education, smart retail, security and safety services. The present disclosure especially relates to method and system for providing simultaneous voice and data services in EN-DC capable UE.The method includes the steps of determining whether a VOLTE service is available at the UE and automatically switching the UE from an EN-DC mode to a Single Radio Long Term Evolution (SRLTE)-ENDC mode in response to determining that the VOLTE is unavailable while the UE is operating in the EN-DC mode.