Dual-SIM Capability Reporting for Single-User Throughput
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Solution Overview
Problem
In dual-SIM dual-active terminals, the reported capabilities of individual SIM cards are limited to match the overall terminal capability, leading to suboptimal performance when only one SIM card is active, as they cannot utilize the full potential of the terminal's capabilities.
Innovation Solution
The terminal reports higher individual capabilities for each SIM card, allowing their combined capabilities to exceed the terminal's specification, and implements capability fallback methods to ensure concurrent services do not exceed the terminal's limits, using techniques like sending capability fallback messages, sounding reference signals, channel state information, and managing cell usage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If the terminal reports terminal capabilities for multiple SIM cards such that the sum of individual capabilities equals the terminal capability specification, then service concurrency between multiple users is ensured, but the performance of individual user services is limited
Solution Approach 1:
The patent applies dynamics by making the reported terminal capability flexible rather than fixed. The terminal capability can be dynamically adjusted based on whether service concurrency is detected. When only one user is active, the terminal reports its full capability specification to maximize individual service performance. When multiple users need concurrent service, the terminal adjusts the reported capability to ensure the sum does not exceed the specification, thereby enabling service concurrency while maintaining optimal individual performance when needed.
2Reliability
If the terminal reports higher individual capabilities for each SIM card, then individual user service performance is improved, but the terminal may exceed its capability specification when multiple users are active
Solution Approach 1:
The patent implements feedback by having the terminal detect the service status of multiple SIM cards and adjust capability reporting accordingly. The terminal monitors whether concurrent services are detected across different SIM cards and uses this feedback information to dynamically adjust the reported terminal capability. This feedback mechanism ensures that the terminal reports high capability when needed for individual performance, but adjusts the reported capability when concurrency is detected to maintain system integrity.
3Productivity
If the terminal reports the full capability specification for each SIM card, then resource allocation for individual users is optimized, but resource conflicts arise when multiple users simultaneously require high-capacity services
Solution Approach 1:
The patent resolves this contradiction through dynamic capability reporting. Instead of statically reporting the full capability specification for each SIM card, the terminal dynamically adjusts the reported capability based on real-time detection of service concurrency. When only one user is active, the terminal reports the full capability specification to optimize resource allocation. When multiple users simultaneously require high-capacity services, the terminal reduces the reported capability to prevent resource conflicts, thereby ensuring reliable service execution while maintaining optimal resource allocation efficiency.
Data Source
AI summary
A communication method includes receiving a first capability query request from a first access device; sending a first capability reporting message to the first access device; receiving a second capability query request from a second access device; and sending a second capability reporting message to the second access device. Neither a first terminal capability nor a second terminal capability is greater than a capability specification of the terminal, the capability specification of the terminal is shared by a first user and a second user, and a sum of the first terminal capability and the second terminal capability is greater than the capability specification of the terminal. Hence, when a single user has a service to be executed, an access device may allocate a corresponding resource to the service of the user based on a reported higher terminal capability.