In-Vehicle Relay Selection Using SIM Binding and Link Capability Data
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Solution Overview
Problem
In wireless communications systems, a remote device such as a smartphone or vehicle acting as a relay may suffer from low capability due to the lack of access to link quality information of multiple candidate relay devices, leading to suboptimal relay device selection and poor vehicle connectivity performance.
Innovation Solution
The remote device exchanges link capability information with candidate relay devices through Bluetooth SIM access profile exchanges, performs a dynamic SIM binding procedure, and establishes a tethering setup process to select a suitable relay device based on compatible attributes, enabling efficient communication with a cellular wireless network.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a remote device selects a relay device without accessing link quality information, then the device selection process is simple, but the relay device selection becomes suboptimal and vehicle connectivity performance deteriorates
Solution Approach 1:
The patent applies preliminary action by having the remote device obtain link capability information from candidate relay devices before performing the selection process. This advance gathering of capability data (including supported radio access technologies, data rates, and other communication parameters) enables informed selection without requiring complex real-time link quality measurements during the selection moment itself.
Solution Approach 2:
The patent implements feedback by having candidate relay devices provide their link capability information back to the remote device. This feedback mechanism allows the remote device to understand the capabilities of each candidate relay device, enabling it to select the most appropriate relay based on compatibility and performance characteristics, thereby improving connection reliability.
2Reliability
If a remote device performs comprehensive SIM binding procedures with multiple candidate relay devices, then the likelihood of successful communication improves, but the complexity of the device selection process increases
Solution Approach 1:
The patent applies preliminary action by performing SIM binding procedures in advance with candidate relay devices before final selection. The remote device establishes SIM bindings with multiple candidates, stores their capability information, and then uses this pre-established information to make an informed selection without needing to perform complex real-time binding procedures during the selection moment.
Solution Approach 2:
The patent implements self-service by having the remote device autonomously manage the SIM binding process. The device automatically performs SIM binding with candidate relay devices, retrieves their capability information, evaluates compatibility, and selects the most suitable relay device without requiring manual intervention or complex external coordination.
3Ease of operation
If a relay device has low capability due to lack of link quality information, then the system is simpler to operate, but the communication performance and connectivity quality deteriorate
Solution Approach 1:
The patent applies preliminary action by having relay devices pre-advertise their link capability information through Bluetooth SIM access profile exchanges. This advance publication of capability data (including supported radio access technologies, data rates, and communication parameters) allows remote devices to make informed selections without requiring complex real-time capability assessment procedures.
Solution Approach 2:
The patent uses Bluetooth SIM access profile exchange as an intermediary mechanism to transfer link capability information between relay devices and remote devices. This intermediary process enables capability information to be shared in a standardized, automated manner, improving communication performance without requiring complex custom implementation between each device pair.
Data Source
AI summary
Methods, systems, and devices for wireless communication are described. A first user equipment (UE) may receive link capability information from a second UE that has a cellular wireless connection with a network entity of a cellular wireless network. The link capability information may be associated with a subscription of the second UE to the cellular wireless network. The first UE may establish a local wireless connection with the second UE based on the link capability information associated with the subscription of the second UE to the cellular wireless network. The first UE may communicate one or more messages with the network entity of the cellular wireless network via the second UE using first subscriber identity module (SIM) credentials of the first UE or second SIM credentials of the second UE based on establishing the local wireless connection with the second UE.