System Information Request Handling in Wireless Communication
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Solution Overview
Problem
User equipment (UE) lacks clear guidance on when to request additional system information (SI) from the network, leading to incomplete communication processes.
Innovation Solution
A communication device with a processing circuit that executes instructions for acquiring initial SI, initiating services, and strategically requesting additional SI, while managing radio resource control and data transmission procedures to ensure proper communication with the network.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of information
If the UE continuously transmits SI requests to the BS, then the probability of receiving additional SI increases, but the communication reliability deteriorates due to potential conflicts with other procedures
Solution Approach 1:
The patent applies preliminary action by checking whether RRC connection, data transmission, or RA procedures are already initiated before transmitting SI requests. This preventive check avoids conflicts between simultaneous procedures, ensuring that SI requests are only sent when the communication channel is available, thus maintaining communication reliability while still acquiring necessary system information.
2Productivity
If the UE initiates multiple procedures simultaneously, then the service initiation speed increases, but the device complexity increases due to procedure management
Solution Approach 1:
The patent implements dynamics by making the SI request transmission conditional and adaptive. The UE dynamically adjusts its behavior based on the current communication state - it checks whether RRC connection, data transmission, or RA procedures are ongoing and only transmits SI requests when appropriate. This dynamic approach allows efficient service initiation without overwhelming procedure management complexity.
3Reliability
If the UE waits for clear guidance before requesting SI, then the communication reliability improves, but the loss of time increases due to delayed information acquisition
Solution Approach 1:
The patent applies feedback by implementing a state-checking mechanism before SI request transmission. The UE continuously monitors its communication state (whether RRC connection, data transmission, or RA procedures are initiated) and uses this feedback to determine the appropriate timing for SI requests. This feedback-driven approach ensures reliable communication while minimizing delays in information acquisition.
Data Source
AI summary
A communication device of handling system information (SI) comprises a storage device for storing instructions and a processing circuit coupled to the storage device. The processing circuit is configured to execute the instructions stored in the storage device. The instructions comprise acquiring a first SI broadcasted by a base station (BS); initiating a first service after acquiring the first SI; transmitting a SI request to the BS to request a second SI, in response to initiating the first service; initiating a second service after acquiring the first SI; and stopping transmitting the SI request to the BS in response to initiating the second service.