User Equipment Broadcast Reception Restricted Cell Handling
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Solution Overview
Problem
User equipment with previous versions may not understand new information elements in broadcast information transmitted by base stations with updated versions, leading to inappropriate operations and potential interference with other systems.
Innovation Solution
Incorporating a broadcast information reception unit that treats cells with unsupported information elements as 'restricted cells', preventing interference by not performing operations that could affect other systems.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If base stations transmit new information elements in broadcast information, then system functionality and coverage are improved, but user equipment with previous versions cannot understand these new elements, leading to interference with other systems
Solution Approach 1:
The patent applies preliminary action by having user equipment perform version determination and capability matching before attempting to access or transmit signals in a cell. The UE checks whether it supports the information elements contained in the version determination message before proceeding with any transmission operations, thereby preventing interference with other systems in advance
Solution Approach 2:
The patent introduces an intermediary mechanism through version determination messages and capability indication fields. These intermediaries facilitate communication between base stations and user equipment by conveying version information and capability status, allowing the system to coordinate transmissions appropriately and prevent interference
2Productivity
If user equipment transmits uplink signals without checking version compatibility, then communication efficiency is improved, but unsupported operations cause interference to other systems
Solution Approach 1:
The patent applies preliminary action by implementing version determination and capability checking before uplink signal transmission. The user equipment determines whether it supports the information elements in the broadcast information prior to transmission, ensuring that only compatible operations are performed while maintaining efficient communication for supported functions
Solution Approach 2:
The patent applies preliminary anti-action by having user equipment proactively identify and avoid unsupported operations. Through capability indication fields and version checking, the UE preemptively prevents interference-causing transmissions by refraining from operations it cannot properly interpret or execute
Data Source
AI summary
A user equipment 100n according to the present invention includes a broadcast information reception unit 112 configured to receive broadcast information in a downlink, wherein the broadcast information reception unit 112 is configured to regard the corresponding cell as a restricted cell when information included in the broadcast information is an unsupported value.