Wireless Signal Paging for Low-Complexity System Updates
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Solution Overview
Problem
Existing wireless communication systems face challenges in efficiently managing system information updates, particularly in next-generation systems requiring higher data rates, reliable and low-latency communications, and supporting diverse services like MTC, while minimizing UE complexity and power consumption.
Innovation Solution
A method and apparatus for transmitting and receiving signals in a wireless communication system using DCI with CRC scrambled RNTI for paging, where specific bits indicate modifications in system information, allowing efficient identification and processing of positioning system updates, reducing UE complexity and power consumption.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If system information updates are managed using existing methods, then system information can be transmitted to UEs, but UE complexity and power consumption increase due to inefficient identification of modifications
Solution Approach 1:
The patent segments the 8-bit field into multiple functional parts: one bit for positioning system information modification indication, other bits for different system information types (ETWS, CMAS, PDCCH monitoring, etc.). This segmentation allows UEs to efficiently identify only the relevant modification type without processing entire system information blocks, reducing UE complexity while maintaining effective update management.
2Ease of operation
If system information updates are managed using existing methods, then system information can be transmitted to UEs, but power consumption increases due to inefficient processing
Solution Approach 1:
By segmenting the notification mechanism into specific bit fields that indicate different modification types, the UE can quickly determine whether positioning system information has changed without processing entire system information blocks. This selective processing significantly reduces power consumption while maintaining effective update management.
Solution Approach 2:
The patent implements partial action by having the UE process only the relevant bit field indicating positioning system information modification. Instead of processing all system information updates, the UE performs partial processing focused solely on positioning-related changes, thereby reducing power consumption while maintaining effective update management.
3Loss of information
If multiple system information modification indications are included in DCI, then comprehensive update information can be provided, but message complexity increases
Solution Approach 1:
The patent uses segmentation to divide the 8-bit field into multiple specialized indicators for different system information types. Each bit or bit combination represents a specific modification type (positioning, ETWS, CMAS, etc.), providing comprehensive update information through a structured, segmented approach that manages message complexity effectively.
Solution Approach 2:
The patent changes the parameter structure by using an 8-bit field with specific bit allocations for different information types. This parameter organization allows comprehensive modification indications to be conveyed through a compact, standardized structure, providing complete update information while maintaining manageable message complexity through systematic parameter assignment.
Data Source
AI summary
Various embodiments relate to a next generation wireless communication system for supporting a higher data transmission rate or the like than a 4th generation (4G) wireless communication system. According to various embodiments, a method for transmitting and receiving a signal in a wireless communication system and an apparatus supporting same may be provided, and various other embodiments may be provided.