Synchronization Signal Block Allocation for 5G Numerology Adaptation
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Solution Overview
Problem
In future-generation 5G wireless communication systems, there is a challenge in efficiently transmitting and receiving synchronization signal blocks (SSBs) when the numerology for SSBs differs from that of the data, which affects control information transmission and reception.
Innovation Solution
A method where SSBs are received by User Equipment (UE) in specific time durations with allocated regions, ensuring identical time intervals before, between, and after the regions, allowing for flexible allocation based on subcarrier spacing and frequency band operations, enabling efficient control information transmission even with differing numerologies.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If SSBs are transmitted with different numerology from data, then flexibility in accommodating varying communication requirements is improved, but control information transmission efficiency deteriorates
Solution Approach 1:
The synchronization signal block transmission time domain resources are segmented into multiple specific time durations, each containing allocated regions for candidate SSBs. This segmentation allows different numerologies to be accommodated in different segments while maintaining efficient control information transmission within each segment's structured regions.
Solution Approach 2:
The patent implements dynamic allocation of time durations and regions for SSB transmissions, where the number and positioning of regions can be flexibly configured based on subcarrier spacing and frequency band operations. This dynamic structure enables the system to adapt to varying numerologies while preserving control information transmission efficiency through optimized region placement.
2Productivity
If multiple regions for candidate SSBs are allocated in specific time durations, then reception efficiency of synchronization signal blocks is improved, but system complexity increases
Solution Approach 1:
The patent establishes a universal time duration structure that can accommodate multiple regions for candidate SSBs with different numerologies. This multi-functional framework allows the same basic structure to serve different frequency bands and subcarrier spacings, improving reception efficiency while avoiding the need for completely separate complex systems for each scenario.
Solution Approach 2:
The system utilizes parameter changes in subcarrier spacing and frequency band configurations to adapt the number and positioning of SSB regions within time durations. By varying these parameters rather than creating entirely different structures, the patent achieves efficient SSB reception across diverse scenarios while maintaining manageable system complexity through a unified approach.
Data Source
AI summary
The present disclosure provides a method for receiving a synchronization signal block by a UE in a wireless communication system. Particularly, the method includes receiving at least one SSB mapped to a plurality of symbols, wherein two regions for candidate SSBs in which the at least one SSB can be received are allocated in a specific time duration including the plurality of symbols, and a time between the two regions, a time before the two regions and a time after the two regions are identical in the specific time duration.