Beamformed SSB Resource Layout for Shorter Measurement Gaps
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing synchronization signal block (SSB) configurations result in inefficient use of time-frequency resources and unnecessarily lengthy measurement gap lengths, which are undesirable for wireless communication devices.
Innovation Solution
Configuring SSB resources to convey PSS, SSS, and PBCH within a time-frequency resource grid with a predetermined constant product of integer numbers, ensuring equal REs per symbol and non-zero values except in frequency guard bands, and transmitting as beamformed SSBs.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If traditional SSB configurations are used, then synchronization signals can be transmitted, but time-frequency resources are inefficiently used and measurement gap lengths become unnecessarily lengthy
Solution Approach 1:
The patent applies parameter changes by defining specific integer parameters (first and second configured integer numbers) that bound the time and frequency resources of the SSB. By changing these parameters to achieve a predetermined constant product, the system optimizes the time-frequency resource allocation, thereby reducing measurement gap lengths and improving communication efficiency without sacrificing synchronization signal transmission requirements
2Productivity
If SSB resources are configured with equal REs per symbol and non-zero values except in guard bands, then time-frequency resource efficiency is improved, but configuration complexity increases
Solution Approach 1:
The patent applies segmentation by dividing the SSB into distinct components (PSS, SSS, PBCH) and assigning them to specific resource elements within the time-frequency grid. By segmenting the resource allocation and defining clear boundaries with guard bands, the system achieves efficient resource utilization while maintaining manageable configuration complexity through structured organization
Solution Approach 2:
The patent uses parameter changes by establishing that all REs in each SSB symbol except those within frequency guard bands must have non-zero values, and by defining the product of time and frequency bounding integers as a predetermined constant. These parameter constraints simplify the configuration process while ensuring optimal resource efficiency
Data Source
AI summary
A network entity configures a synchronization signal block (SSB) using SSB resources that convey a primary synchronization signal (PSS), a secondary synchronization signal (SSS), and a physical broadcast channel (PBCH) within an SSB resource area of a resource grid bounded in time by a first configured integer number of time units and bounded in frequency by a second configured integer number of physical channels. A product of the first configured integer number and the second configured integer number is a predetermined constant value, each symbol of the SSB has an equal number of resource elements (REs), and all REs in the each symbol of the SSB, except REs within a frequency guard band between any two of the PSS, the SSS, and the PBCH in the each symbol of the SSB, have non-zero values. A user equipment receives the SSB in the SSB resources as a beamformed SSB.