SS/PBCH Block Pattern Indexing for 5G Traffic
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Solution Overview
Problem
Current wireless communication systems face challenges in efficiently managing synchronization signal/physical broadcast channel (SS/PBCH) block patterns, particularly in 5G communication systems, to meet the increasing demand for wireless data traffic and support various vertical applications.
Innovation Solution
The proposed solution involves determining patterns for SS/PBCH blocks, including N candidate blocks in the time domain and M candidate blocks in the frequency domain, and identifying specific indices for these blocks to facilitate efficient transmission and reception between user equipment (UE) and base stations (BS).
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If SS/PBCH block patterns are optimized to meet increasing wireless data traffic demand, then productivity is improved, but device complexity increases
Solution Approach 1:
The SS/PBCH block pattern is segmented into multiple candidate blocks distributed across time and frequency domains. Each candidate block is independently indexed and can be selectively transmitted, allowing the system to handle increased data traffic by activating only the necessary segments rather than managing a monolithic structure.
Solution Approach 2:
The patent introduces a two-dimensional structure for SS/PBCH blocks by defining N candidate blocks in the time domain and M candidate blocks in the frequency domain. This dimensional expansion allows the system to accommodate higher traffic demands by distributing blocks across multiple dimensions, thereby managing complexity through structured organization rather than increasing single-dimension density.
2Adaptability or versatility
If multiple candidate SS/PBCH blocks are defined in time and frequency domains, then adaptability is improved, but measurement precision requirements increase
Solution Approach 1:
The patent establishes predetermined patterns of N candidate blocks in the time domain and M candidate blocks in the frequency domain before transmission occurs. These patterns are pre-configured with specific indexing schemes, allowing the receiver to efficiently identify the correct blocks through pre-established reference points rather than requiring high-precision measurement of all possible positions.
Solution Approach 2:
Multiple candidate SS/PBCH blocks are created as copies or instances of a base block structure, each positioned at different time and frequency locations with unique indices. The receiver can identify the transmitted block by matching received signals against these pre-defined copies, reducing measurement precision requirements through template matching rather than absolute positioning.
Data Source
AI summary
Methods and apparatuses for synchronization signal/physical broadcast channel (SS/PBCH) block pattern. A method of a user equipment (UE) in a wireless communication system includes determining a pattern for SS/PBCH blocks including N candidate SS/PBCH blocks in a time domain and M candidate SS/PBCH blocks in a frequency domain and identifying, for a SS/PBCH block, a first index īt(0≤īt≤N−1) from the N candidate SS/PBCH blocks in the time domain and a second index īf(0≤īf≤M−1) from M candidate SS/PBCH blocks in the frequency domain. The method further includes receiving, from a base station (BS), the SS/PBCH block based on the pattern.