Synchronization Signal Burst Structure for Lower UE Blind Detection
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Solution Overview
Problem
Existing wireless communication systems face challenges in efficiently synchronizing User Equipment (UE) devices with Base Stations (BS) due to complexities in detecting and decoding Synchronization Signals (SS), particularly in New Radio (NR) systems with flexible antenna array configurations and varying beamforming techniques, leading to increased blind detection and measurement complexity.
Innovation Solution
The implementation of a structured synchronization signal burst set with fixed periodicity and synchronization signal block intervals allows UE devices to perform non-coherent combining of synchronization signals, reducing blind detection by ensuring consistent beam repetition and fixed timing intervals, enabling efficient synchronization with Base Stations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If flexible antenna array configurations and varying beamforming techniques are used in NR systems, then system adaptability and coverage are improved, but blind detection and measurement complexity increase
Solution Approach 1:
The patent segments the synchronization signal transmission into structured burst sets with defined configurations. By dividing the beamforming process into discrete synchronization signal bursts with specific time-frequency structures, the system maintains flexibility in beam directions while providing a standardized detection framework that reduces blind search complexity.
Solution Approach 2:
The patent introduces specific parameters for synchronization signal burst sets including periodicity, duration, and time domain positions. By defining these parameters systematically, the patent enables adaptability in different deployment scenarios while providing a fixed structure for UE detection, thereby reducing the complexity of blind detection and measurement.
2Measurement precision
If comprehensive frequency range searching is performed to detect Synchronization Signal, then synchronization accuracy is improved, but detection time and processing complexity increase
Solution Approach 1:
The patent applies preliminary action by providing UEs with advance information about synchronization signal burst set configurations through RRC signaling. The UE is pre-configured with parameters such as periodicity, duration, and time domain positions, allowing it to directly search for synchronization signals at expected locations rather than performing exhaustive blind searches across all frequency ranges.
Solution Approach 2:
The patent introduces configuration parameters as an intermediary between the base station and UE. These parameters act as a bridge that conveys structural information about synchronization signal transmissions from the network to the UE, enabling the UE to optimize its detection process by focusing searches on predicted signal locations rather than scanning all possible frequencies.
3Measurement precision
If non-coherent combining of synchronization signals is implemented, then synchronization accuracy is improved, but device complexity increases
Solution Approach 1:
The patent enables self-service by designing the synchronization signal structure to inherently support non-coherent combining. The repeated synchronization signals within burst sets are configured with fixed relationships that allow UEs to automatically combine multiple detections without requiring complex coordination or additional processing resources, making the complexity manageable through standardized procedures.
Data Source
AI summary
Systems and methods for synchronizing communications between a User Equipment (UE) and Base Station (BS) using a synchronization signal structure. The synchronization signal structure can include a sequence of Synchronization Signals (SS) including repetitions of a synchronization signal burst set. The synchronization signal burst set can include a plurality of synchronization signal bursts. The synchronization signal bursts can include a plurality of synchronization signal blocks, wherein the synchronization signal blocks can include a plurality of Synchronization Signals (SS).