Beam-Specific SSB and RMSI Configurations for Wireless Coverage
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Solution Overview
Problem
Existing wireless communication systems face challenges in providing uniform spatial coverage and energy efficiency due to non-uniform UE density and mobility patterns, which are not effectively addressed by uniform configurations for synchronization signal blocks (SSBs) and remaining minimum system information (RMSI).
Innovation Solution
Implementing beam-specific configurations for SSBs and RMSI, which allow for on-demand transmission, repetition, and periodicity adjustments based on non-uniform UE density, mobility zones, and spatial coverage, enabling more efficient resource allocation and energy management.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If uniform configurations are used for SSBs and RMSI, then system simplicity is maintained, but spatial coverage uniformity deteriorates due to non-uniform UE density and mobility patterns
Solution Approach 1:
The patent applies local quality by transitioning from uniform configurations to beam-specific configurations where SSB and RMSI parameters are customized according to local UE density, mobility patterns, and spatial coverage characteristics. Each beam is configured independently with parameters such as periodicity, on-demand transmission, and repetition factors tailored to its specific service area requirements.
2Adaptability or versatility
If beam-specific configurations are implemented for SSBs and RMSI, then spatial coverage adaptability is improved, but configuration complexity increases
Solution Approach 1:
The patent segments the service area into multiple beams, each with independent configuration parameters. This segmentation allows granular control over SSB and RMSI transmission characteristics for different spatial regions, enabling optimization based on local UE density and mobility patterns while maintaining overall system manageability through structured configuration frameworks.
Solution Approach 2:
The patent introduces dynamic configuration capabilities where beam-specific parameters such as periodicity, on-demand transmission indicators, and repetition factors can be adjusted based on changing UE density and mobility conditions. This dynamic adaptation allows the system to respond to varying network conditions while maintaining configurability through standardized parameters.
3Ease of manufacture
If uniform transmission parameters are used for SSBs and RMSI, then implementation simplicity is maintained, but energy efficiency deteriorates due to inability to adapt to non-uniform UE distribution
Solution Approach 1:
The patent changes transmission parameters dynamically based on beam-specific UE density and mobility characteristics. Parameters such as periodicity, transmission duration, and repetition factors are adjusted to match actual network conditions, reducing energy consumption in areas with low UE density while ensuring reliable coverage in high-density regions.
Solution Approach 2:
The patent implements periodic transmission with adjustable periods for SSB and RMSI in each beam. By optimizing the periodicity parameter based on local UE distribution patterns, the system can reduce transmission frequency in low-activity areas (saving energy) while maintaining adequate refresh rates in high-activity areas for continuous service.
4Reliability
If beam-specific configurations with on-demand and repetition options are implemented, then signal reception reliability is improved, but system complexity increases
Solution Approach 1:
The patent incorporates feedback mechanisms where the network monitors signal reception quality and UE feedback information to dynamically adjust beam configurations. Based on this feedback, the system can optimize periodicity, enable on-demand transmission when needed, and adjust repetition factors to improve signal reception reliability while adapting to actual user requirements.
Solution Approach 2:
The patent implements preliminary configuration of beam-specific parameters including pre-setting of periodicity, on-demand indicators, and repetition factors before actual transmission occurs. This preliminary configuration allows the system to be pre-optimized for expected conditions while maintaining flexibility to adjust based on real-time feedback, reducing the need for complex real-time decision-making.
Data Source
AI summary
Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may receive a beam-specific configuration associated with synchronization signal blocks (SSBs) or remaining minimum system information (RMSI), wherein the beam-specific configuration indicates one or more of: an on-demand SSB, an SSB repetition, an on-demand RMSI, or an RMSI repetition. The UE may receive one or more of SSBs or RMSI based at least in part on the beam-specific configuration. Numerous other aspects are described.