Per-Physical Cell Identifier Configuration for Multi-TRP Wireless Networks
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Solution Overview
Problem
Current wireless communication technologies, such as LTE and NR, face challenges in optimizing the configuration of multiple remote radio heads (RRHs) associated with a base station, leading to suboptimal performance due to differing radio frequency characteristics and hardware configurations across RRHs, which affects communication efficiency and throughput.
Innovation Solution
Implementing per-physical cell identifier (PCI) configuration methods that provide radio resource control (RRC) settings specific to each RRH, based on its characteristics, allowing for individualized configurations for each PCI, enabling improved communication by selecting the most suitable RRH for user equipment (UE) based on measurement reports.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If a single configuration is used for all remote radio heads (RRHs) associated with a base station, then the device complexity and configuration management are simplified, but the communication performance and throughput are suboptimal due to differing radio frequency characteristics and hardware configurations across RRHs
Solution Approach 1:
The patent divides the unified base station configuration into separate per-RRH configurations. Each RRH receives individual configuration parameters tailored to its specific hardware characteristics and radio frequency properties, allowing optimized performance for each remote unit while maintaining manageable complexity through structured configuration distribution.
Solution Approach 2:
The patent applies local quality by configuring each RRH with parameters specific to its location and hardware characteristics. Different RRHs receive different configuration settings based on their individual radio frequency characteristics, enabling each unit to operate at optimal performance for its specific conditions rather than using a one-size-fits-all approach.
2Productivity
If per-RRH configuration parameters are implemented to optimize communication performance, then the throughput and communication efficiency are improved, but the configuration management complexity and signaling overhead increase
Solution Approach 1:
The patent performs preliminary configuration actions by pre-configuring each RRH with optimized parameters before operation. The base station distributes configuration parameters to RRHs in advance, allowing each RRH to be pre-optimized for its specific hardware characteristics, which simplifies runtime management while maintaining high performance.
3Adaptability or versatility
If individualized configurations are provided for each physical cell identifier (PCI) associated with different RRHs, then the adaptability and performance optimization are improved, but the signaling overhead and information management complexity increase
Solution Approach 1:
The patent segments the configuration information into PCI-specific parameters distributed to individual RRHs. Each RRH receives only the configuration parameters relevant to its specific PCI and hardware characteristics, reducing overall signaling overhead by avoiding redundant information transmission while maintaining high adaptability for each individual cell.
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 plurality of configurations corresponding to a plurality of physical cell identifiers (PCIs), wherein the plurality of PCIs are associated with a serving cell, and wherein the plurality of configurations are based at least in part on respective transmit receive points (TRPs) and indicate synchronization signal block configurations of the plurality of PCIs; receive information indicating an TRP, of the respective TRPs, or a PCI corresponding to the TRP; and perform a communication with the TRP based at least in part on the PCI in accordance with a configuration, of the plurality of configurations, corresponding to the PCI. Numerous other aspects are provided.