Staggered Simulcasting Group Distribution for Wireless Networks
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Solution Overview
Problem
Conventional wireless communication systems face challenges in maximizing signal to interference and noise ratio (SINR) and network throughput due to limitations in simulcasting and de-simulcasting configurations, particularly in distributed antenna systems (DAS), where a single simulcasting group distribution is often used for all carriers, leading to suboptimal performance.
Innovation Solution
Implementing staggered simulcasting group distributions for different carriers, where each carrier employs a unique configuration of remote antenna units to enhance SINR and increase network throughput by dynamically adjusting simulcasting and de-simulcasting based on traffic and user distribution, using a base station simulcast controller module to manage and optimize these configurations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If a single simulcasting group distribution is used for all carriers in a distributed antenna system, then the system configuration is simple and easy to manage, but the signal to interference and noise ratio (SINR) and network throughput are suboptimal
Solution Approach 1:
The patent divides the single simulcasting group distribution into multiple carrier-specific simulcasting group distributions. Each carrier is assigned its own simulcasting group configuration, allowing independent optimization. This segmentation enables different carriers to serve different geographical areas or user groups simultaneously, improving SINR by reducing inter-carrier interference while maintaining manageable complexity through standardized configuration procedures.
Solution Approach 2:
The patent implements dynamic simulcasting group distribution where the system can switch between different simulcasting configurations based on traffic conditions, user distribution, and network load. The base station controller dynamically adjusts which remote antenna units simulcast together for each carrier, optimizing SINR in real-time while adapting to changing network conditions without requiring complete reconfiguration.
2Ease of manufacture
If a single simulcasting group distribution is used for all carriers, then the system is easy to deploy and maintain, but the network throughput and capacity are limited
Solution Approach 1:
The patent segments the network into carrier-specific simulcasting domains, where each carrier can be independently optimized for throughput. This allows parallel data streams on different carriers to coexist without interference, effectively multiplying the network capacity. The segmented approach maintains ease of deployment through modular configuration files and standardized interfaces while enabling sophisticated throughput optimization.
Solution Approach 2:
The patent creates a universal simulcasting framework that can accommodate multiple carriers with different configurations simultaneously. The base station controller implements a unified management system that handles carrier-specific simulcasting groups through a common interface, maintaining operational simplicity while enabling multi-carrier throughput optimization. This multi-functional approach allows the same infrastructure to support diverse service requirements.
3Area of stationary object
If remote antenna units are configured for simulcasting on one carrier, then coverage is improved in that area, but the same remote antenna units cannot simultaneously provide de-simulcasting for other carriers, limiting capacity
Solution Approach 1:
The patent segments the remote antenna unit resources across different carriers, allowing each carrier to have its own optimized simulcasting groups. Remote antenna units can be assigned to different simulcasting configurations on different carriers, enabling simultaneous coverage optimization for multiple carriers. This segmentation provides the flexibility to adapt each carrier's coverage pattern to specific service requirements while utilizing the same physical infrastructure.
Data Source
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AI summary
Distributed antenna systems (DASs) can include a plurality of spatially separated remote antenna units. According to at least one example, a first group of remote antenna units can simulcast downlink transmissions on a first carrier with a particular sector identity (ID). A second group of remote antenna units, including at least one different remote antenna unit from the first group, can simulcast downlink transmissions on a second carrier with the same sector ID. According to at least one other example, two or more remote antenna units which include respective coverage areas that are non-adjacent to one another can be employed to simulcast downlink transmissions.