Dynamic Signal Routing in Distributed Antenna Systems
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Solution Overview
Problem
Macro cells used for providing cellular communication to facilities are expensive to operate and maintain, require extensive cabling, and cannot dynamically adjust to changing connectivity needs within the facility.
Innovation Solution
A distributed antenna system (DAS) with small cell devices and Radio Access Units (RAUs) that are configured based on inputs from sensors and control networks to dynamically route cellular communication signals, reducing the need for extensive cabling and allowing for flexible coverage adjustments.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If macro cells are used to provide cellular communication to facilities, then cellular coverage is provided, but operational costs increase and extensive cabling is required
Solution Approach 1:
The patent segments the cellular communication system into multiple small cell devices distributed throughout the facility, each providing localized coverage. This replaces the single macro cell approach, reducing the need for extensive long-distance cabling and lowering operational costs while maintaining reliable cellular coverage through coordinated multiple nodes
Solution Approach 2:
The patent transitions from a single-point macro cell architecture to a distributed spatial network of small cells. By adding spatial distribution as a dimension, the system achieves comprehensive coverage without requiring expensive long-haul cabling infrastructure, as each small cell communicates with the core network through shorter, more efficient connections
2Reliability
If macro cells are positioned at distance and high elevation, then cellular signals are provided, but expensive cabling and installation are required
Solution Approach 1:
The patent applies local quality by placing small cell devices at optimal local positions within each facility zone rather than requiring a single high-elevation macro cell. Each small cell is positioned to serve its specific local area, reducing the need for extensive cabling runs and simplifying installation while maintaining signal coverage through localized optimization
3Reliability
If fixed cellular infrastructure is installed, then coverage is provided, but dynamic adjustment to changing connectivity needs is not possible
Solution Approach 1:
The patent implements dynamics by enabling small cell devices to dynamically adjust their operational status, signal parameters, and resource allocation based on real-time connectivity demands. The system can activate or deactivate specific small cells, modify beamforming patterns, and adjust power levels in response to changing occupancy and traffic patterns, providing adaptive connectivity without requiring physical reconfiguration
Data Source
AI summary
In various embodiments, methods, systems, software, and apparatuses for dynamically routing signals in a facility are provided, e.g., depending on current and/or predicted occupancy in the facility. The method may include: identifying small cell devices and Radio Access Units (RAUs) operatively coupled to a network of the facility; receiving one or more inputs through the network; determining a configuration for routing cellular communication signals between one or more of the small cell devices and one or more of the RAUs, which configuration is based at least in part on the one or more inputs; and routing the cellular communication signals between the one or more of the small cell devices and the one or more of the RAUs based at least in part on the configuration.