Distributed Antenna System Failure Rerouting
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Solution Overview
Problem
Existing distributed antenna systems face challenges in reliably detecting and overcoming failures in large networks of users, leading to potential service disruptions and inefficiencies in communication service distribution.
Innovation Solution
The implementation of a distributed antenna system that includes a switching matrix of programmable switches and radio distributor/combiner modules, along with a control module, which detects failures and reroutes communications services through optical input modules to provide substitute services, ensuring continuous service delivery.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Area of stationary object
If distributed antenna systems use multiple access points to improve coverage, then communication coverage area is improved, but system complexity increases
Solution Approach 1:
The system divides the coverage area into multiple antenna coverage areas, each served by a separate access point. This segmentation allows the system to expand coverage by adding more access points while maintaining manageable complexity through modular architecture.
Solution Approach 2:
The control module serves multiple functions: it monitors service failures, manages switching matrices, and coordinates rerouting across multiple access points. This universal control mechanism handles complexity centrally while allowing individual access points to remain relatively simple.
2Area of stationary object
If distributed antenna systems expand service distribution to more locations, then service coverage is improved, but failure probability increases
Solution Approach 1:
The system pre-configures switching matrices and establishes alternative routing paths before failures occur. When a failure is detected, the control module can immediately activate pre-planned rerouting, minimizing service disruption despite the increased number of potential failure points.
Solution Approach 2:
The system implements redundant routing paths and backup service channels in advance. This cushioning approach ensures that when failures occur in expanded networks, alternative paths are already prepared to maintain service continuity.
3Reliability
If the system uses switching matrices for service rerouting, then service reliability is improved, but device complexity increases
Solution Approach 1:
The control module acts as an intermediary that manages the switching matrices. It translates high-level rerouting decisions into specific switching matrix configurations, simplifying the overall system architecture by separating control logic from switching hardware.
4Reliability
If the system implements failure detection and rerouting mechanisms, then service continuity is improved, but control complexity increases
Solution Approach 1:
The control module continuously monitors service status and automatically triggers rerouting when failures are detected. This feedback mechanism enables autonomous failure recovery without manual intervention, maintaining service continuity while centralizing control logic in a single module.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This solution enhances the reliability of communication services by quickly detecting failures and rerouting services, minimizing disruptions and maintaining service quality even in the event of failures within the network.
Implementation Method 1
a plurality of optical input modules (OIMs) to which the plurality of communications services are routed
Data Source
AI summary
Technologies are described for using optical and electrical transmission of a plurality of communications services from a plurality of outside sources to a network of users via a distributed antenna system. The systems and methods disclosed herein provide for distribution of the communications services and for re-routing the services when a failure occurs. These systems and methods detect when there is a failure of the service to the network or within the network, where the failure has occurred, and how to redistribute the services via a switching network or matrix.