Communication Network Synchronization via Quality-Capacity Source Ranking
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Solution Overview
Problem
Existing distributed antenna systems face inefficiencies due to the need for separate headend devices and external reference clock connections, leading to structural inefficiencies and limitations in selecting synchronization sources.
Innovation Solution
A network management system that selects a synchronization source based on quality and capacity parameters of connected nodes, using a priority-based approach to optimize synchronization signals.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a separate headend device is used to receive external reference clock information, then the system can obtain external synchronization signals, but the structural complexity increases and installation efficiency decreases
Solution Approach 1:
The patent combines the headend device functionality and synchronization source functionality into a single integrated device. The headend device not only receives external reference clock information but also directly provides synchronization signals to communication nodes, eliminating the need for separate synchronization sources and reducing structural complexity while maintaining synchronization reliability
Solution Approach 2:
The headend device is designed with multi-functionality, serving both as a signal reception device and as a synchronization source. This universal device can receive external reference clocks and simultaneously act as a master synchronization source for the communication network, reducing the number of components needed
2Reliability
If external reference clock information is received through cable connection, then synchronization signals can be obtained, but the installation flexibility and adaptability are limited
Solution Approach 1:
The patent introduces a network management system as an intermediary that manages multiple synchronization sources and selects the most appropriate one based on quality and capacity parameters. This mediator enables flexible adaptation to different installation scenarios while ensuring reliable synchronization signal transmission through optimal source selection
3Ease of operation
If synchronization sources are selected without considering quality and capacity parameters, then the system is simpler to operate, but the synchronization performance and network reliability are reduced
Solution Approach 1:
The network management system automatically performs synchronization source selection by evaluating quality parameters (signal stability, accuracy) and capacity parameters (number of supported slave nodes) of available synchronization sources. This self-service mechanism eliminates manual configuration complexity while ensuring optimal synchronization performance through automated parameter-based selection
Data Source
AI summary
Provided are a method of synchronizing a communication network, the method comprising obtaining a quality parameter of at least two or more synchronization sources connected to communication nodes in a communication network and a capacity parameter of the communication nodes connected to the synchronization sources, selecting a synchronization source to be used for synchronization of the communication network from among the at least two or more synchronization sources, according to a priority based on the obtained quality parameter and capacity parameter and performing synchronization of the communication network using a synchronization signal provided from the selected synchronization source.