EMS-Based Sleeping Cell Detection for 5G Base Station Management
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Solution Overview
Problem
The increasing number of base stations in wireless communication systems necessitates effective management technologies to address abnormal operations and faults, particularly in 5G networks, where traditional methods may fail to detect sleeping cells that do not alert administrators of their abnormal states.
Innovation Solution
An Element Management System (EMS) is implemented to receive performance statistics from multiple base stations, identify abnormal operations, and transmit alarm messages for detected sleeping cells, utilizing radio resource control connection data and uplink signal reception metrics to facilitate efficient network management.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If traditional management methods are used for base stations, then the system is simple to operate, but sleeping cells cannot be detected and abnormal operations are not identified
Solution Approach 1:
An Element Management System (EMS) is introduced as an intermediary between base stations and administrators. The EMS collects performance statistics from multiple base stations, processes this data to identify sleeping cells and abnormal operations, and generates alarm messages. This mediator enables sophisticated detection capabilities while shielding administrators from the underlying system complexity.
Solution Approach 2:
The system implements continuous feedback loops where the EMS periodically collects performance statistics from base stations, analyzes the data for abnormalities, and sends alarm messages when issues are detected. This feedback mechanism enables automatic detection and notification of sleeping cells without requiring constant administrator intervention.
2Productivity
If the number of base stations is increased to meet wireless data traffic demand, then network capacity improves, but management and detection of abnormal operations becomes more difficult
Solution Approach 1:
Multiple base station management functions are merged into a single Element Management System (EMS). The EMS consolidates the collection, analysis, and monitoring of performance statistics from numerous base stations into one centralized platform, enabling efficient management of large-scale networks while maintaining detection capabilities across all nodes.
Solution Approach 2:
The Element Management System performs multiple functions simultaneously: collecting performance statistics, identifying sleeping cells, detecting abnormal operations, and generating alarm messages. This multi-functional approach enables the system to handle diverse management tasks across expanding network infrastructure through a single versatile platform.
3Measurement precision
If performance statistics are continuously collected from all base stations, then detection accuracy improves, but system resource consumption increases
Solution Approach 1:
The system collects performance statistics continuously but only triggers alarm messages when specific abnormal conditions are detected. Rather than processing all data uniformly, the EMS focuses computational resources on identifying and responding to actual anomalies, reducing unnecessary resource consumption while maintaining high detection accuracy for problematic base stations.
Data Source
AI summary
The present disclosure relates to a pre-5th-Generation (5G) or 5G communication system to be provided for supporting higher data rates Beyond 4th-Generation (4G) communication system such as Long Term Evolution (LTE). According to a method of the disclosure, an element management system (EMS) may perform a report on an error of a base station based on base station performance statistics, and an administrator may effectively manage the base station according thereto. According to an embodiment of the disclosure, a method of EMS is provided. The method comprises: receiving, from a plurality of base stations, first base station performance statistics information including at least one of a number of times of radio resource control (RRC) connection establishment attempts and a number of times of RRC connection establishment successes; identifying second base station performance statistics information, based on the first base station performance statistics information; identifying at least one first base station among the plurality of base stations, based on the second base station performance statistics information; identifying whether at least one second base station is detected from among the base stations other than the at least one first base station among the plurality of base stations, based on the second base station performance statistics information; and based on the at least one second base station being detected, transmitting an alarm message for the at least one second base station.