Small Cell Reconfiguration via Macro Base Station Intermediary
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Solution Overview
Problem
In mobile communication systems, small cell service regions experience frequent handover failures due to the lack of suitable system variables and operating mechanisms, particularly in high-speed packet-based communication systems like LTE-A, where optimizing wireless networks and providing configuration information effectively is challenging.
Innovation Solution
A method and apparatus for transmitting reconfiguration information of a small cell base station, which involves obtaining the latest macro cell configuration information and generating reconfiguration information to ensure seamless handovers by transmitting it to User Equipment (UE) through the macro cell base station.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If small cell service regions are used to increase capacity and solve shaded regions, then network capacity and coverage are improved, but handover failures occur frequently
Solution Approach 1:
The macro cell base station pre-generates and stores reconfiguration information for small cells before handover is needed. When a UE moves into a small cell coverage area, the pre-prepared reconfiguration information is immediately provided, enabling seamless handover without waiting for real-time configuration generation, thus reducing handover failures
Solution Approach 2:
The macro cell base station acts as an intermediary that manages and distributes reconfiguration information to UEs during handover to small cells. This intermediary role ensures that UEs receive accurate and timely configuration data, coordinating the handover process between macro and small cells to improve reliability
2Loss of time
If small cell reconfiguration is performed without obtaining latest macro cell configuration information, then reconfiguration speed is improved, but configuration accuracy deteriorates
Solution Approach 1:
The macro cell base station obtains and stores the latest macro cell configuration information in advance, so when small cell reconfiguration is needed, this pre-acquired information can be immediately used to generate accurate reconfiguration data without additional delay
Solution Approach 2:
The system implements a feedback mechanism where the macro cell base station continuously updates and provides the latest macro cell configuration information to small cells. This ensures that reconfiguration information is always based on current network state, maintaining high accuracy while enabling rapid reconfiguration
Data Source
AI summary
A method and an apparatus, in a mobile communication system, for effectively providing configuration information about a small cell that has a small cell service region are provided. The method for transmitting reconfiguration information of a small cell base station in a mobile communication system includes: when deciding to reconfigure a small cell, obtaining the latest macro cell configuration information from a macro cell base station; generating reconfiguration information about the small cell on the basis of the obtained macro cell configuration information; and transmitting, to the macro cell base station, the regenerated reconfiguration information so that the macro cell base station can transmit the reconfiguration information to User Equipment (UE).