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System and method for determining the severity of interference in different areas of a cellular radio network and coordinating radio resource management features in response
System and method for determining the severity of interference in different areas of a cellular radio network and coordinating radio resource management features in response
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机译:用于确定蜂窝无线电网络的不同区域中的干扰的严重性并响应地协调无线电资源管理功能的系统和方法
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摘要
An interference analysis tool for identifying an interference problem area in a cellular radio network in which at least a first User Equipment (UE1) and a second UE (UE2) operate. The tool receives signal quality measurements and determines uplink or downlink interference severity. For UE2 uplink interference, the tool determines a first uplink Signal-to-Interference-and-Noise-Ratio (SINR) experienced by UE2, wherein the first SINR includes uplink interference from UE1. The tool also determines a second uplink SINR level (SINR0) experienced by UE2, wherein SINR0 does not include the uplink interference from UE1. The tool calculates a difference (ΔSINR) between SINR and SINR0 for UE2, and identifies the area where UE1 is operating as an interference-causing area when the ΔSINR for UE2 is greater than a threshold value. The tool may present interference severity levels to an operator, and may initiate Radio Resource Management (RRM) procedures to mitigate interference problems in the network.
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