*[How to calibrate UE and eNB](HowToCalibrateeNBandUE)
*[How to connect OAI eNB with OAI UE without S1 interface](HowToConnectOAIENBWithOAIUEWithoutS1Interface)
*[How to connect OAI eNB/EPC/HSS with OAI UE using S1 interface](HowToConnectOAIENBWithOAIUEWithS1Interface)(**only valid for older version of openair-cn (tag v0.3.2)**)