WIRELESS FIDELITY DEVICE FOR A WIRELESS INTERNET CAPABLE OF IMPROVING A HIDDEN NODE PROBLEM AND A WIRELESS INTERNET SYSTEM USING THE SAME

摘要

PURPOSE: A wireless fidelity (Wi-Fi) device for a wireless internet and a wireless internet system using the same are provided to effectively perform the installation, maintenance, and management of Wi-Fi access point (AP) using a mobile radio communications relay system.;CONSTITUTION: A signal transducer (130) converts an inputted Ethernet signal into multiple Wi-Fi signals. A signal combiner (150) combines inputted multiple mobile communications signals with the multiple Wi-Fi signals which are converted through the signal transducer. A signal output unit (170) outputs multiple combining signals which are combined by the signal combiner through multiple output ports. A coupler (190) branches each signal which is inputted from the signal output unit into two or more signals having predetermined phase difference and outputs it.;COPYRIGHT KIPO 2013;[Reference numerals] ((171)71,(172)72),DD,EE) Mobile communication + WiFi; (110) Signal input unit; (111,112,AA,BB) Mobile communication signal; (113,CC) Ethernet signal; (130) Signal transducer; (150) Signal combiner; (170) Signal output unit; (190) Coupler; (FF) Port 1; (GG) Port 4; (HH) Port 2; (II) Port 3