Reporters obtained the following quote from the background information supplied by the inventors:“OFDMA (Orthogonal Frequency Division Multiple Access) general ly refers to a multi-user version ofOFDM (Orthogonal Frequency Division Multipl exing) technology that is used in many wireless communicationsystems such as Wi -Fi and LTE. While OFDMA offers many advantages, there are also someproblems as sociated with this technology.
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