The mobile communications’ standard that succeeded the UMTS system became known as Long-Term Evolution (LTE). The Long-Term Evolution–Advanced, or LTE-Advanced (LTE-A) version, was developed by the Third-Generation Partnership Project (3GPP). The LTE-A exceeds the International Telecommunication Union (ITU) requirements for the fourth-generation radiocommunication (4G) standard, known as IMT-Advanced.
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