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The chapter discusses the evolution of mobile technology leading up to 4G, focusing on the characteristics of IMT-Advanced, Long-Term Evolution (LTE), and LTE Advanced Pro. It outlines key performance metrics such as peak data rates, reduced latency, and increased spectral efficiency that were necessary to enhance mobile broadband experiences. Additionally, it explains the technological advancements within LTE, including OFDM, MIMO, and carrier aggregation, which synergistically contribute to achieving the demanding requirements of modern mobile applications.
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Term: IMTAdvanced
Definition: The International Telecommunication Union's framework for defining 4G technology with specific performance goals for mobile broadband.
Term: OFDM
Definition: A modulation scheme used in LTE that allows for robust transmission of data over wireless channels by dividing the data into multiple parallel streams.
Term: MIMO
Definition: An antenna technology that utilizes multiple transmitters and receivers to improve communication performance by exploiting spatial dimension.
Term: VoLTE
Definition: Voice over LTE, a technology allowing voice communications to be transmitted over LTE's all-IP network, offering high-quality voice service.
Term: Carrier Aggregation
Definition: A technique used in LTE Advanced Pro that enables wide bandwidth transmission by combining multiple frequency bands.