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Fundamentals of LTE by Rias Muhamed, Jeffrey G. Andrews, Jun Zhang, Arunabha Ghosh

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Chapter 7. Downlink Transport Channel Processing

In Chapters 7 to 9, we focus on the PHY layer of the LTE radio interface. As introduced in Chapter 6, the PHY layer provides services to the MAC layer through transport channels. In this and the next chapter, we provide a detailed description of physical layer processing on downlink and uplink transport channels, respectively. Data and control streams coming from the MAC layer are organized in the form of transport blocks. Each transport block is a group of resource blocks with a common modulation and coding scheme. The physical layer processing mainly consists of coding and modulation, which maps each transport block to specific physical time-frequency resources. A solid understanding of the ...

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