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3G Evolution, 2nd Edition by Per Beming, Johan Skold, Stefan Parkvall, Erik Dahlman

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Chapter 14. LTE Radio Access: an Overview

In the previous chapter, the targets of LTE were discussed. In this chapter, an overview of some of the most important technology components and features of LTE will be provided. Chapters 1520 will then provide a more detailed description of the LTE radio access.

As already mentioned, in parallel to the development of LTE, there has also been an evolution of the overall 3GPP architecture, a work known as the System Architecture Evolution (SAE). A description of SAE and the guiding principles behind the SAE design is found in Chapter 21.

14.1. LTE Transmission Schemes: Downlink OFDM and Uplink DFTS-OFDM/SC-FDMA

The LTE downlink transmission scheme is based on OFDM. As discussed in Chapter 4, OFDM is ...

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