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4G: LTE/LTE-Advanced for Mobile Broadband, 2nd Edition by Johan Skold, Stefan Parkvall, Erik Dahlman

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Chapter 18

Relaying

Abstract

A relay in LTE is in essence a small base station, wirelessly connected using the LTE radio interface to the remaining part of the radio-access network. In this chapter, the LTE release 10 relaying functionality is discussed, including both the architectural aspects and the more detailed radio-interface functionality. Particular attention is given to the tools used to handle interference between the backhaul (base-station-to-relay) and access (relay-to-terminal) links.

Keywords

relay; backhaul link; access link; R-PDCCH

The possibility of a terminal communicating with the network, and the data rate that can be used, depends on several factors, including the path loss between the terminal and the base station. The link ...

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