Publication:
Análisis del comportamiento de esquemas de modulación adaptativos en LTE

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Date

2009

Director

Publisher

Acceso abierto / Sarbide irekia
Contribución a congreso / Biltzarrerako ekarpena

Project identifier

Abstract

In this work, the behaviour of several modulation schemes used in 3GPP R8 or Long Term Evolution (LTE) Systems is analyzed. In order to increase the capacity of future mobile networks, high order modulation schemes like 64-QAM are envisaged, which have more stringent Signal-to-Noise restrictions. System simulation results for various modulation schemes regarding Error Vector Magnitude (EVM) values and constellation behaviour are obtained, showing dependence of quality degradation with bit rate, interference ratio and relative constellation position of the symbols. These results, related to constellation behaviour, can aid in the future design of high data rate mobility systems based on LTE.

Keywords

Esquemas de modulación, Sistemas LTE, Modulaciones y códigos adaptativos (AMC)

Department

Ingeniería Eléctrica y Electrónica / Ingeniaritza Elektrikoa eta Elektronikoa

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Degree

Doctorate program

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