Torres Landívar, VíctorEsparza Alfaro, FermínFalcone Lanas, Francisco Javier2017-08-182017-08-182009https://academica-e.unavarra.es/handle/2454/25229Trabajo presentado al XXIV Symposium Nacional de la Unión Científica Internacional de Radio (URSI 2009). Santander, 2009In 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.4 p.application/pdfspaEsquemas de modulaciónSistemas LTEModulaciones y códigos adaptativos (AMC)Contribución a congreso / Biltzarrerako ekarpenaAcceso abierto / Sarbide irekiainfo:eu-repo/semantics/openAccess