Meandered monopoles for 700 MHz LTE handsets and improved MIMO channel capacity performance

Ibra Dioum, Mark Clemente, Aliou Diallo, Cyril Luxey, Jean Pierre Rossi, Sidi Mohamed Farssi

Producción científica: Contribución a una revistaArtículorevisión exhaustiva

5 Citas (Scopus)


In this paper, we present the design and the measurement of MIMO meandered monopole antennas and the computation of their channel capacity performance. The initial proposed handset-system is composed of a meandered monopole operating in the LTE 700 MHz band, connected to a parasitic radiating element for the upper 2.5 GHz LTE band. Two antennas of the same kind are then closely positioned on the same 120×50 mm 2 Printed Circuit Board (PCB). A neutralization line connects the two antennas to enhance their port-to-port isolation in the 700 MHz band. The computation of the channel capacity performance in this band is based on propagation simulations performed with the GRIMM model from the CREMANT. Two system-prototypes are evaluated: one with the neutralization line for enhanced port-to-port isolation and a second without the neutralization exhibiting poor antenna-to-antenna isolation. It is demonstrated that the neutralization technique helps in giving a minimum improvement of 12% of the capacity performance of the handset-system, and a maximum improvement 46%, in the chosen environment.

Idioma originalInglés
Páginas (desde-hasta)726-732
Número de páginas7
EstadoPublicada - dic. 2011
Publicado de forma externa


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