Empirically based study of channel characteristics with near-ground base-stations

Julio Santana, Héctor Carrasco, Mauricio Rodríguez

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Resumen

Based on outdoor-indoor measurements we study the channel characteristics of wideband multiple-input-multiple-output (MIMO) wireless access with near-ground base-stations (BS). These provide broadband service to indoor nomadic users in suburban residential environments. We compare near-ground channel characteristics with those of a lamp-post BS for line-of-sight (LOS) and non-line-of-sight (NLOS) conditions. Essentially path-loss models, spectral efficiencies for 2×2 and 4×4 MIMO systems, delay spreads and coherence bandwidth are evaluated. We found that in general lowering the BS array has a detrimental effect on path-loss and efficiencies. Up to 50% less efficiency was observed in the NLOS channel, and path-losses are moderately greater for both LOS and NLOS conditions. Our investigation also shows differences in the power delays profiles when varying the array height.

Idioma originalInglés
Título de la publicación alojada2015 IEEE Wireless Communications and Networking Conference, WCNC 2015
EditorialInstitute of Electrical and Electronics Engineers Inc.
Páginas183-188
Número de páginas6
ISBN (versión digital)9781479984060
DOI
EstadoPublicada - 17 jun. 2015
Publicado de forma externa
Evento2015 IEEE Wireless Communications and Networking Conference, WCNC 2015 - New Orleans, Estados Unidos
Duración: 9 mar. 201512 mar. 2015

Serie de la publicación

Nombre2015 IEEE Wireless Communications and Networking Conference, WCNC 2015

Conferencia

Conferencia2015 IEEE Wireless Communications and Networking Conference, WCNC 2015
País/TerritorioEstados Unidos
CiudadNew Orleans
Período9/03/1512/03/15

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