Impact of BS Antenna Number and Array Geometry on Single-User LTE-A Data Throughputs in Realistic Macro and Pico Cellular Environments

Siming Zhang, Evangelos Mellios, Geoffrey Hilton, Andrew Nix, Timothy Thomas, Amitava Ghosh

Research output: Contribution to conferenceConference Paperpeer-review

5 Citations (Scopus)

Abstract

This paper evaluates the theoretic performance of
single-user multi-stream beamforming for heterogeneous LTE-A
urban deployments (i.e. Macro and Pico cells). The work
investigates the impact of six different Base Station (BS) antenna
configurations on system level capacity. Our standard
configuration assume 8 BS and 8 User Equipment (UE) antenna
elements. To enhance capacity the BS antenna number was
increased to 12 and 16. A 3D laser-scanned database for the city of
Bristol (UK) was used as input to the 3D channel propagation model along with measured 3D complex voltage and polarimetric antenna patterns for the individual BS and UE antenna elements. More than 50,000 ray-traced Pico and Macro cellular links per BS configuration were investigated to ensure statistical relevance. Our analysis quantifies the capacity of an 8x8 Single-User Multiple-Input-Multiple-Output (SU-MIMO) solution in realistic urban heterogeneous environments. Results address the system level benefits of increasing the number of BS antenna elements as well as the sensitivity of capacity to vertical and horizontal spatial element configurations.
Original languageEnglish
DOIs
Publication statusPublished - 9 Mar 2015
EventWCNC 2015 - Hilton, New Orleans, United States
Duration: 9 Mar 201512 Mar 2015

Conference

ConferenceWCNC 2015
CountryUnited States
CityNew Orleans
Period9/03/1512/03/15

Structured keywords

  • Digital Health

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