Elevation Power Spectrum Measurement and Interference Analysis of UMa I2O Uplink Channels

Ruonan Zhang, Haochen Xu, Bin Li, Zhimeng Zhong, Chao Li

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

2 Scopus citations

Abstract

Full-dimensional (FD) beamforming extends spatial multiplexing to the elevation domain and increases network capacity significantly. However, the beamforming employing a large number of active antenna elements consumes great power and also causes interference among sectors. The multipath spatial propagation characteristics determines the beamforming performance and should be investigated carefully. This paper presents a field measurement campaign for the indoor-to-outdoor (I2O) uplink channels in a typical urban macro-cellular (UMa) scenario. The elevation power spectra (EPS) were obtained when the user equipment (UE) was on several floors. We have found that the EPS can be well modeled by the modified Laplacian distribution. Furthermore, we evaluate the interference between two UEs on different floors in the elevation multiplexing. Finally, we provide the advice to improve the energy efficiency of FDbeamforming. The obtained channel model can help with the design of the spatial multiplexing and also green communications.

Original languageEnglish
Title of host publication2019 International Conference on Computing, Networking and Communications, ICNC 2019
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages936-942
Number of pages7
ISBN (Electronic)9781538692233
DOIs
StatePublished - 8 Apr 2019
Event2019 International Conference on Computing, Networking and Communications, ICNC 2019 - Honolulu, United States
Duration: 18 Feb 201921 Feb 2019

Publication series

Name2019 International Conference on Computing, Networking and Communications, ICNC 2019

Conference

Conference2019 International Conference on Computing, Networking and Communications, ICNC 2019
Country/TerritoryUnited States
CityHonolulu
Period18/02/1921/02/19

Keywords

  • Channel measurement
  • full-dimensional beamforming
  • inter-user interference
  • multipath propagations
  • urban macro-cell

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