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Interference Modeling for Low-Height Air-to-Ground Channels in Live LTE Networks

Cai, Xuesong LU ; Zhang, Chao LU orcid ; Rodríguez-Piñeiro, José ; Yin, Xuefeng ; Fan, Wei and Pedersen, Gert Frolund (2019) In IEEE Antennas and Wireless Propagation Letters 18(10).
Abstract
In this letter, a recently conducted measurement campaign in two suburban scenarios for investigating the low-height air-to-ground channels is presented. A universal-software-radio-peripheral-based channel sounder on-board an unmanned aerial vehicle (UAV) was exploited to record the real-time downlink signals of the live Long Term Evolution networks. Several horizontal flights at different heights were conducted in the measurement campaign. Channel impulse responses (CIRs) of links from the UAV to different live cells were extracted by exploiting the cell-specific reference signals received in the downlink data. By using the empirical CIRs, a maximization likelihood estimator is derived based on the space-alternating generalized... (More)
In this letter, a recently conducted measurement campaign in two suburban scenarios for investigating the low-height air-to-ground channels is presented. A universal-software-radio-peripheral-based channel sounder on-board an unmanned aerial vehicle (UAV) was exploited to record the real-time downlink signals of the live Long Term Evolution networks. Several horizontal flights at different heights were conducted in the measurement campaign. Channel impulse responses (CIRs) of links from the UAV to different live cells were extracted by exploiting the cell-specific reference signals received in the downlink data. By using the empirical CIRs, a maximization likelihood estimator is derived based on the space-alternating generalized expectation-maximization principle to obtain the signal power for individual channels between multiple base stations and the UAV. Interference, number of detected cells, handover rate, etc., are studied, which provide insights to understand interference for low-height air-to-ground channels. (Less)
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author
; ; ; ; and
publishing date
type
Contribution to journal
publication status
published
subject
in
IEEE Antennas and Wireless Propagation Letters
volume
18
issue
10
publisher
IEEE - Institute of Electrical and Electronics Engineers Inc.
external identifiers
  • scopus:85077442621
ISSN
1548-5757
DOI
10.1109/LAWP.2019.2936264
language
English
LU publication?
no
id
858e5ab6-13ba-4990-a670-e1f2955d96e9
date added to LUP
2020-08-22 11:01:36
date last changed
2022-04-19 00:18:24
@article{858e5ab6-13ba-4990-a670-e1f2955d96e9,
  abstract     = {{In this letter, a recently conducted measurement campaign in two suburban scenarios for investigating the low-height air-to-ground channels is presented. A universal-software-radio-peripheral-based channel sounder on-board an unmanned aerial vehicle (UAV) was exploited to record the real-time downlink signals of the live Long Term Evolution networks. Several horizontal flights at different heights were conducted in the measurement campaign. Channel impulse responses (CIRs) of links from the UAV to different live cells were extracted by exploiting the cell-specific reference signals received in the downlink data. By using the empirical CIRs, a maximization likelihood estimator is derived based on the space-alternating generalized expectation-maximization principle to obtain the signal power for individual channels between multiple base stations and the UAV. Interference, number of detected cells, handover rate, etc., are studied, which provide insights to understand interference for low-height air-to-ground channels.}},
  author       = {{Cai, Xuesong and Zhang, Chao and Rodríguez-Piñeiro, José and Yin, Xuefeng and Fan, Wei and Pedersen, Gert Frolund}},
  issn         = {{1548-5757}},
  language     = {{eng}},
  month        = {{08}},
  number       = {{10}},
  publisher    = {{IEEE - Institute of Electrical and Electronics Engineers Inc.}},
  series       = {{IEEE Antennas and Wireless Propagation Letters}},
  title        = {{Interference Modeling for Low-Height Air-to-Ground Channels in Live LTE Networks}},
  url          = {{http://dx.doi.org/10.1109/LAWP.2019.2936264}},
  doi          = {{10.1109/LAWP.2019.2936264}},
  volume       = {{18}},
  year         = {{2019}},
}