Geometry-based Modeling for Cooperative MIMO Channel in High-speed Railway Scenarios

Cheng TAO; Zhenqiao ZHAO; Tao ZHOU

doi:10.11999/JEIT180680

Volume 41 Issue 6

Jun. 2019

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Article Navigation > Journal of Electronics & Information Technology > 2019 > 41(6): 1344-1351

Cheng TAO, Zhenqiao ZHAO, Tao ZHOU. Geometry-based Modeling for Cooperative MIMO Channel in High-speed Railway Scenarios[J]. Journal of Electronics & Information Technology, 2019, 41(6): 1344-1351. doi: 10.11999/JEIT180680

Citation:

Cheng TAO, Zhenqiao ZHAO, Tao ZHOU. Geometry-based Modeling for Cooperative MIMO Channel in High-speed Railway Scenarios[J]. Journal of Electronics & Information Technology, 2019, 41(6): 1344-1351. doi: 10.11999/JEIT180680

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Geometry-based Modeling for Cooperative MIMO Channel in High-speed Railway Scenarios

doi: 10.11999/JEIT180680

Cheng TAO¹,
Zhenqiao ZHAO¹,
Tao ZHOU^{1, 2
,
,}

1.
Institute of Broadband Wireless Mobile Communications, Beijing Jiaotong University, Beijing 100044, China
2.
National Mobile Communications Research Laboratory, Southeast University, Nanjing 211189, China

Funds: The Natural Science Foundation of China (61701017), Beijing Natural Science Foundation (4174102), The Research Fund of National Mobile Communications Research Laboratory, Southeast University (2018D11), The Fundamental Research Funds for the Central Universities (2018JBM003))

Received Date: 2018-07-09
Rev Recd Date: 2019-01-10

Available Online: 2019-01-18

Publish Date: 2019-06-01

Abstract

Abstract

Cooperative MIMO technology can transform interference signals into useful signals by means of cooperative transmission or reception. It can solve the echo channel effect and improve the system capacity to be introduced into high-speed railway wireless communication. To master the channel characteristics of cooperative MIMO technology in high-speed railway scenarios, based on the geometric stochastic scattering theories, a new channel model for cooperative MIMO channel in high-speed railway scenarios is proposed, which can be applied to multiple high-speed railway scenarios by simply adjusting its several key parameters. Based on this model, the channel impulse response is calculated, the multi-link spatial correlation function is derived, the numerical calculation, simulation analysis and verification of measured data are carried out. Simulation results show that the multi-link spatial correlation is stronger when the LOS component is stronger and the angle spread of scattered components is smaller. The components which are scattered less times have a stronger spatial correlation. The theoretical model is verified by the measured data of the LTE special network of the Beijing-Tianjin high-speed railway section. These conclusions contribute to understanding the cooperative MIMO channels and conducting effective measurement activities.
- High-speed railway,
- Cooperative MIMO channels,
- Geometry-Based Stochastic Model(GBSM),
- Multi-link spatial correlation

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References(19)

References

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