基于改进的狭窄街道MIMO多散射信道模型分析

doi:10.11959/j.issn.1000-436x.2017207

Abstract

Abstract:

To establish scattering models that match realistic street transmission scenarios for more efficient M2M mobile communication systems,existing models mainly focus on single-scattering and double-scattering,while for narrow urban street environment,single-scattering assumption is rather restrictive.To overcome this problem,a modified multi-bounced channel model based on EBSBM was provided,in which the concept of equivalent scattering point is assumed.The multi-bounced propagation paths are considered as an one-bounced ellipse scattering path and characteristics of the model were further analyzed.General formulations of several important parameters such as the probability density function (PDF) of the angle-of-departure(AOD),angle-of-arrival (AOA) and Doppler shift were derived,which were applied to the performance of multiple-input-multiple-output（MIMO）system employing a circular array antenna.Doppler frequency distribution was also taken into account.The results show good agreement with the previously models,which validates the rationality of proposed model.

Key words: M2M communication, MIMO, EBSBM, angle of arrival, Doppler shift

CLC Number:

TN911.6

Deng-hong TANG,Jie ZHOU,Gen-fu SHAO,Mei YUAN,Qian-ying FAN. Analysis of a modified MIMO multi-bounced channel model for narrow street environment[J]. Journal on Communications, 2017, 38(10): 146-156.

Figures/Tables 15

References 25

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