MIMO-STBC scheme for intervehicle communications using decision feedback channel estimation method based on propagation feature at intersection

Electronics and Communications in Japan (Part I: Communications) Pub Date : 2007-04-20 DOI:10.1002/ecja.20400

Kenji Ito, Nobuo Itoh, Katsushi Sa()nda, Yoshio Karasawa

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引用次数: 1

Abstract

This paper investigates an intervehicle communication method as a safe driving support system for intersection collision avoidance warnings. In this kind of system, realization of highly reliable communications in the physical layer is an absolute requirement. As a result, we propose a new MIMO-STBC (Space-Time Block Coding) method based on intersection propagation channel characteristics. MIMO transmission characteristics are determined by the propagation channel characteristics. First, we use a ray-tracing method simulation to clarify the propagation channel conditions, and then model the intersection propagation channel. We use the characteristics of this propagation channel to propose a MIMO-STBC method that utilizes decision feedback channel estimation, and verify the effectiveness of the proposed method in computer simulations. © 2007 Wiley Periodicals, Inc. Electron Comm Jpn Pt 1, 90(9): 1–15, 2007; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/ecja.20400

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基于交叉口传播特征的决策反馈信道估计的MIMO-STBC方案

本文研究了一种基于车辆间通信的交叉口避碰预警安全驾驶支持系统。在这种系统中，在物理层实现高可靠的通信是绝对需要的。为此，我们提出了一种基于交叉传播信道特性的空时分组编码(MIMO-STBC)方法。MIMO传输特性由传播信道特性决定。首先利用光线追踪法进行仿真，明确传播通道条件，然后对交叉传播通道进行建模。我们利用该传播信道的特点，提出了一种利用决策反馈信道估计的MIMO-STBC方法，并在计算机仿真中验证了该方法的有效性。©2007 Wiley期刊公司电子工程学报，2009,29 (1):1 - 5;在线发表于Wiley InterScience (www.interscience.wiley.com)。DOI 10.1002 / ecja.20400

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Electronics and Communications in Japan (Part I: Communications)

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