Low rate and high reliable modulation schemes for in-vehicle power line communications

Low rate and high reliable modulation schemes for in-vehicle power line communications
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用于车载电力线通信的低速率和高可靠调制方案

DOI:
10.1109/isplc.2011.5764401
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发表时间:
2011
期刊:
Proceedings of the 2011 IEEE International Symposium on Power-Line Communications and Its Applications (IEEE ISPLC 2011)
影响因子:
--
通讯作者:
and S. Horihata
and S. Horihata
中科院分区:
--
文献类型:
--
作者:
Y. Yabuuchi;D. Umehara;M. Morikura;T. Morita;S. Ishiko;and S. Horihata

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车载信号传输需要专用的通信电缆,如扭曲的金属线和光纤电缆,这增加了车辆线束的重量和体积。研究了低速率车载电力线通信(PLC)系统,通过车载电力线实现电子控制单元(ecu)之间的控制数据通信。为了设计低速率车载PLC系统,对通信信道进行了分析。结果表明,该信道的主要特征是频率选择性衰减和窄带脉冲噪声。本文建立了车载PLC的脉冲噪声模型,分析了二相移键控(BPSK)、差分键控(DBPSK)和开关键控(OOK)中载波频率选择和模拟限幅器对窄带脉冲噪声信道的影响。仿真结果表明,DBPSK和带硬限幅器的差分检测实现了低速率车载PLC系统的高可靠性和高性价比通信。
In-vehicle signal transmission requires dedicated communication cables such as twisted metal wires and optical fiber cables, which increase the weight and volume of wiring harnesses in vehicles. Low rate in-vehicle power line communication (PLC) systems are investigated to communicate the control data between electronic control units (ECUs) via in-vehicle power lines. To design low rate in-vehicle PLC systems, the communication channels are analyzed. It is shown that the channels are mainly characterized by frequency selective attenuation and narrowband impulsive noise. In this paper, a model of impulsive noise is presented for in-vehicle PLC and effects of carrier frequency selection and analog limiter on narrowband impulsive noise channels are analyzed in binary phase shift keying (BPSK), differential BPSK (DBPSK), and on-off keying (OOK). The simulation results show that DBPSK and differential detection with hard limiter achieve high reliable and cost-effective communications for low rate in-vehicle PLC systems.
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