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DSRC接收机方案的改进设计
发表时间：2015-09-30 浏览量：1964 下载量：495
| 全部作者： | 严昊，张欣 |
| 作者单位： | 北京邮电大学信息与通信工程学院 |
| 摘 要： | 研究专用短距通信（dedicated short range communications，DSRC）的接收机设计方案。DSRC是一种高效的无线通信技术，主要用于车辆到车辆（vehicle to vehicle，V2V）、车辆到设施（vehicle to infrastructure，V2I）通信。为解决日益严重的道路交通安全问题及满足人们对车际通信相关服务的巨大需求，提出一种新型的DSRC接收机方案，在频域上联合采用判决反馈均衡与等增益合并两种技术，改进了DSRC接收机的性能，使系统能够在不改变发送端协议的前提下，大幅提升DSRC物理层性能，便于DSRC在实际应用中推广。 |
| 关 键 词： | 通信技术；专用短距通信；接收机设计；判决反馈均衡；等增益合并 |
| Title： | Improved design of DSRC receiver |
| Author： | YAN Hao, ZHANG Xin |
| Organization： | School of Information and Communication Engineering, Beijing University of Posts and Telecommunications |
| Abstract： | In this paper, we studied the dedicated short range communications (DSRC) receiver design. DSRC is a highly efficient wireless communication technology, mainly for V2V (vehicle to vehicle) and V2I (vehicle to infrastructure) communications. With road traffic safety issues growing as well as the huge demand for inter-vehicle communications-related services, we propose a new DSRC receiver scheme which combines two techniques which are decision feedback equalization and equal gain combining in frequency domain. Simulation results show that our receiver scheme can significantly improve DSRC physical layer performance without the modification of transmit protocol, so it can accelerate the promotion of DSRC in practice. |
| Key words： | communication technology; dedicated short range communications; receiver design; decision feedback equalization; equal gain combine |
| 发表期数： | 2015年9月第18期 |
| 引用格式： | 严昊，张欣. DSRC接收机方案的改进设计[J]. 中国科技论文在线精品论文，2015，8（18）：1876-1883. |
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