[1]夏向兰,刘南杰,黄波. VANET中基于Doppler-RSS的混合测距方法研究[J].计算机技术与发展,2015,25(04):225-228.
　XIA Xiang-lan,LIU Nan-jie,HUANG Bo. Research on Hybrid Ranging Method Based on Doppler-RSS in VANET[J].,2015,25(04):225-228.
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 VANET中基于Doppler-RSS的混合测距方法研究()
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《计算机技术与发展》[ISSN:1006-6977/CN:61-1281/TN]

卷:
25
期数:
2015年04期
页码:
225-228
栏目:
应用开发研究
出版日期:
2015-04-10

文章信息/Info

Title:
 Research on Hybrid Ranging Method Based on Doppler-RSS in VANET
文章编号:
1673-629X（2015)04-0225-04
作者:
 夏向兰; 刘南杰; 黄波
 1.南京邮电大学 通信与信息工程学院；2.南京邮电大学 网络基因工程研究所
Author(s):
 XIA Xiang-lan; LIU Nan-jie;  HUANG Bo
关键词:
 ; 协作定位; 多普勒频移; 接收信号强度; 测距
Keywords:
 ; Cooperative Positioning ( CP);  Doppler shift;  RSS;  ranging
分类号:
TP301
文献标志码:
A
摘要:
 车辆协作定位技术可以用来提高现有定位技术的定位精度，其关键是车辆间距离的测量。目前常用的测距方法是无线电测距，其中备受关注的是接收信号强度( RSS)测距，因其简单易实施，但RSS技术的测量精度受限于路径衰耗模型的选择。通过对现有协作定位测距技术的研究，综合考虑车载环境，提出了一种新的测距方法：基于多普勒频移与接收信号强度( Doppler-RSS)混合的测距方法。通过将多普勒频移和接收信号强度相结合，进行车辆间距离的测量。仿真结果表明，该方法切实可行。
Abstract:
 Cooperative Positioning ( CP) can be used for improving positioning accuracy of the existing positioning techniques. However the key for the CP is measuring the distance between vehicles. Currently,there are many methods of radio range used for ranging. Among them,radio ranging based on Received Signal Strength (RSS) is popular for its simplicity. However,the accuracy of this method relies on the selection of channel loss model. Through investigating the present ranging techniques,and considering the vehicle network environ-ments comprehensively,propose a new ranging method-Hybrid Doppler-RSS ranging. Through combining the Doppler shift and the re-ceived signal strength,estimate the distance between vehicles. The simulation results show that this method is feasible.

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更新日期/Last Update: 2015-06-08