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车载自组织网络中一种同时更改伪码算法 被引量：1

Algorithm of changing pseudonyms simultaneously in VANETs
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摘要 在车载自组织网络中,频繁更改伪码是一种被广泛接受的保护隐私方法。针对目前大部分更改伪码算法的有效性较低的问题,提出了一种有效的同时更改伪码算法。该算法通过在车辆周期性广播的信息中插入一个等待标识比特来提高车辆同时更改伪码的概率,从而提高更改伪码的成功率。模拟结果表明,该算法能够显著提高更改伪码的成功率,从而提高更改伪码的有效性,增强车辆的隐私保护。 Frequently changing pseudonym is commonly accepted as a solution to protect privacy in Vehicular Ad hoc NETworks（VANETs）.To against the low effectiveness of most changing pseudonym algorithms,an effective algorithm of changing pseudonyms simultaneously is proposed.In the algorithm,a bit＂wait flag＂is inserted into the information that vehicles periodically broadcast,which is used to improve the probability of changing pseudonyms simultaneously,thereby to improve the successful rate of changing pseudonyms.Simulation results show that the algorithm can effectively improve the successful rate of changing pseudonyms,thus it enhances the effectiveness of changing pseudonyms to strengthen privacy protection of vehicles.
作者 李建庆 潘媛媛 冯丽
机构地区 澳门科技大学资讯科技学院
出处 《计算机工程与应用》 CSCD 2012年第2期18-21,38,共5页 Computer Engineering and Applications
基金 澳门特别行政区科学技术发展基金(No.016/2010/A)
关键词 车载自组织网络 更改伪码 隐私保护 Vehicular Ad hoc NETworks（VANET） changing pseudonyms privacy protection
分类号 TP309 [自动化与计算机技术—计算机系统结构]
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参考文献16

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同被引文献11

  • 1J B1UM, A ESKANDARIAN, L HOFFMMAN. Challenges of in- tervehiele ad hoe networksJ. IEEE Trans. Intelligent Transpor- tation Systems, 2004,5 (4) : 347-351.
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  • 3The PATH project[EB/OL, http://www-path, eecs. berkeley. edu/.
  • 4USDoT ITS programEEB/OL, http://www, its. dot. gov/.
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  • 6L BUTTYAN,T HOLCZER, I VAJDA. On the effectiveness of changing pseudonyms to provide location privacy in vanetsEC. In Proc. the 4th European Workshop on Security and Privacy in Ad- Huc and Sensor Networks (ESAS 2007),2007129-141.
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  • 8L BUTTYAN, T HOLCZF.R, W WHYTE, et al. Slow: A practical pseudonym changing scheme for location privacy in vanets[C. In VNC 2009,20091-8.
  • 9J FREUDIGER, M MANSHAEI,J Y L BOUDEC, et al. On the age of pseudonyms in mobile ad hoe networksEC3, in: Proc. the 29th IEEE Inter national Conference on Computer Communiea tions (IEEE INFOCOM 2010),2010:1-9.
  • 10刘小洋,伍民友.车联网:物联网在城市交通网络中的应用[J].计算机应用,2012,32(4):900-904. 被引量：138

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计算机工程与应用
2012年 第2期

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