Zooming: A Zoom-Based Approach for Parking Space Availability in VANET

被引:0
作者
Chang, Guey-Yun [1 ]
Sheu, Jang-Ping [2 ]
Chung, Cheng-Yu [1 ]
机构
[1] Natl Cent Univ, Dept Comp Sci & Informat Engn, Chungli, Taiwan
[2] Natl Tsing Hua Univ, Dept Comp Sci, Hsinchu 30013, Taiwan
来源
2010 IEEE 71ST VEHICULAR TECHNOLOGY CONFERENCE | 2010年
关键词
Information dissemination; parking space; vehicular ad hoc networks;
D O I
暂无
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
In this paper, we propose a zoom-based approach for parking space availability. The main idea of our scheme lies on the fact that drivers near the queried locations are interested in detail (zoomed-in) parking space information, while drivers in a distant place are interested in rough (zoomed-out) information about free parking spaces. Our zooming technique is based on discrete cosine transform. Besides, a winner-take-all scheme is also proposed to further reduce communication overhead in packet loss environment. As compared to previous work, simulation results show that our scheme reduces 40% to 50% communication overhead.
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页数:5
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