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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Hung-Chin Jang Wen-Chieh Feng |
| Copyright Year | 2010 |
| Abstract | In recent years the research on Vehicular Ad Hoc Network (VANET) has been paid much attention due to the development of wireless network becoming mature, people think highly of traffic safety issue, the popularity of Global Positioning System (GPS), promising applications of VANET being exploited. However, VANET has the essential property of rapid change of large scale network topology. Besides, the vehicles distributed over the road usually causes serious signal collisions and interferences. Thus, it calls for special concern to deal with the performances of throughput, collision and delay. In this paper we propose a Detection-Based MAC mechanism by modifying RTS/CTS to detect network congestion through message exchange and predict number of competing nodes. Both these information is used to dynamically adjust contention window size. Simulations focus on the MAC layer of IEEE 802.11p and the results show that the proposed method is able to effectively increase overall throughput, reduce packet collision rate and delay time. |
| Starting Page | 1 |
| Ending Page | 5 |
| File Size | 493927 |
| Page Count | 5 |
| File Format | |
| ISBN | 9781424425181 |
| ISSN | 15502252 |
| DOI | 10.1109/VETECS.2010.5494183 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2010-05-16 |
| Publisher Place | Taiwan |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Global Positioning System Road accidents Throughput Vehicle dynamics Ad hoc networks Wireless networks Telecommunication traffic Safety Large-scale systems Network topology |
| Content Type | Text |
| Resource Type | Article |
| Subject | Applied Mathematics Electrical and Electronic Engineering Computer Science Applications |
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