TIIS (한국인터넷정보학회)
Current Result Document :
| 한글제목(Korean Title) |
Position-based Routing Algorithm for Improving Reliability of Inter-Vehicle Communication |
| 영문제목(English Title) |
Position-based Routing Algorithm for Improving Reliability of Inter-Vehicle Communication |
| 저자(Author) |
Min-Woo Ryu
Si-Ho Cha
Jin-Gwang Koh
Seokjoong Kang
Kuk-Hyun Cho
|
| 원문수록처(Citation) |
VOL 05 NO. 08 PP. 1388 ~ 1403 (2011. 08) |
한글내용
(Korean Abstract) |
|
영문내용
(English Abstract) |
A vehicular ad-hoc network (VANET) consists of vehicles that form a network without any additional infrastructure, thus allowing the vehicles to communicate with each other. VANETs have unique characteristics, including high node mobility and rapidly changing network topology. Because of these characteristics, routing algorithms based on greedy forwarding such as greedy perimeter stateless routing (GPSR) are known to be very suitable for a VANET. However, greedy forwarding just selects the node nearest to the destination node as a relay node within its transmission range. This increases the possibility of a local maximum and link loss because of the high mobility of vehicles and the road characteristics in urban areas. Therefore, this paper proposes a reliability-improving position-based routing (RIPR) algorithm to solve those problems. The RIPR algorithm predicts the positions, velocities, and moving directions of vehicles after receiving beacon messages, and estimates information about road characteristics to select the relay node. Thus, it can reduce the possibility of getting a local maximum and link breakage. Simulation results using ns-2 revealed that the proposed routing protocol performs much better than the existing routing protocols based on greedy forwarding. |
| 키워드(Keyword) |
VANET
position-based routing
greedy forwarding
`
local maximum
link breakage
stale node
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| 파일첨부 |
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