Reducing the MAC Latency for IEEE 802.11 Vehicular Internet Access

被引：0
|
作者：
Kwak, Daehan [2 ]
Kang, Moonsoo [1 ]
Mo, Jeonghoon [3 ]
机构：
[1] Chosun Univ, Dept Comp Sci & Engn, Kwangju 501759, South Korea
[2] Inha Univ, UWB Wireless Commun Res Ctr, Inchon 402751, South Korea
[3] Yonsei Univ, Dept Informat & Ind Engn, Seoul 120749, South Korea
来源：
EURASIP JOURNAL ON WIRELESS COMMUNICATIONS AND NETWORKING | 2010年
关键词：
This work was supported in part by the National Research Foundation of Korea (NRF) Grant funded by the Korea government (MEST) (no. 2010-0016192) and in part by Broma ITRC of the MKE; Korea; (NIPA-2010-(C1090-1011-0011));
D O I：
10.1155/2010/819168
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 an intermittently connected environment, access points are sparsely distributed throughout an area. As mobile users travel along the roadway, they can opportunistically connect, albeit temporarily, to roadside 802.11 (Wi-Fi) APs for Internet access. Networking characteristics of vehicular Internet access in an intermittently connected environment face numerous challenges, such as short periods of connectivity and unpredictable connection times. To meet these challenges, we propose an Access Point Report (APR) protocol where mobile stations opportunistically collaborate by broadcasting an APR to other mobile stations to fully utilize the short-lived connection periods. APR can optimize the use of short connection periods by minimizing the scanning delay and also act as a hint that enables mobile users to predict when connection can be established.
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页数：9
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