Proxy-based wireless data access algorithms in mobile hotspots

被引：18
|
作者：
Pack, Sangheon [1 ]
Rutagemwa, Humphrey [2 ]
Shen, Xuemin [3 ]
Mark, Jon W. [3 ]
Park, Kunwoo [4 ]
机构：
[1] Korea Univ, Sch Elect Engn, Seoul 136701, South Korea
[2] Commun Res Ctr, Ottawa, ON K2H 8S2, Canada
[3] Univ Waterloo, Dept Elect & Comp Engn, Ctr Wireless Commun, Waterloo, ON N2L 3G1, Canada
[4] Seoul Natl Univ, Sch Engn & Comp Sci, Seoul 151742, South Korea
来源：
IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY | 2008年 / 57卷 / 05期
基金：
加拿大自然科学与工程研究理事会;
关键词：
callback (CB); mobile hotspots; poll-each-read (PER); proxy cache (PC)-based CB (P-CB); proxy cache (PC)-based PER (P-PER); wireless data access;
D O I：
10.1109/TVT.2008.917238
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 investigate efficient wireless data access algorithms in mobile hotspots. We introduce a proxy cache (PC) and propose PC-based poll-each-read (P-PER) and PC-based callback (P-CB) data access algorithms to reduce the transmission cost over wireless links in mobile hotspots. An analytical model is developed, and extensive simulations are conducted to demonstrate the performance of P-PER and P-CB. It is shown that P-PER and P-CB can improve cache hit performance and significantly reduce transmission cost. A tradeoff between P-PER and P-CB suggests the need to use a hybrid proxy-based approach to attain optimal performance of wireless data access in mobile hotspots.
引用
收藏
页码：3165 / 3177
页数：13
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