An Adaptive Frame Length Aggregation Scheme in Vehicular Delay-Tolerant Networks

被引：0
|
作者：
Zhou, Xiaoli [1 ]
Boukerche, Azzedine [1 ]
Mammeri, A. [1 ]
机构：
[1] Univ Ottawa, Sch Elect & Comp Engn, Ottawa, ON, Canada
来源：
2015 IEEE GLOBAL COMMUNICATIONS CONFERENCE (GLOBECOM) | 2015年
关键词：
Vehicular delay-tolerant networks; aggregation; frame length; PACKET SIZE; MAC; EFFICIENT;
D O I：
10.1109/GLOCOM.2015.7417371
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：
Vehicular delay-tolerant networks (VDTN) experience high-speed mobility and volatile topology on a large scale. Therefore, VDTN may not guarantee end-to-end connections. This gives the MAC layer the opportunity to adapt its transmission strategy to the current unstable wireless connections in order to improve transmission efficiency. We propose an adaptive frame length aggregation scheme in VDTN in order to improve transmission efficiency and increase data throughput. In our scheme, suitable aggregation frame lengths are calculated according to the current wireless status, and are applied in the MAC layer at the initiation of the data transmissions. We analyze and apply our adaptive frame length aggregation strategy to the current frame aggregation schemes in 802.11. Our simulations demonstrate improved results in data throughput, retransmissions, and transmission efficiency, compared to nonadaptive aggregation schemes.
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页数：6
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