NDLI: Maximum End-to-End Throughput of Chain-Topology Wireless Multi-Hop Networks

Content Provider	IEEE Xplore Digital Library
Author	Jae-Yong Yoo JongWon Kim
Copyright Year	2007
Description	Author affiliation: Networked Media Lab., Gwangju Inst. of Sci. & Technol. (Jae-Yong Yoo)
Abstract	Understanding the maximum end-to-end throughput available with any given wireless multi-hop network is an important, but very challenging task. It may be approximated up to certain degree for several simplified topologies such as chain, cross, and others. Typically, in case of chain-topology wireless multi-hop networks employing IEEE 802.11 DCF (distributed coordination function), the maximum throughput can be derived by calculating 1-hop average throughput considering the so-called bottleneck region. However, this approximation method that utilizes only the 1-hop average throughput is limited in terms of accuracy. Thus, in this paper, after verifying the limitation of 1-hop average approximation for the throughput calculation of chain-topology multi-hop wireless networks, a refined calculation scheme is proposed by additionally considering the deviation of throughput. Especially, we focus on the fact that the throughput deviation could lead to collisions, and the throughput deviation happens due to the summation of uniformly distributed backoff times of IEEE 802.11 DCF. With several ns-2-based network simulations, we verify the impact of selected temporal variations to the throughput calculation and thus validate the improved accuracy of proposed calculation scheme.
Starting Page	4279
Ending Page	4283
File Size	190094
Page Count	5
File Format	PDF
ISBN	1424406587
ISSN	15253511
DOI	10.1109/WCNC.2007.781
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2007-03-11
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Throughput Spread spectrum communication Laboratories Network topology Wireless networks Wireless mesh networks Portals Wireless sensor networks Interference Communications Society
Content Type	Text
Resource Type	Article

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