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Title:
exploiting constructive interference for scalable flooding in wireless networks
Author: Wang Yin ; He Yuan ; Mao Xufei ; Liu Yunhao ; Huang Zhiyu ; Li Xiangyang
Source: Proceedings - IEEE INFOCOM
Conference Name: IEEE Conference on Computer Communications, INFOCOM 2012
Conference Date: March 25, 2012 - March 30, 2012
Issued Date: 2012
Conference Place: Orlando, FL, United states
Keyword: Topology ; Wireless networks
Indexed Type: EI
ISSN: 0743-166X
ISBN: 9781467307758
Department: (1) MOE Key Lab. for Information System Security School of Software Tsinghua University China; (2) Department of Computer Science and Engineering HKUST Hong Kong; (3) Institute of Software Chinese Academy of Sciences China; (4) Department of Computer Science Illinois Institute of Technology United States
Abstract: Exploiting constructive interference in wireless networks is an emerging trend for it allows multiple senders transmit an identical packet simultaneously. Constructive interference based flooding can realize millisecond network flooding latency and sub-microsecond time synchronization accuracy, require no network state information and adapt to topology changes. However, constructive interference has a precondition to function, namely, the maximum temporal displacement Δ of concurrent packet transmissions should be less than a given hardware constrained threshold. We disclose that constructive interference based flooding suffers the scalability problem. The packet reception performances of intermediate nodes degrade significantly as the density or the size of the network increases. We theoretically show that constructive interference based flooding has a packet reception ratio (PRR) lower bound (95:4%) in the grid topology. For a general topology, we propose the spine constructive interference based flooding (SCIF) protocol. With little overhead, SCIF floods the entire network much more reliably than Glossy [1] in high density or large-scale networks. Extensive simulations illustrate that the PRR of SCIF keeps stable above 96% as the network size grows from 400 to 4000 while the PRR of Glossy is only 26% when the size of the network is 4000. We also propose to use waveform analysis to explain the root cause of constructive interference, which is mainly examined in simulations and experiments. We further derive the closed-form PRR formula and define interference gain factor (IGF) to quantitatively measure constructive interference. © 2012 IEEE.
English Abstract: Exploiting constructive interference in wireless networks is an emerging trend for it allows multiple senders transmit an identical packet simultaneously. Constructive interference based flooding can realize millisecond network flooding latency and sub-microsecond time synchronization accuracy, require no network state information and adapt to topology changes. However, constructive interference has a precondition to function, namely, the maximum temporal displacement Δ of concurrent packet transmissions should be less than a given hardware constrained threshold. We disclose that constructive interference based flooding suffers the scalability problem. The packet reception performances of intermediate nodes degrade significantly as the density or the size of the network increases. We theoretically show that constructive interference based flooding has a packet reception ratio (PRR) lower bound (95:4%) in the grid topology. For a general topology, we propose the spine constructive interference based flooding (SCIF) protocol. With little overhead, SCIF floods the entire network much more reliably than Glossy [1] in high density or large-scale networks. Extensive simulations illustrate that the PRR of SCIF keeps stable above 96% as the network size grows from 400 to 4000 while the PRR of Glossy is only 26% when the size of the network is 4000. We also propose to use waveform analysis to explain the root cause of constructive interference, which is mainly examined in simulations and experiments. We further derive the closed-form PRR formula and define interference gain factor (IGF) to quantitatively measure constructive interference. © 2012 IEEE.
Language: 英语
Content Type: 会议论文
URI: http://ir.iscas.ac.cn/handle/311060/15720
Appears in Collections:软件所图书馆_会议论文

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Recommended Citation:
Wang Yin,He Yuan,Mao Xufei,et al. exploiting constructive interference for scalable flooding in wireless networks[C]. 见:IEEE Conference on Computer Communications, INFOCOM 2012. Orlando, FL, United states. March 25, 2012 - March 30, 2012.
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