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A Cross Layer Video Transmission Scheme Combining Geographic Routing and Short-Length Luby Transform Codes.

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Title: A Cross Layer Video Transmission Scheme Combining Geographic Routing and Short-Length Luby Transform Codes.
Authors: Duan, Pengrui1 910158771@qq.com, Liu, Liang1 liangliu82@gmail.com, Zhang, Zhao1 zhangzhao@bupt.edu.cn
Source: International Journal of Distributed Sensor Networks. 8/13/2015, Vol. 2015, p1-10. 10p.
Subjects: Scheme programming language, Routing (Computer network management), Luby transform codes, Wireless sensor networks, Bit error rate, Encoding
Abstract: Video transmission is a real challenge for wireless multihop networks with high packet loss rate. This paper proposes a cross layer video transmission scheme which combines the geographic routing in network layer and the short-length Luby transform (LT) codes in transport layer. We first analyze the effect of bit error rate (BER) on the retransmission load and the effect of payload length and LT symbols size on network efficiency. Then, based on the product of the link quality and the distance from destination, we design a routing metric for geographic routing. We further propose a cross layer transmission scheme, which adaptively adjusts payload length to encapsulate short-length LT encoded symbols and selects routes based on the new routing metric. The simulation results show that our cross layer scheme can decrease the decoding overhead and the packet loss rate, while improving the video transmission quality and the network efficiency. [ABSTRACT FROM AUTHOR]
Copyright of International Journal of Distributed Sensor Networks is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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  Data: A Cross Layer Video Transmission Scheme Combining Geographic Routing and Short-Length Luby Transform Codes.
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  Data: <searchLink fieldCode="AR" term="%22Duan%2C+Pengrui%22">Duan, Pengrui</searchLink><relatesTo>1</relatesTo><i> 910158771@qq.com</i><br /><searchLink fieldCode="AR" term="%22Liu%2C+Liang%22">Liu, Liang</searchLink><relatesTo>1</relatesTo><i> liangliu82@gmail.com</i><br /><searchLink fieldCode="AR" term="%22Zhang%2C+Zhao%22">Zhang, Zhao</searchLink><relatesTo>1</relatesTo><i> zhangzhao@bupt.edu.cn</i>
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  Data: <searchLink fieldCode="JN" term="%22International+Journal+of+Distributed+Sensor+Networks%22">International Journal of Distributed Sensor Networks</searchLink>. 8/13/2015, Vol. 2015, p1-10. 10p.
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  Data: <searchLink fieldCode="DE" term="%22Scheme+programming+language%22">Scheme programming language</searchLink><br /><searchLink fieldCode="DE" term="%22Routing+%28Computer+network+management%29%22">Routing (Computer network management)</searchLink><br /><searchLink fieldCode="DE" term="%22Luby+transform+codes%22">Luby transform codes</searchLink><br /><searchLink fieldCode="DE" term="%22Wireless+sensor+networks%22">Wireless sensor networks</searchLink><br /><searchLink fieldCode="DE" term="%22Bit+error+rate%22">Bit error rate</searchLink><br /><searchLink fieldCode="DE" term="%22Encoding%22">Encoding</searchLink>
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  Label: Abstract
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  Data: Video transmission is a real challenge for wireless multihop networks with high packet loss rate. This paper proposes a cross layer video transmission scheme which combines the geographic routing in network layer and the short-length Luby transform (LT) codes in transport layer. We first analyze the effect of bit error rate (BER) on the retransmission load and the effect of payload length and LT symbols size on network efficiency. Then, based on the product of the link quality and the distance from destination, we design a routing metric for geographic routing. We further propose a cross layer transmission scheme, which adaptively adjusts payload length to encapsulate short-length LT encoded symbols and selects routes based on the new routing metric. The simulation results show that our cross layer scheme can decrease the decoding overhead and the packet loss rate, while improving the video transmission quality and the network efficiency. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of International Journal of Distributed Sensor Networks is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1155/2015/140212
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      – Code: eng
        Text: English
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        PageCount: 10
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      – SubjectFull: Scheme programming language
        Type: general
      – SubjectFull: Routing (Computer network management)
        Type: general
      – SubjectFull: Luby transform codes
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      – SubjectFull: Wireless sensor networks
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      – SubjectFull: Bit error rate
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      – SubjectFull: Encoding
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            – D: 13
              M: 08
              Text: 8/13/2015
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              Y: 2015
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