Reliable transmission of video over Ad-hoc networks using automatic repeat request and multi-path transport

S. Mao, S. Lin, Shivendra Panwar, Yao Wang

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

The increase in the bandwidth of the wireless channels and the computing power of the mobile devices makes it possible to offer video service for wireless networks in the near future. In an ad-hoc network, strong error protection is required because of the lack of fixed infrastructure. On the other hand, the mesh structure of an ad-hoc network implies that there may be multiple paths existing between a source and destination, which can be used to enhance video transmissions. In this paper we propose a simple but robust scheme for reliable transmission of video in bandwidth limited ad-hoc networks. In our scheme, a video stream is layer coded. The Base Layer (BL) packets and the Enhancement Layer (EL) packets are transmitted separately on two disjoint paths using Multi-path Transport (MPT). BL packets are protected by Automatic Repeat Request (ARQ), and a lost BL packet is retransmitted through the path where EL packets are transmitted. An EL packet has lower priority than a retransmitted BL packet and may be dropped at the sender when congestion occurs. Simulation results show that this scheme can guarantee a graceful video quality in adverse channel conditions. It is effective for video transmission over the high loss environment found in ad-hoc networks.

Original languageEnglish (US)
Title of host publicationIEEE Vehicular Technology Conference
Pages615-619
Number of pages5
Volume2
Edition54ND
StatePublished - 2001
EventIEEE 54th Vehicular Technology Conference (VTC FALL 2001) - Atlantic City, NJ, United States
Duration: Oct 7 2001Oct 11 2001

Other

OtherIEEE 54th Vehicular Technology Conference (VTC FALL 2001)
CountryUnited States
CityAtlantic City, NJ
Period10/7/0110/11/01

Fingerprint

Ad hoc networks
Bandwidth
Mobile devices
Wireless networks

Keywords

  • Ad-hoc network
  • Automatic repeat request
  • Layered video coding
  • Multi-path transport

ASJC Scopus subject areas

  • Electrical and Electronic Engineering

Cite this

Mao, S., Lin, S., Panwar, S., & Wang, Y. (2001). Reliable transmission of video over Ad-hoc networks using automatic repeat request and multi-path transport. In IEEE Vehicular Technology Conference (54ND ed., Vol. 2, pp. 615-619)

Reliable transmission of video over Ad-hoc networks using automatic repeat request and multi-path transport. / Mao, S.; Lin, S.; Panwar, Shivendra; Wang, Yao.

IEEE Vehicular Technology Conference. Vol. 2 54ND. ed. 2001. p. 615-619.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Mao, S, Lin, S, Panwar, S & Wang, Y 2001, Reliable transmission of video over Ad-hoc networks using automatic repeat request and multi-path transport. in IEEE Vehicular Technology Conference. 54ND edn, vol. 2, pp. 615-619, IEEE 54th Vehicular Technology Conference (VTC FALL 2001), Atlantic City, NJ, United States, 10/7/01.
Mao S, Lin S, Panwar S, Wang Y. Reliable transmission of video over Ad-hoc networks using automatic repeat request and multi-path transport. In IEEE Vehicular Technology Conference. 54ND ed. Vol. 2. 2001. p. 615-619
Mao, S. ; Lin, S. ; Panwar, Shivendra ; Wang, Yao. / Reliable transmission of video over Ad-hoc networks using automatic repeat request and multi-path transport. IEEE Vehicular Technology Conference. Vol. 2 54ND. ed. 2001. pp. 615-619
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