Robust Live Unicast Video Streaming with Rateless Codes

Ahmad, Shakeel; Hamzaoui, Raouf; Al-Akaidi, Marwan

Robust Live Unicast Video Streaming with Rateless Codes

Dateien

Ahmad_opus-118442.pdf(514.13 KB)

Datum

2007

Autor:innen

Ahmad, Shakeel

Hamzaoui, Raouf

Al-Akaidi, Marwan

Publikationstyp

Beitrag zu einem Konferenzband

Erschienen in

Packet Video 2007. - IEEE, 2007. - S. 78-84. - ISBN 978-1-4244-0981-5

Zusammenfassung

We consider live unicast video streaming over a packet erasure channel. To protect the transmitted data, previous solutions use forward error correction (FEC), where the channel code rate is fixed in advance according to an estimation of the packet loss rate. However, these solutions are inefficient under dynamic and unpredictable channel conditions because of the mismatch between the estimated packet loss rate and the actual one.We introduce a new approach based on rateless codes and receiver feedback. For every source block, the sender keeps on transmitting the encoded symbols until it receives an acknowledgment from the receiver indicating that the block was decoded successfully. Within this framework, we provide an efficient algorithm to minimize bandwidth usage while ensuring successful decoding subject to an upper bound on the packet loss rate. Experimental results showed that compared to traditional fixed-rate FEC, our scheme provides significant bandwidth savings for the same playback quality.

Fachgebiet (DDC)

004 Informatik

Konferenz

Packet Video 2007, 12. Nov. 2007 - 13. Nov. 2007, Lausanne, Switzerland

Zitieren

ISO 690

AHMAD, Shakeel, Raouf HAMZAOUI, Marwan AL-AKAIDI, 2007. Robust Live Unicast Video Streaming with Rateless Codes. Packet Video 2007. Lausanne, Switzerland, 12. Nov. 2007 - 13. Nov. 2007. In: Packet Video 2007. IEEE, pp. 78-84. ISBN 978-1-4244-0981-5. Available under: doi: 10.1109/PACKET.2007.4397028

BibTex

@inproceedings{Ahmad2007-11Robus-2969,
  year={2007},
  doi={10.1109/PACKET.2007.4397028},
  title={Robust Live Unicast Video Streaming with Rateless Codes},
  isbn={978-1-4244-0981-5},
  publisher={IEEE},
  booktitle={Packet Video 2007},
  pages={78--84},
  author={Ahmad, Shakeel and Hamzaoui, Raouf and Al-Akaidi, Marwan}
}

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Universitätsbibliographie

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