A multi-burst transmission strategy for streaming over blockage channels with long feedback delay

Huan Yao*, Yuval Kochman, Gregory W. Wornell

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

12 Scopus citations

Abstract

We consider streaming over a blockage channel with long feedback delay, as arises in, e.g., real-time satellite communication from a comm-on-the-move (COTM) terminal. For this problem, we introduce a definition of delay that captures the real-time nature of the problem, which we show grows at least as fast as O(log(k)) for memoryless channels, where k corresponds to the number of packets in the transmission. Moreover, a tradeoff exists between this delay and a natural notion of throughput we introduce to capture the bandwidth requirements of the communication. We develop and analyze an efficient "multi-burst" transmission (MBT) protocol for achieving good delay-throughput tradeoffs within this framework, which we show to be robust and near-optimal within the class of retransmission protocols with fixed schedules. The MBT protocol can be augmented with coding for additional performance gains. Simulations validate the new protocols, including when peak bandwidth and delay constraints are imposed.

Original languageAmerican English
Article number6081356
Pages (from-to)2033-2043
Number of pages11
JournalIEEE Journal on Selected Areas in Communications
Volume29
Issue number10
DOIs
StatePublished - Dec 2011
Externally publishedYes

Bibliographical note

Funding Information:
Manuscript received 15 November 2010; revised 9 May 2011. This work was sponsored by the Department of Defense under Air Force Contract FA8721-05-C-0002. Opinions, interpretations, conclusions, and recommendations are those of the authors and are not necessarily endorsed by the United States Government. This work was presented in part at the Allerton Conference on Communication, Control, and Computing, Monticello, IL, Sep. 2010, and at IEEE Military Communications Conference (MILCOM), San Jose, CA, Nov. 2010.

Keywords

  • ARQ
  • Communications-onthe-move (COTM)
  • Incremental redundancy
  • Packet-loss channel
  • Real-time communication
  • Scheduling

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